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MySQL float expressions.

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This commit is contained in:
go-jet 2019-07-30 15:04:36 +02:00
parent 6bf9c32c07
commit 163ecf4c42
13 changed files with 401 additions and 85 deletions
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13
cast.go
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@ -13,6 +13,8 @@ type cast interface {
AS_BIGINT() IntegerExpression
// Cast expression AS numeric type, using precision and optionally scale
AS_NUMERIC(precision int, scale ...int) FloatExpression
// Cast expression AS numeric type, using precision and optionally scale
AS_DECIMAL() FloatExpression
// Cast expression AS real type
AS_REAL() FloatExpression
// Cast expression AS double precision type
@ -56,14 +58,14 @@ func (b *castImpl) serialize(statement statementType, out *sqlBuilder, options .
return castOverride(b.Expression, b.castType)(statement, out, options...)
}
out.writeString("CAST")
err := WRAP(b.Expression).serialize(statement, out, options...)
out.writeString("CAST(")
err := b.Expression.serialize(statement, out, options...)
if err != nil {
return err
}
out.writeString("AS")
out.writeString(b.castType)
out.writeString(b.castType + ")")
return err
}
@ -102,6 +104,11 @@ func (b *castImpl) AS_NUMERIC(precision int, scale ...int) FloatExpression {
return FloatExp(b)
}
func (b *castImpl) AS_DECIMAL() FloatExpression {
b.castType = "decimal"
return FloatExp(b)
}
// Cast expression AS real type
func (b *castImpl) AS_REAL() FloatExpression {
b.castType = "real"