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mariadb/mysql-test/suite/innodb_fts/t/sync.test
Aleksey Midenkov e056efdd6c MDEV-25004 Missing row in FTS_DOC_ID_INDEX during DELETE HISTORY
1. In case of system-versioned table add row_end into FTS_DOC_ID index
   in fts_create_common_tables() and innobase_create_key_defs().
   fts_n_uniq() returns 1 or 2 depending on whether the table is
   system-versioned.

   After this patch recreate of FTS_DOC_ID index is required for
   existing system-versioned tables. If you see this message in error
   log or server warnings: "InnoDB: Table db/t1 contains 2 indexes
   inside InnoDB, which is different from the number of indexes 1
   defined in the MariaDB" use this command to fix the table:

      ALTER TABLE db.t1 FORCE;

2. Fix duplicate history for secondary unique index like it was done
   in MDEV-23644 for clustered index (932ec586aa). In case of
   existing history row which conflicts with currently inseted row we
   check in row_ins_scan_sec_index_for_duplicate() whether that row
   was inserted as part of current transaction. In that case we
   indicate with DB_FOREIGN_DUPLICATE_KEY that new history row is not
   needed and should be silently skipped.

3. Some parts of MDEV-21138 (7410ff436e) reverted. Skipping of
   FTS_DOC_ID index for history rows made problems with purge
   system. Now this is fixed differently by p.2.

4. wait_all_purged.inc checks that we didn't affect non-history rows
   so they are deleted and purged correctly.

Additional FTS fixes

  fts_init_get_doc_id(): exclude history rows from max_doc_id
  calculation. fts_init_get_doc_id() callback is used only for crash
  recovery.

  fts_add_doc_by_id(): set max value for row_end field.

  fts_read_stopword(): stopwords table can be system-versioned too. We
  now read stopwords only for current data.

  row_insert_for_mysql(): exclude history rows from doc_id validation.

  row_merge_read_clustered_index(): exclude history_rows from doc_id
  processing.

  fts_load_user_stopword(): for versioned table retrieve row_end field
  and skip history rows. For non-versioned table we retrieve 'value'
  field twice (just for uniformity).

FTS tests for System Versioning now include maybe_versioning.inc which
adds 3 combinations:

'vers'     for debug build sets sysvers_force and
	   sysvers_hide. sysvers_force makes every created table
	   system-versioned, sysvers_hide hides WITH SYSTEM VERSIONING
	   for SHOW CREATE.

	   Note: basic.test, stopword.test and versioning.test do not
	   require debug for 'vers' combination. This is controlled by
	   $modify_create_table in maybe_versioning.inc and these
	   tests run WITH SYSTEM VERSIONING explicitly which allows to
	   test 'vers' combination on non-debug builds.

'vers_trx' like 'vers' sets sysvers_force_trx and sysvers_hide. That
	   tests FTS with trx_id-based System Versioning.

'orig' 	   works like before: no System Versioning is added, no debug is
	   required.

Upgrade/downgrade test for System Versioning is done by
innodb_fts.versioning. It has 2 combinations:

'prepare' makes binaries in std_data (requires old server and OLD_BINDIR).
	  It tests upgrade/downgrade against old server as well.

'upgrade' tests upgrade against binaries in std_data.

Cleanups:

Removed innodb-fts-stopword.test as it duplicates stopword.test
2022-12-27 00:02:02 +03:00

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#
# BUG#22516559 MYSQL INSTANCE STALLS WHEN SYNCING FTS INDEX
#
--source include/have_innodb.inc
--source include/have_debug_sync.inc
--source include/not_valgrind.inc
--source include/not_embedded.inc
--source include/not_crashrep.inc
--source include/maybe_versioning.inc
connect (con1,localhost,root,,);
connection default;
--echo # Case 1: Test select and insert(row in both disk and cache)
CREATE TABLE t1 (
FTS_DOC_ID BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
FULLTEXT(title)
) ENGINE = InnoDB;
INSERT INTO t1(title) VALUES('mysql');
INSERT INTO t1(title) VALUES('database');
connection con1;
SET @old_dbug = @@SESSION.debug_dbug;
SET debug_dbug = '+d,fts_instrument_sync_debug';
SET DEBUG_SYNC= 'fts_write_node SIGNAL written WAIT_FOR selected';
send INSERT INTO t1(title) VALUES('mysql database');
connection default;
SET DEBUG_SYNC= 'now WAIT_FOR written';
SET GLOBAL innodb_ft_aux_table="test/t1";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
SET GLOBAL innodb_ft_aux_table=default;
SELECT * FROM t1 WHERE MATCH(title) AGAINST('mysql database');
SET DEBUG_SYNC= 'now SIGNAL selected';
connection con1;
--reap
SET @old_dbug = @@SESSION.debug_dbug;
SET GLOBAL innodb_ft_aux_table="test/t1";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
SET GLOBAL innodb_ft_aux_table=default;
SELECT * FROM t1 WHERE MATCH(title) AGAINST('mysql database');
connection default;
DROP TABLE t1;
--echo # Case 2: Test insert and insert(sync)
CREATE TABLE t1 (
FTS_DOC_ID BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
FULLTEXT(title)
) ENGINE = InnoDB;
INSERT INTO t1(title) VALUES('mysql');
INSERT INTO t1(title) VALUES('database');
connection con1;
SET debug_dbug = '+d,fts_instrument_sync_debug';
SET DEBUG_SYNC= 'fts_write_node SIGNAL written WAIT_FOR inserted';
send INSERT INTO t1(title) VALUES('mysql database');
connection default;
SET DEBUG_SYNC= 'now WAIT_FOR written';
INSERT INTO t1(title) VALUES('mysql database');
SET DEBUG_SYNC= 'now SIGNAL inserted';
connection con1;
--reap
SET debug_dbug = @old_dbug;
SET GLOBAL innodb_ft_aux_table="test/t1";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
SET GLOBAL innodb_ft_aux_table=default;
SELECT * FROM t1 WHERE MATCH(title) AGAINST('mysql database');
connection default;
disconnect con1;
DROP TABLE t1;
--echo # Case 3: Test insert crash recovery
--let $_expect_file_name=$MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect
CREATE TABLE t1 (
FTS_DOC_ID BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
FULLTEXT(title)
) ENGINE = InnoDB;
INSERT INTO t1(title) VALUES('database');
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
SET debug_dbug = '+d,fts_instrument_sync_debug,fts_write_node_crash';
--error 2013
INSERT INTO t1(title) VALUES('mysql');
--source include/start_mysqld.inc
-- echo After restart
# PAGE_ROOT_AUTO_INC could contain last failed autoinc value. Avoid
# doing show the result of auto increment field
SELECT title FROM t1 WHERE MATCH(title) AGAINST ('mysql database');
SET @old_dbug = @@SESSION.debug_dbug;
SET debug_dbug = '+d,fts_instrument_sync_debug';
INSERT INTO t1(title) VALUES('mysql');
SET debug_dbug = @old_dbug;
SELECT title FROM t1 WHERE MATCH(title) AGAINST ('mysql database');
DROP TABLE t1;
--echo # Case 4: Test sync commit & rollback in background
CREATE TABLE t1(
id INT AUTO_INCREMENT,
title VARCHAR(100),
FULLTEXT(title),
PRIMARY KEY(id)) ENGINE=InnoDB;
SET debug_dbug = '+d,fts_instrument_sync';
INSERT INTO t1(title) VALUES('mysql');
SET debug_dbug = @old_dbug;
--source include/restart_mysqld.inc
SET @old_global_dbug = @@GLOBAL.debug_dbug;
SET @old_dbug = @@SESSION.debug_dbug;
SET GLOBAL debug_dbug='+d,fts_instrument_sync,fts_instrument_sync_interrupted';
INSERT INTO t1(title) VALUES('database');
SET GLOBAL debug_dbug = @old_global_dbug;
SET debug_dbug = '+d,fts_instrument_sync_debug';
INSERT INTO t1(title) VALUES('good');
SET debug_dbug = @old_dbug;
SET GLOBAL innodb_ft_aux_table="test/t1";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
SET GLOBAL innodb_ft_aux_table=default;
SELECT * FROM t1 WHERE MATCH(title) AGAINST ('mysql database good');
DROP TABLE t1;