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app/vmselect/promql: check for binary operation in case-insensitive manner when deciding which side of the operation to perform the first

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PromQL and MetricsQL operators are case-insensitive
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Aliaksandr Valialkin 2022-01-31 22:06:05 +02:00
parent a02dde6cc7
commit 784cdcb080
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1 changed files with 1 additions and 1 deletions
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app/vmselect/promql/eval.go
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@ -300,7 +300,7 @@ func evalExpr(ec *EvalConfig, e metricsql.Expr) ([]*timeseries, error) {
}
var err error
var tssLeft, tssRight []*timeseries
switch be.Op {
switch strings.ToLower(be.Op) {
case "and", "if":
// Fetch right-side series at first, since the left side of `and` and `if` operator
// usually contains lower number of time series. This should produce more specific label filters