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When executing an atomic sequence of RENAME operations, such as:
RENAME TABLE t1 TO t2, t3 TO t4, ...
any failure in the sequence triggers a rollback of previously completed
renames to preserve atomicity.
However, when an error occurs, `my_error()` is invoked immediately, which
sets the `thd->is_error()` flag. This premature flag setting causes
the rollback logic to misinterpret the thread state, leading to incorrect
reversion behavior and assertion failures.
To address this, the errors are now not emitted immediately but captured
and postponed. A new class `Postponed_error_handler` is introduced for
this purpose. Only after all operations are completed (including
possible DDL reversion), the captured errors are emitted.
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5 KiB
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209 lines
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5 KiB
Text
#
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# Test of rename table
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#
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--source include/count_sessions.inc
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--disable_warnings
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drop table if exists t0,t1,t2,t3,t4;
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# Clear up from other tests (to ensure that SHOW TABLES below is right)
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drop table if exists t0,t5,t6,t7,t8,t9,t1_1,t1_2,t9_1,t9_2;
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--enable_warnings
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create table t0 SELECT 1,"table 1";
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create table t2 SELECT 2,"table 2";
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create table t3 SELECT 3,"table 3";
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rename table t0 to t1;
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
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select * from t1;
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
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select * from t1;
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# The following should give errors
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--error ER_TABLE_EXISTS_ERROR
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rename table t1 to t2;
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--error ER_TABLE_EXISTS_ERROR
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rename table t1 to t1;
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--error ER_TABLE_EXISTS_ERROR
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rename table t3 to t4, t2 to t3, t1 to t2, t4 to t2;
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show tables like "t_";
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--error ER_TABLE_EXISTS_ERROR
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rename table t3 to t1, t2 to t3, t1 to t2, t4 to t1;
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--error ER_NO_SUCH_TABLE
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rename table t3 to t4, t5 to t3, t1 to t2, t4 to t1;
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select * from t1;
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select * from t2;
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select * from t3;
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# This should give a warning for t4
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drop table if exists t1,t2,t3,t4;
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#
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# Bug #2397 RENAME TABLES is not blocked by
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# FLUSH TABLES WITH READ LOCK
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#
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connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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connection con1;
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CREATE TABLE t1 (a int);
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CREATE TABLE t3 (a int);
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connection con2;
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FLUSH TABLES WITH READ LOCK;
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connection con1;
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send RENAME TABLE t1 TO t2, t3 to t4;
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connection con2;
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show tables;
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UNLOCK TABLES;
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connection con1;
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reap;
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connection con2;
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# Wait for the the tables to be renamed
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# i.e the query below succeds
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let $query= select * from t2, t4;
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source include/wait_for_query_to_succeed.inc;
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show tables;
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drop table t2, t4;
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disconnect con2;
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disconnect con1;
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connection default;
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--echo End of 4.1 tests
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--echo #
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--echo # Bug#14959: "ALTER TABLE isn't able to rename a view"
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--echo # Bug#53976: "ALTER TABLE RENAME is allowed on views
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--echo # (not documented, broken)"
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--echo #
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create table t1(f1 int);
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create view v1 as select * from t1;
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--error ER_WRONG_OBJECT
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alter table v1 rename to v2;
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drop view v1;
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drop table t1;
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--echo End of 5.0 tests
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--source include/wait_until_count_sessions.inc
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#
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# Test of rename with temporary tables
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#
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CREATE OR REPLACE TABLE t1 (a INT);
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CREATE OR REPLACE TABLE t2 (a INT);
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CREATE OR REPLACE TEMPORARY TABLE t1_tmp (b INT);
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CREATE OR REPLACE TEMPORARY TABLE t2_tmp (b INT);
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# Can't rename table over another one
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--error ER_TABLE_EXISTS_ERROR
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rename table t1 to t2;
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--error ER_TABLE_EXISTS_ERROR
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rename table t1 to tmp, tmp to t2;
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--error ER_TABLE_EXISTS_ERROR
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rename table t1_tmp to t2_tmp;
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--error ER_TABLE_EXISTS_ERROR
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rename table t1_tmp to tmp, tmp to t2_tmp;
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show create table t1_tmp;
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show create table t2_tmp;
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# The following should work
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rename table t1 to t1_tmp;
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rename table t2_tmp to t2;
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rename table t2 to tmp, tmp to t2;
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rename table t1_tmp to tmp, tmp to t1_tmp;
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show tables;
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SHOW CREATE TABLE t1_tmp;
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drop table t1_tmp;
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SHOW CREATE TABLE t1_tmp;
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drop table t1_tmp;
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SHOW CREATE TABLE t2;
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drop table t2;
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SHOW CREATE TABLE t2;
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drop table t2;
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CREATE TABLE t1 (a INT);
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insert into t1 values (1);
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CREATE TEMPORARY TABLE t1 (b INT);
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insert into t1 values (2);
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RENAME TABLE t1 TO tmp, t1 TO t2;
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select * from tmp;
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select * from t2;
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drop table tmp,t2;
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#
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# MDEV-11741 handler::ha_reset(): Assertion `bitmap_is_set_all(&table->s->all_set)' failed or server crash in mi_reset or buffer overrun or unexpected ER_CANT_REMOVE_ALL_FIELDS
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#
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create table t1 (a int) engine=memory;
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--error ER_BAD_DB_ERROR
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rename table t1 to non_existent.t2;
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drop table t1;
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--echo #
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--echo # Test rename IF EXISTS
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--echo #
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rename table if exists t1 to t2;
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alter table if exists t1 rename to t2;
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create table t2 (a int);
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alter table if exists t1 rename to t2;
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rename table if exists t1 to t2;
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create table t1 (a int);
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--error ER_TABLE_EXISTS_ERROR
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rename table if exists t1 to t2;
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--error ER_TABLE_EXISTS_ERROR
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alter table if exists t1 rename to t2;
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drop table t2;
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rename table if exists t1 to t2;
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alter table if exists t2 rename to t1;
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drop table t1;
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--echo #
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--echo # MDEV-27027 Atomic DDL: Assertion `!param->got_error' failed upon
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--echo # unsuccessful multi-RENAME TABLE
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--echo #
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER tr1 AFTER INSERT ON t1 FOR EACH ROW
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INSERT INTO db.t SELECT SLEEP(0.05);
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--echo # Missing table in RENAME TABLE (should error)
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--error ER_NO_SUCH_TABLE
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RENAME TABLE t1 TO t2,
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missing1 TO m1; # this will error: missing table
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--replace_column 7 #
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SHOW CREATE TRIGGER tr1;
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CREATE TABLE t2 (a INT);
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--echo # Attempt to rename to existing table (should error)
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--error ER_TABLE_EXISTS_ERROR
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RENAME TABLE t2 TO t3,
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t1 TO t3; # this will error: table exists
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--replace_column 7 #
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SHOW CREATE TRIGGER tr1;
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--echo # Test multiple warnings captured during renaming
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RENAME TABLE IF EXISTS
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missing1 TO m1,
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missing2 TO m2,
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t2 TO t3, # this rename succeeds
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missing3 TO m3;
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--error ER_TABLE_EXISTS_ERROR
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RENAME TABLE IF EXISTS
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missing1 TO m1,
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t1 TO t3, # this will error: table exists
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missing2 TO m2;
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DROP TABLE t1, t3; |