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Merge pull request #397 from BranislavLazic/add-pg-generate-series

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Add Postgres GENERATE_SERIES function
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go-jet 2024-10-28 12:00:37 +01:00 • committed by GitHub
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9
postgres/functions.go
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@ -344,6 +344,15 @@ func DATE_TRUNC(field unit, source Expression, timezone ...string) TimestampExpr
return jet.NewTimestampFunc("DATE_TRUNC", jet.FixedLiteral(unitToString(field)), source)
}
// GENERATE_SERIES generates a series of values from start to stop, with a step size of step.
func GENERATE_SERIES(start Expression, stop Expression, step ...Expression) Expression {
if len(step) > 0 {
return jet.NewFunc("GENERATE_SERIES", []Expression{start, stop, step[0]}, nil)
}
return jet.NewFunc("GENERATE_SERIES", []Expression{start, stop}, nil)
}
// --------------- Conditional Expressions Functions -------------//
// COALESCE function returns the first of its arguments that is not null.