mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-19 23:37:31 -07:00
Allow alternative "by"-clause position in grammar.
In addition to the existing by-clause syntax: sum(<expression>) by (<labels>) [keeping_extra] ...this allows the following new syntax: sum by (<labels>) [keeping_extra] (<expression>) Both orderings may be used in a single expression. It is up to the users to establish guidelines around their usage. Change-Id: Iba10c9cc5fb6ac62edfcf246d281473e82467992
This commit is contained in:
Julius Volz
Bjoern Rabenstein
parent
f114bbd4e7
commit
0712d738d1
|
|
@ -188,6 +188,12 @@ rule_expr : '(' rule_expr ')'
|
|||
$$, err = NewVectorAggregation($1, $3, $5, $6)
|
||||
if err != nil { yylex.Error(err.Error()); return 1 }
|
||||
}
|
||||
| AGGR_OP grouping_opts extra_labels_opts '(' rule_expr ')'
|
||||
{
|
||||
var err error
|
||||
$$, err = NewVectorAggregation($1, $5, $2, $3)
|
||||
if err != nil { yylex.Error(err.Error()); return 1 }
|
||||
}
|
||||
/* Yacc can only attach associativity to terminals, so we
|
||||
* have to list all operators here. */
|
||||
| rule_expr ADDITIVE_OP rule_expr
|
||||
|
|
|
|||
|
|
@ -75,7 +75,7 @@ const yyEofCode = 1
|
|||
const yyErrCode = 2
|
||||
const yyMaxDepth = 200
|
||||
|
||||
//line parser.y:244
|
||||
//line parser.y:250
|
||||
|
||||
//line yacctab:1
|
||||
var yyExca = []int{
|
||||
|
|
@ -87,90 +87,91 @@ var yyExca = []int{
|
|||
-2, 10,
|
||||
}
|
||||
|
||||
const yyNprod = 49
|
||||
const yyNprod = 50
|
||||
const yyPrivate = 57344
|
||||
|
||||
var yyTokenNames []string
|
||||
var yyStates []string
|
||||
|
||||
const yyLast = 127
|
||||
const yyLast = 137
|
||||
|
||||
var yyAct = []int{
|
||||
|
||||
51, 64, 48, 47, 24, 54, 6, 20, 10, 49,
|
||||
22, 13, 12, 21, 19, 20, 11, 18, 75, 87,
|
||||
18, 86, 34, 35, 36, 78, 23, 8, 18, 29,
|
||||
7, 46, 50, 10, 49, 28, 13, 12, 21, 19,
|
||||
20, 11, 52, 55, 21, 19, 20, 21, 19, 20,
|
||||
71, 72, 8, 18, 44, 7, 66, 73, 60, 18,
|
||||
27, 37, 18, 67, 70, 10, 19, 20, 13, 12,
|
||||
59, 65, 58, 11, 79, 57, 38, 39, 38, 25,
|
||||
18, 42, 85, 91, 8, 61, 88, 7, 81, 53,
|
||||
41, 63, 9, 17, 77, 69, 82, 33, 31, 43,
|
||||
16, 13, 92, 90, 80, 56, 89, 84, 30, 65,
|
||||
25, 32, 2, 3, 14, 5, 4, 1, 40, 74,
|
||||
76, 15, 26, 62, 68, 83, 45,
|
||||
56, 72, 50, 53, 30, 24, 6, 20, 49, 59,
|
||||
22, 10, 51, 18, 13, 12, 21, 19, 20, 11,
|
||||
18, 85, 36, 37, 38, 21, 19, 20, 81, 82,
|
||||
8, 18, 52, 7, 48, 66, 21, 19, 20, 87,
|
||||
18, 10, 51, 31, 13, 12, 60, 55, 28, 11,
|
||||
65, 18, 21, 19, 20, 57, 21, 19, 20, 29,
|
||||
8, 74, 23, 7, 62, 40, 39, 18, 73, 77,
|
||||
76, 18, 80, 75, 10, 19, 20, 13, 12, 79,
|
||||
86, 78, 11, 64, 89, 63, 41, 40, 71, 18,
|
||||
46, 25, 93, 8, 44, 27, 7, 83, 69, 96,
|
||||
94, 91, 58, 43, 9, 17, 54, 31, 92, 35,
|
||||
33, 45, 16, 13, 97, 95, 90, 61, 73, 88,
|
||||
32, 68, 25, 34, 2, 3, 14, 5, 4, 1,
|
||||
42, 84, 15, 26, 70, 67, 47,
|
||||
}
|
||||
var yyPact = []int{
|
||||
|
||||
108, -1000, -1000, 59, 82, -1000, 23, 59, 104, 35,
|
||||
7, 1, -1000, -1000, -1000, 92, 105, -1000, 89, 59,
|
||||
59, 59, 32, 51, -1000, 66, -1000, 73, 2, 59,
|
||||
17, -1000, 70, -26, -10, -13, 50, -1000, 104, -1000,
|
||||
98, -1000, -1000, -1000, 49, 43, -1000, -1000, 23, -1000,
|
||||
29, 61, 65, 59, -1000, -1000, -1000, -1000, -1000, 27,
|
||||
83, 59, 24, -1000, -1000, 33, -2, -1000, 81, -3,
|
||||
23, -1000, 103, 97, 67, 88, -1000, -1000, 101, -1000,
|
||||
-1000, 17, -1000, -8, -1000, 64, -1000, 100, 96, -1000,
|
||||
60, 95, -1000,
|
||||
120, -1000, -1000, 68, 94, -1000, 41, 68, 116, 70,
|
||||
20, 31, -1000, -1000, -1000, 104, 117, -1000, 101, 68,
|
||||
68, 68, 37, 60, -1000, 79, -1000, 85, 5, 68,
|
||||
93, 19, 30, -1000, 83, -22, -10, -17, 59, -1000,
|
||||
116, -1000, 110, -1000, -1000, -1000, 38, 56, -1000, -1000,
|
||||
41, -1000, 21, 7, -1000, 115, 74, 62, 68, -1000,
|
||||
-1000, -1000, -1000, -1000, 35, 95, 68, 52, -1000, 68,
|
||||
2, -1000, -1000, 73, 1, -1000, 93, 10, -1000, 113,
|
||||
41, -1000, 112, 109, 80, 100, -1000, -1000, -1000, -1000,
|
||||
-1000, 30, -1000, 78, 108, 76, 107, -1000,
|
||||
}
|
||||
var yyPgo = []int{
|
||||
|
||||
0, 126, 125, 124, 1, 123, 0, 4, 26, 122,
|
||||
2, 3, 121, 120, 119, 92, 118, 117, 116, 115,
|
||||
114,
|
||||
0, 136, 135, 4, 1, 134, 0, 5, 62, 133,
|
||||
2, 8, 132, 3, 131, 104, 130, 129, 128, 127,
|
||||
126,
|
||||
}
|
||||
var yyR1 = []int{
|
||||
|
||||
0, 17, 17, 18, 18, 19, 20, 20, 14, 14,
|
||||
12, 12, 15, 15, 6, 6, 6, 5, 5, 4,
|
||||
9, 9, 9, 8, 8, 7, 16, 16, 10, 10,
|
||||
10, 10, 10, 10, 10, 10, 10, 10, 10, 13,
|
||||
13, 3, 3, 2, 2, 1, 1, 11, 11,
|
||||
10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
|
||||
13, 13, 3, 3, 2, 2, 1, 1, 11, 11,
|
||||
}
|
||||
var yyR2 = []int{
|
||||
|
||||
0, 2, 2, 0, 2, 1, 5, 11, 0, 2,
|
||||
0, 1, 1, 1, 0, 3, 2, 1, 3, 3,
|
||||
0, 2, 3, 1, 3, 3, 1, 1, 3, 3,
|
||||
2, 4, 3, 4, 6, 3, 3, 3, 1, 0,
|
||||
1, 0, 4, 1, 3, 1, 3, 1, 1,
|
||||
2, 4, 3, 4, 6, 6, 3, 3, 3, 1,
|
||||
0, 1, 0, 4, 1, 3, 1, 3, 1, 1,
|
||||
}
|
||||
var yyChk = []int{
|
||||
|
||||
-1000, -17, 4, 5, -18, -19, -10, 28, 25, -15,
|
||||
6, 14, 10, 9, -20, -12, 18, 11, 30, 16,
|
||||
17, 15, -10, -8, -7, 6, -9, 25, 28, 28,
|
||||
-15, 6, 6, 8, -10, -10, -10, 29, 27, 26,
|
||||
-16, 24, 15, 26, -8, -1, 29, -11, -10, 7,
|
||||
-10, -6, 25, 19, 31, -7, 7, 26, 29, 27,
|
||||
29, 24, -5, 26, -4, 6, -10, -11, -3, 12,
|
||||
-10, 26, 27, 24, -14, 20, -13, 13, 28, -4,
|
||||
7, 21, 8, -2, 6, -6, 29, 27, 22, 6,
|
||||
7, 23, 7,
|
||||
-3, 12, -15, 6, 6, 8, -10, -10, -10, 29,
|
||||
27, 26, -16, 24, 15, 26, -8, -1, 29, -11,
|
||||
-10, 7, -10, -13, 13, 28, -6, 25, 19, 31,
|
||||
-7, 7, 26, 29, 27, 29, 28, -2, 6, 24,
|
||||
-5, 26, -4, 6, -10, -11, -3, -10, 29, 27,
|
||||
-10, 26, 27, 24, -14, 20, -13, 29, 6, -4,
|
||||
7, 21, 8, -6, 22, 7, 23, 7,
|
||||
}
|
||||
var yyDef = []int{
|
||||
|
||||
0, -2, 3, 0, -2, 2, 5, 0, 0, 20,
|
||||
13, 0, 38, 12, 4, 0, 0, 11, 0, 0,
|
||||
13, 42, 39, 12, 4, 0, 0, 11, 0, 0,
|
||||
0, 0, 0, 0, 23, 0, 30, 0, 0, 0,
|
||||
14, 13, 0, 0, 35, 36, 37, 28, 0, 29,
|
||||
0, 26, 27, 21, 0, 0, 32, 45, 47, 48,
|
||||
0, 0, 0, 0, 33, 24, 25, 22, 31, 0,
|
||||
41, 0, 0, 16, 17, 0, 8, 46, 39, 0,
|
||||
6, 15, 0, 0, 0, 0, 34, 40, 0, 18,
|
||||
19, 14, 9, 0, 43, 0, 42, 0, 0, 44,
|
||||
0, 0, 7,
|
||||
40, 0, 14, 13, 0, 0, 36, 37, 38, 28,
|
||||
0, 29, 0, 26, 27, 21, 0, 0, 32, 46,
|
||||
48, 49, 0, 0, 41, 0, 0, 0, 0, 33,
|
||||
24, 25, 22, 31, 0, 42, 0, 0, 44, 0,
|
||||
0, 16, 17, 0, 8, 47, 40, 0, 43, 0,
|
||||
6, 15, 0, 0, 0, 0, 34, 35, 45, 18,
|
||||
19, 14, 9, 0, 0, 0, 0, 7,
|
||||
}
|
||||
var yyTok1 = []int{
|
||||
|
||||
|
|
@ -618,10 +619,10 @@ yydefault:
|
|||
}
|
||||
}
|
||||
case 35:
|
||||
//line parser.y:194
|
||||
//line parser.y:192
|
||||
{
|
||||
var err error
|
||||
yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
|
||||
yyVAL.ruleNode, err = NewVectorAggregation(yyS[yypt-5].str, yyS[yypt-1].ruleNode, yyS[yypt-4].labelNameSlice, yyS[yypt-3].boolean)
|
||||
if err != nil {
|
||||
yylex.Error(err.Error())
|
||||
return 1
|
||||
|
|
@ -650,55 +651,65 @@ yydefault:
|
|||
case 38:
|
||||
//line parser.y:212
|
||||
{
|
||||
yyVAL.ruleNode = ast.NewScalarLiteral(yyS[yypt-0].num)
|
||||
var err error
|
||||
yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
|
||||
if err != nil {
|
||||
yylex.Error(err.Error())
|
||||
return 1
|
||||
}
|
||||
}
|
||||
case 39:
|
||||
//line parser.y:216
|
||||
//line parser.y:218
|
||||
{
|
||||
yyVAL.ruleNode = ast.NewScalarLiteral(yyS[yypt-0].num)
|
||||
}
|
||||
case 40:
|
||||
//line parser.y:222
|
||||
{
|
||||
yyVAL.boolean = false
|
||||
}
|
||||
case 40:
|
||||
//line parser.y:218
|
||||
case 41:
|
||||
//line parser.y:224
|
||||
{
|
||||
yyVAL.boolean = true
|
||||
}
|
||||
case 41:
|
||||
//line parser.y:222
|
||||
case 42:
|
||||
//line parser.y:228
|
||||
{
|
||||
yyVAL.labelNameSlice = clientmodel.LabelNames{}
|
||||
}
|
||||
case 42:
|
||||
//line parser.y:224
|
||||
case 43:
|
||||
//line parser.y:230
|
||||
{
|
||||
yyVAL.labelNameSlice = yyS[yypt-1].labelNameSlice
|
||||
}
|
||||
case 43:
|
||||
//line parser.y:228
|
||||
case 44:
|
||||
//line parser.y:234
|
||||
{
|
||||
yyVAL.labelNameSlice = clientmodel.LabelNames{clientmodel.LabelName(yyS[yypt-0].str)}
|
||||
}
|
||||
case 44:
|
||||
//line parser.y:230
|
||||
case 45:
|
||||
//line parser.y:236
|
||||
{
|
||||
yyVAL.labelNameSlice = append(yyVAL.labelNameSlice, clientmodel.LabelName(yyS[yypt-0].str))
|
||||
}
|
||||
case 45:
|
||||
//line parser.y:234
|
||||
case 46:
|
||||
//line parser.y:240
|
||||
{
|
||||
yyVAL.ruleNodeSlice = []ast.Node{yyS[yypt-0].ruleNode}
|
||||
}
|
||||
case 46:
|
||||
//line parser.y:236
|
||||
case 47:
|
||||
//line parser.y:242
|
||||
{
|
||||
yyVAL.ruleNodeSlice = append(yyVAL.ruleNodeSlice, yyS[yypt-0].ruleNode)
|
||||
}
|
||||
case 47:
|
||||
//line parser.y:240
|
||||
case 48:
|
||||
//line parser.y:246
|
||||
{
|
||||
yyVAL.ruleNode = yyS[yypt-0].ruleNode
|
||||
}
|
||||
case 48:
|
||||
//line parser.y:242
|
||||
case 49:
|
||||
//line parser.y:248
|
||||
{
|
||||
yyVAL.ruleNode = ast.NewStringLiteral(yyS[yypt-0].str)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -565,6 +565,37 @@ func TestExpressions(t *testing.T) {
|
|||
fullRanges: 0,
|
||||
intervalRanges: 4,
|
||||
},
|
||||
{
|
||||
// Test alternative "by"-clause order.
|
||||
expr: `sum by (group) (http_requests{job="api-server"})`,
|
||||
output: []string{
|
||||
`http_requests{group="canary"} => 700 @[%v]`,
|
||||
`http_requests{group="production"} => 300 @[%v]`,
|
||||
},
|
||||
fullRanges: 0,
|
||||
intervalRanges: 4,
|
||||
},
|
||||
{
|
||||
// Test alternative "by"-clause order with "keeping_extra".
|
||||
expr: `sum by (group) keeping_extra (http_requests{job="api-server"})`,
|
||||
output: []string{
|
||||
`http_requests{group="canary", job="api-server"} => 700 @[%v]`,
|
||||
`http_requests{group="production", job="api-server"} => 300 @[%v]`,
|
||||
},
|
||||
fullRanges: 0,
|
||||
intervalRanges: 4,
|
||||
},
|
||||
{
|
||||
// Test both alternative "by"-clause orders in one expression.
|
||||
// Public health warning: stick to one form within an expression (or even
|
||||
// in an organization), or risk serious user confusion.
|
||||
expr: `sum(sum by (group) keeping_extra (http_requests{job="api-server"})) by (job)`,
|
||||
output: []string{
|
||||
`http_requests{job="api-server"} => 1000 @[%v]`,
|
||||
},
|
||||
fullRanges: 0,
|
||||
intervalRanges: 4,
|
||||
},
|
||||
}
|
||||
|
||||
storage, closer := newTestStorage(t)
|
||||
|
|
|
|||
Loading…
Reference in a new issue