diff --git a/parse_test.go b/parse_test.go
index c11362f..f909d0f 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -726,8 +726,9 @@ func TestInsertComments(t *testing.T) {
 	}
 }
 
-func TestEmptySpecialComments(t *testing.T) {
-	for _, input := range []string{"select /*!*/ 1", "select /*!1234*/ 1"} {
+func TestFloatColumnPrecision(t *testing.T) {
+	for _, typ := range []string{"float", "double", "real"} {
+		input := "create table t (a " + typ + "(24) default current_timestamp)"
 		queries, statements, err := ParseMultiple(NewStringTokenizer(input))
 		if err != nil {
 			t.Errorf("ParseMultiple(%q): %v", input, err)
@@ -737,8 +738,48 @@ func TestEmptySpecialComments(t *testing.T) {
 			t.Errorf("ParseMultiple(%q): unexpected result %v, %v", input, queries, statements)
 			continue
 		}
-		if got := String(statements[0]); got != "select 1" {
-			t.Errorf("ParseMultiple(%q) = %q, want select 1", input, got)
+		ddl := statements[0].(*DDL)
+		if ddl.TableSpec == nil || len(ddl.TableSpec.Columns) != 1 {
+			t.Errorf("ParseMultiple(%q): missing column specification", input)
+			continue
+		}
+		column := ddl.TableSpec.Columns[0].Type
+		if column.Type != typ || column.Length == nil || string(column.Length.Val) != "24" || column.Scale != nil {
+			t.Errorf("ParseMultiple(%q): unexpected column type %+v", input, column)
+		}
+		foundDefault := false
+		Walk(func(node SQLNode) (bool, error) {
+			if value, ok := node.(*SQLVal); ok && value.Type == ValArg && bytes.EqualFold(value.Val, []byte("current_timestamp")) {
+				foundDefault = true
+			}
+			return true, nil
+		}, column.Default)
+		if !foundDefault {
+			t.Errorf("ParseMultiple(%q): missing stateful default", input)
+		}
+	}
+}
+
+func TestFloatColumnPrecisionSemicolonDefault(t *testing.T) {
+	for _, typ := range []string{"float", "double", "real"} {
+		input := "create table t (a " + typ + "(24) default 'a;b')"
+		queries, statements, err := ParseMultiple(NewStringTokenizer(input))
+		if err != nil {
+			t.Errorf("ParseMultiple(%q): %v", input, err)
+			continue
+		}
+		if len(queries) != 1 || queries[0] != input || len(statements) != 1 {
+			t.Errorf("ParseMultiple(%q): unexpected result %v, %v", input, queries, statements)
+			continue
+		}
+		ddl := statements[0].(*DDL)
+		if ddl.TableSpec == nil || len(ddl.TableSpec.Columns) != 1 {
+			t.Errorf("ParseMultiple(%q): missing column specification", input)
+			continue
+		}
+		value := ddl.TableSpec.Columns[0].Type.Default
+		if value == nil || value.Type != StrVal || string(value.Val) != "a;b" {
+			t.Errorf("ParseMultiple(%q): unexpected default %v", input, value)
 		}
 	}
 }
@@ -846,6 +887,23 @@ func TestKeywords(t *testing.T) {
 	}
 }
 
+func TestEmptySpecialComments(t *testing.T) {
+	for _, input := range []string{"select /*!*/ 1", "select /*!1234*/ 1"} {
+		queries, statements, err := ParseMultiple(NewStringTokenizer(input))
+		if err != nil {
+			t.Errorf("ParseMultiple(%q): %v", input, err)
+			continue
+		}
+		if len(queries) != 1 || queries[0] != input || len(statements) != 1 {
+			t.Errorf("ParseMultiple(%q): unexpected result %v, %v", input, queries, statements)
+			continue
+		}
+		if got := String(statements[0]); got != "select 1" {
+			t.Errorf("ParseMultiple(%q) = %q, want select 1", input, got)
+		}
+	}
+}
+
 func TestConvert(t *testing.T) {
 	validSQL := []struct {
 		input  string
diff --git a/sql.go b/sql.go
index a93de1f..3654589 100644
--- a/sql.go
+++ b/sql.go
@@ -402,440 +402,405 @@ var yyExca = [...]int{
 	5, 17,
 	-2, 4,
 	-1, 121,
-	1, 158,
-	5, 158,
-	11, 158,
-	12, 158,
-	13, 158,
-	14, 158,
-	16, 158,
-	27, 158,
-	30, 158,
-	31, 158,
-	33, 158,
-	35, 158,
-	36, 158,
-	37, 158,
-	38, 158,
-	40, 158,
-	41, 158,
-	157, 158,
-	-2, 171,
+	1, 159,
+	5, 159,
+	11, 159,
+	12, 159,
+	13, 159,
+	14, 159,
+	16, 159,
+	27, 159,
+	30, 159,
+	31, 159,
+	33, 159,
+	35, 159,
+	36, 159,
+	37, 159,
+	38, 159,
+	40, 159,
+	41, 159,
+	157, 159,
+	-2, 172,
 	-1, 193,
-	94, 359,
-	-2, 355,
-	-1, 194,
 	94, 360,
 	-2, 356,
+	-1, 194,
+	94, 361,
+	-2, 357,
 	-1, 203,
 	5, 17,
-	-2, 328,
+	-2, 329,
 	-1, 418,
-	94, 177,
-	-2, 151,
+	94, 178,
+	-2, 152,
 	-1, 538,
-	94, 362,
-	-2, 358,
+	94, 363,
+	-2, 359,
 	-1, 556,
 	5, 18,
-	-2, 329,
+	-2, 330,
 	-1, 567,
 	5, 18,
-	-2, 229,
+	-2, 230,
 	-1, 629,
 	5, 17,
-	-2, 331,
-	-1, 733,
-	5, 18,
 	-2, 332,
+	-1, 734,
+	5, 18,
+	-2, 333,
 }
 
 const yyPrivate = 57344
 
-const yyLast = 4225
+const yyLast = 4350
 
 var yyAct = [...]int{
 
-	194, 396, 641, 704, 477, 447, 419, 147, 533, 416,
-	415, 605, 352, 452, 420, 446, 106, 544, 32, 49,
-	414, 507, 443, 99, 99, 350, 273, 123, 562, 218,
-	179, 127, 159, 458, 483, 196, 181, 99, 145, 99,
-	209, 118, 31, 49, 473, 730, 448, 95, 38, 47,
-	94, 100, 128, 354, 413, 143, 117, 582, 646, 647,
-	648, 465, 219, 3, 115, 40, 649, 535, 116, 645,
-	133, 121, 722, 129, 102, 720, 104, 105, 700, 25,
-	27, 15, 16, 485, 484, 93, 134, 99, 484, 103,
-	137, 37, 99, 657, 132, 87, 22, 88, 271, 370,
-	460, 266, 265, 466, 139, 131, 86, 691, 136, 688,
-	660, 611, 29, 559, 135, 99, 553, 576, 495, 141,
-	150, 197, 395, 99, 99, 89, 99, 144, 198, 355,
-	91, 357, 90, 552, 99, 515, 685, 99, 264, 99,
-	99, 545, 205, 617, 357, 99, 545, 142, 512, 513,
-	514, 511, 149, 226, 580, 121, 356, 355, 275, 701,
-	699, 263, 29, 650, 267, 360, 269, 270, 18, 19,
-	20, 222, 357, 510, 199, 225, 203, 459, 373, 374,
-	375, 376, 377, 370, 21, 23, 703, 387, 24, 500,
-	502, 503, 462, 613, 702, 397, 501, 138, 402, 463,
-	585, 584, 261, 262, 583, 49, 745, 412, 99, 99,
-	99, 99, 643, 349, 425, 411, 577, 99, 597, 598,
-	599, 99, 735, 736, 99, 28, 439, 440, 49, 49,
-	356, 355, 129, 409, 410, 426, 148, 129, 128, 421,
-	121, 121, 121, 121, 696, 695, 357, 490, 148, 417,
-	429, 741, 431, 121, 417, 740, 437, 651, 451, 129,
-	453, 427, 99, 99, 428, 479, 430, 423, 356, 355,
-	539, 442, 99, 99, 554, 371, 372, 373, 374, 375,
-	376, 377, 370, 441, 357, 654, 653, 558, 148, 480,
-	481, 539, 148, 207, 148, 228, 227, 444, 207, 487,
-	488, 486, 475, 476, 245, 683, 491, 250, 251, 252,
-	253, 254, 255, 25, 256, 257, 258, 259, 260, 246,
-	247, 248, 249, 235, 236, 359, 551, 237, 238, 239,
-	240, 241, 242, 243, 244, 33, 490, 25, 652, 468,
-	469, 206, 356, 355, 490, 570, 29, 586, 358, 687,
-	470, 471, 472, 49, 207, 551, 407, 467, 357, 628,
-	587, 490, 493, 478, 25, 356, 355, 29, 497, 498,
-	29, 504, 505, 636, 670, 573, 474, 679, 680, 681,
-	678, 357, 682, 129, 42, 201, 202, 672, 12, 675,
-	677, 671, 566, 669, 49, 509, 673, 29, 434, 508,
-	563, 564, 435, 496, 540, 433, 674, 676, 432, 538,
-	579, 397, 541, 739, 546, 436, 214, 738, 574, 482,
-	197, 268, 537, 110, 532, 217, 451, 146, 112, 107,
-	555, 556, 557, 153, 129, 397, 711, 108, 33, 542,
-	710, 659, 536, 550, 35, 444, 272, 49, 140, 567,
-	560, 417, 571, 125, 39, 101, 30, 569, 1, 565,
-	92, 441, 568, 211, 214, 640, 212, 455, 213, 215,
-	563, 564, 547, 548, 549, 211, 214, 451, 212, 445,
-	213, 215, 126, 41, 49, 454, 99, 698, 644, 461,
-	581, 575, 99, 128, 464, 49, 578, 590, 231, 232,
-	230, 234, 233, 229, 594, 668, 216, 221, 492, 538,
-	44, 36, 591, 589, 129, 588, 592, 129, 693, 424,
-	408, 593, 596, 195, 121, 129, 451, 709, 658, 615,
-	401, 543, 157, 600, 417, 158, 499, 168, 165, 167,
-	166, 608, 536, 155, 509, 14, 200, 361, 508, 156,
-	151, 120, 612, 113, 619, 620, 621, 622, 618, 49,
-	49, 616, 210, 208, 561, 624, 119, 538, 631, 627,
-	489, 49, 623, 49, 49, 729, 635, 34, 639, 634,
-	626, 124, 129, 11, 451, 637, 638, 99, 99, 632,
-	633, 421, 10, 17, 389, 390, 391, 392, 393, 417,
-	625, 451, 609, 451, 642, 9, 8, 7, 6, 5,
-	614, 4, 49, 661, 655, 656, 109, 665, 13, 666,
-	629, 2, 0, 0, 0, 180, 0, 0, 0, 0,
-	686, 0, 0, 684, 0, 689, 0, 49, 0, 49,
-	0, 0, 451, 0, 571, 0, 694, 0, 96, 96,
-	0, 692, 0, 0, 0, 0, 49, 49, 667, 0,
-	707, 49, 96, 0, 96, 421, 0, 129, 708, 451,
-	0, 0, 0, 0, 714, 0, 715, 718, 0, 0,
-	0, 0, 0, 0, 0, 0, 451, 451, 129, 49,
-	0, 451, 49, 690, 0, 0, 0, 49, 733, 737,
-	731, 0, 706, 706, 0, 417, 0, 667, 0, 0,
-	0, 0, 96, 743, 0, 0, 0, 96, 0, 451,
-	0, 0, 734, 742, 397, 0, 0, 642, 0, 0,
-	0, 0, 0, 0, 0, 732, 49, 744, 0, 0,
-	96, 0, 0, 0, 0, 746, 697, 0, 96, 224,
-	0, 96, 0, 0, 0, 70, 0, 0, 0, 96,
-	0, 0, 96, 0, 96, 96, 129, 62, 0, 0,
-	274, 353, 0, 716, 0, 717, 0, 719, 0, 721,
-	48, 723, 724, 725, 726, 727, 728, 182, 26, 0,
+	194, 396, 641, 106, 477, 447, 705, 147, 533, 416,
+	446, 415, 352, 605, 419, 420, 443, 414, 32, 49,
+	544, 123, 350, 99, 99, 507, 273, 218, 562, 458,
+	179, 452, 535, 196, 38, 145, 159, 99, 483, 99,
+	127, 473, 117, 49, 94, 100, 31, 95, 209, 47,
+	181, 40, 128, 731, 413, 219, 3, 118, 115, 354,
+	102, 143, 104, 105, 582, 465, 116, 645, 646, 647,
+	648, 133, 723, 129, 721, 121, 649, 484, 485, 134,
+	460, 701, 103, 484, 137, 93, 37, 99, 658, 87,
+	132, 88, 99, 271, 139, 448, 131, 576, 266, 265,
+	466, 86, 373, 374, 375, 376, 377, 370, 135, 692,
+	689, 370, 661, 141, 611, 99, 559, 553, 355, 495,
+	150, 197, 395, 99, 99, 89, 99, 144, 198, 136,
+	91, 357, 90, 357, 99, 515, 205, 99, 552, 99,
+	99, 686, 545, 545, 617, 99, 264, 226, 512, 513,
+	514, 511, 149, 142, 580, 263, 225, 459, 267, 121,
+	269, 270, 702, 700, 704, 360, 29, 199, 462, 203,
+	703, 222, 746, 650, 585, 463, 275, 510, 349, 369,
+	368, 378, 379, 371, 372, 373, 374, 375, 376, 377,
+	370, 387, 597, 598, 599, 397, 356, 355, 402, 359,
+	584, 583, 411, 261, 262, 49, 643, 412, 99, 99,
+	99, 99, 357, 577, 425, 736, 737, 99, 138, 697,
+	696, 99, 358, 539, 99, 148, 439, 440, 49, 49,
+	742, 554, 129, 490, 148, 426, 741, 129, 128, 356,
+	355, 33, 613, 206, 121, 121, 121, 121, 651, 417,
+	428, 207, 430, 421, 417, 357, 207, 121, 451, 129,
+	423, 427, 99, 99, 437, 479, 429, 490, 431, 453,
+	490, 442, 99, 99, 655, 654, 441, 653, 652, 356,
+	355, 558, 148, 480, 481, 371, 372, 373, 374, 375,
+	376, 377, 370, 487, 488, 357, 539, 148, 570, 475,
+	476, 207, 148, 245, 551, 486, 250, 251, 252, 253,
+	254, 255, 407, 256, 257, 258, 259, 260, 246, 247,
+	248, 249, 235, 236, 228, 227, 237, 238, 239, 240,
+	241, 242, 243, 244, 356, 355, 468, 469, 444, 467,
+	491, 688, 478, 29, 409, 410, 636, 470, 471, 472,
+	357, 25, 25, 49, 500, 502, 503, 573, 563, 564,
+	25, 501, 493, 474, 42, 566, 586, 551, 497, 498,
+	490, 504, 505, 628, 25, 27, 15, 16, 587, 356,
+	355, 201, 202, 129, 29, 29, 434, 433, 12, 496,
+	435, 22, 432, 29, 49, 357, 579, 211, 214, 509,
+	212, 740, 213, 215, 540, 436, 214, 29, 739, 574,
+	482, 397, 541, 508, 268, 546, 217, 146, 112, 107,
+	197, 712, 537, 110, 532, 108, 451, 538, 33, 711,
+	555, 556, 557, 153, 129, 397, 542, 547, 548, 549,
+	660, 550, 444, 272, 560, 140, 125, 49, 35, 567,
+	39, 417, 571, 101, 441, 30, 1, 569, 92, 565,
+	640, 455, 568, 18, 19, 20, 368, 378, 379, 371,
+	372, 373, 374, 375, 376, 377, 370, 451, 445, 21,
+	23, 126, 41, 24, 49, 454, 99, 575, 699, 644,
+	461, 536, 99, 128, 581, 49, 464, 578, 590, 231,
+	232, 230, 234, 233, 594, 229, 591, 589, 669, 216,
+	221, 492, 44, 592, 129, 36, 694, 129, 424, 593,
+	28, 408, 596, 195, 588, 129, 451, 538, 121, 710,
+	659, 615, 401, 543, 417, 157, 158, 600, 499, 211,
+	214, 608, 212, 168, 213, 215, 563, 564, 509, 165,
+	167, 166, 612, 155, 619, 620, 621, 622, 618, 49,
+	49, 14, 508, 200, 616, 624, 361, 609, 631, 623,
+	627, 49, 637, 49, 49, 614, 635, 156, 639, 634,
+	626, 638, 129, 151, 451, 538, 120, 99, 99, 632,
+	633, 536, 113, 210, 389, 390, 391, 392, 393, 417,
+	208, 451, 561, 451, 642, 421, 119, 489, 656, 657,
+	730, 34, 49, 629, 124, 662, 11, 666, 10, 667,
+	17, 9, 8, 7, 180, 6, 5, 4, 109, 13,
+	687, 2, 0, 685, 0, 0, 0, 49, 693, 49,
+	0, 0, 451, 690, 571, 0, 695, 96, 96, 625,
+	0, 0, 0, 0, 0, 0, 0, 49, 49, 0,
+	0, 96, 49, 96, 708, 0, 0, 129, 0, 451,
+	709, 0, 0, 0, 0, 715, 0, 716, 719, 421,
+	0, 0, 0, 0, 0, 0, 691, 451, 451, 129,
+	49, 0, 451, 49, 0, 0, 0, 0, 49, 734,
+	738, 732, 0, 0, 0, 0, 417, 668, 0, 0,
+	0, 96, 0, 0, 744, 0, 96, 0, 0, 0,
+	451, 0, 0, 735, 743, 397, 0, 0, 642, 0,
+	0, 0, 0, 0, 0, 0, 0, 49, 745, 96,
+	0, 0, 0, 698, 0, 0, 747, 96, 224, 0,
+	96, 0, 707, 707, 0, 0, 0, 668, 96, 0,
+	0, 96, 0, 96, 96, 0, 0, 129, 0, 274,
+	353, 717, 0, 718, 0, 720, 0, 722, 684, 724,
+	725, 726, 727, 728, 729, 733, 0, 0, 182, 26,
 	0, 0, 0, 0, 0, 506, 0, 0, 516, 517,
 	518, 519, 520, 521, 522, 523, 524, 525, 526, 527,
-	528, 529, 530, 531, 26, 0, 0, 0, 0, 0,
-	0, 0, 111, 0, 0, 0, 122, 224, 0, 0,
-	0, 0, 224, 96, 96, 96, 96, 0, 45, 43,
-	0, 0, 438, 0, 46, 71, 96, 0, 59, 224,
-	0, 54, 0, 0, 79, 74, 66, 60, 61, 50,
-	0, 72, 57, 58, 56, 69, 76, 77, 55, 84,
-	53, 83, 52, 68, 75, 80, 67, 64, 51, 78,
-	65, 63, 0, 73, 81, 85, 0, 96, 96, 0,
-	0, 0, 0, 0, 82, 0, 0, 96, 96, 26,
-	0, 204, 0, 0, 0, 0, 662, 0, 0, 0,
-	220, 0, 0, 0, 0, 369, 368, 378, 379, 371,
+	528, 529, 530, 531, 0, 26, 0, 0, 0, 0,
+	0, 0, 0, 111, 0, 0, 224, 122, 0, 0,
+	0, 224, 96, 96, 96, 96, 0, 0, 0, 0,
+	0, 438, 0, 0, 0, 96, 0, 671, 224, 0,
+	680, 681, 682, 679, 0, 683, 0, 0, 0, 0,
+	673, 0, 676, 678, 672, 0, 670, 0, 0, 674,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 675,
+	677, 0, 0, 0, 0, 0, 96, 96, 0, 0,
+	0, 0, 0, 0, 0, 0, 96, 96, 0, 0,
+	26, 0, 204, 0, 0, 0, 663, 0, 0, 0,
+	0, 220, 0, 0, 0, 369, 368, 378, 379, 371,
 	372, 373, 374, 375, 376, 377, 370, 369, 368, 378,
 	379, 371, 372, 373, 374, 375, 376, 377, 370, 0,
-	0, 0, 388, 0, 0, 0, 601, 602, 603, 604,
+	0, 0, 0, 388, 0, 0, 601, 602, 603, 604,
 	606, 378, 379, 371, 372, 373, 374, 375, 376, 377,
-	370, 70, 0, 0, 494, 0, 0, 394, 0, 0,
-	398, 399, 400, 62, 403, 0, 0, 0, 404, 405,
-	406, 0, 0, 0, 0, 0, 48, 0, 130, 0,
-	422, 0, 26, 0, 0, 122, 122, 122, 122, 0,
-	0, 356, 355, 0, 0, 0, 0, 0, 220, 0,
-	0, 0, 0, 0, 0, 0, 0, 357, 0, 0,
-	353, 274, 0, 0, 0, 0, 0, 0, 0, 224,
-	353, 353, 353, 70, 0, 0, 0, 0, 0, 0,
-	663, 664, 0, 0, 0, 62, 0, 0, 0, 0,
-	0, 71, 0, 0, 59, 0, 0, 54, 48, 0,
+	370, 0, 70, 0, 0, 494, 0, 0, 394, 0,
+	0, 398, 399, 400, 62, 403, 0, 0, 0, 404,
+	405, 406, 0, 0, 0, 0, 0, 48, 0, 130,
+	0, 422, 0, 26, 0, 0, 122, 122, 122, 122,
+	0, 0, 356, 355, 0, 0, 0, 0, 0, 220,
+	0, 0, 0, 0, 0, 0, 0, 0, 357, 353,
+	274, 25, 0, 0, 0, 0, 0, 0, 224, 353,
+	353, 353, 70, 0, 0, 0, 0, 0, 0, 0,
+	664, 665, 0, 0, 62, 0, 0, 0, 0, 0,
+	0, 0, 71, 0, 29, 59, 0, 98, 54, 97,
+	0, 79, 74, 66, 60, 61, 50, 0, 72, 57,
+	58, 56, 69, 76, 77, 55, 84, 53, 83, 52,
+	68, 75, 80, 67, 64, 51, 78, 65, 63, 0,
+	73, 81, 85, 0, 0, 0, 0, 714, 0, 0,
+	0, 82, 0, 0, 0, 0, 0, 0, 0, 0,
+	96, 224, 0, 0, 0, 353, 96, 0, 0, 0,
+	274, 0, 71, 0, 0, 59, 0, 0, 54, 0,
+	0, 79, 74, 66, 60, 61, 50, 0, 72, 57,
+	58, 56, 69, 76, 77, 55, 84, 53, 83, 52,
+	68, 75, 80, 67, 64, 51, 78, 65, 63, 353,
+	73, 81, 85, 0, 0, 0, 0, 353, 0, 0,
+	0, 82, 0, 0, 0, 0, 224, 26, 274, 0,
+	0, 0, 0, 0, 0, 0, 0, 398, 0, 0,
+	0, 0, 0, 0, 70, 0, 534, 0, 154, 0,
+	0, 0, 0, 0, 0, 186, 62, 0, 0, 0,
+	0, 96, 96, 0, 0, 0, 29, 0, 0, 193,
+	170, 169, 171, 172, 173, 174, 175, 607, 0, 176,
+	177, 178, 0, 0, 0, 353, 152, 163, 0, 185,
+	0, 0, 0, 0, 0, 0, 0, 0, 369, 368,
+	378, 379, 371, 372, 373, 374, 375, 376, 377, 370,
+	160, 161, 351, 0, 0, 0, 191, 0, 162, 0,
+	164, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	122, 0, 190, 224, 71, 0, 0, 59, 0, 0,
+	54, 0, 0, 79, 74, 66, 60, 61, 50, 0,
+	72, 57, 58, 56, 69, 76, 77, 55, 84, 53,
+	83, 52, 68, 75, 80, 67, 64, 51, 78, 65,
+	63, 0, 73, 81, 85, 610, 187, 188, 189, 192,
+	183, 184, 0, 82, 0, 0, 0, 0, 0, 363,
+	0, 367, 0, 422, 0, 0, 630, 380, 381, 382,
+	383, 384, 385, 0, 364, 365, 366, 362, 386, 369,
+	368, 378, 379, 371, 372, 373, 374, 375, 376, 377,
+	370, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 340, 331, 309, 342, 290, 301, 347, 302, 303,
+	325, 282, 317, 70, 0, 293, 278, 299, 279, 291,
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+	174, 175, 0, 0, 176, 177, 178, 0, 0, 0,
+	0, 152, 163, 0, 185, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 160, 161, 0, 0, 0, 0, 191, 0,
-	162, 0, 164, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 190, 0, 71, 0, 0, 59,
-	0, 0, 54, 0, 0, 79, 74, 66, 60, 61,
-	50, 0, 72, 57, 58, 56, 69, 76, 77, 55,
-	84, 53, 83, 52, 68, 75, 80, 67, 64, 51,
-	78, 65, 63, 0, 73, 81, 85, 70, 187, 188,
-	189, 192, 183, 184, 0, 82, 0, 0, 186, 62,
+	0, 0, 0, 0, 0, 160, 161, 0, 0, 0,
+	0, 191, 0, 162, 0, 164, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 190, 0, 71,
+	0, 0, 59, 0, 0, 54, 0, 0, 79, 74,
+	66, 60, 61, 50, 0, 72, 57, 58, 56, 69,
+	76, 77, 55, 84, 53, 83, 52, 68, 75, 80,
+	67, 64, 51, 78, 65, 63, 0, 73, 81, 85,
+	0, 187, 188, 189, 192, 183, 184, 70, 82, 0,
+	0, 154, 0, 0, 0, 0, 0, 0, 186, 62,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 29,
 	0, 0, 193, 170, 169, 171, 172, 173, 174, 175,
-	0, 0, 176, 177, 178, 0, 0, 0, 0, 0,
+	0, 0, 176, 177, 178, 0, 0, 0, 0, 152,
 	163, 0, 185, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 160, 161, 0, 0, 0, 0, 191,
-	0, 162, 0, 164, 0, 0, 0, 70, 0, 0,
-	0, 0, 0, 0, 0, 190, 0, 71, 0, 62,
-	59, 0, 0, 54, 0, 0, 79, 74, 66, 60,
-	61, 50, 48, 72, 57, 58, 56, 69, 76, 77,
-	55, 84, 53, 83, 52, 68, 75, 80, 67, 64,
-	51, 78, 65, 63, 0, 73, 81, 85, 0, 187,
-	188, 189, 192, 183, 184, 0, 82, 0, 0, 369,
-	368, 378, 379, 371, 372, 373, 374, 375, 376, 377,
-	370, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 71, 0, 0,
+	0, 162, 0, 164, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 190, 0, 71, 0, 0,
 	59, 0, 0, 54, 0, 0, 79, 74, 66, 60,
 	61, 50, 0, 72, 57, 58, 56, 69, 76, 77,
 	55, 84, 53, 83, 52, 68, 75, 80, 67, 64,
-	51, 78, 65, 63, 0, 73, 81, 85, 0, 70,
-	0, 0, 0, 0, 0, 0, 82, 460, 0, 0,
-	0, 62, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 48, 0, 130, 0, 0, 25,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	70, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 62, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 29, 0, 0, 98, 0, 97, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 459, 0, 0, 0, 457, 456,
-	0, 0, 59, 0, 0, 54, 0, 0, 79, 74,
-	66, 60, 61, 50, 0, 72, 57, 58, 56, 69,
-	76, 77, 55, 84, 53, 83, 52, 68, 75, 80,
-	67, 64, 51, 78, 65, 63, 0, 73, 81, 85,
-	71, 0, 0, 59, 0, 0, 54, 0, 82, 79,
-	74, 66, 60, 61, 50, 0, 72, 57, 58, 56,
-	69, 76, 77, 55, 84, 53, 83, 52, 68, 75,
-	80, 67, 64, 51, 78, 65, 63, 25, 73, 81,
-	85, 0, 0, 0, 0, 0, 0, 0, 70, 82,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	51, 78, 65, 63, 0, 73, 81, 85, 70, 187,
+	188, 189, 192, 183, 184, 0, 82, 0, 0, 186,
 	62, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	29, 0, 0, 48, 0, 130, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 70,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 62, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 29, 0, 0, 98, 0, 97, 0, 0, 0,
+	29, 0, 0, 193, 170, 169, 171, 172, 173, 174,
+	175, 0, 0, 176, 177, 178, 0, 0, 0, 0,
+	0, 163, 0, 185, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 160, 161, 0, 0, 0, 0,
+	191, 0, 162, 0, 164, 0, 0, 0, 70, 0,
+	0, 0, 0, 0, 0, 0, 190, 0, 71, 0,
+	62, 59, 0, 0, 54, 0, 0, 79, 74, 66,
+	60, 61, 50, 48, 72, 57, 58, 56, 69, 76,
+	77, 55, 84, 53, 83, 52, 68, 75, 80, 67,
+	64, 51, 78, 65, 63, 0, 73, 81, 85, 0,
+	187, 188, 189, 192, 183, 184, 0, 82, 0, 0,
+	369, 368, 378, 379, 371, 372, 373, 374, 375, 376,
+	377, 370, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 71, 0,
 	0, 59, 0, 0, 54, 0, 0, 79, 74, 66,
 	60, 61, 50, 0, 72, 57, 58, 56, 69, 76,
 	77, 55, 84, 53, 83, 52, 68, 75, 80, 67,
-	64, 51, 78, 65, 63, 0, 73, 81, 85, 71,
-	0, 0, 59, 0, 0, 54, 0, 82, 79, 74,
-	66, 60, 61, 50, 0, 72, 57, 58, 56, 69,
-	76, 77, 55, 84, 53, 83, 52, 68, 75, 80,
-	67, 64, 51, 78, 65, 63, 0, 73, 81, 85,
-	70, 0, 0, 223, 0, 0, 0, 0, 82, 0,
+	64, 51, 78, 65, 63, 0, 73, 81, 85, 0,
+	70, 0, 0, 0, 0, 0, 0, 82, 460, 0,
 	0, 0, 62, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 98, 0, 97, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 70, 0, 0, 0, 0, 0, 0, 114, 0,
+	0, 0, 0, 0, 0, 48, 0, 130, 0, 0,
+	25, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 70, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 62, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 98, 0, 97, 0,
+	0, 0, 0, 29, 0, 0, 48, 0, 130, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	71, 0, 0, 59, 0, 0, 54, 0, 0, 79,
+	0, 0, 0, 0, 0, 459, 0, 0, 0, 457,
+	456, 0, 0, 59, 0, 0, 54, 0, 0, 79,
 	74, 66, 60, 61, 50, 0, 72, 57, 58, 56,
 	69, 76, 77, 55, 84, 53, 83, 52, 68, 75,
 	80, 67, 64, 51, 78, 65, 63, 0, 73, 81,
@@ -845,14 +810,14 @@ var yyAct = [...]int{
 	75, 80, 67, 64, 51, 78, 65, 63, 0, 73,
 	81, 85, 70, 0, 0, 0, 0, 0, 0, 0,
 	82, 0, 0, 0, 62, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 48, 0, 130,
+	0, 0, 0, 0, 0, 0, 0, 48, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 70, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 62, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 193, 0,
-	418, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 71, 0, 0, 59, 0, 0, 54, 0,
+	0, 0, 0, 0, 0, 29, 0, 0, 98, 0,
+	97, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 45, 43, 0, 0, 0,
+	0, 46, 71, 0, 0, 59, 0, 0, 54, 0,
 	0, 79, 74, 66, 60, 61, 50, 0, 72, 57,
 	58, 56, 69, 76, 77, 55, 84, 53, 83, 52,
 	68, 75, 80, 67, 64, 51, 78, 65, 63, 0,
@@ -860,14 +825,14 @@ var yyAct = [...]int{
 	0, 82, 79, 74, 66, 60, 61, 50, 0, 72,
 	57, 58, 56, 69, 76, 77, 55, 84, 53, 83,
 	52, 68, 75, 80, 67, 64, 51, 78, 65, 63,
-	0, 73, 81, 85, 70, 0, 0, 0, 0, 0,
+	0, 73, 81, 85, 70, 0, 0, 223, 0, 0,
 	0, 0, 82, 0, 0, 0, 62, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 98,
 	0, 97, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 70, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 62, 0, 0,
+	0, 0, 114, 0, 0, 0, 0, 62, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	98, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	98, 0, 97, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 71, 0, 0, 59, 0, 0,
 	54, 0, 0, 79, 74, 66, 60, 61, 50, 0,
@@ -877,102 +842,149 @@ var yyAct = [...]int{
 	0, 54, 0, 82, 79, 74, 66, 60, 61, 50,
 	0, 72, 57, 58, 56, 69, 76, 77, 55, 84,
 	53, 83, 52, 68, 75, 80, 67, 64, 51, 78,
-	65, 63, 0, 73, 81, 85, 0, 0, 0, 0,
-	0, 0, 0, 0, 82,
+	65, 63, 0, 73, 81, 85, 70, 0, 0, 0,
+	0, 0, 0, 0, 82, 0, 0, 0, 62, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 48, 0, 130, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 70, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 62,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 193, 0, 418, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 71, 0, 0, 59,
+	0, 0, 54, 0, 0, 79, 74, 66, 60, 61,
+	50, 0, 72, 57, 58, 56, 69, 76, 77, 55,
+	84, 53, 83, 52, 68, 75, 80, 67, 64, 51,
+	78, 65, 63, 0, 73, 81, 85, 71, 0, 0,
+	59, 0, 0, 54, 0, 82, 79, 74, 66, 60,
+	61, 50, 0, 72, 57, 58, 56, 69, 76, 77,
+	55, 84, 53, 83, 52, 68, 75, 80, 67, 64,
+	51, 78, 65, 63, 0, 73, 81, 85, 70, 0,
+	0, 0, 0, 0, 0, 0, 82, 0, 0, 0,
+	62, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 98, 0, 97, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 70,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 62, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 48, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 71, 0,
+	0, 59, 0, 0, 54, 0, 0, 79, 74, 66,
+	60, 61, 50, 0, 72, 57, 58, 56, 69, 76,
+	77, 55, 84, 53, 83, 52, 68, 75, 80, 67,
+	64, 51, 78, 65, 63, 0, 73, 81, 85, 71,
+	0, 0, 59, 0, 0, 54, 0, 82, 79, 74,
+	66, 60, 61, 50, 0, 72, 57, 58, 56, 69,
+	76, 77, 55, 84, 53, 83, 52, 68, 75, 80,
+	67, 64, 51, 78, 65, 63, 0, 73, 81, 85,
+	70, 0, 0, 0, 0, 0, 0, 0, 82, 0,
+	0, 0, 62, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 98, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	71, 0, 0, 59, 0, 0, 54, 0, 0, 79,
+	74, 66, 60, 61, 50, 0, 72, 57, 58, 56,
+	69, 76, 77, 55, 84, 53, 83, 52, 68, 75,
+	80, 67, 64, 51, 78, 65, 63, 0, 73, 81,
+	85, 0, 0, 0, 0, 0, 0, 0, 0, 82,
 }
 var yyPact = [...]int{
 
-	73, -1000, -115, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, 424, 439, -13, -1000, -1000, 345, 738, 6,
-	-5, 30, 4027, 4027, -1000, -1000, 307, -1000, -1000, -1000,
-	-1000, -1000, 413, 422, 307, 410, 3724, -1000, 3552, -1000,
-	443, -1000, 3855, 5, -8, -19, -1000, -1000, -1000, -1000,
+	368, -1000, -111, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 414, 443, -18, -1000, -1000, 325, 3505, 1,
+	-11, 30, 4021, 4021, -1000, -1000, 346, -1000, -1000, -1000,
+	-1000, -1000, 403, 410, 346, 400, 3718, -1000, 3546, -1000,
+	436, -1000, 3849, -4, -12, -26, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 4027, -15, -15, 4,
-	438, 4027, -1, -1000, -1000, -1000, 33, -1000, -1000, -1000,
-	-1000, -1000, 408, 195, 95, -1000, -1000, 2989, 2989, 424,
-	-1000, 307, -1000, 358, 4027, -1000, 314, 445, -1000, -1000,
-	-1000, 405, 3373, 3683, 124, 4027, 255, -1000, 191, -1000,
-	-1000, -19, -19, 4027, 79, 3, 4027, 400, 4027, 4027,
-	-2, -1000, -1000, 436, 2439, 2575, -1000, -1000, -1000, -99,
-	308, -1000, 2989, 1279, 328, -1000, -1000, -1000, -1000, -1000,
-	3120, 3120, 3120, 3120, 3120, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 328,
-	28, -1000, 2851, 328, 328, 2989, 328, -1000, -1000, -1000,
-	328, 328, 328, -1000, -1000, 316, -1000, 211, 413, 195,
-	-1000, 3896, 328, -1000, 3511, -1000, 3896, 3552, 3552, 3552,
-	3552, -1000, 378, 375, 368, 385, 4068, -1000, 253, 195,
-	3373, -1000, -1000, 4027, -1000, -1000, 434, 1527, 3332, 140,
-	-85, -1000, -1000, 318, -1000, 318, 318, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 318, 318, 318, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 337, 337, 337, 324,
-	324, 4027, 4027, -1000, 398, -24, -20, -1000, -1000, -1000,
-	-1000, 4027, 4027, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 4021, -21, -21, -6,
+	435, 4021, 5, -1000, -1000, -1000, 33, -1000, -1000, -1000,
+	-1000, -1000, 398, 184, 95, -1000, -1000, 2990, 2990, 414,
+	-1000, 346, -1000, 354, 4021, -1000, 216, 367, -1000, -1000,
+	-1000, 396, 1015, 3677, 105, 4021, 284, -1000, 190, -1000,
+	-1000, -26, -26, 4021, 87, 0, 4021, 393, 4021, 4021,
+	-7, -1000, -1000, 433, 2440, 2576, -1000, -1000, -1000, -93,
+	182, -1000, 2990, 1280, 304, -1000, -1000, -1000, -1000, -1000,
+	3121, 3121, 3121, 3121, 3121, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 304,
+	28, -1000, 2852, 304, 304, 2990, 304, -1000, -1000, -1000,
+	304, 304, 304, -1000, -1000, 272, -1000, 322, 403, 184,
+	-1000, 3890, 304, -1000, 3374, -1000, 3890, 3546, 3546, 3546,
+	3546, -1000, 362, 357, 356, 375, 4193, -1000, 261, 184,
+	1015, -1000, -1000, 4021, -1000, -1000, 431, 1528, 3333, 116,
+	-81, -1000, -1000, 300, -1000, 300, 300, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 300, 300, 300, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 324, 324, 324, 303,
+	303, 4021, 4021, -1000, 389, -31, -25, -1000, -1000, -1000,
+	-1000, 4021, 4021, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 296,
-	-1000, -1000, 944, 24, -1000, 2989, 2989, 137, 2989, 2989,
-	58, 3120, 123, 74, 3120, 3120, 3120, 3120, 3120, 3120,
-	3120, 3120, 3120, 3120, 3120, 3120, 3120, 3120, 3120, 3120,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 307, -1000,
-	-1000, -1000, -1000, 3200, 1180, 2287, 251, 99, 2851, 2989,
-	408, 83, 99, 3896, 2575, 2575, 2575, 2989, -1000, -1000,
-	-1000, -1000, -1000, 315, -1000, 66, -1000, 22, -1000, 234,
-	-1000, -1000, 2713, 195, 247, -1000, 19, 286, 445, 363,
-	433, -1000, -1000, -1000, -1000, 362, -1000, -1000, -1000, -1000,
-	-1000, 195, -1000, 424, 2989, 305, 1375, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 336, 393, 75, 174, -1000,
-	-1000, 384, -1000, 102, -90, -1000, -1000, 159, -1000, -1000,
-	-1000, -1000, -1000, -1000, 156, -1000, -1000, -1000, 155, -1000,
-	309, 323, -1000, 3855, -1000, 4027, 3896, -1000, -1000, 434,
-	2575, 3552, -1000, -1000, 3855, 1983, -1000, 58, 71, -1000,
-	-1000, 166, -1000, -1000, 99, 99, 2559, -1000, -1000, -1000,
-	-1000, 123, 3120, 3120, 3120, 3120, 836, 2559, 2559, 1172,
-	870, 2589, -1000, 93, 93, 9, 9, 9, 9, 9,
-	192, 192, -1000, 195, 2575, 304, 328, 17, -1000, 2989,
-	-1000, 173, 2575, 78, -1000, 2989, 195, 207, 207, 207,
-	-1000, 3896, 2989, 2287, 328, -1000, -1000, 331, 3855, 1016,
-	424, -1000, -1000, 2989, 334, -1000, -1000, -1000, 413, 99,
-	1527, -1000, 1527, 1016, -1000, 170, -1000, -1000, -75, 14,
-	-1000, -1000, -1000, 216, 298, 245, 4027, 4027, -1000, -1000,
-	-10, 429, -1000, 258, -1000, -1000, 16, -1000, -1000, -1000,
-	-1000, 836, 2559, 2559, 848, -1000, 3120, 3120, -1000, 207,
-	2575, 2135, 99, 261, 321, 70, -1000, 2989, 285, -1000,
-	-1000, -1000, -1000, -1000, 99, -1000, 15, -1000, 328, -1000,
-	307, -1000, 13, -1000, 413, 99, 3855, -1000, 1375, -1000,
-	204, -1000, 318, -1000, 53, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, 149, -1000, 141, 1831, 1831, 3896, 427, 421,
-	1679, -1000, 3120, 2559, 2559, -1000, 195, -1000, 195, 318,
-	-1000, 318, 324, 318, -45, 318, -48, 318, 318, 318,
-	318, 318, 318, -1000, -110, -1000, 99, 2989, 2135, 234,
-	195, 1016, -1000, 182, -1000, -1000, 1016, -1000, -1000, 392,
-	-1000, 388, 214, 210, -1000, -1000, -1000, -1000, -1000, -1000,
-	2989, 2989, -1000, 2559, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 195,
-	162, 99, -1000, -1000, -1000, 3855, -1000, -1000, -1000, -1000,
-	-1000, -1000, 99, 230, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 330,
+	-1000, -1000, 945, 25, -1000, 2990, 2990, 302, 2990, 2990,
+	58, 3121, 127, 74, 3121, 3121, 3121, 3121, 3121, 3121,
+	3121, 3121, 3121, 3121, 3121, 3121, 3121, 3121, 3121, 3121,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 346, -1000,
+	-1000, -1000, -1000, 3201, 1177, 2288, 256, 139, 2852, 2990,
+	398, 80, 139, 3890, 2576, 2576, 2576, 2990, -1000, -1000,
+	-1000, -1000, -1000, 264, -1000, 71, -1000, 23, -1000, 191,
+	-1000, -1000, 2714, 184, 241, -1000, 22, 327, 367, 321,
+	509, -1000, -1000, -1000, -1000, 335, -1000, -1000, -1000, -1000,
+	-1000, 184, -1000, 414, 2990, 258, 1376, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 318, 384, 55, 171, -1000,
+	-1000, 370, -1000, 102, -83, -1000, -1000, 156, -1000, -1000,
+	-1000, -1000, -1000, -1000, 155, -1000, -1000, -1000, 129, -1000,
+	328, 341, -1000, 3849, -1000, 4021, 3890, -1000, -1000, 431,
+	2576, 3546, -1000, -1000, 3849, 1984, -1000, 58, 60, -1000,
+	-1000, 140, -1000, -1000, 139, 139, 100, -1000, -1000, -1000,
+	-1000, 127, 3121, 3121, 3121, 3121, 836, 100, 100, 1169,
+	870, 386, -1000, 17, 17, 21, 21, 21, 21, 21,
+	202, 202, -1000, 184, 2576, 230, 304, 20, -1000, 2990,
+	-1000, 222, 2576, 79, -1000, 2990, 184, 193, 193, 193,
+	-1000, 3890, 2990, 2288, 304, -1000, -1000, 345, 3849, 4062,
+	414, -1000, -1000, 2990, 307, -1000, -1000, -1000, 403, 139,
+	1528, -1000, 1528, 4062, -1000, 164, -1000, -1000, -77, 24,
+	-1000, -1000, -1000, 207, 237, 234, 4021, 4021, -1000, -1000,
+	-15, 428, -1000, 211, -1000, -1000, 18, -1000, -1000, -1000,
+	-1000, 836, 100, 100, 848, -1000, 3121, 3121, -1000, 193,
+	2576, 2136, 139, 734, 227, 75, -1000, 2990, 277, -1000,
+	-1000, -1000, -1000, -1000, 139, -1000, 16, -1000, 304, -1000,
+	346, -1000, 15, -1000, 403, 139, 3849, -1000, 1376, -1000,
+	179, -1000, 300, -1000, 56, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, 125, -1000, 119, 1832, 1832, 3890, 416,
+	406, 1680, -1000, 3121, 100, 100, -1000, 184, -1000, 184,
+	300, -1000, 300, 303, 300, -46, 300, -48, 300, 300,
+	300, 300, 300, 300, -1000, -102, -1000, 139, 2990, 2136,
+	191, 184, 4062, -1000, 175, -1000, -1000, 4062, -1000, -1000,
+	383, -1000, 376, 195, 189, -1000, -1000, -1000, -1000, -1000,
+	-1000, 2990, 2990, -1000, 100, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	184, 128, 139, -1000, -1000, -1000, 3849, -1000, -1000, -1000,
+	-1000, -1000, -1000, 139, 183, -1000, -1000, -1000,
 }
 var yyPgo = [...]int{
 
-	0, 621, 62, 388, 618, 616, 611, 609, 608, 607,
-	606, 605, 593, 592, 583, 48, 581, 577, 38, 575,
-	11, 67, 8, 25, 12, 570, 29, 56, 41, 566,
-	28, 564, 563, 40, 562, 27, 553, 551, 22, 550,
-	549, 547, 546, 545, 543, 433, 540, 539, 538, 537,
-	536, 21, 1, 6, 36, 14, 535, 32, 10, 532,
-	531, 17, 530, 529, 528, 527, 18, 523, 35, 520,
-	16, 519, 518, 54, 20, 511, 108, 70, 510, 13,
-	0, 30, 46, 9, 508, 625, 26, 47, 507, 506,
-	3, 505, 503, 502, 501, 500, 499, 498, 103, 496,
-	494, 490, 44, 4, 489, 488, 487, 31, 485, 33,
-	483, 482, 479, 15, 5, 467, 2, 465, 34, 460,
-	458, 456, 787, 7, 455, 454,
+	0, 631, 55, 388, 629, 628, 627, 626, 625, 623,
+	622, 621, 620, 618, 616, 34, 614, 611, 35, 610,
+	13, 32, 8, 22, 12, 607, 27, 42, 57, 606,
+	28, 602, 600, 48, 593, 21, 592, 586, 16, 583,
+	577, 566, 563, 561, 553, 433, 551, 550, 549, 543,
+	538, 25, 1, 14, 50, 15, 536, 36, 11, 535,
+	533, 20, 532, 531, 530, 529, 18, 523, 33, 521,
+	3, 518, 516, 54, 17, 515, 129, 71, 512, 31,
+	0, 30, 95, 9, 511, 624, 26, 47, 510, 509,
+	6, 508, 505, 503, 502, 501, 500, 499, 100, 497,
+	496, 494, 41, 4, 490, 489, 488, 40, 485, 29,
+	482, 481, 478, 10, 5, 461, 2, 460, 38, 458,
+	456, 455, 788, 7, 453, 450,
 }
 var yyR1 = [...]int{
 
@@ -983,47 +995,47 @@ var yyR1 = [...]int{
 	95, 95, 93, 93, 93, 93, 93, 93, 94, 94,
 	94, 94, 94, 96, 96, 96, 96, 96, 97, 97,
 	97, 97, 97, 97, 97, 97, 97, 97, 98, 98,
-	102, 102, 103, 103, 103, 100, 100, 101, 101, 104,
-	104, 104, 99, 99, 99, 99, 99, 99, 105, 105,
-	106, 106, 106, 106, 106, 108, 115, 115, 115, 115,
-	109, 109, 117, 117, 116, 112, 112, 112, 113, 113,
-	113, 114, 114, 114, 10, 10, 10, 118, 118, 11,
-	11, 13, 13, 13, 13, 13, 119, 119, 14, 14,
-	14, 125, 15, 16, 16, 17, 17, 18, 18, 22,
-	22, 21, 21, 23, 23, 23, 23, 84, 84, 84,
-	83, 83, 25, 26, 26, 27, 27, 28, 28, 28,
-	28, 37, 72, 72, 29, 29, 29, 30, 30, 31,
-	31, 89, 89, 88, 88, 88, 87, 87, 32, 32,
-	32, 33, 33, 34, 34, 36, 36, 35, 35, 38,
-	38, 24, 24, 24, 24, 24, 24, 40, 40, 39,
+	102, 102, 102, 103, 103, 103, 100, 100, 101, 101,
+	104, 104, 104, 99, 99, 99, 99, 99, 99, 105,
+	105, 106, 106, 106, 106, 106, 108, 115, 115, 115,
+	115, 109, 109, 117, 117, 116, 112, 112, 112, 113,
+	113, 113, 114, 114, 114, 10, 10, 10, 118, 118,
+	11, 11, 13, 13, 13, 13, 13, 119, 119, 14,
+	14, 14, 125, 15, 16, 16, 17, 17, 18, 18,
+	22, 22, 21, 21, 23, 23, 23, 23, 84, 84,
+	84, 83, 83, 25, 26, 26, 27, 27, 28, 28,
+	28, 28, 37, 72, 72, 29, 29, 29, 30, 30,
+	31, 31, 89, 89, 88, 88, 88, 87, 87, 32,
+	32, 32, 33, 33, 34, 34, 36, 36, 35, 35,
+	38, 38, 24, 24, 24, 24, 24, 24, 40, 40,
 	39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
-	39, 50, 50, 50, 50, 50, 50, 41, 41, 41,
-	41, 41, 41, 41, 20, 20, 51, 51, 51, 57,
-	52, 52, 45, 45, 45, 45, 45, 45, 45, 45,
+	39, 39, 50, 50, 50, 50, 50, 50, 41, 41,
+	41, 41, 41, 41, 41, 20, 20, 51, 51, 51,
+	57, 52, 52, 45, 45, 45, 45, 45, 45, 45,
 	45, 45, 45, 45, 45, 45, 45, 45, 45, 45,
-	45, 45, 45, 45, 45, 45, 45, 45, 48, 48,
-	48, 46, 46, 46, 46, 47, 47, 47, 49, 49,
-	49, 91, 91, 91, 91, 91, 91, 91, 91, 91,
-	91, 91, 91, 91, 91, 91, 91, 91, 62, 62,
-	19, 19, 60, 60, 61, 63, 63, 58, 58, 58,
-	59, 59, 59, 44, 44, 44, 44, 44, 44, 44,
-	44, 64, 64, 65, 65, 66, 66, 67, 67, 68,
-	69, 69, 69, 70, 70, 70, 70, 42, 42, 42,
-	42, 42, 42, 71, 71, 71, 71, 53, 53, 55,
-	55, 54, 56, 73, 73, 74, 76, 76, 77, 77,
-	75, 75, 78, 78, 78, 81, 81, 82, 82, 85,
-	85, 86, 86, 79, 79, 79, 79, 79, 79, 79,
+	45, 45, 45, 45, 45, 45, 45, 45, 45, 48,
+	48, 48, 46, 46, 46, 46, 47, 47, 47, 49,
+	49, 49, 91, 91, 91, 91, 91, 91, 91, 91,
+	91, 91, 91, 91, 91, 91, 91, 91, 91, 62,
+	62, 19, 19, 60, 60, 61, 63, 63, 58, 58,
+	58, 59, 59, 59, 44, 44, 44, 44, 44, 44,
+	44, 44, 64, 64, 65, 65, 66, 66, 67, 67,
+	68, 69, 69, 69, 70, 70, 70, 70, 42, 42,
+	42, 42, 42, 42, 71, 71, 71, 71, 53, 53,
+	55, 55, 54, 56, 73, 73, 74, 76, 76, 77,
+	77, 75, 75, 78, 78, 78, 81, 81, 82, 82,
+	85, 85, 86, 86, 79, 79, 79, 79, 79, 79,
 	79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
 	79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
 	79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
 	79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
 	79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
 	79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
-	79, 79, 79, 79, 79, 79, 80, 80, 80, 80,
+	79, 79, 79, 79, 79, 79, 79, 80, 80, 80,
 	80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
 	80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
 	80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
-	80, 80, 122, 123, 124, 90, 90, 90,
+	80, 80, 80, 122, 123, 124, 90, 90, 90,
 }
 var yyR2 = [...]int{
 
@@ -1034,35 +1046,35 @@ var yyR2 = [...]int{
 	2, 1, 1, 1, 1, 1, 1, 1, 2, 2,
 	2, 2, 2, 1, 2, 2, 2, 1, 2, 2,
 	1, 1, 1, 1, 1, 1, 1, 1, 0, 3,
-	0, 5, 0, 3, 5, 0, 1, 0, 1, 0,
-	1, 2, 0, 2, 2, 2, 2, 2, 0, 1,
-	0, 2, 1, 2, 1, 4, 2, 3, 2, 2,
-	1, 1, 1, 3, 2, 0, 1, 3, 1, 2,
-	3, 1, 1, 1, 6, 6, 8, 0, 1, 4,
-	4, 4, 5, 3, 3, 5, 0, 1, 2, 2,
-	2, 0, 2, 0, 2, 1, 2, 0, 1, 0,
-	1, 1, 3, 1, 2, 3, 5, 0, 1, 2,
-	1, 1, 2, 1, 3, 1, 1, 1, 1, 3,
-	3, 2, 1, 3, 4, 4, 3, 2, 4, 0,
-	1, 0, 1, 0, 1, 2, 1, 1, 1, 2,
-	2, 2, 3, 2, 2, 2, 1, 1, 3, 0,
-	2, 1, 3, 3, 2, 3, 1, 1, 1, 3,
-	3, 4, 4, 5, 3, 4, 3, 4, 5, 6,
-	2, 1, 2, 1, 2, 1, 2, 1, 1, 1,
-	1, 1, 1, 1, 0, 2, 1, 1, 1, 3,
-	1, 3, 1, 1, 1, 1, 1, 3, 3, 3,
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 2,
-	2, 2, 2, 3, 1, 1, 1, 1, 4, 5,
-	6, 6, 7, 5, 4, 1, 1, 1, 4, 4,
-	4, 2, 1, 2, 2, 2, 1, 2, 2, 1,
-	2, 2, 2, 2, 2, 2, 2, 1, 0, 1,
-	0, 2, 1, 2, 4, 0, 2, 1, 3, 5,
-	1, 3, 5, 1, 1, 1, 1, 1, 1, 1,
-	1, 0, 3, 0, 2, 0, 3, 1, 3, 2,
-	0, 1, 1, 0, 2, 4, 4, 2, 1, 3,
-	5, 4, 6, 1, 3, 3, 5, 1, 3, 1,
-	2, 3, 1, 1, 3, 3, 0, 2, 0, 3,
-	0, 1, 0, 1, 1, 1, 1, 1, 1, 1,
+	0, 3, 5, 0, 3, 5, 0, 1, 0, 1,
+	0, 1, 2, 0, 2, 2, 2, 2, 2, 0,
+	1, 0, 2, 1, 2, 1, 4, 2, 3, 2,
+	2, 1, 1, 1, 3, 2, 0, 1, 3, 1,
+	2, 3, 1, 1, 1, 6, 6, 8, 0, 1,
+	4, 4, 4, 5, 3, 3, 5, 0, 1, 2,
+	2, 2, 0, 2, 0, 2, 1, 2, 0, 1,
+	0, 1, 1, 3, 1, 2, 3, 5, 0, 1,
+	2, 1, 1, 2, 1, 3, 1, 1, 1, 1,
+	3, 3, 2, 1, 3, 4, 4, 3, 2, 4,
+	0, 1, 0, 1, 0, 1, 2, 1, 1, 1,
+	2, 2, 2, 3, 2, 2, 2, 1, 1, 3,
+	0, 2, 1, 3, 3, 2, 3, 1, 1, 1,
+	3, 3, 4, 4, 5, 3, 4, 3, 4, 5,
+	6, 2, 1, 2, 1, 2, 1, 2, 1, 1,
+	1, 1, 1, 1, 1, 0, 2, 1, 1, 1,
+	3, 1, 3, 1, 1, 1, 1, 1, 3, 3,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	2, 2, 2, 2, 3, 1, 1, 1, 1, 4,
+	5, 6, 6, 7, 5, 4, 1, 1, 1, 4,
+	4, 4, 2, 1, 2, 2, 2, 1, 2, 2,
+	1, 2, 2, 2, 2, 2, 2, 2, 1, 0,
+	1, 0, 2, 1, 2, 4, 0, 2, 1, 3,
+	5, 1, 3, 5, 1, 1, 1, 1, 1, 1,
+	1, 1, 0, 3, 0, 2, 0, 3, 1, 3,
+	2, 0, 1, 1, 0, 2, 4, 4, 2, 1,
+	3, 5, 4, 6, 1, 3, 3, 5, 1, 3,
+	1, 2, 3, 1, 1, 3, 3, 0, 2, 0,
+	3, 0, 1, 0, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -1074,7 +1086,7 @@ var yyR2 = [...]int{
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 0, 0, 1, 1,
+	1, 1, 1, 1, 1, 0, 0, 1, 1,
 }
 var yyChk = [...]int{
 
@@ -1143,94 +1155,94 @@ var yyChk = [...]int{
 	-123, -123, -123, -74, -24, -82, -86, -55, 28, -2,
 	-122, -83, -81, -81, -66, -24, 39, -70, -113, -114,
 	-117, -116, -81, 42, -105, 144, 44, 45, 46, 52,
-	149, 41, 40, 41, 40, -35, -35, 103, -64, 12,
-	94, -20, 58, -45, -45, -123, -22, -82, -91, 132,
-	113, 130, 126, 135, 145, 128, 146, 129, 119, 116,
-	117, 118, 121, 44, -66, 66, -24, 64, 94, -53,
-	-2, 94, -70, -72, -83, 41, 40, -98, -106, 107,
-	25, 106, 45, 45, -90, -122, -82, -90, -58, -65,
-	13, 15, 85, -45, -123, -123, -98, -98, -103, -98,
-	120, -98, 120, -98, -98, -98, -98, -98, -98, -19,
-	155, -24, -82, -123, -81, 40, 41, -116, 25, 25,
-	41, 41, -24, -52, -123, 44, -83,
+	149, 41, 41, 40, 41, 40, -35, -35, 103, -64,
+	12, 94, -20, 58, -45, -45, -123, -22, -82, -91,
+	132, 113, 130, 126, 135, 145, 128, 146, 129, 119,
+	116, 117, 118, 121, 44, -66, 66, -24, 64, 94,
+	-53, -2, 94, -70, -72, -83, 41, 40, -98, -106,
+	107, 25, 106, 45, 45, -90, -122, -82, -90, -58,
+	-65, 13, 15, 85, -45, -123, -123, -98, -98, -103,
+	-98, 120, -98, 120, -98, -98, -98, -98, -98, -98,
+	-19, 155, -24, -82, -123, -81, 40, 41, -116, 25,
+	25, 41, 41, -24, -52, -123, 44, -83,
 }
 var yyDef = [...]int{
 
 	0, -2, 2, -2, 5, 6, 7, 8, 9, 10,
-	11, 12, 315, 0, 350, 131, 131, 0, 352, 0,
-	0, 126, 0, 0, 474, 131, 0, 131, 131, 472,
-	1, 3, 323, 0, 0, 135, 0, 351, 0, 133,
-	0, 28, 0, 0, 0, 348, 353, 354, 355, 356,
-	436, 437, 438, 439, 440, 441, 442, 443, 444, 445,
-	446, 447, 448, 449, 450, 451, 452, 453, 454, 455,
-	456, 457, 458, 459, 460, 461, 462, 463, 464, 465,
-	466, 467, 468, 469, 470, 471, 0, 346, 346, 0,
-	0, 0, 0, 127, 128, 187, 176, 177, 359, 360,
-	129, 130, 137, 17, 23, 24, 13, 0, 0, 315,
-	19, 0, 136, 0, 0, 186, 0, 153, 155, 156,
-	157, -2, 0, 173, 132, 0, 0, 33, 0, 150,
-	151, 348, 348, 0, 0, 0, 0, 0, 0, 0,
-	0, 123, 124, 0, 0, 0, 138, 18, 473, 0,
-	324, 191, 0, 196, 0, 232, 233, 234, 235, 236,
-	0, 0, 0, 0, 0, 254, 255, 256, 257, 303,
-	304, 305, 306, 307, 308, 309, 310, 197, 198, 300,
-	0, 342, 0, 0, 0, 288, 0, 265, 266, 267,
-	0, 0, 0, -2, -2, 316, 317, 320, 323, 17,
-	21, 0, 0, -2, 0, 185, 0, 0, 0, 0,
-	0, 178, 0, 0, 0, 0, 0, 172, 0, 17,
-	0, 161, 174, 0, 176, 134, 189, 105, 0, 79,
-	75, 38, 39, 68, 41, 68, 68, 60, 61, 62,
+	11, 12, 316, 0, 351, 132, 132, 0, 353, 0,
+	0, 127, 0, 0, 475, 132, 0, 132, 132, 473,
+	1, 3, 324, 0, 0, 136, 0, 352, 0, 134,
+	0, 28, 0, 0, 0, 349, 354, 355, 356, 357,
+	437, 438, 439, 440, 441, 442, 443, 444, 445, 446,
+	447, 448, 449, 450, 451, 452, 453, 454, 455, 456,
+	457, 458, 459, 460, 461, 462, 463, 464, 465, 466,
+	467, 468, 469, 470, 471, 472, 0, 347, 347, 0,
+	0, 0, 0, 128, 129, 188, 177, 178, 360, 361,
+	130, 131, 138, 17, 23, 24, 13, 0, 0, 316,
+	19, 0, 137, 0, 0, 187, 0, 154, 156, 157,
+	158, -2, 0, 174, 133, 0, 0, 33, 0, 151,
+	152, 349, 349, 0, 0, 0, 0, 0, 0, 0,
+	0, 124, 125, 0, 0, 0, 139, 18, 474, 0,
+	325, 192, 0, 197, 0, 233, 234, 235, 236, 237,
+	0, 0, 0, 0, 0, 255, 256, 257, 258, 304,
+	305, 306, 307, 308, 309, 310, 311, 198, 199, 301,
+	0, 343, 0, 0, 0, 289, 0, 266, 267, 268,
+	0, 0, 0, -2, -2, 317, 318, 321, 324, 17,
+	21, 0, 0, -2, 0, 186, 0, 0, 0, 0,
+	0, 179, 0, 0, 0, 0, 0, 173, 0, 17,
+	0, 162, 175, 0, 177, 135, 190, 106, 0, 80,
+	76, 38, 39, 68, 41, 68, 68, 60, 61, 62,
 	63, 64, 65, 66, 67, 53, 68, 68, 68, 57,
-	42, 43, 44, 45, 46, 47, 70, 70, 70, 72,
-	72, 0, 0, 31, 0, 117, 117, 119, 347, 120,
-	121, 0, 0, 188, 361, 362, 363, 364, 365, 366,
-	367, 368, 369, 370, 371, 372, 373, 374, 375, 376,
-	377, 378, 379, 380, 381, 382, 383, 384, 385, 386,
-	387, 388, 389, 390, 391, 392, 393, 394, 395, 396,
-	397, 398, 399, 400, 401, 402, 403, 404, 405, 406,
-	407, 408, 409, 410, 411, 412, 413, 414, 415, 416,
-	417, 418, 419, 420, 421, 422, 423, 424, 425, 426,
-	427, 428, 429, 430, 431, 432, 433, 434, 435, 16,
-	141, 143, 147, 0, 131, 0, 0, 0, 0, 0,
-	194, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	42, 43, 44, 45, 46, 47, 70, 70, 70, 73,
+	73, 0, 0, 31, 0, 118, 118, 120, 348, 121,
+	122, 0, 0, 189, 362, 363, 364, 365, 366, 367,
+	368, 369, 370, 371, 372, 373, 374, 375, 376, 377,
+	378, 379, 380, 381, 382, 383, 384, 385, 386, 387,
+	388, 389, 390, 391, 392, 393, 394, 395, 396, 397,
+	398, 399, 400, 401, 402, 403, 404, 405, 406, 407,
+	408, 409, 410, 411, 412, 413, 414, 415, 416, 417,
+	418, 419, 420, 421, 422, 423, 424, 425, 426, 427,
+	428, 429, 430, 431, 432, 433, 434, 435, 436, 16,
+	142, 144, 148, 0, 132, 0, 0, 0, 0, 0,
+	195, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	217, 218, 219, 220, 221, 222, 223, 210, 0, 249,
-	250, 251, 252, 0, 139, 0, 0, 230, 0, 0,
-	137, 0, 289, 0, 0, 0, 0, 0, 319, 321,
-	322, 14, 20, 22, 343, 0, 297, 0, -2, 327,
-	337, 339, 0, 17, 0, 333, 150, 189, 154, 169,
-	0, 166, 179, 180, 181, 0, 183, 184, 159, 160,
-	229, 17, 175, 315, 0, 32, 106, 108, 111, 112,
-	113, 357, 358, 34, 35, 0, 457, 0, 0, 100,
-	101, 82, 80, 0, 77, 76, 40, 0, 58, 59,
+	218, 219, 220, 221, 222, 223, 224, 211, 0, 250,
+	251, 252, 253, 0, 140, 0, 0, 231, 0, 0,
+	138, 0, 290, 0, 0, 0, 0, 0, 320, 322,
+	323, 14, 20, 22, 344, 0, 298, 0, -2, 328,
+	338, 340, 0, 17, 0, 334, 151, 190, 155, 170,
+	0, 167, 180, 181, 182, 0, 184, 185, 160, 161,
+	230, 17, 176, 316, 0, 32, 107, 109, 112, 113,
+	114, 358, 359, 34, 35, 0, 458, 0, 0, 101,
+	102, 83, 81, 0, 78, 77, 40, 0, 58, 59,
 	54, 55, 56, 48, 0, 49, 50, 51, 0, 52,
-	0, 0, 349, 0, 118, 0, 0, 122, 125, 189,
-	0, 0, 144, 148, 0, 0, 25, 192, 193, 195,
-	211, 0, 213, 215, 325, 326, 199, 200, 226, 227,
-	228, 0, 0, 0, 0, 0, 224, 204, 206, 0,
-	237, 238, 239, 240, 241, 242, 243, 244, 245, 246,
-	247, 248, 253, 0, 0, 140, 301, 0, -2, 0,
-	341, 0, 0, 295, 292, 0, 0, 0, 0, 0,
-	318, 0, 0, 0, 0, 340, -2, 0, 0, 0,
-	315, 164, 170, 0, 0, 165, 182, -2, 323, 190,
-	0, 109, 0, 0, 96, 0, 98, 99, 88, 0,
-	81, 37, 78, 0, 0, 0, 0, 0, 114, 115,
-	0, 311, 142, 152, 149, 145, 0, 212, 214, 216,
-	201, 224, 205, 207, 0, 202, 0, 0, 258, 0,
-	139, 0, 231, 0, 315, 0, 293, 0, 0, 264,
-	268, 269, 270, 344, 345, 298, 0, 338, 0, -2,
-	0, 335, 150, 334, 323, 167, 0, 27, 107, 110,
-	0, 102, 68, 97, 90, 89, 83, 84, 85, 86,
-	87, 69, 0, 73, 0, 475, 475, 0, 313, 0,
-	0, 203, 0, 225, 208, 259, 0, 302, 0, 68,
-	272, 68, 72, 68, 276, 68, 279, 68, 68, 68,
-	68, 68, 68, 287, 290, 263, 296, 0, 0, 330,
-	17, 0, 26, 0, 162, 95, 0, 104, 36, 0,
-	92, 94, 0, 0, 29, 476, 477, 30, 116, 15,
-	0, 0, 146, 209, 260, 261, 271, 273, 274, 275,
-	277, 278, 280, 281, 282, 283, 284, 285, 286, 0,
-	0, 294, 299, -2, 336, 0, 168, 103, 91, 93,
-	71, 74, 314, 312, 262, 291, 163,
+	0, 0, 350, 0, 119, 0, 0, 123, 126, 190,
+	0, 0, 145, 149, 0, 0, 25, 193, 194, 196,
+	212, 0, 214, 216, 326, 327, 200, 201, 227, 228,
+	229, 0, 0, 0, 0, 0, 225, 205, 207, 0,
+	238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
+	248, 249, 254, 0, 0, 141, 302, 0, -2, 0,
+	342, 0, 0, 296, 293, 0, 0, 0, 0, 0,
+	319, 0, 0, 0, 0, 341, -2, 0, 0, 0,
+	316, 165, 171, 0, 0, 166, 183, -2, 324, 191,
+	0, 110, 0, 0, 97, 0, 99, 100, 89, 0,
+	82, 37, 79, 0, 0, 0, 0, 0, 115, 116,
+	0, 312, 143, 153, 150, 146, 0, 213, 215, 217,
+	202, 225, 206, 208, 0, 203, 0, 0, 259, 0,
+	140, 0, 232, 0, 316, 0, 294, 0, 0, 265,
+	269, 270, 271, 345, 346, 299, 0, 339, 0, -2,
+	0, 336, 151, 335, 324, 168, 0, 27, 108, 111,
+	0, 103, 68, 98, 91, 90, 84, 85, 86, 87,
+	88, 69, 71, 0, 74, 0, 476, 476, 0, 314,
+	0, 0, 204, 0, 226, 209, 260, 0, 303, 0,
+	68, 273, 68, 73, 68, 277, 68, 280, 68, 68,
+	68, 68, 68, 68, 288, 291, 264, 297, 0, 0,
+	331, 17, 0, 26, 0, 163, 96, 0, 105, 36,
+	0, 93, 95, 0, 0, 29, 477, 478, 30, 117,
+	15, 0, 0, 147, 210, 261, 262, 272, 274, 275,
+	276, 278, 279, 281, 282, 283, 284, 285, 286, 287,
+	0, 0, 295, 300, -2, 337, 0, 169, 104, 92,
+	94, 72, 75, 315, 313, 263, 292, 164,
 }
 var yyTok1 = [...]int{
 
@@ -2002,108 +2014,108 @@ yydefault:
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
 	case 71:
-		yyDollar = yyS[yypt-5 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:569
+		{
+			yyVAL.LengthScaleOption = LengthScaleOption{Length: NewIntVal(yyDollar[2].bytes)}
+		}
+	case 72:
+		yyDollar = yyS[yypt-5 : yypt+1]
+//line sql.y:573
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 				Scale:  NewIntVal(yyDollar[4].bytes),
 			}
 		}
-	case 72:
+	case 73:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:577
+//line sql.y:581
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
-	case 73:
+	case 74:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:581
+//line sql.y:585
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 			}
 		}
-	case 74:
+	case 75:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:587
+//line sql.y:591
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 				Scale:  NewIntVal(yyDollar[4].bytes),
 			}
 		}
-	case 75:
+	case 76:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:595
+//line sql.y:599
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 76:
+	case 77:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:599
+//line sql.y:603
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 77:
+	case 78:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:604
+//line sql.y:608
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 78:
+	case 79:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:608
+//line sql.y:612
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 79:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:614
-		{
-			yyVAL.boolVal = BoolVal(false)
-		}
 	case 80:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:618
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 81:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:622
 		{
-			yyVAL.boolVal = BoolVal(true)
+			yyVAL.boolVal = BoolVal(false)
 		}
 	case 82:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:627
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:626
 		{
-			yyVAL.optVal = nil
+			yyVAL.boolVal = BoolVal(true)
 		}
 	case 83:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:631
 		{
-			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
+			yyVAL.optVal = nil
 		}
 	case 84:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:635
 		{
-			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
+			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
 	case 85:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:639
 		{
-			yyVAL.optVal = NewFloatVal(yyDollar[2].bytes)
+			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
 	case 86:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:643
 		{
-			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
+			yyVAL.optVal = NewFloatVal(yyDollar[2].bytes)
 		}
 	case 87:
 		yyDollar = yyS[yypt-2 : yypt+1]
@@ -2112,189 +2124,195 @@ yydefault:
 			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
 		}
 	case 88:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:651
+		{
+			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
+		}
+	case 89:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:652
+//line sql.y:656
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 89:
+	case 90:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:656
+//line sql.y:660
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 90:
+	case 91:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:661
+//line sql.y:665
 		{
 			yyVAL.colKeyOpt = colKeyNone
 		}
-	case 91:
+	case 92:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:665
+//line sql.y:669
 		{
 			yyVAL.colKeyOpt = colKeyPrimary
 		}
-	case 92:
+	case 93:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:669
+//line sql.y:673
 		{
 			yyVAL.colKeyOpt = colKey
 		}
-	case 93:
+	case 94:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:673
+//line sql.y:677
 		{
 			yyVAL.colKeyOpt = colKeyUniqueKey
 		}
-	case 94:
+	case 95:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:677
+//line sql.y:681
 		{
 			yyVAL.colKeyOpt = colKeyUnique
 		}
-	case 95:
+	case 96:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:683
+//line sql.y:687
 		{
 			yyVAL.indexDefinition = &IndexDefinition{Info: yyDollar[1].indexInfo, Columns: yyDollar[3].indexColumns}
 		}
-	case 96:
+	case 97:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:689
+//line sql.y:693
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].bytes), Name: NewColIdent("PRIMARY"), Primary: true, Unique: true}
 		}
-	case 97:
+	case 98:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:693
+//line sql.y:697
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].str), Name: NewColIdent(string(yyDollar[3].bytes)), Unique: true}
 		}
-	case 98:
+	case 99:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:697
+//line sql.y:701
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes), Name: NewColIdent(string(yyDollar[2].bytes)), Unique: true}
 		}
-	case 99:
+	case 100:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:701
+//line sql.y:705
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].str), Name: NewColIdent(string(yyDollar[2].bytes)), Unique: false}
 		}
-	case 100:
+	case 101:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:707
+//line sql.y:711
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 101:
+	case 102:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:711
+//line sql.y:715
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 102:
+	case 103:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:717
+//line sql.y:721
 		{
 			yyVAL.indexColumns = []*IndexColumn{yyDollar[1].indexColumn}
 		}
-	case 103:
+	case 104:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:721
+//line sql.y:725
 		{
 			yyVAL.indexColumns = append(yyVAL.indexColumns, yyDollar[3].indexColumn)
 		}
-	case 104:
+	case 105:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:727
+//line sql.y:731
 		{
 			yyVAL.indexColumn = &IndexColumn{Column: yyDollar[1].colIdent, Length: yyDollar[2].optVal}
 		}
-	case 105:
+	case 106:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:732
+//line sql.y:736
 		{
 			yyVAL.str = ""
 		}
-	case 106:
+	case 107:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:736
+//line sql.y:740
 		{
 			yyVAL.str = " " + string(yyDollar[1].str)
 		}
-	case 107:
+	case 108:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:740
+//line sql.y:744
 		{
 			yyVAL.str = string(yyDollar[1].str) + ", " + string(yyDollar[3].str)
 		}
-	case 108:
+	case 109:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:748
+//line sql.y:752
 		{
 			yyVAL.str = yyDollar[1].str
 		}
-	case 109:
+	case 110:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:752
+//line sql.y:756
 		{
 			yyVAL.str = yyDollar[1].str + " " + yyDollar[2].str
 		}
-	case 110:
+	case 111:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:756
+//line sql.y:760
 		{
 			yyVAL.str = yyDollar[1].str + "=" + yyDollar[3].str
 		}
-	case 111:
+	case 112:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:762
+//line sql.y:766
 		{
 			yyVAL.str = yyDollar[1].colIdent.String()
 		}
-	case 112:
+	case 113:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:766
+//line sql.y:770
 		{
 			yyVAL.str = "'" + string(yyDollar[1].bytes) + "'"
 		}
-	case 113:
+	case 114:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:770
+//line sql.y:774
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 114:
+	case 115:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:776
+//line sql.y:780
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
-	case 115:
+	case 116:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:780
+//line sql.y:784
 		{
 			// Change this to a rename statement
 			yyVAL.statement = &DDL{Action: RenameStr, Table: yyDollar[3].tableName, NewName: yyDollar[6].tableName}
 		}
-	case 116:
+	case 117:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:785
+//line sql.y:789
 		{
 			// Rename an index can just be an alter
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
-	case 117:
+	case 118:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:791
+//line sql.y:795
 		{
 		}
-	case 119:
+	case 120:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:795
+//line sql.y:799
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -2302,9 +2320,9 @@ yydefault:
 			}
 			yyVAL.statement = &DDL{Action: DropStr, Table: yyDollar[4].tableName, IfExists: exists}
 		}
-	case 120:
+	case 121:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:803
+//line sql.y:807
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -2312,53 +2330,47 @@ yydefault:
 			}
 			yyVAL.statement = &DDL{Action: DropIndexStr, Table: yyDollar[4].tableName, IfExists: exists}
 		}
-	case 121:
-		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:813
-		{
-			yyVAL.statement = &Show{Type: string(yyDollar[3].bytes), ShowCreate: true, OnTable: yyDollar[4].tableName}
-		}
 	case 122:
-		yyDollar = yyS[yypt-5 : yypt+1]
+		yyDollar = yyS[yypt-4 : yypt+1]
 //line sql.y:817
 		{
-			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes), OnTable: yyDollar[5].tableName}
+			yyVAL.statement = &Show{Type: string(yyDollar[3].bytes), ShowCreate: true, OnTable: yyDollar[4].tableName}
 		}
 	case 123:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-5 : yypt+1]
 //line sql.y:821
 		{
-			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes), OnTable: yyDollar[3].tableName}
+			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes), OnTable: yyDollar[5].tableName}
 		}
 	case 124:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:825
 		{
-			yyVAL.statement = &Show{Type: string(yyDollar[3].bytes)}
+			yyVAL.statement = &Show{Type: string(yyDollar[2].bytes), OnTable: yyDollar[3].tableName}
 		}
 	case 125:
-		yyDollar = yyS[yypt-5 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:829
 		{
-			yyVAL.statement = &Show{Type: "table", OnTable: yyDollar[5].tableName}
+			yyVAL.statement = &Show{Type: string(yyDollar[3].bytes)}
 		}
 	case 126:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:834
+		yyDollar = yyS[yypt-5 : yypt+1]
+//line sql.y:833
 		{
-			yyVAL.bytes = nil
+			yyVAL.statement = &Show{Type: "table", OnTable: yyDollar[5].tableName}
 		}
 	case 127:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:838
 		{
 			yyVAL.bytes = nil
 		}
 	case 128:
-		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:844
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:842
 		{
-			yyVAL.statement = &Show{Type: "table", OnTable: yyDollar[2].tableName}
+			yyVAL.bytes = nil
 		}
 	case 129:
 		yyDollar = yyS[yypt-2 : yypt+1]
@@ -2370,674 +2382,674 @@ yydefault:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:852
 		{
-			yyVAL.statement = &Explain{}
+			yyVAL.statement = &Show{Type: "table", OnTable: yyDollar[2].tableName}
 		}
 	case 131:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:856
+		{
+			yyVAL.statement = &Explain{}
+		}
+	case 132:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:857
+//line sql.y:861
 		{
 			setAllowComments(yylex, true)
 		}
-	case 132:
+	case 133:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:861
+//line sql.y:865
 		{
 			yyVAL.bytes2 = yyDollar[2].bytes2
 			setAllowComments(yylex, false)
 		}
-	case 133:
+	case 134:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:867
+//line sql.y:871
 		{
 			yyVAL.bytes2 = nil
 		}
-	case 134:
+	case 135:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:871
+//line sql.y:875
 		{
 			yyVAL.bytes2 = append(yyDollar[1].bytes2, yyDollar[2].bytes)
 		}
-	case 135:
+	case 136:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:877
+//line sql.y:881
 		{
 			yyVAL.str = UnionStr
 		}
-	case 136:
+	case 137:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:881
+//line sql.y:885
 		{
 			yyVAL.str = UnionAllStr
 		}
-	case 137:
+	case 138:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:886
+//line sql.y:890
 		{
 			yyVAL.str = ""
 		}
-	case 138:
+	case 139:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:890
+//line sql.y:894
 		{
 			yyVAL.str = DistinctStr
 		}
-	case 139:
+	case 140:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:895
+//line sql.y:899
 		{
 			yyVAL.selectExprs = nil
 		}
-	case 140:
+	case 141:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:899
+//line sql.y:903
 		{
 			yyVAL.selectExprs = yyDollar[1].selectExprs
 		}
-	case 141:
+	case 142:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:905
+//line sql.y:909
 		{
 			yyVAL.selectExprs = SelectExprs{yyDollar[1].selectExpr}
 		}
-	case 142:
+	case 143:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:909
+//line sql.y:913
 		{
 			yyVAL.selectExprs = append(yyVAL.selectExprs, yyDollar[3].selectExpr)
 		}
-	case 143:
+	case 144:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:915
+//line sql.y:919
 		{
 			yyVAL.selectExpr = &StarExpr{}
 		}
-	case 144:
+	case 145:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:919
+//line sql.y:923
 		{
 			yyVAL.selectExpr = &AliasedExpr{Expr: yyDollar[1].expr, As: yyDollar[2].colIdent}
 		}
-	case 145:
+	case 146:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:923
+//line sql.y:927
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Name: yyDollar[1].tableIdent}}
 		}
-	case 146:
+	case 147:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:927
+//line sql.y:931
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}}
 		}
-	case 147:
+	case 148:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:932
+//line sql.y:936
 		{
 			yyVAL.colIdent = ColIdent{}
 		}
-	case 148:
+	case 149:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:936
+//line sql.y:940
 		{
 			yyVAL.colIdent = yyDollar[1].colIdent
 		}
-	case 149:
+	case 150:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:940
+//line sql.y:944
 		{
 			yyVAL.colIdent = yyDollar[2].colIdent
 		}
-	case 151:
+	case 152:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:947
+//line sql.y:951
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 152:
+	case 153:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:953
+//line sql.y:957
 		{
 			yyVAL.tableExprs = yyDollar[2].tableExprs
 		}
-	case 153:
+	case 154:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:959
+//line sql.y:963
 		{
 			yyVAL.tableExprs = TableExprs{yyDollar[1].tableExpr}
 		}
-	case 154:
+	case 155:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:963
+//line sql.y:967
 		{
 			yyVAL.tableExprs = append(yyVAL.tableExprs, yyDollar[3].tableExpr)
 		}
-	case 157:
+	case 158:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:973
+//line sql.y:977
 		{
 			yyVAL.tableExpr = yyDollar[1].aliasedTableName
 		}
-	case 158:
+	case 159:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:977
+//line sql.y:981
 		{
 			yyVAL.tableExpr = &AliasedTableExpr{Expr: yyDollar[1].subquery}
 		}
-	case 159:
+	case 160:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:981
+//line sql.y:985
 		{
 			yyVAL.tableExpr = &AliasedTableExpr{Expr: yyDollar[1].subquery, As: yyDollar[3].tableIdent}
 		}
-	case 160:
+	case 161:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:985
+//line sql.y:989
 		{
 			yyVAL.tableExpr = &ParenTableExpr{Exprs: yyDollar[2].tableExprs}
 		}
-	case 161:
+	case 162:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:991
+//line sql.y:995
 		{
 			yyVAL.aliasedTableName = &AliasedTableExpr{Expr: yyDollar[1].tableName, As: yyDollar[2].tableIdent}
 		}
-	case 162:
+	case 163:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:997
+//line sql.y:1001
 		{
 			yyVAL.columns = Columns{yyDollar[1].colIdent}
 		}
-	case 163:
+	case 164:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1001
+//line sql.y:1005
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[3].colIdent)
 		}
-	case 164:
+	case 165:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1007
+//line sql.y:1011
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, Condition: yyDollar[4].joinCondition}
 		}
-	case 165:
+	case 166:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1011
+//line sql.y:1015
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, Condition: yyDollar[4].joinCondition}
 		}
-	case 166:
+	case 167:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1015
+//line sql.y:1019
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
-	case 167:
+	case 168:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1021
+//line sql.y:1025
 		{
 			yyVAL.joinCondition = JoinCondition{On: yyDollar[2].expr}
 		}
-	case 168:
+	case 169:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1023
+//line sql.y:1027
 		{
 			yyVAL.joinCondition = JoinCondition{Using: yyDollar[3].columns}
 		}
-	case 169:
+	case 170:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1027
+//line sql.y:1031
 		{
 			yyVAL.joinCondition = JoinCondition{}
 		}
-	case 170:
+	case 171:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1029
+//line sql.y:1033
 		{
 			yyVAL.joinCondition = yyDollar[1].joinCondition
 		}
-	case 171:
+	case 172:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1032
+//line sql.y:1036
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 172:
+	case 173:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1034
+//line sql.y:1038
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 173:
+	case 174:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1037
+//line sql.y:1041
 		{
 			yyVAL.tableIdent = NewTableIdent("")
 		}
-	case 174:
+	case 175:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1041
+//line sql.y:1045
 		{
 			yyVAL.tableIdent = yyDollar[1].tableIdent
 		}
-	case 175:
+	case 176:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1045
+//line sql.y:1049
 		{
 			yyVAL.tableIdent = yyDollar[2].tableIdent
 		}
-	case 177:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1052
-		{
-			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
-		}
 	case 178:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1058
+//line sql.y:1056
 		{
-			yyVAL.str = JoinStr
+			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
 	case 179:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1062
 		{
-			yyVAL.str = InnerJoinStr
+			yyVAL.str = JoinStr
 		}
 	case 180:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1066
 		{
-			yyVAL.str = CrossJoinStr
+			yyVAL.str = InnerJoinStr
 		}
 	case 181:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1072
+//line sql.y:1070
 		{
-			yyVAL.str = LeftJoinStr
+			yyVAL.str = CrossJoinStr
 		}
 	case 182:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1076
 		{
 			yyVAL.str = LeftJoinStr
 		}
 	case 183:
-		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1082
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1080
 		{
-			yyVAL.str = NaturalJoinStr
+			yyVAL.str = LeftJoinStr
 		}
 	case 184:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1086
 		{
-			yyVAL.str = NaturalLeftJoinStr
+			yyVAL.str = NaturalJoinStr
 		}
 	case 185:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1092
+//line sql.y:1090
 		{
-			yyVAL.tableName = yyDollar[2].tableName
+			yyVAL.str = NaturalLeftJoinStr
 		}
 	case 186:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1096
 		{
-			yyVAL.tableName = yyDollar[1].tableName
+			yyVAL.tableName = yyDollar[2].tableName
 		}
 	case 187:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1102
+//line sql.y:1100
 		{
-			yyVAL.tableName = TableName{Name: yyDollar[1].tableIdent}
+			yyVAL.tableName = yyDollar[1].tableName
 		}
 	case 188:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1106
 		{
-			yyVAL.tableName = TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}
+			yyVAL.tableName = TableName{Name: yyDollar[1].tableIdent}
 		}
 	case 189:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1111
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1110
 		{
-			yyVAL.expr = nil
+			yyVAL.tableName = TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}
 		}
 	case 190:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:1115
 		{
-			yyVAL.expr = yyDollar[2].expr
+			yyVAL.expr = nil
 		}
 	case 191:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1121
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1119
 		{
-			yyVAL.expr = yyDollar[1].expr
+			yyVAL.expr = yyDollar[2].expr
 		}
 	case 192:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1125
 		{
-			yyVAL.expr = &AndExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
+			yyVAL.expr = yyDollar[1].expr
 		}
 	case 193:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1129
 		{
-			yyVAL.expr = &OrExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
+			yyVAL.expr = &AndExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
 	case 194:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1133
 		{
-			yyVAL.expr = &NotExpr{Expr: yyDollar[2].expr}
+			yyVAL.expr = &OrExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
 	case 195:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1137
 		{
-			yyVAL.expr = &IsExpr{Operator: yyDollar[3].str, Expr: yyDollar[1].expr}
+			yyVAL.expr = &NotExpr{Expr: yyDollar[2].expr}
 		}
 	case 196:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1141
 		{
-			yyVAL.expr = yyDollar[1].expr
+			yyVAL.expr = &IsExpr{Operator: yyDollar[3].str, Expr: yyDollar[1].expr}
 		}
 	case 197:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1147
+//line sql.y:1145
 		{
-			yyVAL.boolVal = BoolVal(true)
+			yyVAL.expr = yyDollar[1].expr
 		}
 	case 198:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1151
 		{
-			yyVAL.boolVal = BoolVal(false)
+			yyVAL.boolVal = BoolVal(true)
 		}
 	case 199:
-		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1157
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1155
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: yyDollar[2].str, Right: yyDollar[3].expr}
+			yyVAL.boolVal = BoolVal(false)
 		}
 	case 200:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1161
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: InStr, Right: yyDollar[3].colTuple}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: yyDollar[2].str, Right: yyDollar[3].expr}
 		}
 	case 201:
-		yyDollar = yyS[yypt-4 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1165
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotInStr, Right: yyDollar[4].colTuple}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: InStr, Right: yyDollar[3].colTuple}
 		}
 	case 202:
 		yyDollar = yyS[yypt-4 : yypt+1]
 //line sql.y:1169
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: LikeStr, Right: yyDollar[3].expr, Escape: yyDollar[4].expr}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotInStr, Right: yyDollar[4].colTuple}
 		}
 	case 203:
-		yyDollar = yyS[yypt-5 : yypt+1]
+		yyDollar = yyS[yypt-4 : yypt+1]
 //line sql.y:1173
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotLikeStr, Right: yyDollar[4].expr, Escape: yyDollar[5].expr}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: LikeStr, Right: yyDollar[3].expr, Escape: yyDollar[4].expr}
 		}
 	case 204:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-5 : yypt+1]
 //line sql.y:1177
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: RegexpStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotLikeStr, Right: yyDollar[4].expr, Escape: yyDollar[5].expr}
 		}
 	case 205:
-		yyDollar = yyS[yypt-4 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1181
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotRegexpStr, Right: yyDollar[4].expr}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: RegexpStr, Right: yyDollar[3].expr}
 		}
 	case 206:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-4 : yypt+1]
 //line sql.y:1185
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: MatchStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotRegexpStr, Right: yyDollar[4].expr}
 		}
 	case 207:
-		yyDollar = yyS[yypt-4 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1189
 		{
-			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotMatchStr, Right: yyDollar[4].expr}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: MatchStr, Right: yyDollar[3].expr}
 		}
 	case 208:
-		yyDollar = yyS[yypt-5 : yypt+1]
+		yyDollar = yyS[yypt-4 : yypt+1]
 //line sql.y:1193
 		{
-			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: BetweenStr, From: yyDollar[3].expr, To: yyDollar[5].expr}
+			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotMatchStr, Right: yyDollar[4].expr}
 		}
 	case 209:
-		yyDollar = yyS[yypt-6 : yypt+1]
+		yyDollar = yyS[yypt-5 : yypt+1]
 //line sql.y:1197
 		{
-			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: NotBetweenStr, From: yyDollar[4].expr, To: yyDollar[6].expr}
+			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: BetweenStr, From: yyDollar[3].expr, To: yyDollar[5].expr}
 		}
 	case 210:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-6 : yypt+1]
 //line sql.y:1201
 		{
-			yyVAL.expr = &ExistsExpr{Subquery: yyDollar[2].subquery}
+			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: NotBetweenStr, From: yyDollar[4].expr, To: yyDollar[6].expr}
 		}
 	case 211:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1207
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1205
 		{
-			yyVAL.str = IsNullStr
+			yyVAL.expr = &ExistsExpr{Subquery: yyDollar[2].subquery}
 		}
 	case 212:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1211
 		{
-			yyVAL.str = IsNotNullStr
+			yyVAL.str = IsNullStr
 		}
 	case 213:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1215
 		{
-			yyVAL.str = IsTrueStr
+			yyVAL.str = IsNotNullStr
 		}
 	case 214:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1219
 		{
-			yyVAL.str = IsNotTrueStr
+			yyVAL.str = IsTrueStr
 		}
 	case 215:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1223
 		{
-			yyVAL.str = IsFalseStr
+			yyVAL.str = IsNotTrueStr
 		}
 	case 216:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1227
 		{
-			yyVAL.str = IsNotFalseStr
+			yyVAL.str = IsFalseStr
 		}
 	case 217:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1233
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1231
 		{
-			yyVAL.str = EqualStr
+			yyVAL.str = IsNotFalseStr
 		}
 	case 218:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1237
 		{
-			yyVAL.str = LessThanStr
+			yyVAL.str = EqualStr
 		}
 	case 219:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1241
 		{
-			yyVAL.str = GreaterThanStr
+			yyVAL.str = LessThanStr
 		}
 	case 220:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1245
 		{
-			yyVAL.str = LessEqualStr
+			yyVAL.str = GreaterThanStr
 		}
 	case 221:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1249
 		{
-			yyVAL.str = GreaterEqualStr
+			yyVAL.str = LessEqualStr
 		}
 	case 222:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1253
 		{
-			yyVAL.str = NotEqualStr
+			yyVAL.str = GreaterEqualStr
 		}
 	case 223:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1257
 		{
-			yyVAL.str = NullSafeNotEqualStr
+			yyVAL.str = NotEqualStr
 		}
 	case 224:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1262
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1261
 		{
-			yyVAL.expr = nil
+			yyVAL.str = NullSafeNotEqualStr
 		}
 	case 225:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:1266
 		{
-			yyVAL.expr = yyDollar[2].expr
+			yyVAL.expr = nil
 		}
 	case 226:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1272
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1270
 		{
-			yyVAL.colTuple = yyDollar[1].valTuple
+			yyVAL.expr = yyDollar[2].expr
 		}
 	case 227:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1276
 		{
-			yyVAL.colTuple = yyDollar[1].subquery
+			yyVAL.colTuple = yyDollar[1].valTuple
 		}
 	case 228:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1280
 		{
-			yyVAL.colTuple = ListArg(yyDollar[1].bytes)
+			yyVAL.colTuple = yyDollar[1].subquery
 		}
 	case 229:
-		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1286
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1284
 		{
-			yyVAL.subquery = &Subquery{yyDollar[2].selStmt}
+			yyVAL.colTuple = ListArg(yyDollar[1].bytes)
 		}
 	case 230:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1292
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1290
 		{
-			yyVAL.exprs = Exprs{yyDollar[1].expr}
+			yyVAL.subquery = &Subquery{yyDollar[2].selStmt}
 		}
 	case 231:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1296
 		{
-			yyVAL.exprs = append(yyDollar[1].exprs, yyDollar[3].expr)
+			yyVAL.exprs = Exprs{yyDollar[1].expr}
 		}
 	case 232:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1302
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1300
 		{
-			yyVAL.expr = yyDollar[1].expr
+			yyVAL.exprs = append(yyDollar[1].exprs, yyDollar[3].expr)
 		}
 	case 233:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1306
 		{
-			yyVAL.expr = yyDollar[1].boolVal
+			yyVAL.expr = yyDollar[1].expr
 		}
 	case 234:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1310
 		{
-			yyVAL.expr = yyDollar[1].colName
+			yyVAL.expr = yyDollar[1].boolVal
 		}
 	case 235:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1314
 		{
-			yyVAL.expr = yyDollar[1].expr
+			yyVAL.expr = yyDollar[1].colName
 		}
 	case 236:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1318
 		{
-			yyVAL.expr = yyDollar[1].subquery
+			yyVAL.expr = yyDollar[1].expr
 		}
 	case 237:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1322
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitAndStr, Right: yyDollar[3].expr}
+			yyVAL.expr = yyDollar[1].subquery
 		}
 	case 238:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1326
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitOrStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitAndStr, Right: yyDollar[3].expr}
 		}
 	case 239:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1330
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitXorStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitOrStr, Right: yyDollar[3].expr}
 		}
 	case 240:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1334
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: PlusStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitXorStr, Right: yyDollar[3].expr}
 		}
 	case 241:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1338
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MinusStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: PlusStr, Right: yyDollar[3].expr}
 		}
 	case 242:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1342
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MultStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MinusStr, Right: yyDollar[3].expr}
 		}
 	case 243:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1346
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: DivStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MultStr, Right: yyDollar[3].expr}
 		}
 	case 244:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1350
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: IntDivStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: DivStr, Right: yyDollar[3].expr}
 		}
 	case 245:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1354
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: IntDivStr, Right: yyDollar[3].expr}
 		}
 	case 246:
 		yyDollar = yyS[yypt-3 : yypt+1]
@@ -3049,17 +3061,23 @@ yydefault:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1362
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftLeftStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
 	case 248:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1366
 		{
-			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftRightStr, Right: yyDollar[3].expr}
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftLeftStr, Right: yyDollar[3].expr}
 		}
 	case 249:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:1370
+		{
+			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftRightStr, Right: yyDollar[3].expr}
+		}
+	case 250:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1374
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				yyVAL.expr = num
@@ -3067,9 +3085,9 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UPlusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 250:
+	case 251:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1378
+//line sql.y:1382
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				// Handle double negative
@@ -3083,21 +3101,21 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UMinusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 251:
+	case 252:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1392
+//line sql.y:1396
 		{
 			yyVAL.expr = &UnaryExpr{Operator: TildaStr, Expr: yyDollar[2].expr}
 		}
-	case 252:
+	case 253:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1396
+//line sql.y:1400
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BangStr, Expr: yyDollar[2].expr}
 		}
-	case 253:
+	case 254:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1400
+//line sql.y:1404
 		{
 			// This rule prevents the usage of INTERVAL
 			// as a function. If support is needed for that,
@@ -3105,124 +3123,118 @@ yydefault:
 			// will be non-trivial because of grammar conflicts.
 			yyVAL.expr = &IntervalExpr{Expr: yyDollar[2].expr, Unit: yyDollar[3].colIdent.String()}
 		}
-	case 258:
+	case 259:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1418
+//line sql.y:1422
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Exprs: yyDollar[3].selectExprs}
 		}
-	case 259:
+	case 260:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1422
+//line sql.y:1426
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Distinct: true, Exprs: yyDollar[4].selectExprs}
 		}
-	case 260:
+	case 261:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1426
+//line sql.y:1430
 		{
 			yyVAL.expr = &FuncExpr{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].colIdent, Exprs: yyDollar[5].selectExprs}
 		}
-	case 261:
+	case 262:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1436
+//line sql.y:1440
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 262:
+	case 263:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1440
+//line sql.y:1444
 		{
 			yyVAL.expr = &GroupConcatExpr{Distinct: yyDollar[3].str, Exprs: yyDollar[4].selectExprs, OrderBy: yyDollar[5].orderBy, Separator: yyDollar[6].str}
 		}
-	case 263:
+	case 264:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1444
+//line sql.y:1448
 		{
 			yyVAL.expr = &CaseExpr{Expr: yyDollar[2].expr, Whens: yyDollar[3].whens, Else: yyDollar[4].expr}
 		}
-	case 264:
+	case 265:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1448
+//line sql.y:1452
 		{
 			yyVAL.expr = &ValuesFuncExpr{Name: yyDollar[3].colName}
 		}
-	case 265:
+	case 266:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1458
+//line sql.y:1462
 		{
 			yyVAL.expr = &TimeExpr{Expr: NewColIdent("current_timestamp")}
 		}
-	case 266:
+	case 267:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1463
+//line sql.y:1467
 		{
 			yyVAL.expr = &TimeExpr{Expr: NewColIdent("current_date")}
 		}
-	case 267:
+	case 268:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1468
+//line sql.y:1472
 		{
 			yyVAL.expr = &TimeExpr{Expr: NewColIdent("current_time")}
 		}
-	case 268:
-		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1478
-		{
-			yyVAL.expr = &FuncExpr{Name: NewColIdent("if"), Exprs: yyDollar[3].selectExprs}
-		}
 	case 269:
 		yyDollar = yyS[yypt-4 : yypt+1]
 //line sql.y:1482
 		{
-			yyVAL.expr = &FuncExpr{Name: NewColIdent("mod"), Exprs: yyDollar[3].selectExprs}
+			yyVAL.expr = &FuncExpr{Name: NewColIdent("if"), Exprs: yyDollar[3].selectExprs}
 		}
 	case 270:
 		yyDollar = yyS[yypt-4 : yypt+1]
 //line sql.y:1486
 		{
-			yyVAL.expr = &FuncExpr{Name: NewColIdent("replace"), Exprs: yyDollar[3].selectExprs}
+			yyVAL.expr = &FuncExpr{Name: NewColIdent("mod"), Exprs: yyDollar[3].selectExprs}
 		}
 	case 271:
-		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1492
+		yyDollar = yyS[yypt-4 : yypt+1]
+//line sql.y:1490
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
+			yyVAL.expr = &FuncExpr{Name: NewColIdent("replace"), Exprs: yyDollar[3].selectExprs}
 		}
 	case 272:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1496
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 273:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1500
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
 	case 274:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1504
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
-			yyVAL.convertType.Length = yyDollar[2].LengthScaleOption.Length
-			yyVAL.convertType.Scale = yyDollar[2].LengthScaleOption.Scale
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 275:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1510
+//line sql.y:1508
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
+			yyVAL.convertType.Length = yyDollar[2].LengthScaleOption.Length
+			yyVAL.convertType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
 	case 276:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1514
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 277:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1518
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
@@ -3231,16 +3243,16 @@ yydefault:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1522
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
 	case 279:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1526
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 280:
-		yyDollar = yyS[yypt-2 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1530
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
@@ -3249,7 +3261,7 @@ yydefault:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1534
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
 	case 282:
 		yyDollar = yyS[yypt-2 : yypt+1]
@@ -3282,340 +3294,346 @@ yydefault:
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 287:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:1558
 		{
-			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 288:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1562
+		{
+			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
+		}
+	case 289:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1563
+//line sql.y:1567
 		{
 			yyVAL.expr = nil
 		}
-	case 289:
+	case 290:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1567
+//line sql.y:1571
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 290:
+	case 291:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1572
+//line sql.y:1576
 		{
 			yyVAL.str = string("")
 		}
-	case 291:
+	case 292:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1576
+//line sql.y:1580
 		{
 			yyVAL.str = " separator '" + string(yyDollar[2].bytes) + "'"
 		}
-	case 292:
+	case 293:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1582
+//line sql.y:1586
 		{
 			yyVAL.whens = []*When{yyDollar[1].when}
 		}
-	case 293:
+	case 294:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1586
+//line sql.y:1590
 		{
 			yyVAL.whens = append(yyDollar[1].whens, yyDollar[2].when)
 		}
-	case 294:
+	case 295:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1592
+//line sql.y:1596
 		{
 			yyVAL.when = &When{Cond: yyDollar[2].expr, Val: yyDollar[4].expr}
 		}
-	case 295:
+	case 296:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1597
+//line sql.y:1601
 		{
 			yyVAL.expr = nil
 		}
-	case 296:
+	case 297:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1601
+//line sql.y:1605
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 297:
+	case 298:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1607
+//line sql.y:1611
 		{
 			yyVAL.colName = &ColName{Name: yyDollar[1].colIdent}
 		}
-	case 298:
+	case 299:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1611
+//line sql.y:1615
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Name: yyDollar[1].tableIdent}, Name: yyDollar[3].colIdent}
 		}
-	case 299:
+	case 300:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1615
+//line sql.y:1619
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}, Name: yyDollar[5].colIdent}
 		}
-	case 300:
+	case 301:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1621
+//line sql.y:1625
 		{
 			yyVAL.colName = &ColName{Name: yyDollar[1].colIdent}
 		}
-	case 301:
+	case 302:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1625
+//line sql.y:1629
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Name: yyDollar[1].tableIdent}, Name: yyDollar[3].colIdent}
 		}
-	case 302:
+	case 303:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1629
+//line sql.y:1633
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}, Name: yyDollar[5].colIdent}
 		}
-	case 303:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1635
-		{
-			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
-		}
 	case 304:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1639
 		{
-			yyVAL.expr = NewHexVal(yyDollar[1].bytes)
+			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
 	case 305:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1643
 		{
-			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
+			yyVAL.expr = NewHexVal(yyDollar[1].bytes)
 		}
 	case 306:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1647
 		{
-			yyVAL.expr = NewFloatVal(yyDollar[1].bytes)
+			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
 	case 307:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1651
 		{
-			yyVAL.expr = NewHexNum(yyDollar[1].bytes)
+			yyVAL.expr = NewFloatVal(yyDollar[1].bytes)
 		}
 	case 308:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1655
 		{
-			yyVAL.expr = NewValArg(yyDollar[1].bytes)
+			yyVAL.expr = NewHexNum(yyDollar[1].bytes)
 		}
 	case 309:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1659
 		{
-			yyVAL.expr = NewPosArg(yyDollar[1].bytes)
+			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
 	case 310:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1663
 		{
-			yyVAL.expr = &NullVal{}
+			yyVAL.expr = NewPosArg(yyDollar[1].bytes)
 		}
 	case 311:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1667
+		{
+			yyVAL.expr = &NullVal{}
+		}
+	case 312:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1668
+//line sql.y:1672
 		{
 			yyVAL.exprs = nil
 		}
-	case 312:
+	case 313:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1672
+//line sql.y:1676
 		{
 			yyVAL.exprs = yyDollar[3].exprs
 		}
-	case 313:
+	case 314:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1677
+//line sql.y:1681
 		{
 			yyVAL.expr = nil
 		}
-	case 314:
+	case 315:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1681
+//line sql.y:1685
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 315:
+	case 316:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1686
+//line sql.y:1690
 		{
 			yyVAL.orderBy = nil
 		}
-	case 316:
+	case 317:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1690
+//line sql.y:1694
 		{
 			yyVAL.orderBy = yyDollar[3].orderBy
 		}
-	case 317:
+	case 318:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1696
+//line sql.y:1700
 		{
 			yyVAL.orderBy = OrderBy{yyDollar[1].order}
 		}
-	case 318:
+	case 319:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1700
+//line sql.y:1704
 		{
 			yyVAL.orderBy = append(yyDollar[1].orderBy, yyDollar[3].order)
 		}
-	case 319:
+	case 320:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1706
+//line sql.y:1710
 		{
 			yyVAL.order = &Order{Expr: yyDollar[1].expr, Direction: yyDollar[2].str}
 		}
-	case 320:
+	case 321:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1711
+//line sql.y:1715
 		{
 			yyVAL.str = AscScr
 		}
-	case 321:
+	case 322:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1715
+//line sql.y:1719
 		{
 			yyVAL.str = AscScr
 		}
-	case 322:
+	case 323:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1719
+//line sql.y:1723
 		{
 			yyVAL.str = DescScr
 		}
-	case 323:
+	case 324:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1724
+//line sql.y:1728
 		{
 			yyVAL.limit = nil
 		}
-	case 324:
+	case 325:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1728
+//line sql.y:1732
 		{
 			yyVAL.limit = &Limit{Rowcount: yyDollar[2].expr}
 		}
-	case 325:
+	case 326:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1732
+//line sql.y:1736
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[2].expr, Rowcount: yyDollar[4].expr}
 		}
-	case 326:
+	case 327:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1736
+//line sql.y:1740
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[4].expr, Rowcount: yyDollar[2].expr}
 		}
-	case 327:
+	case 328:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1749
+//line sql.y:1753
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[2].values}
 		}
-	case 328:
+	case 329:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1753
+//line sql.y:1757
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[1].selStmt}
 		}
-	case 329:
+	case 330:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1757
+//line sql.y:1761
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Rows: yyDollar[2].selStmt}
 		}
-	case 330:
+	case 331:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1762
+//line sql.y:1766
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].values}
 		}
-	case 331:
+	case 332:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1766
+//line sql.y:1770
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[4].selStmt}
 		}
-	case 332:
+	case 333:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1770
+//line sql.y:1774
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].selStmt}
 		}
-	case 333:
+	case 334:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1777
+//line sql.y:1781
 		{
 			yyVAL.columns = Columns{yyDollar[1].colIdent}
 		}
-	case 334:
+	case 335:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1781
+//line sql.y:1785
 		{
 			yyVAL.columns = Columns{yyDollar[3].colIdent}
 		}
-	case 335:
+	case 336:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1785
+//line sql.y:1789
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[3].colIdent)
 		}
-	case 336:
+	case 337:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1789
+//line sql.y:1793
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[5].colIdent)
 		}
-	case 337:
+	case 338:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1795
+//line sql.y:1799
 		{
 			yyVAL.values = Values{yyDollar[1].valTuple}
 		}
-	case 338:
+	case 339:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1799
+//line sql.y:1803
 		{
 			yyVAL.values = append(yyDollar[1].values, yyDollar[3].valTuple)
 		}
-	case 339:
+	case 340:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1805
+//line sql.y:1809
 		{
 			yyVAL.valTuple = yyDollar[1].valTuple
 		}
-	case 340:
+	case 341:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1809
+//line sql.y:1813
 		{
 			yyVAL.valTuple = ValTuple{}
 		}
-	case 341:
+	case 342:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1815
+//line sql.y:1819
 		{
 			yyVAL.valTuple = ValTuple(yyDollar[2].exprs)
 		}
-	case 342:
+	case 343:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1821
+//line sql.y:1825
 		{
 			if len(yyDollar[1].valTuple) == 1 {
 				yyVAL.expr = &ParenExpr{yyDollar[1].valTuple[0]}
@@ -3623,75 +3641,69 @@ yydefault:
 				yyVAL.expr = yyDollar[1].valTuple
 			}
 		}
-	case 343:
+	case 344:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1831
+//line sql.y:1835
 		{
 			yyVAL.updateExprs = UpdateExprs{yyDollar[1].updateExpr}
 		}
-	case 344:
+	case 345:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1835
+//line sql.y:1839
 		{
 			yyVAL.updateExprs = append(yyDollar[1].updateExprs, yyDollar[3].updateExpr)
 		}
-	case 345:
+	case 346:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1841
+//line sql.y:1845
 		{
 			yyVAL.updateExpr = &UpdateExpr{Name: yyDollar[1].colName, Expr: yyDollar[3].expr}
 		}
-	case 346:
+	case 347:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1846
+//line sql.y:1850
 		{
 			yyVAL.byt = 0
 		}
-	case 347:
+	case 348:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1848
+//line sql.y:1852
 		{
 			yyVAL.byt = 1
 		}
-	case 348:
+	case 349:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1851
+//line sql.y:1855
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 349:
+	case 350:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1853
+//line sql.y:1857
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 350:
+	case 351:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1856
+//line sql.y:1860
 		{
 			yyVAL.str = ""
 		}
-	case 351:
+	case 352:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1858
+//line sql.y:1862
 		{
 			yyVAL.str = IgnoreStr
 		}
-	case 352:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1861
-		{
-			yyVAL.empty = struct{}{}
-		}
 	case 353:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1863
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:1865
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 354:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1865
+//line sql.y:1867
 		{
 			yyVAL.empty = struct{}{}
 		}
@@ -3699,7 +3711,7 @@ yydefault:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:1869
 		{
-			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
+			yyVAL.empty = struct{}{}
 		}
 	case 356:
 		yyDollar = yyS[yypt-1 : yypt+1]
@@ -3707,17 +3719,17 @@ yydefault:
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 358:
+	case 357:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1880
+//line sql.y:1877
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 359:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1886
+//line sql.y:1884
 		{
-			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
+			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 360:
 		yyDollar = yyS[yypt-1 : yypt+1]
@@ -3725,41 +3737,41 @@ yydefault:
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 362:
+	case 361:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1894
+		{
+			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
+		}
+	case 363:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1897
+//line sql.y:1901
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 472:
+	case 473:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2032
+//line sql.y:2036
 		{
 			if incNesting(yylex) {
 				yylex.Error("max nesting level reached")
 				return 1
 			}
 		}
-	case 473:
+	case 474:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2041
+//line sql.y:2045
 		{
 			decNesting(yylex)
 		}
-	case 474:
-		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2046
-		{
-			forceEOF(yylex)
-		}
 	case 475:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2051
+//line sql.y:2050
 		{
 			forceEOF(yylex)
 		}
 	case 476:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:2055
 		{
 			forceEOF(yylex)
@@ -3770,6 +3782,12 @@ yydefault:
 		{
 			forceEOF(yylex)
 		}
+	case 478:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:2063
+		{
+			forceEOF(yylex)
+		}
 	}
 	goto yystack /* stack new state and value */
 }
diff --git a/sql.y b/sql.y
index e85044f..3b99380 100644
--- a/sql.y
+++ b/sql.y
@@ -565,6 +565,10 @@ float_length_opt:
   {
     $$ = LengthScaleOption{}
   }
+| '(' INTEGRAL ')'
+  {
+    $$ = LengthScaleOption{Length: NewIntVal($2)}
+  }
 | '(' INTEGRAL ',' INTEGRAL ')'
   {
     $$ = LengthScaleOption{