mysql: ignore zerofill on type (#3342)

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Author: serprex

flow/e2e/clickhouse/mysql_test.go

@@ -27,8 +27,8 @@ func (s ClickHouseSuite) Test_UnsignedMySQL() {
 		id serial primary key,
 		i8 tinyint, u8 tinyint unsigned,
 		i16 smallint, u16 smallint unsigned,
-		i24 mediumint, u24 mediumint unsigned,
-		i32 int, u32 int unsigned,
+		i24 mediumint zerofill, u24 mediumint unsigned,
+		i32 int, u32 int unsigned zerofill,
 		i64 bigint, u64 bigint unsigned,
 		d decimal(7, 6), b boolean
 	)`, srcFullName)))

flow/shared/mysql/type_conversion.go

@@ -8,6 +8,7 @@ import (
 )
 
 func QkindFromMysqlColumnType(ct string) (types.QValueKind, error) {
+	ct, _ = strings.CutSuffix(ct, " zerofill")
 	ct, isUnsigned := strings.CutSuffix(ct, " unsigned")
 	ct, param, _ := strings.Cut(ct, "(")
 	switch strings.ToLower(ct) {