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postgres: change $__timeGroup macro to include "AS time" column alias (#10119)

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* change $__timeGroup macro to include column alias

* update docs and help text for $__timeGroup macro
This commit is contained in:
Sven Klemm
2017-12-08 15:14:10 +01:00
committed by Daniel Lee
parent 0c5ef1453d
commit ce809de1ed
4 changed files with 7 additions and 7 deletions
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2
pkg/tsdb/postgres/macros.go
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@ -89,7 +89,7 @@ func (m *PostgresMacroEngine) evaluateMacro(name string, args []string) (string,
if err != nil {
return "", fmt.Errorf("error parsing interval %v", args[1])
}
return fmt.Sprintf("(extract(epoch from \"%s\")/%v)::bigint*%v", args[0], interval.Seconds(), interval.Seconds()), nil
return fmt.Sprintf("(extract(epoch from %s)/%v)::bigint*%v AS time", args[0], interval.Seconds(), interval.Seconds()), nil
case "__unixEpochFilter":
if len(args) == 0 {
return "", fmt.Errorf("missing time column argument for macro %v", name)