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Handle unsupported set operators for MySQL.

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go-jet 2019-08-08 11:44:19 +02:00
parent 4c5584aaae
commit 7930fb23ba
4 changed files with 133 additions and 13 deletions
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14
mysql/dialect.go
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@ -15,6 +15,8 @@ func NewDialect() jet.Dialect {
serializeOverrides["/"] = mysql_DIVISION
serializeOverrides["#"] = mysql_BIT_XOR
serializeOverrides[jet.StringConcatOperator] = mysql_CONCAT_operator
serializeOverrides[jet.Except] = mysql_EXCEPT
serializeOverrides[jet.Intersect] = mysql_INTERSECT
mySQLDialectParams := jet.DialectParams{
Name: "MySQL",
@ -31,6 +33,18 @@ func NewDialect() jet.Dialect {
return jet.NewDialect(mySQLDialectParams)
}
func mysql_EXCEPT(expressions ...jet.Expression) jet.SerializeFunc {
return func(statement jet.StatementType, out *jet.SqlBuilder, options ...jet.SerializeOption) error {
panic("jet: MySQL does not support EXCEPT operator.")
}
}
func mysql_INTERSECT(expressions ...jet.Expression) jet.SerializeFunc {
return func(statement jet.StatementType, out *jet.SqlBuilder, options ...jet.SerializeOption) error {
panic("jet: MySQL does not support INTERSECT operator.")
}
}
func mysql_BIT_XOR(expressions ...jet.Expression) jet.SerializeFunc {
return func(statement jet.StatementType, out *jet.SqlBuilder, options ...jet.SerializeOption) error {
if len(expressions) != 2 {

4
mysql/statements.go
View file

@ -15,10 +15,6 @@ var (
var UNION = jet.UNION
var UNION_ALL = jet.UNION_ALL
var INTERSECT = jet.INTERSECT
var INTERSECT_ALL = jet.INTERSECT_ALL
var EXCEPT = jet.EXCEPT
var EXCEPT_ALL = jet.EXCEPT_ALL
//-----------------literals----------------------//