fix(parser): restore table option INSERT_METHOD should use WriteKeyWo…

…rd (#38355) (#38394) close #38368
pingcap · Oct 12, 2022 · df3e644 · df3e644
1 parent 5f8fc3f
commit df3e644
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/parser/ast/ddl.go b/parser/ast/ddl.go
@@ -2310,7 +2310,7 @@ func (n *TableOption) Restore(ctx *format.RestoreCtx) error {
 	case TableOptionInsertMethod:
 		ctx.WriteKeyWord("INSERT_METHOD ")
 		ctx.WritePlain("= ")
-		ctx.WriteString(n.StrValue)
+		ctx.WriteKeyWord(n.StrValue)
 	case TableOptionTableCheckSum:
 		ctx.WriteKeyWord("TABLE_CHECKSUM ")
 		ctx.WritePlain("= ")

diff --git a/parser/parser_test.go b/parser/parser_test.go
@@ -2950,8 +2950,8 @@ func TestDDL(t *testing.T) {
 		{"ALTER TABLE t ENGINE = 'innodb'", true, "ALTER TABLE `t` ENGINE = innodb"},
 		{"ALTER TABLE t ENGINE = innodb", true, "ALTER TABLE `t` ENGINE = innodb"},
 		{"ALTER TABLE `db`.`t` ENGINE = ``", true, "ALTER TABLE `db`.`t` ENGINE = ''"},
-		{"ALTER TABLE t INSERT_METHOD = FIRST", true, "ALTER TABLE `t` INSERT_METHOD = 'FIRST'"},
-		{"ALTER TABLE t INSERT_METHOD LAST", true, "ALTER TABLE `t` INSERT_METHOD = 'LAST'"},
+		{"ALTER TABLE t INSERT_METHOD = FIRST", true, "ALTER TABLE `t` INSERT_METHOD = FIRST"},
+		{"ALTER TABLE t INSERT_METHOD LAST", true, "ALTER TABLE `t` INSERT_METHOD = LAST"},
 		{"ALTER TABLE t ADD COLUMN a SMALLINT UNSIGNED, ADD COLUMN a SMALLINT", true, "ALTER TABLE `t` ADD COLUMN `a` SMALLINT UNSIGNED, ADD COLUMN `a` SMALLINT"},
 		{"ALTER TABLE t ADD COLUMN a SMALLINT, ENGINE = '', default COLLATE = UTF8_GENERAL_CI", true, "ALTER TABLE `t` ADD COLUMN `a` SMALLINT, ENGINE = '', DEFAULT COLLATE = UTF8_GENERAL_CI"},
 		{"ALTER TABLE t ENGINE = '', COMMENT='', default COLLATE = UTF8_GENERAL_CI", true, "ALTER TABLE `t` ENGINE = '', COMMENT = '', DEFAULT COLLATE = UTF8_GENERAL_CI"},
@@ -3589,6 +3589,9 @@ func TestDDL(t *testing.T) {
 		{"ALTER TABLE t STATS_OPTIONS=default", true, "ALTER TABLE `t` STATS_OPTIONS=DEFAULT"},
 		{"ALTER TABLE t STATS_OPTIONS=DeFaUlT", true, "ALTER TABLE `t` STATS_OPTIONS=DEFAULT"},
 		{"ALTER TABLE t STATS_OPTIONS", false, ""},
+
+		// Restore INSERT_METHOD table option
+		{"CREATE TABLE t (a int) INSERT_METHOD=FIRST", true, "CREATE TABLE `t` (`a` INT) INSERT_METHOD = FIRST"},
 	}
 	RunTest(t, table, false)
 }