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Add support for EXTRACT time/date function.

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This commit is contained in:
go-jet 2022-05-06 11:54:44 +02:00
parent bc776f947b
commit 2101088d0e
15 changed files with 222 additions and 14 deletions
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6
mysql/functions.go
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@ -224,6 +224,12 @@ var REGEXP_LIKE = jet.REGEXP_LIKE
//----------------- Date/Time Functions and Operators ------------//
// EXTRACT function retrieves subfields such as year or hour from date/time values
// EXTRACT(DAY, User.CreatedAt)
func EXTRACT(field unitType, from Expression) IntegerExpression {
return IntExp(jet.EXTRACT(string(field), from))
}
// CURRENT_DATE returns current date
var CURRENT_DATE = jet.CURRENT_DATE

9
mysql/interval.go
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@ -39,10 +39,11 @@ const (
type Interval = jet.Interval
// INTERVAL creates new temporal interval.
// In a case of MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, YEAR unit type
// value parameter should be number. For example: INTERVAL(1, DAY)
// In a case of other unit types, value should be string with appropriate format.
// For example: INTERVAL("10:08:50", HOUR_SECOND)
// In a case of MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, YEAR unit type
// value parameter has to be a number.
// INTERVAL(1, DAY)
// In a case of other unit types, value should be string with appropriate format.
// INTERVAL("10:08:50", HOUR_SECOND)
func INTERVAL(value interface{}, unitType unitType) Interval {
switch unitType {
case MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, YEAR: