Make without a valid metric identifier (#7533)

Discussion see #7532.

cc @juliusv

Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>

promql/parser/generated_parser.y

@@ -536,7 +536,7 @@ metric          : metric_identifier label_set
                 ;
 
 
-metric_identifier: AVG | BOTTOMK | BY | COUNT | COUNT_VALUES | GROUP | IDENTIFIER |  LAND | LOR | LUNLESS | MAX | METRIC_IDENTIFIER | MIN | OFFSET | QUANTILE | STDDEV | STDVAR | SUM | TOPK;
+metric_identifier: AVG | BOTTOMK | BY | COUNT | COUNT_VALUES | GROUP | IDENTIFIER |  LAND | LOR | LUNLESS | MAX | METRIC_IDENTIFIER | MIN | OFFSET | QUANTILE | STDDEV | STDVAR | SUM | TOPK | WITHOUT;
 
 label_set       : LEFT_BRACE label_set_list RIGHT_BRACE
                         { $$ = labels.New($2...) }

promql/parser/generated_parser.y.go

@@ -192,241 +192,248 @@ var yyExca = [...]int{
 	-1, 1,
 	1, -1,
 	-2, 0,
-	-1, 32,
-	1, 120,
-	10, 120,
-	22, 120,
+	-1, 33,
+	1, 121,
+	10, 121,
+	22, 121,
 	-2, 0,
-	-1, 54,
-	2, 132,
-	15, 132,
-	60, 132,
-	66, 132,
-	-2, 89,
 	-1, 55,
 	2, 133,
 	15, 133,
 	60, 133,
 	66, 133,
-	-2, 90,
+	-2, 89,
 	-1, 56,
 	2, 134,
 	15, 134,
 	60, 134,
 	66, 134,
-	-2, 92,
+	-2, 90,
 	-1, 57,
 	2, 135,
 	15, 135,
 	60, 135,
 	66, 135,
-	-2, 93,
+	-2, 92,
 	-1, 58,
 	2, 136,
 	15, 136,
 	60, 136,
 	66, 136,
-	-2, 94,
+	-2, 93,
 	-1, 59,
 	2, 137,
 	15, 137,
 	60, 137,
 	66, 137,
-	-2, 99,
+	-2, 94,
 	-1, 60,
 	2, 138,
 	15, 138,
 	60, 138,
 	66, 138,
-	-2, 101,
+	-2, 99,
 	-1, 61,
 	2, 139,
 	15, 139,
 	60, 139,
 	66, 139,
-	-2, 103,
+	-2, 101,
 	-1, 62,
 	2, 140,
 	15, 140,
 	60, 140,
 	66, 140,
-	-2, 104,
+	-2, 103,
 	-1, 63,
 	2, 141,
 	15, 141,
 	60, 141,
 	66, 141,
-	-2, 105,
+	-2, 104,
 	-1, 64,
 	2, 142,
 	15, 142,
 	60, 142,
 	66, 142,
-	-2, 106,
+	-2, 105,
 	-1, 65,
 	2, 143,
 	15, 143,
 	60, 143,
 	66, 143,
+	-2, 106,
+	-1, 66,
+	2, 144,
+	15, 144,
+	60, 144,
+	66, 144,
 	-2, 107,
-	-1, 175,
-	12, 183,
-	13, 183,
-	16, 183,
-	17, 183,
-	23, 183,
-	26, 183,
-	32, 183,
-	33, 183,
-	36, 183,
-	42, 183,
-	45, 183,
-	46, 183,
-	47, 183,
-	48, 183,
-	49, 183,
-	50, 183,
-	51, 183,
-	52, 183,
-	53, 183,
-	54, 183,
-	55, 183,
-	56, 183,
-	60, 183,
-	64, 183,
-	-2, 0,
 	-1, 176,
-	12, 183,
-	13, 183,
-	16, 183,
-	17, 183,
-	23, 183,
-	26, 183,
-	32, 183,
-	33, 183,
-	36, 183,
-	42, 183,
-	45, 183,
-	46, 183,
-	47, 183,
-	48, 183,
-	49, 183,
-	50, 183,
-	51, 183,
-	52, 183,
-	53, 183,
-	54, 183,
-	55, 183,
-	56, 183,
-	60, 183,
-	64, 183,
+	12, 184,
+	13, 184,
+	16, 184,
+	17, 184,
+	23, 184,
+	26, 184,
+	32, 184,
+	33, 184,
+	36, 184,
+	42, 184,
+	45, 184,
+	46, 184,
+	47, 184,
+	48, 184,
+	49, 184,
+	50, 184,
+	51, 184,
+	52, 184,
+	53, 184,
+	54, 184,
+	55, 184,
+	56, 184,
+	60, 184,
+	64, 184,
+	66, 184,
 	-2, 0,
-	-1, 192,
-	19, 181,
+	-1, 177,
+	12, 184,
+	13, 184,
+	16, 184,
+	17, 184,
+	23, 184,
+	26, 184,
+	32, 184,
+	33, 184,
+	36, 184,
+	42, 184,
+	45, 184,
+	46, 184,
+	47, 184,
+	48, 184,
+	49, 184,
+	50, 184,
+	51, 184,
+	52, 184,
+	53, 184,
+	54, 184,
+	55, 184,
+	56, 184,
+	60, 184,
+	64, 184,
+	66, 184,
 	-2, 0,
-	-1, 240,
+	-1, 193,
 	19, 182,
 	-2, 0,
+	-1, 241,
+	19, 183,
+	-2, 0,
 }
 
 const yyPrivate = 57344
 
-const yyLast = 543
+const yyLast = 598
 
 var yyAct = [...]int{
 
-	246, 196, 34, 135, 236, 237, 167, 168, 107, 73,
-	98, 96, 95, 175, 176, 120, 99, 198, 173, 230,
-	174, 170, 249, 97, 114, 229, 115, 208, 228, 53,
-	109, 214, 162, 250, 247, 252, 100, 171, 100, 244,
-	108, 169, 224, 6, 243, 68, 225, 210, 211, 227,
-	113, 212, 102, 161, 103, 223, 94, 242, 116, 101,
-	199, 201, 203, 204, 205, 213, 215, 218, 219, 220,
-	221, 222, 94, 30, 200, 202, 206, 207, 209, 216,
-	217, 98, 104, 91, 78, 79, 80, 99, 81, 82,
-	83, 84, 85, 86, 87, 88, 89, 90, 138, 91,
-	92, 144, 7, 148, 142, 145, 93, 140, 241, 141,
-	2, 3, 4, 5, 143, 137, 139, 251, 77, 172,
-	31, 160, 93, 137, 177, 178, 179, 180, 181, 182,
-	183, 184, 185, 186, 187, 188, 189, 190, 121, 122,
+	247, 197, 35, 136, 237, 238, 168, 169, 108, 74,
+	97, 96, 99, 174, 121, 175, 98, 250, 100, 176,
+	177, 230, 95, 54, 231, 229, 171, 48, 69, 101,
+	50, 22, 49, 163, 245, 148, 251, 248, 51, 244,
+	116, 67, 172, 6, 170, 101, 228, 18, 19, 92,
+	115, 20, 243, 103, 162, 104, 69, 68, 117, 102,
+	55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
+	65, 66, 94, 95, 99, 13, 114, 105, 31, 24,
+	100, 30, 7, 252, 8, 79, 80, 81, 33, 82,
+	83, 84, 85, 86, 87, 88, 89, 90, 91, 139,
+	92, 93, 225, 145, 149, 143, 146, 141, 110, 142,
+	2, 3, 4, 5, 242, 224, 144, 78, 109, 32,
+	173, 138, 161, 94, 226, 178, 179, 180, 181, 182,
+	183, 184, 185, 186, 187, 188, 189, 190, 191, 122,
 	123, 124, 125, 126, 127, 128, 129, 130, 131, 132,
-	133, 134, 1, 193, 198, 164, 154, 192, 152, 75,
-	226, 10, 166, 151, 208, 239, 44, 169, 214, 74,
-	191, 70, 195, 231, 150, 159, 170, 232, 233, 234,
-	235, 238, 155, 157, 210, 211, 43, 52, 212, 45,
-	9, 9, 171, 156, 158, 69, 240, 199, 201, 203,
-	204, 205, 213, 215, 218, 219, 220, 221, 222, 42,
-	41, 200, 202, 206, 207, 209, 216, 217, 47, 68,
-	112, 49, 22, 48, 109, 111, 147, 245, 136, 50,
-	119, 248, 66, 75, 108, 137, 110, 8, 18, 19,
-	106, 32, 20, 74, 40, 253, 39, 38, 67, 72,
-	254, 54, 55, 56, 57, 58, 59, 60, 61, 62,
-	63, 64, 65, 117, 146, 37, 13, 118, 36, 33,
-	24, 47, 68, 35, 49, 22, 48, 165, 76, 163,
-	194, 71, 50, 51, 197, 66, 153, 46, 105, 0,
-	0, 18, 19, 0, 0, 20, 0, 0, 0, 0,
-	0, 67, 0, 0, 54, 55, 56, 57, 58, 59,
-	60, 61, 62, 63, 64, 65, 0, 47, 68, 13,
-	49, 22, 48, 24, 0, 0, 0, 0, 50, 0,
-	0, 66, 0, 0, 0, 0, 0, 18, 19, 0,
-	0, 20, 17, 68, 0, 0, 22, 67, 0, 0,
-	54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
-	64, 65, 18, 19, 0, 13, 20, 17, 30, 24,
-	0, 22, 0, 0, 0, 11, 12, 14, 15, 16,
-	21, 23, 25, 26, 27, 28, 29, 18, 19, 0,
-	13, 20, 0, 0, 24, 0, 0, 0, 0, 0,
+	133, 134, 135, 153, 46, 140, 10, 137, 152, 1,
+	70, 227, 138, 155, 138, 240, 71, 45, 44, 151,
+	34, 95, 48, 69, 232, 50, 22, 49, 233, 234,
+	235, 236, 239, 51, 80, 43, 67, 194, 42, 156,
+	158, 193, 18, 19, 89, 90, 20, 241, 92, 120,
+	157, 159, 68, 41, 192, 55, 56, 57, 58, 59,
+	60, 61, 62, 63, 64, 65, 66, 40, 165, 76,
+	13, 94, 39, 118, 24, 167, 30, 147, 246, 75,
+	170, 38, 249, 48, 69, 160, 50, 22, 49, 171,
+	113, 119, 110, 37, 51, 112, 254, 67, 36, 76,
+	166, 255, 109, 18, 19, 172, 111, 20, 107, 75,
+	77, 164, 195, 68, 72, 73, 55, 56, 57, 58,
+	59, 60, 61, 62, 63, 64, 65, 66, 199, 53,
+	52, 13, 9, 9, 198, 24, 154, 30, 209, 47,
+	106, 0, 215, 0, 0, 0, 253, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 211, 212,
+	0, 0, 213, 0, 0, 0, 0, 0, 0, 0,
+	0, 200, 202, 204, 205, 206, 214, 216, 219, 220,
+	221, 222, 223, 199, 0, 201, 203, 207, 208, 210,
+	217, 218, 0, 209, 0, 0, 0, 215, 0, 0,
+	0, 196, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 211, 212, 0, 0, 213, 0, 0,
+	0, 0, 0, 0, 0, 0, 200, 202, 204, 205,
+	206, 214, 216, 219, 220, 221, 222, 223, 0, 0,
+	201, 203, 207, 208, 210, 217, 218, 17, 69, 0,
+	0, 22, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 18, 19, 0,
+	0, 20, 17, 31, 0, 0, 22, 0, 0, 0,
 	11, 12, 14, 15, 16, 21, 23, 25, 26, 27,
-	28, 29, 94, 0, 0, 13, 0, 0, 149, 24,
-	0, 0, 0, 0, 78, 79, 80, 0, 81, 82,
-	83, 84, 85, 86, 87, 88, 89, 90, 0, 91,
-	92, 0, 0, 94, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 78, 79, 80, 0, 81,
-	82, 83, 93, 85, 86, 87, 88, 89, 90, 0,
-	91, 92, 0, 0, 94, 0, 0, 0, 0, 0,
-	0, 0, 0, 94, 0, 0, 78, 79, 80, 0,
-	81, 82, 94, 93, 85, 86, 79, 88, 89, 90,
-	0, 91, 92, 0, 78, 79, 88, 89, 0, 0,
-	91, 0, 0, 0, 0, 88, 89, 0, 0, 91,
-	92, 0, 0, 0, 93, 0, 0, 0, 0, 0,
-	0, 0, 0, 93, 0, 0, 0, 0, 0, 0,
-	0, 0, 93,
+	28, 29, 18, 19, 0, 13, 20, 0, 0, 24,
+	0, 30, 0, 0, 0, 11, 12, 14, 15, 16,
+	21, 23, 25, 26, 27, 28, 29, 95, 0, 0,
+	13, 0, 0, 150, 24, 0, 30, 0, 0, 79,
+	80, 81, 0, 82, 83, 84, 85, 86, 87, 88,
+	89, 90, 91, 0, 92, 93, 0, 0, 95, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	79, 80, 81, 0, 82, 83, 84, 94, 86, 87,
+	88, 89, 90, 91, 0, 92, 93, 0, 0, 95,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 79, 80, 81, 0, 82, 83, 95, 94, 86,
+	87, 0, 89, 90, 91, 0, 92, 93, 0, 79,
+	80, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	89, 90, 0, 0, 92, 93, 0, 0, 0, 94,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 94,
 }
 var yyPact = [...]int{
 
-	41, 92, 355, 355, 259, 330, -1000, -1000, -1000, 60,
+	41, 72, 410, 410, 160, 385, -1000, -1000, -1000, 65,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	231, -1000, 116, -1000, 58, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 21, 23, -1000, 305,
-	-1000, 305, 32, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 222, -1000,
-	-1000, 218, -1000, -1000, 22, -1000, 4, -1000, -44, -44,
-	-44, -44, -44, -44, -44, -44, -44, -44, -44, -44,
-	-44, -44, -44, 226, 114, 23, -50, -1000, 99, 99,
-	206, -1000, 398, 42, -1000, 156, -1000, -1000, 154, -1000,
-	-1000, 157, -1000, 30, -1000, 150, 305, -1000, -45, -48,
-	-1000, 305, 305, 305, 305, 305, 305, 305, 305, 305,
-	305, 305, 305, 305, 305, -1000, -1000, -1000, 151, -1000,
-	-1000, -1000, -1000, 152, -1000, -1000, 35, -1000, 58, -1000,
-	-1000, 28, -1000, 26, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 1, -5, -1000, -1000, -1000, -1000,
-	24, 24, 469, 99, 99, 99, 99, 42, 478, 478,
-	478, 460, 429, 478, 478, 460, 42, 42, 478, 42,
-	469, -1000, 106, -1000, 37, -1000, -1000, -1000, -1000, -1000,
+	-1000, 247, -1000, 115, -1000, 59, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 14, 30, -1000,
+	221, -1000, 221, 43, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 240,
+	-1000, -1000, 238, -1000, -1000, 48, -1000, 18, -1000, -45,
+	-45, -45, -45, -45, -45, -45, -45, -45, -45, -45,
+	-45, -45, -45, -45, 155, 153, 30, -48, -1000, 101,
+	101, 15, -1000, 453, 8, -1000, 151, -1000, -1000, 161,
+	-1000, -1000, 217, -1000, 31, -1000, 213, 221, -1000, -50,
+	-42, -1000, 221, 221, 221, 221, 221, 221, 221, 221,
+	221, 221, 221, 221, 221, 221, -1000, -1000, -1000, 185,
+	-1000, -1000, -1000, -1000, 331, -1000, -1000, 95, -1000, 59,
+	-1000, -1000, 106, -1000, 23, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -3, 0, -1000, -1000, -1000,
+	-1000, 27, 27, 157, 101, 101, 101, 101, 8, 533,
+	533, 533, 515, 484, 533, 533, 515, 8, 8, 533,
+	8, 157, -1000, 112, -1000, 32, -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, 305, -1000, -1000, -1000, -1000, 17,
-	17, -2, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 14,
-	115, -1000, -1000, 15, -1000, 58, -1000, -1000, -1000, 17,
-	-1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 221, -1000, -1000, -1000, -1000,
+	20, 20, -7, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	17, 81, -1000, -1000, 276, -1000, 59, -1000, -1000, -1000,
+	20, -1000, -1000, -1000, -1000, -1000,
 }
 var yyPgo = [...]int{
 
-	0, 288, 8, 287, 1, 286, 284, 187, 283, 161,
-	281, 237, 9, 280, 5, 4, 279, 278, 0, 6,
-	277, 7, 273, 12, 58, 268, 267, 2, 265, 264,
-	11, 263, 29, 247, 246, 244, 230, 210, 209, 186,
-	166, 189, 3, 165, 152, 120,
+	0, 290, 8, 289, 1, 286, 284, 279, 280, 156,
+	264, 84, 9, 262, 5, 4, 261, 260, 0, 6,
+	250, 7, 248, 11, 58, 243, 241, 2, 231, 227,
+	10, 223, 23, 222, 217, 203, 199, 188, 185, 168,
+	167, 154, 3, 165, 159, 119,
 }
 var yyR1 = [...]int{
 
@@ -440,15 +447,15 @@ var yyR1 = [...]int{
 	39, 39, 39, 40, 41, 41, 41, 32, 32, 32,
 	1, 1, 1, 2, 2, 2, 2, 11, 11, 7,
 	7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
-	7, 7, 7, 7, 7, 7, 7, 7, 9, 9,
-	9, 9, 10, 10, 10, 12, 12, 12, 12, 45,
-	17, 17, 17, 17, 16, 16, 16, 16, 16, 20,
-	20, 20, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 6, 6, 6, 6, 6, 6,
+	7, 7, 7, 7, 7, 7, 7, 7, 7, 9,
+	9, 9, 9, 10, 10, 10, 12, 12, 12, 12,
+	45, 17, 17, 17, 17, 16, 16, 16, 16, 16,
+	20, 20, 20, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 3, 6, 6, 6, 6, 6,
 	6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
-	6, 6, 6, 6, 6, 6, 6, 6, 8, 8,
-	5, 5, 5, 5, 34, 19, 21, 21, 18, 42,
-	38, 43, 43, 15, 15,
+	6, 6, 6, 6, 6, 6, 6, 6, 6, 8,
+	8, 5, 5, 5, 5, 34, 19, 21, 21, 18,
+	42, 38, 43, 43, 15, 15,
 }
 var yyR2 = [...]int{
 
@@ -462,73 +469,73 @@ var yyR2 = [...]int{
 	5, 4, 3, 2, 2, 1, 1, 3, 4, 2,
 	3, 1, 2, 3, 3, 2, 1, 2, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 1, 3, 4,
-	2, 0, 3, 1, 2, 3, 3, 2, 1, 2,
-	0, 3, 2, 1, 1, 3, 1, 3, 4, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 3,
+	4, 2, 0, 3, 1, 2, 3, 3, 2, 1,
+	2, 0, 3, 2, 1, 1, 3, 1, 3, 4,
 	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, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 2, 2, 1, 1,
-	1, 0, 1, 0, 1,
+	1, 1, 1, 1, 1, 1, 1, 2, 2, 1,
+	1, 1, 0, 1, 0, 1,
 }
 var yyChk = [...]int{
 
 	-1000, -44, 69, 70, 71, 72, 2, 10, -11, -7,
 	-9, 45, 46, 60, 47, 48, 49, 12, 32, 33,
 	36, 50, 16, 51, 64, 52, 53, 54, 55, 56,
-	13, -45, -11, 10, -27, -22, -25, -28, -33, -34,
-	-35, -37, -38, -39, -40, -41, -3, 12, 17, 15,
-	23, -8, -7, -32, 45, 46, 47, 48, 49, 50,
-	51, 52, 53, 54, 55, 56, 26, 42, 13, -41,
-	-9, -10, 18, -12, 12, 2, -17, 2, 26, 27,
-	28, 30, 31, 32, 33, 34, 35, 36, 37, 38,
-	39, 41, 42, 64, 14, -23, -30, 2, 60, 66,
-	15, -30, -27, -27, -32, -1, 18, -2, 12, 2,
-	18, 7, 2, 28, 2, 22, -24, -31, -26, -36,
-	59, -24, -24, -24, -24, -24, -24, -24, -24, -24,
-	-24, -24, -24, -24, -24, -42, 2, 9, -42, 2,
-	-30, -23, -14, 15, 2, -14, -29, 20, -27, 20,
-	18, 7, 2, -5, 2, 28, 39, 29, 40, 18,
-	-12, 23, 2, -16, 5, -20, 12, -19, -21, 17,
-	26, 42, -27, 63, 65, 61, 62, -27, -27, -27,
+	66, 13, -45, -11, 10, -27, -22, -25, -28, -33,
+	-34, -35, -37, -38, -39, -40, -41, -3, 12, 17,
+	15, 23, -8, -7, -32, 45, 46, 47, 48, 49,
+	50, 51, 52, 53, 54, 55, 56, 26, 42, 13,
+	-41, -9, -10, 18, -12, 12, 2, -17, 2, 26,
+	27, 28, 30, 31, 32, 33, 34, 35, 36, 37,
+	38, 39, 41, 42, 64, 14, -23, -30, 2, 60,
+	66, 15, -30, -27, -27, -32, -1, 18, -2, 12,
+	2, 18, 7, 2, 28, 2, 22, -24, -31, -26,
+	-36, 59, -24, -24, -24, -24, -24, -24, -24, -24,
+	-24, -24, -24, -24, -24, -24, -42, 2, 9, -42,
+	2, -30, -23, -14, 15, 2, -14, -29, 20, -27,
+	20, 18, 7, 2, -5, 2, 28, 39, 29, 40,
+	18, -12, 23, 2, -16, 5, -20, 12, -19, -21,
+	17, 26, 42, -27, 63, 65, 61, 62, -27, -27,
 	-27, -27, -27, -27, -27, -27, -27, -27, -27, -27,
-	-27, 19, 6, 2, -13, 20, -4, -6, 2, 45,
-	59, 46, 60, 47, 48, 49, 61, 62, 12, 63,
-	32, 33, 36, 50, 16, 51, 64, 65, 52, 53,
-	54, 55, 56, 20, 7, 18, -2, 23, 2, 24,
-	24, -21, -19, -19, -14, -14, -15, -14, -15, -43,
-	-42, 2, 20, 7, 2, -27, -18, 17, -18, 24,
-	19, 2, 20, -4, -18,
+	-27, -27, 19, 6, 2, -13, 20, -4, -6, 2,
+	45, 59, 46, 60, 47, 48, 49, 61, 62, 12,
+	63, 32, 33, 36, 50, 16, 51, 64, 65, 52,
+	53, 54, 55, 56, 20, 7, 18, -2, 23, 2,
+	24, 24, -21, -19, -19, -14, -14, -15, -14, -15,
+	-43, -42, 2, 20, 7, 2, -27, -18, 17, -18,
+	24, 19, 2, 20, -4, -18,
 }
 var yyDef = [...]int{
 
-	0, -2, 111, 111, 0, 0, 7, 6, 1, 111,
+	0, -2, 112, 112, 0, 0, 7, 6, 1, 112,
 	88, 89, 90, 91, 92, 93, 94, 95, 96, 97,
 	98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
-	0, 2, -2, 3, 4, 8, 9, 10, 11, 12,
-	13, 14, 15, 16, 17, 18, 0, 95, 174, 0,
-	180, 0, 75, 76, -2, -2, -2, -2, -2, -2,
-	-2, -2, -2, -2, -2, -2, 168, 169, 0, 5,
-	87, 0, 110, 113, 0, 118, 119, 123, 41, 41,
+	108, 0, 2, -2, 3, 4, 8, 9, 10, 11,
+	12, 13, 14, 15, 16, 17, 18, 0, 95, 175,
+	0, 181, 0, 75, 76, -2, -2, -2, -2, -2,
+	-2, -2, -2, -2, -2, -2, -2, 169, 170, 0,
+	5, 87, 0, 111, 114, 0, 119, 120, 124, 41,
 	41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
-	41, 41, 41, 0, 0, 0, 21, 22, 0, 0,
-	0, 58, 0, 73, 74, 0, 79, 81, 0, 86,
-	108, 0, 114, 0, 117, 122, 0, 40, 45, 46,
-	42, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 65, 66, 179, 0, 72,
-	19, 20, 23, 0, 52, 24, 0, 60, 62, 64,
-	77, 0, 82, 0, 85, 170, 171, 172, 173, 109,
-	112, 115, 116, 121, 124, 126, 129, 130, 131, 175,
-	0, 0, 25, 0, 0, -2, -2, 26, 27, 28,
-	29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
-	39, 67, -2, 71, 0, 51, 54, 56, 57, 144,
+	41, 41, 41, 41, 0, 0, 0, 21, 22, 0,
+	0, 0, 58, 0, 73, 74, 0, 79, 81, 0,
+	86, 109, 0, 115, 0, 118, 123, 0, 40, 45,
+	46, 42, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 65, 66, 180, 0,
+	72, 19, 20, 23, 0, 52, 24, 0, 60, 62,
+	64, 77, 0, 82, 0, 85, 171, 172, 173, 174,
+	110, 113, 116, 117, 122, 125, 127, 130, 131, 132,
+	176, 0, 0, 25, 0, 0, -2, -2, 26, 27,
+	28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+	38, 39, 67, -2, 71, 0, 51, 54, 56, 57,
 	145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
 	155, 156, 157, 158, 159, 160, 161, 162, 163, 164,
-	165, 166, 167, 59, 63, 78, 80, 83, 84, 0,
-	0, 0, 176, 177, 43, 44, 47, 184, 48, 0,
-	-2, 70, 49, 0, 55, 61, 125, 178, 127, 0,
-	68, 69, 50, 53, 128,
+	165, 166, 167, 168, 59, 63, 78, 80, 83, 84,
+	0, 0, 0, 177, 178, 43, 44, 47, 185, 48,
+	0, -2, 70, 49, 0, 55, 61, 126, 179, 128,
+	0, 68, 69, 50, 53, 129,
 }
 var yyTok1 = [...]int{
 
@@ -1421,77 +1428,77 @@ yydefault:
 		{
 			yyVAL.labels = yyDollar[1].labels
 		}
-	case 108:
+	case 109:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line generated_parser.y:542
 		{
 			yyVAL.labels = labels.New(yyDollar[2].labels...)
 		}
-	case 109:
+	case 110:
 		yyDollar = yyS[yypt-4 : yypt+1]
 //line generated_parser.y:544
 		{
 			yyVAL.labels = labels.New(yyDollar[2].labels...)
 		}
-	case 110:
+	case 111:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line generated_parser.y:546
 		{
 			yyVAL.labels = labels.New()
 		}
-	case 111:
+	case 112:
 		yyDollar = yyS[yypt-0 : yypt+1]
 //line generated_parser.y:548
 		{
 			yyVAL.labels = labels.New()
 		}
-	case 112:
+	case 113:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line generated_parser.y:552
 		{
 			yyVAL.labels = append(yyDollar[1].labels, yyDollar[3].label)
 		}
-	case 113:
+	case 114:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:554
 		{
 			yyVAL.labels = []labels.Label{yyDollar[1].label}
 		}
-	case 114:
+	case 115:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line generated_parser.y:556
 		{
 			yylex.(*parser).unexpected("label set", "\",\" or \"}\"")
 			yyVAL.labels = yyDollar[1].labels
 		}
-	case 115:
+	case 116:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line generated_parser.y:561
 		{
 			yyVAL.label = labels.Label{Name: yyDollar[1].item.Val, Value: yylex.(*parser).unquoteString(yyDollar[3].item.Val)}
 		}
-	case 116:
+	case 117:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line generated_parser.y:563
 		{
 			yylex.(*parser).unexpected("label set", "string")
 			yyVAL.label = labels.Label{}
 		}
-	case 117:
+	case 118:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line generated_parser.y:565
 		{
 			yylex.(*parser).unexpected("label set", "\"=\"")
 			yyVAL.label = labels.Label{}
 		}
-	case 118:
+	case 119:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:567
 		{
 			yylex.(*parser).unexpected("label set", "identifier or \"}\"")
 			yyVAL.label = labels.Label{}
 		}
-	case 119:
+	case 120:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line generated_parser.y:575
 		{
@@ -1500,38 +1507,38 @@ yydefault:
 				values: yyDollar[2].series,
 			}
 		}
-	case 120:
+	case 121:
 		yyDollar = yyS[yypt-0 : yypt+1]
 //line generated_parser.y:584
 		{
 			yyVAL.series = []SequenceValue{}
 		}
-	case 121:
+	case 122:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line generated_parser.y:586
 		{
 			yyVAL.series = append(yyDollar[1].series, yyDollar[3].series...)
 		}
-	case 122:
+	case 123:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line generated_parser.y:588
 		{
 			yyVAL.series = yyDollar[1].series
 		}
-	case 123:
+	case 124:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:590
 		{
 			yylex.(*parser).unexpected("series values", "")
 			yyVAL.series = nil
 		}
-	case 124:
+	case 125:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:594
 		{
 			yyVAL.series = []SequenceValue{{Omitted: true}}
 		}
-	case 125:
+	case 126:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line generated_parser.y:596
 		{
@@ -1540,13 +1547,13 @@ yydefault:
 				yyVAL.series = append(yyVAL.series, SequenceValue{Omitted: true})
 			}
 		}
-	case 126:
+	case 127:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:603
 		{
 			yyVAL.series = []SequenceValue{{Value: yyDollar[1].float}}
 		}
-	case 127:
+	case 128:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line generated_parser.y:605
 		{
@@ -1555,7 +1562,7 @@ yydefault:
 				yyVAL.series = append(yyVAL.series, SequenceValue{Value: yyDollar[1].float})
 			}
 		}
-	case 128:
+	case 129:
 		yyDollar = yyS[yypt-4 : yypt+1]
 //line generated_parser.y:612
 		{
@@ -1565,7 +1572,7 @@ yydefault:
 				yyDollar[1].float += yyDollar[2].float
 			}
 		}
-	case 129:
+	case 130:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:622
 		{
@@ -1574,7 +1581,7 @@ yydefault:
 			}
 			yyVAL.float = math.Float64frombits(value.StaleNaN)
 		}
-	case 174:
+	case 175:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:653
 		{
@@ -1583,25 +1590,25 @@ yydefault:
 				PosRange: yyDollar[1].item.PositionRange(),
 			}
 		}
-	case 175:
+	case 176:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:661
 		{
 			yyVAL.float = yylex.(*parser).number(yyDollar[1].item.Val)
 		}
-	case 176:
+	case 177:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line generated_parser.y:663
 		{
 			yyVAL.float = yyDollar[2].float
 		}
-	case 177:
+	case 178:
 		yyDollar = yyS[yypt-2 : yypt+1]
 //line generated_parser.y:664
 		{
 			yyVAL.float = -yyDollar[2].float
 		}
-	case 178:
+	case 179:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:668
 		{
@@ -1611,7 +1618,7 @@ yydefault:
 				yylex.(*parser).addParseErrf(yyDollar[1].item.PositionRange(), "invalid repetition in series values: %s", err)
 			}
 		}
-	case 179:
+	case 180:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:678
 		{
@@ -1621,7 +1628,7 @@ yydefault:
 				yylex.(*parser).addParseErr(yyDollar[1].item.PositionRange(), err)
 			}
 		}
-	case 180:
+	case 181:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line generated_parser.y:689
 		{
@@ -1630,13 +1637,13 @@ yydefault:
 				PosRange: yyDollar[1].item.PositionRange(),
 			}
 		}
-	case 181:
+	case 182:
 		yyDollar = yyS[yypt-0 : yypt+1]
 //line generated_parser.y:702
 		{
 			yyVAL.duration = 0
 		}
-	case 183:
+	case 184:
 		yyDollar = yyS[yypt-0 : yypt+1]
 //line generated_parser.y:706
 		{