Simplify THD::decide_logging_format()
Fixed some test for future when DELETE will not trigger row based replication
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6c173324ff
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@ -31,7 +31,8 @@ CREATE TABLE t3 ( i1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (i1) );
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CREATE TRIGGER tr1 AFTER DELETE ON t2 FOR EACH ROW INSERT INTO t3 () VALUES ();
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CREATE TEMPORARY TABLE t1_tmp (i1 int);
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ALTER TABLE t1_tmp ADD COLUMN b INT;
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DELETE FROM t2;
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INSERT INTO t1 values(1);
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INSERT INTO t2 (i1) select * from t1;
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CREATE TEMPORARY TABLE t2_tmp (a int);
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ALTER TABLE t1_tmp ADD COLUMN c INT;
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### assertion: assert that there is one open temp table on slave
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@ -66,6 +67,13 @@ slave-bin.000001 # Gtid # # GTID #-#-#
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slave-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE t1_tmp (i1 int)
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slave-bin.000001 # Gtid # # GTID #-#-#
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slave-bin.000001 # Query # # use `test`; ALTER TABLE t1_tmp ADD COLUMN b INT
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slave-bin.000001 # Gtid # # BEGIN GTID #-#-#
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slave-bin.000001 # Query # # use `test`; INSERT INTO t1 values(1)
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slave-bin.000001 # Xid # # COMMIT /* XID */
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slave-bin.000001 # Gtid # # BEGIN GTID #-#-#
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slave-bin.000001 # Table_map # # table_id: # (test.t2)
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slave-bin.000001 # Write_rows_v1 # # table_id: # flags: STMT_END_F
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slave-bin.000001 # Query # # COMMIT
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slave-bin.000001 # Gtid # # GTID #-#-#
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slave-bin.000001 # Query # # DROP TEMPORARY TABLE IF EXISTS `test`.`t1_tmp` /* generated by server */
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slave-bin.000001 # Gtid # # GTID #-#-#
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@ -102,7 +102,8 @@ CREATE TEMPORARY TABLE t1_tmp (i1 int);
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ALTER TABLE t1_tmp ADD COLUMN b INT;
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# action: force switch to RBR
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DELETE FROM t2;
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INSERT INTO t1 values(1);
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INSERT INTO t2 (i1) select * from t1;
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# assertion: assert that t2_tmp will not make into the binlog (RBR logging atm)
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CREATE TEMPORARY TABLE t2_tmp (a int);
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163
sql/sql_class.cc
163
sql/sql_class.cc
@ -5528,94 +5528,6 @@ int xid_cache_iterate(THD *thd, my_hash_walk_action action, void *arg)
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&argument);
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}
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/*
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Tells if two (or more) tables have auto_increment columns and we want to
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lock those tables with a write lock.
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SYNOPSIS
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has_two_write_locked_tables_with_auto_increment
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tables Table list
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NOTES:
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Call this function only when you have established the list of all tables
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which you'll want to update (including stored functions, triggers, views
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inside your statement).
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*/
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static bool
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has_write_table_with_auto_increment(TABLE_LIST *tables)
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{
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for (TABLE_LIST *table= tables; table; table= table->next_global)
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{
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/* we must do preliminary checks as table->table may be NULL */
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if (!table->placeholder() &&
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table->table->found_next_number_field &&
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(table->lock_type >= TL_WRITE_ALLOW_WRITE))
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return 1;
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}
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return 0;
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}
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/*
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checks if we have select tables in the table list and write tables
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with auto-increment column.
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SYNOPSIS
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has_two_write_locked_tables_with_auto_increment_and_select
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tables Table list
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RETURN VALUES
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-true if the table list has atleast one table with auto-increment column
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and atleast one table to select from.
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-false otherwise
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*/
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static bool
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has_write_table_with_auto_increment_and_select(TABLE_LIST *tables)
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{
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bool has_select= false;
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bool has_auto_increment_tables = has_write_table_with_auto_increment(tables);
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for(TABLE_LIST *table= tables; table; table= table->next_global)
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{
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if (!table->placeholder() &&
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(table->lock_type <= TL_READ_NO_INSERT))
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{
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has_select= true;
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break;
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}
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}
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return(has_select && has_auto_increment_tables);
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}
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/*
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Tells if there is a table whose auto_increment column is a part
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of a compound primary key while is not the first column in
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the table definition.
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@param tables Table list
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@return true if the table exists, fais if does not.
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*/
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static bool
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has_write_table_auto_increment_not_first_in_pk(TABLE_LIST *tables)
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{
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for (TABLE_LIST *table= tables; table; table= table->next_global)
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{
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/* we must do preliminary checks as table->table may be NULL */
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if (!table->placeholder() &&
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table->table->found_next_number_field &&
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(table->lock_type >= TL_WRITE_ALLOW_WRITE)
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&& table->table->s->next_number_keypart != 0)
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return 1;
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}
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return 0;
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}
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/**
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Decide on logging format to use for the statement and issue errors
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@ -5746,17 +5658,24 @@ int THD::decide_logging_format(TABLE_LIST *tables)
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If different types of engines are about to be updated.
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For example: Innodb and Falcon; Innodb and MyIsam.
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*/
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my_bool multi_write_engine= FALSE;
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bool multi_write_engine= FALSE;
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/*
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If different types of engines are about to be accessed
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and any of them is about to be updated. For example:
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Innodb and Falcon; Innodb and MyIsam.
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*/
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my_bool multi_access_engine= FALSE;
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bool multi_access_engine= FALSE;
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/*
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Identifies if a table is changed.
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*/
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my_bool is_write= FALSE;
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bool is_write= FALSE; // If any write tables
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bool has_read_tables= FALSE; // If any read only tables
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bool has_auto_increment_write_tables= FALSE; // Write with auto-increment
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/* If a write table that doesn't have auto increment part first */
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bool has_write_table_auto_increment_not_first_in_pk= FALSE;
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bool has_auto_increment_write_tables_not_first= FALSE;
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bool found_first_not_own_table= FALSE;
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/*
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A pointer to a previous table that was changed.
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*/
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@ -5800,31 +5719,6 @@ int THD::decide_logging_format(TABLE_LIST *tables)
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}
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#endif
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if (wsrep_binlog_format() != BINLOG_FORMAT_ROW && tables)
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{
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/*
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DML statements that modify a table with an auto_increment column based on
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rows selected from a table are unsafe as the order in which the rows are
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fetched fron the select tables cannot be determined and may differ on
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master and slave.
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*/
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if (has_write_table_with_auto_increment_and_select(tables))
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lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_WRITE_AUTOINC_SELECT);
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if (has_write_table_auto_increment_not_first_in_pk(tables))
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lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_AUTOINC_NOT_FIRST);
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/*
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A query that modifies autoinc column in sub-statement can make the
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master and slave inconsistent.
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We can solve these problems in mixed mode by switching to binlogging
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if at least one updated table is used by sub-statement
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*/
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if (lex->requires_prelocking() &&
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has_write_table_with_auto_increment(lex->first_not_own_table()))
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lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_AUTOINC_COLUMNS);
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}
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/*
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Get the capabilities vector for all involved storage engines and
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mask out the flags for the binary log.
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@ -5863,9 +5757,22 @@ int THD::decide_logging_format(TABLE_LIST *tables)
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continue;
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}
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}
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if (table == lex->first_not_own_table())
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found_first_not_own_table= true;
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replicated_tables_count++;
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if (table->lock_type <= TL_READ_NO_INSERT)
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has_read_tables= true;
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else if (table->table->found_next_number_field &&
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(table->lock_type >= TL_WRITE_ALLOW_WRITE))
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{
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has_auto_increment_write_tables= true;
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has_auto_increment_write_tables_not_first= found_first_not_own_table;
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if (table->table->s->next_number_keypart != 0)
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has_write_table_auto_increment_not_first_in_pk= true;
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}
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if (table->lock_type >= TL_WRITE_ALLOW_WRITE)
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{
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if (prev_write_table && prev_write_table->file->ht !=
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@ -5910,6 +5817,30 @@ int THD::decide_logging_format(TABLE_LIST *tables)
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prev_access_table= table->table;
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}
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if (wsrep_binlog_format() != BINLOG_FORMAT_ROW)
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{
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/*
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DML statements that modify a table with an auto_increment
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column based on rows selected from a table are unsafe as the
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order in which the rows are fetched fron the select tables
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cannot be determined and may differ on master and slave.
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*/
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if (has_auto_increment_write_tables && has_read_tables)
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lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_WRITE_AUTOINC_SELECT);
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if (has_write_table_auto_increment_not_first_in_pk)
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lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_AUTOINC_NOT_FIRST);
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/*
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A query that modifies autoinc column in sub-statement can make the
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master and slave inconsistent.
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We can solve these problems in mixed mode by switching to binlogging
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if at least one updated table is used by sub-statement
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*/
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if (lex->requires_prelocking() &&
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has_auto_increment_write_tables_not_first)
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lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_AUTOINC_COLUMNS);
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}
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DBUG_PRINT("info", ("flags_write_all_set: 0x%llx", flags_write_all_set));
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DBUG_PRINT("info", ("flags_write_some_set: 0x%llx", flags_write_some_set));
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DBUG_PRINT("info", ("flags_access_some_set: 0x%llx", flags_access_some_set));
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