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Add return type switching note

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This commit is contained in:
Branislav Lazic 2024-09-23 09:11:53 +02:00
parent b25b2aa213
commit dce5fd6552
1 changed files with 2 additions and 1 deletions
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3
postgres/functions.go
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@ -332,7 +332,8 @@ var LOCALTIMESTAMP = jet.LOCALTIMESTAMP
// NOW returns current date and time
var NOW = jet.NOW
// DATE_TRUNC returns the truncated date and time using optional time zone
// DATE_TRUNC returns the truncated date and time using optional time zone.
// Use TimestampzExp if you need timestamp with time zone and IntervalExp if you need interval.
func DATE_TRUNC(field unit, source Expression, timezone ...string) TimestampExpression {
if len(timezone) > 0 {
return jet.NewTimestampFunc("DATE_TRUNC", jet.FixedLiteral(unitToString(field)), source, jet.FixedLiteral(timezone[0]))