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MySQL int expressions.

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This commit is contained in:
go-jet 2019-07-31 13:02:30 +02:00
parent 163ecf4c42
commit fcce8d4262
19 changed files with 654 additions and 168 deletions
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54
dialects.go
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@ -28,6 +28,9 @@ func newMySQLDialect() Dialect {
mySQLDialect.SerializeOverrides["IS DISTINCT FROM"] = mysql_IS_DISTINCT_FROM
mySQLDialect.SerializeOverrides["IS NOT DISTINCT FROM"] = mysql_IS_NOT_DISTINCT_FROM
mySQLDialect.SerializeOverrides["/"] = mysql_DIVISION
mySQLDialect.SerializeOverrides["#"] = mysql_BIT_XOR
mySQLDialect.AliasQuoteChar = '"'
mySQLDialect.IdentifierQuoteChar = '"'
mySQLDialect.ArgumentPlaceholder = func(int) string {
@ -63,6 +66,57 @@ func newDialect(name, packageName string) Dialect {
return newDialect
}
func mysql_BIT_XOR(expressions ...Expression) serializeFunc {
return func(statement statementType, out *sqlBuilder, options ...serializeOption) error {
if len(expressions) != 2 {
return errors.New("Invalid number of expressions for operator")
}
lhs := expressions[0]
rhs := expressions[1]
if err := lhs.serialize(statement, out, options...); err != nil {
return err
}
out.writeString("^")
if err := rhs.serialize(statement, out, options...); err != nil {
return err
}
return nil
}
}
func mysql_DIVISION(expressions ...Expression) serializeFunc {
return func(statement statementType, out *sqlBuilder, options ...serializeOption) error {
if len(expressions) != 2 {
return errors.New("Invalid number of expressions for operator")
}
lhs := expressions[0]
rhs := expressions[1]
if err := lhs.serialize(statement, out, options...); err != nil {
return err
}
_, isLhsInt := lhs.(IntegerExpression)
_, isRhsInt := rhs.(IntegerExpression)
if isLhsInt && isRhsInt {
out.writeString("DIV")
} else {
out.writeString("/")
}
if err := rhs.serialize(statement, out, options...); err != nil {
return err
}
return nil
}
}
func mysql_IS_NOT_DISTINCT_FROM(expressions ...Expression) serializeFunc {
return func(statement statementType, out *sqlBuilder, options ...serializeOption) error {
if len(expressions) != 2 {