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Timestamp function instead of CAST for literal construct.

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go-jet 2019-08-06 13:58:17 +02:00
parent d235385c2a
commit fbf5fbddbc
4 changed files with 35 additions and 28 deletions
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13
mysql/cast.go
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@ -8,7 +8,6 @@ type cast interface {
jet.Cast
AS_DATETIME() DateTimeExpression
AS_TIMESTAMP() TimestampExpression
AS_SIGNED() IntegerExpression
AS_UNSIGNED() IntegerExpression
AS_BINARY() StringExpression
@ -27,21 +26,17 @@ func CAST(expr jet.Expression) cast {
}
func (c *castImpl) AS_DATETIME() DateTimeExpression {
return jet.TimestampExp(c.AS("DATETIME"))
}
func (c *castImpl) AS_TIMESTAMP() TimestampExpression {
return jet.TimestampExp(c.AS("DATETIME"))
return DateTimeExp(c.AS("DATETIME"))
}
func (c *castImpl) AS_SIGNED() IntegerExpression {
return jet.IntExp(c.AS("SIGNED"))
return IntExp(c.AS("SIGNED"))
}
func (c *castImpl) AS_UNSIGNED() IntegerExpression {
return jet.IntExp(c.AS("UNSIGNED"))
return IntExp(c.AS("UNSIGNED"))
}
func (c *castImpl) AS_BINARY() StringExpression {
return jet.StringExp(c.AS("BINARY"))
return StringExp(c.AS("BINARY"))
}

8
mysql/functions.go
View file

@ -113,6 +113,14 @@ func NOW(fsp ...int) DateTimeExpression {
return jet.NewTimestampFunc("NOW")
}
func TIMESTAMP(str StringExpression) TimestampExpression {
return jet.NewTimestampFunc("TIMESTAMP", str)
}
func UNIX_TIMESTAMP(str StringExpression) TimestampExpression {
return jet.NewTimestampFunc("UNIX_TIMESTAMP", str)
}
// --------------- Conditional Expressions Functions -------------//
var COALESCE = jet.COALESCE
var NULLIF = jet.NULLIF

4
mysql/literal.go
View file

@ -32,8 +32,8 @@ var DateTimeT = func(t time.Time) DateTimeExpression {
return CAST(jet.TimestampT(t)).AS_DATETIME()
}
var Timestamp = func(year int, month time.Month, day, hour, minute, second int, milliseconds ...int) TimestampExpression {
return CAST(jet.Timestamp(year, month, day, hour, minute, second, milliseconds...)).AS_TIMESTAMP()
return TIMESTAMP(StringExp(jet.Timestamp(year, month, day, hour, minute, second, milliseconds...)))
}
var TimestampT = func(t time.Time) TimestampExpression {
return CAST(jet.TimestampT(t)).AS_TIMESTAMP()
return TIMESTAMP(StringExp(jet.TimestampT(t)))
}