--source include/have_innodb.inc let $datadir=`select @@datadir`; --echo # --echo # TRUNCATE TABLE --echo # --echo # Truncating is disallowed for parent tables unless such table --echo # participates in self-referencing foreign keys only. --echo # CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=INNODB; CREATE TABLE t2 (fk INT NOT NULL, FOREIGN KEY (fk) REFERENCES t1 (pk)) ENGINE=INNODB; --error ER_TRUNCATE_ILLEGAL_FK TRUNCATE TABLE t1; --echo # Truncation of child should succeed. TRUNCATE TABLE t2; DROP TABLE t2; DROP TABLE t1; CREATE TABLE t1 (pk INT PRIMARY KEY, fk INT, FOREIGN KEY (fk) REFERENCES t1 (pk)) ENGINE=INNODB; --echo # Truncation of self-referencing table should succeed. TRUNCATE TABLE t1; DROP TABLE t1; --echo # --echo # Also, truncating such tables is allowed if foreign key --echo # checks are disabled. --echo # SET @old_foreign_key_checks = @@SESSION.foreign_key_checks; CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=INNODB; CREATE TABLE t2 (fk INT NOT NULL, FOREIGN KEY (fk) REFERENCES t1 (pk)) ENGINE=INNODB; CREATE TABLE t3 (pk INT PRIMARY KEY, fk INT, FOREIGN KEY (fk) REFERENCES t1 (pk)) ENGINE=INNODB; SET @@SESSION.foreign_key_checks = 0; TRUNCATE TABLE t1; TRUNCATE TABLE t2; TRUNCATE TABLE t3; SET @@SESSION.foreign_key_checks = 1; --error ER_TRUNCATE_ILLEGAL_FK TRUNCATE TABLE t1; TRUNCATE TABLE t2; TRUNCATE TABLE t3; LOCK TABLES t1 WRITE; SET @@SESSION.foreign_key_checks = 0; TRUNCATE TABLE t1; SET @@SESSION.foreign_key_checks = 1; --error ER_TRUNCATE_ILLEGAL_FK TRUNCATE TABLE t1; UNLOCK TABLES; DROP TABLE t3,t2,t1; SET @@SESSION.foreign_key_checks = @old_foreign_key_checks; --echo # --echo # Test that TRUNCATE resets auto-increment. --echo # CREATE TABLE t1 (a INT PRIMARY KEY NOT NULL AUTO_INCREMENT, b INT, c INT, d INT, e INT, f INT, g INT, h INT, i INT, j INT, k INT, l INT, m INT, n INT, o INT, p INT, q INT, r INT, s INT, t INT, u INT, KEY(b),KEY(c),KEY(d),KEY(e),KEY(f),KEY(g),KEY(h),KEY(i),KEY(j),KEY(k), KEY(l),KEY(m),KEY(n),KEY(o),KEY(p),KEY(q),KEY(r),KEY(s),KEY(t),KEY(u), KEY(c,b),KEY(d,b),KEY(e,b),KEY(f,b),KEY(g,b),KEY(h,b),KEY(i,b),KEY(j,b), KEY(k,b),KEY(l,b),KEY(m,b),KEY(n,b),KEY(o,b),KEY(p,b),KEY(q,b),KEY(r,b), KEY(s,b),KEY(t,b),KEY(u,b), KEY(d,c),KEY(e,c),KEY(f,c),KEY(g,c),KEY(h,c),KEY(i,c),KEY(j,c), KEY(k,c),KEY(l,c),KEY(m,c),KEY(n,c),KEY(o,c),KEY(p,c),KEY(q,c),KEY(r,c), KEY(s,c),KEY(t,c),KEY(u,c), KEY(e,d),KEY(f,d),KEY(g,d),KEY(h,d),KEY(i,d),KEY(j,d) ) ENGINE=InnoDB; INSERT INTO t1 () VALUES (), (); SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't1'; SELECT a FROM t1 ORDER BY a; TRUNCATE TABLE t1; SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE table_name = 't1'; INSERT INTO t1 () VALUES (), (); SELECT a FROM t1 ORDER BY a; DROP TABLE t1; # # MDEV-18923 Assertion `!lex_string_cmp(system_charset_info, fk_info->referenced_table, &table->s->table_name)' failed in fk_truncate_illegal_if_parent # call mtr.add_suppression('InnoDB: in RENAME TABLE table `test`.`t3`'); SET FOREIGN_KEY_CHECKS= OFF; CREATE TABLE t1 (f2 INT, f4 INT, KEY(f2), FOREIGN KEY (f4) REFERENCES t3 (f4)) ENGINE=InnoDB; SET FOREIGN_KEY_CHECKS= ON; CREATE TABLE t2 (f2 INT, FOREIGN KEY(f2) REFERENCES t1 (f2)) ENGINE=InnoDB; --error ER_CANT_CREATE_TABLE CREATE TABLE t3 (a INT) ENGINE=InnoDB; --replace_result $datadir ./ --error ER_ERROR_ON_RENAME ALTER TABLE t1 RENAME TO t3; ALTER TABLE t1 FORCE; --error ER_TRUNCATE_ILLEGAL_FK TRUNCATE TABLE t1; DROP TABLE t2, t1; --echo # --echo # MDEV-24861 Assertion `trx->rsegs.m_redo.rseg' failed --echo # in innodb_prepare_commit_versioned --echo # CREATE TABLE t1 (id INT PRIMARY KEY, f TEXT UNIQUE, s BIGINT UNSIGNED AS ROW START, e BIGINT UNSIGNED AS ROW END, PERIOD FOR SYSTEM_TIME(s,e)) ENGINE=InnoDB WITH SYSTEM VERSIONING; CREATE TABLE t2 (id INT PRIMARY KEY) ENGINE=InnoDB; ALTER TABLE t1 FORCE; TRUNCATE TABLE t2; DROP TABLE t1, t2; --echo # End of 10.6 tests