mariadb

Commit Graph

Author	SHA1	Message	Date
Michael Widenius	c36bdf1c88	Speedup: - Don't call update_virtual_fields() if table->vfield is not set - Don't prealloc memory for in open_tables() as this is very seldom used. sql/records.cc: Don't call update_virtual_fields() if table->vfield is not set sql/sql_base.cc: Don't prealloc memory for in open_tables() as this is very seldom used. Don't call update_virtual_fields() if table->vfield is not set sql/sql_delete.cc: Don't call update_virtual_fields() if table->vfield is not set sql/sql_handler.cc: Don't call update_virtual_fields() if table->vfield is not set sql/sql_join_cache.cc: Don't call update_virtual_fields() if table->vfield is not set Move some frequent values to local variables sql/sql_table.cc: Don't call update_virtual_fields() if table->vfield is not set sql/sql_update.cc: Don't call update_virtual_fields() if table->vfield is not set sql/table.cc: Assert if update_virtual_fields is called with wrong parameters	14 years ago
Sergey Petrunya	d028d986a9	BUG#952297: Server crashes on 2nd execution of PS in Field::is_null with semijoin+materialization - The bug would show up - when using PS (so that we get re-execution) - the left_expr of the subquery is a reference to viewname.column_name, so that it crashes when one tries to use it without having called fix_fields for it. - when using SJ-Materialization, which makes use of sj_subq_pred->left_expr expression - The fix is to have setup_conds() fix sj_subq_pred->left_expr for semi-join nests it finds.	14 years ago
Michael Widenius	e4e85cd2ef	Fixed lp:925377 "Querying myisam table metadata while 'alter table..enable keys' is running may corrupt the table" Fixed wrong mutex order bug in Aria when flush_log_for_bitmap() was called when table is not yet marked for change. include/my_base.h: Added flag that table is opened only for status mysql-test/r/myisam-big.result: Test case for lp:925377 mysql-test/t/myisam-big.test: Test case for lp:925377 sql/sql_base.cc: If thd->version == 0 (happens only when we are opening a table that is flushed under MYSQL_LOCK_IGNORE_FLUSH), open the table in HA_OPEN_FOR_STATUS mode storage/maria/ma_bitmap.c: Fixed wrong mutex order bug in Aria when flush_log_for_bitmap() was called when table is not yet marked for change. storage/maria/ma_dbug.c: Ignore last_version <= 1 as these are either flushed or only opened for status storage/maria/ma_open.c: Use last_version=1 as a marker that table was opened with HA_OPEN_FOR_STATUS. In this case we just open a new version of the table in read only mode. storage/myisam/mi_create.c: Update prototype storage/myisam/mi_dbug.c: Ignore last_version <= 1 as these are either flushed or only opened for status storage/myisam/mi_open.c: Use last_version=1 as a marker that table was opened with HA_OPEN_FOR_STATUS. If HA_OPEN_FOR_STATUS is used, we will not assert if there is an old not-to-be-used version of the table existing. In this case we just open a new version of the table in read only mode. storage/myisam/myisamdef.h: Updated prototype	14 years ago
Michael Widenius	2b625ac3e0	Fixed lp:933719, "Assertion open_tables == 0 ... " in THD::restore_backup_open_tables_state. This also fixes a (not likely) crashing bug when forcing a thread that was doing a table lock to re-open it's files, for example by creating a trigger. mysys/thr_lock.c: Added more checking to find wrong locks. Removed one, not needed, parameter to thr_lock sql/lock.cc: Fixed mysql_lock_tables() to retry with new sql_lock if lock fails. This was needed as table may be closed and reopened between retry's and then the old sql_lock will point to stale data. sql/mysql_priv.h: Updated prototype sql/sql_base.cc: Ensure that all tables are closed if opening of system table failes; This fixes the assert in THD::restore_backup_open_tables_state sql/sql_handler.cc: Updated variable type	14 years ago
unknown	764eeeee74	Fix for LP BUG#910123 MariaDB 5.3.3 causes 1093 error on Drupal Problem was that now we can merge derived table (subquery in the FROM clause). Fix: in case of detected conflict and presence of derived table "over" the table which cased the conflict - try materialization strategy.	14 years ago
unknown	79a04a2c9c	Moving LP BUG#794005 to 5.3 + fixing INSERT of multi-table view.	14 years ago
Igor Babaev	40c42468bc	Fixed LP bug #806057 . A table expression with a natural join or a USING clause is transformed into an equivalent expression with equi-join ON conditions. If a reference to a virtual column happened to occur only in these generated equi-join conditions then it was not erroneously marked in the TABLE::vcol_set bitmap. This could lead to wrong results for queries containing natural join expressions or USING clauses.	14 years ago
Michael Widenius	1485874619	Rewrite IGNORE handling: - Instead of supressing all errors, only suppress safe ones like: ER_DUP_KEY, ER_BAD_NULL_ERROR, ER_SUBQUERY_NO_1_ROW, ER_ROW_IS_REFERENCED_2	14 years ago
Michael Widenius	692fcba403	Fixed compiler warnings and other bugs found by buildbot. client/mysqltest.cc: Free mutex after usage (fixes valgrind warnings in embedded server) mysql-test/include/gis_keys.inc: Fixed failure in innodb.gis_test mysql-test/r/gis.result: Updated result mysql-test/suite/innodb/r/innodb_gis.result: Updated results mysql-test/suite/innodb/t/innodb_bug38231.test: Added handling of timeouts (happend on some servers in buildbot) mysql-test/suite/innodb_plugin/r/innodb_gis.result: Updated results mysql-test/suite/innodb_plugin/t/innodb.test: Use error names instead of numbers mysql-test/suite/innodb_plugin/t/innodb_misc1.test: This test requires utf8 mysql-test/suite/innodb_plugin/t/innodb_mysql.test: This test requires Xtradb sql/sql_base.cc: Don't print table names for placeholders. sql/sql_show.cc: Temporary fix: Save and restore db and table_name in mysqld_show_create (to get rid of valgrind warning) A better solution that needs to be investgated is to not change these fields in mysql_derived_prepare() sql/sql_view.cc: Fixed valgrind warning storage/xtradb/handler/ha_innodb.cc: Don't access THD directly	14 years ago
Sergei Golubchik	e79847d16a	after merge fixes sql/sql_base.cc: fix a memory leak storage/xtradb/handler/ha_innodb.cc: fix for a visual studio storage/xtradb/row/row0ins.c: valgrind complains about uninitialized variable. incorrect errors in the innodb.test too	14 years ago
Igor Babaev	3c496ea9ad	Fixed LP bug #892725 . A non-first execution of a prepared statement missed a call of the TABLE_LIST::process_index_hints() method in the code of the function setup_tables(). At some scenarios this could lead to the choice of a quite inefficient execution plan for the base query of the prepared statement.	14 years ago
unknown	1d721d0106	Fix MySQL BUG#12329653 In MariaDB, when running in ONLY_FULL_GROUP_BY mode, the server produced in incorrect error message that there is an aggregate function without GROUP BY, for artificially created MIN/MAX functions during subquery MIN/MAX optimization. The fix introduces a way to distinguish between artifially created MIN/MAX functions as a result of a rewrite, and normal ones present in the query. The test for ONLY_FULL_GROUP_BY violation now tests in addition if a MIN/MAX function was part of a MIN/MAX subquery rewrite. In order to be able to distinguish these MIN/MAX functions, the patch introduces an additional flag in Item_in_subselect::in_strategy - SUBS_STRATEGY_CHOSEN. This flag is set when the optimizer makes its final choice of a subuqery strategy. In order to make the choice consistent, access to Item_in_subselect::in_strategy is provided via new class methods. ****** Fix MySQL BUG#12329653 In MariaDB, when running in ONLY_FULL_GROUP_BY mode, the server produced in incorrect error message that there is an aggregate function without GROUP BY, for artificially created MIN/MAX functions during subquery MIN/MAX optimization. The fix introduces a way to distinguish between artifially created MIN/MAX functions as a result of a rewrite, and normal ones present in the query. The test for ONLY_FULL_GROUP_BY violation now tests in addition if a MIN/MAX function was part of a MIN/MAX subquery rewrite. In order to be able to distinguish these MIN/MAX functions, the patch introduces an additional flag in Item_in_subselect::in_strategy - SUBS_STRATEGY_CHOSEN. This flag is set when the optimizer makes its final choice of a subuqery strategy. In order to make the choice consistent, access to Item_in_subselect::in_strategy is provided via new class methods.	14 years ago
Michael Widenius	22e793639a	Added new options to KILL. New syntax is KILL [HARD\|SOFT] [CONNECTION\|QUERY] [ID \| USER user_name] - If USER is given, all threads for that user is signaled - If SOFT is used then the KILL will not be sent to the handler. This can be used to not interrupt critical things in the handler like 'REPAIR'. Internally added more kill signals. This gives us more information of why a query/connection was killed. - KILL_SERVER is used when server is going down. In this case the users gets ER_SHUTDOWN as the reason connection was killed. - Changed signals to number in correct order, which makes it easier to test how the signal should affect the code. - New error message ER_CONNECTION_KILLED if connection was killed by 'KILL CONNECTION'. Before we got error ER_SHUTDOWN. Changed names of not used parameters KILL_QUERY & KILL_CONNCTION to mysql_kill() to not conflict with defines in the server include/mysql.h.pp: Updated file include/mysql_com.h: Changed names of not used parameters KILL_QUERY & KILL_CONNCTION to mysql_kill() to not conflict with defines in the server mysql-test/r/kill.result: Added test of KILL USER mysql-test/suite/rpl/r/rpl_stm_000001.result: Updated error code mysql-test/suite/rpl/t/rpl_stm_000001.test: Updated error codes mysql-test/t/flush_read_lock_kill.test: Updated error codes mysql-test/t/kill.test: Added test of KILL USER plugin/handler_socket/handlersocket/database.cpp: Removed THD:: from KILL sql/debug_sync.cc: Removed THD:: from KILL sql/event_scheduler.cc: Removed THD:: from KILL sql/filesort.cc: Removed THD:: from KILL sql/ha_ndbcluster_binlog.cc: Removed THD:: from KILL sql/handler.cc: Removed THD:: from KILL Simplify code. sql/lex.h: Added new keywords HARD \| SOFT sql/log.cc: Removed THD:: from KILL Added testing of new error ER_CONNECTION_KILLED sql/log_event.cc: Removed THD:: from KILL Added testing of new error ER_CONNECTION_KILLED sql/mysql_priv.h: Added new prototypes sql/mysqld.cc: Removed THD:: from KILL Use KILL_SERVER_HARD signal on shutdown. sql/scheduler.cc: Removed THD:: from KILL Simplify test if connection should be killed sql/share/errmsg.txt: New error message ER_CONNECTION_KILLED sql/slave.cc: Removed THD:: from KILL sql/sp_head.cc: Removed THD:: from KILL sql/sql_base.cc: Removed THD:: from KILL sql/sql_cache.cc: Removed THD:: from KILL sql/sql_class.cc: Removed THD:: from KILL Added killed_errno() Only signal kill to storage engine if HARD bit is set. sql/sql_class.h: Move KILL options out from THD to make them easier to use in sql_yacc.yy sql/sql_connect.cc: Removed THD:: from KILL sql/sql_delete.cc: Removed THD:: from KILL sql/sql_error.cc: Removed THD:: from KILL sql/sql_insert.cc: Removed THD:: from KILL Simplifed testing if thread is killed. sql/sql_lex.h: Added kill options to st_lex sql/sql_load.cc: Removed THD:: from KILL sql/sql_parse.cc: Added kill options to st_lex Simplifed and optimzed testing of thd->killed at end of query Added support for KILL USER Extended sql_kill() to allow use of more kill signals. sql/sql_repl.cc: Removed THD:: from KILL sql/sql_show.cc: Removed THD:: from KILL Simplied testing if query/connection was killed sql/sql_table.cc: Removed THD:: from KILL sql/sql_update.cc: Removed THD:: from KILL sql/sql_yacc.yy: Added support for new KILL syntax: KILL [HARD\|SOFT] [CONNECTION\|QUERY] [ID \| USER user_name] storage/archive/ha_archive.cc: Simplify compilation storage/maria/ha_maria.cc: Removed THD:: from KILL	14 years ago
Sergey Petrunya	f0323a40d8	BUG#849763: Wrong result with second execution of prepared statement with semijoin + view - The problem was that Item_direct_view_ref and its embedded Item_field were getting incorrect value of item->used_tables() after fix_fields() in the second and subsequent EXECUTE. - Made relevant fixes in Item_field::fix_fields() and find_field_in_tables(), so that the Item_field gets the correct attributes.	14 years ago
Michael Widenius	8fb10c24d7	Fixed that automatic killing of delayed insert thread (in flush, alter table etc) will not abort auto-repair of MyISAM table. Give more information when finding an error in a MyISAM table. When killing system thread, use KILL_SYSTEM_THREAD instead of KILL_CONNECTION to make it easier to ignore the signal in sensitive context (like auto-repair) Added new kill level: KILL_SERVER that will in the future to be used to signal killed by shutdown. Add more warnings about killed connections when warning level > 3 include/myisamchk.h: Added counting of printed info/notes mysys/mf_iocache.c: Remove duplicate assignment sql/handler.cc: Added test of KILL_SERVER sql/log.cc: Ignore new 'kill' error ER_NEW_ABORTING_CONNECTION when requesting query error code. sql/mysqld.cc: Add more warnings for killed connections when warning level > 3 sql/scheduler.cc: Added checks for new kill signals sql/slave.cc: Ignore new kill signal ER_NEW_ABORTING_CONNECTION sql/sp_head.cc: Fixed assignment to bool Added testing of new kill signals sql/sql_base.cc: Use KILL_SYSTEM_THREAD to auto-kill system threads sql/sql_class.cc: Add more warnings for killed connections when warning level > 3 thd_killed() now ignores KILL_BAD_DATA and THD::KILL_SYSTEM_THREAD as these should not abort sensitive operations. sql/sql_class.h: Added KILL_SYSTEM_THREAD and KILL_SERVER sql/sql_connect.cc: Added handling of KILL_SERVER sql/sql_insert.cc: Use KILL_SYSTEM_THREAD to auto-kill system threads Added handling of KILL_SERVER sql/sql_parse.cc: Add more warnings for killed connections when warning level > 3 Added checking that thd->abort_on_warning is reset at end of query. sql/sql_show.cc: Update condition for when a query is 'killed' storage/myisam/ha_myisam.cc: Added counting of info/notes printed storage/myisam/mi_check.c: Always print an an error if we find data errors when checking/repairing a MyISAM table. When a repair was killed, don't retry repair. Added assert if sort_get_next_record() returned an error without an error message. Removed nonsence check "if (sort_param->read_cache.error < 0)" in repair. storage/myisam/myisamchk.c: Added counting of notes printed storage/pbxt/src/thread_xt.cc: Better error message.	14 years ago
Michael Widenius	31c8c95bb2	Added logging of all errors from my_read/my_write/my_pread/my_pwrite/my_open & my_malloc to mysqld error log if one sets log-warning to 10 or 11 The idea is that my_global_flags is ored to the MyFlags parameter for the above functions if the MY_WME flag is not set. As the my_global_flags has ME_JUST_INFO (mark error as 'note') and possible ME_NOREFRESH (write error to log) this will force mysqld to log the not critical error to the log as a note. include/my_sys.h: Moved MY_SYNC_DIR to ensure it never clashes with ME_JUST_INFO Added my_global_flags mysql-test/Makefile.am: Removed not used bugs directory mysys/my_init.c: Added my_global_flags, a variable that is ored to MyFlags in a those mysys functions we want extra logging. mysys/my_malloc.c: Added support for my_global_flags mysys/my_open.c: Added support for my_global_flags mysys/my_pread.c: Added support for my_global_flags mysys/my_read.c: Added support for my_global_flags mysys/my_static.c: Added my_global_flags mysys/my_write.c: Added support for my_global_flags sql/mysqld.cc: Set my_global_flags for warning levels 10 & 11 sql/sql_base.cc: Don't increment unhandled errors for notes or warnings.	14 years ago
Sergey Petrunya	945a595aa3	BUG#834534: Assertion `0' failed in replace_where_subcondition with semijoin subquery in HAVING - The problem was that the code that made the check whether the subquery is an AND-part of the WHERE clause didn't work correctly for nested subqueries. In particular, grand-child subquery in HAVING was treated as if it was in the WHERE, which eventually caused an assert when replace_where_subcondition looked for the subquery predicate in the WHERE and couldn't find it there. - The fix: Removed implementation of "thd_marker approach". thd->thd_marker was used to determine the location of subquery predicate: setup_conds() would set accordingly it when making the {where\|on_expr}->fix_fields(...) call so that AND-parts of the WHERE/ON clauses can determine they are the AND-parts. Item_cond_or::fix_fields(), Item_func::fix_fields(), Item_subselect::fix_fields (this one was missed), and all other items-that-contain-items had to reset thd->thd_marker before calling fix_fields() for their children items, so that the children can see they are not AND-parts of WHERE/ON. - The "thd_marker approach" required that a lot of code in different locations maintains correct value of thd->thd_marker, so it was replaced with: - The new approach with mark_as_condition_AND_part does not keep context in thd->thd_marker. Instead, setup_conds() now calls {where\|on_expr}->mark_as_condition_AND_part() and implementations of that function make sure that: - parts of AND-expressions get the mark_as_condition_AND_part() call - Item_in_subselect objects record that they are AND-parts of WHERE/ON	14 years ago
Sergey Vojtovich	a8ee6e48f7	BUG#11763712 - 56458: KILLING A FLUSH TABLE FOR A MERGE/CHILD CRASHES SERVER Flushing of MERGE table or one of its child tables, which was locked by flushing thread using LOCK TABLES, might have caused crashes or assertion failures if the thread failed to reopen child or parent table. Particularly, this might have happened when another connection killed this FLUSH TABLE statement/connection. Also this problem might have occurred when we failed to reopen MERGE table or one of its children when executing DDL statement under LOCK TABLES. The problem was caused by the fact that reopen_tables() might have failed to reopen child table but still tried to reopen, reattach children for and re-lock its parent. Vice versa it might have failed to reopen parent but kept references from children to parent around. Since reopen_tables() closes table it has failed to reopen and therefore frees all associated memory such dangling references led to crashes when followed. This patch solves this problem by ensuring that we always close parent table and all its children if we fail to reopen this table or one of its children. Same happens if we fail to reattach children to parent. Affects 5.1 only. mysql-test/r/merge.result: A test case for BUG#11763712. mysql-test/t/merge.test: A test case for BUG#11763712. sql/sql_base.cc: When flushing tables under LOCK TABLES, all locked and flushed tables are released and then reopened. It may happen that we failed to reopen some tables, in this case we reopen as much tables as possible. If it was not possible to reopen MERGE child, MERGE parent is unusable and must be removed from thread open tables list. If it was not possible to reopen MERGE parent, all MERGE child table objects are unusable as well, at least because their locks are handled by MERGE parent. They must also be removed from thread open tables list. In other words if it was impossible to reopen any object of a MERGE table or reattach child tables, all objects of this MERGE table must be considered unusable and closed.	14 years ago
Igor Babaev	249a10c7dd	Fixed LP bug #825035 . The value of maybe_null flag should be saved for the second execution of a prepared statement from SELECT that uses an outer join.	14 years ago
Sergey Glukhov	3468b55a21	Bug#11766594 59736: SELECT DISTINCT.. INCORRECT RESULT WITH DETERMINISTIC FUNCTION IN WHERE C There is an optimization of DISTINCT in JOIN::optimize() which depends on THD::used_tables value. Each SELECT statement inside SP resets used_tables value(see mysql_select()) and it leads to wrong result. The fix is to replace THD::used_tables with LEX::used_tables. mysql-test/r/sp.result: test case mysql-test/t/sp.test: test case sql/sql_base.cc: THD::used_tables is replaced with LEX::used_tables sql/sql_class.cc: THD::used_tables is replaced with LEX::used_tables sql/sql_class.h: THD::used_tables is replaced with LEX::used_tables sql/sql_insert.cc: THD::used_tables is replaced with LEX::used_tables sql/sql_lex.cc: THD::used_tables is replaced with LEX::used_tables sql/sql_lex.h: THD::used_tables is replaced with LEX::used_tables sql/sql_prepare.cc: THD::used_tables is replaced with LEX::used_tables sql/sql_select.cc: THD::used_tables is replaced with LEX::used_tables	15 years ago
unknown	99cce18955	Fixed LP BUG#800696. The problem was that optimizer removes some outer references (it they are constant for example) and the list of outer items built during prepare phase is not actual during execution phase when we need it as the cache parameters. First solution was use pointer on pointer on outer reference Item and initialize temporary table on demand. This solved most problem except case when optimiser also reduce Item which contains outer references ('OR' in this bug test suite). The solution is to build the list of outer reference items on execution phase (after optimization) on demand (just before temporary table creation) by walking Item tree and finding outer references among Item_ident (Item_field/Item_ref) and Item_sum items. Removed depends_on list (because it is not neede any mnore for the cache, in the place where it was used it replaced with upper_refs). Added processor (collect_outer_ref_processor) and get_cache_parameters() methods to collect outer references (or other expression parameters in future). mysql-test/r/subselect_cache.result: A new test added. mysql-test/r/subselect_scache.result: Changes in creating the cache and its paremeters order or adding arguments of aggregate function (which is a parameter also, but this has no influence on the result). mysql-test/t/subselect_cache.test: Added a new test. sql/item.cc: depends_on removed. Added processor (collect_outer_ref_processor) and get_cache_parameters() methods to collect outer references. Item_cache_wrapper collect parameters befor initialization of its cache. sql/item.h: depends_on removed. Added processor (collect_outer_ref_processor) and get_cache_parameters() methods to collect outer references. sql/item_cmpfunc.cc: depends_on removed. Added processor (collect_outer_ref_processor) to collect outer references. sql/item_cmpfunc.h: Added processor (collect_outer_ref_processor) to collect outer references. sql/item_subselect.cc: depends_on removed. Added processor get_cache_parameters() method to collect outer references. sql/item_subselect.h: depends_on removed. Added processor get_cache_parameters() method to collect outer references. sql/item_sum.cc: Added processor (collect_outer_ref_processor) method to collect outer references. sql/item_sum.h: Added processor (collect_outer_ref_processor) and get_cache_parameters() methods to collect outer references. sql/opt_range.cc: depends_on removed. sql/sql_base.cc: depends_on removed. sql/sql_class.h: New iterator added. sql/sql_expression_cache.cc: Build of list of items resolved in outer query done just before creating expression cache on the first execution of the subquery which removes influence of optimizer removing items (all optimization already done). sql/sql_expression_cache.h: Build of list of items resolved in outer query done just before creating expression cache on the first execution of the subquery which removes influence of optimizer removing items (all optimization already done). sql/sql_lex.cc: depends_on removed. sql/sql_lex.h: depends_on removed. sql/sql_list.h: Added add_unique method to add only unique elements to the list. sql/sql_select.cc: Support of new Item list added. sql/sql_select.h: Support of new Item list added.	15 years ago
Igor Babaev	47aee19827	Fixed LP bug #793386 . Auto-generated names for view field items must be allocated in the statement memory, not in the execution memory of the statement.	15 years ago
Kent Boortz	44135d4725	Updated/added copyright headers	15 years ago
Michael Widenius	ba9a890f0c	New status variables: Rows_tmp_read, Handler_tmp_update and Handler_tmp_write Split status variable Rows_read to Rows_read and Rows_tmp_read so that one can see how much real data is read. Same was done with with Handler_update and Handler_write. Fixed bug in MEMORY tables where some variables was counted twice. Added new internal handler call 'ha_close()' to have one place to gather statistics. Fixed bug where thd->open_options was set to wrong value when doing admin_recreate_table() mysql-test/r/status.result: Updated test results and added new tests mysql-test/r/status_user.result: Udated test results mysql-test/t/status.test: Added new test for temporary table status variables sql/ha_partition.cc: Changed to call ha_close() instead of close() sql/handler.cc: Added internal_tmp_table variable for easy checking of temporary tables. Added new internal handler call 'ha_close()' to have one place to gather statistics. Gather statistics for internal temporary tables. sql/handler.h: Added handler variables internal_tmp_table, rows_tmp_read. Split function update_index_statistics() to two. Added ha_update_tmp_row() for faster tmp table handling with more statistics. sql/item_sum.cc: ha_write_row() -> ha_write_tmp_row() sql/multi_range_read.cc: close() -> ha_close() sql/mysqld.cc: New status variables: Rows_tmp_read, Handler_tmp_update and Handler_tmp_write sql/opt_range.cc: close() -> ha_close() sql/sql_base.cc: close() -> ha_close() sql/sql_class.cc: Added handling of rows_tmp_read sql/sql_class.h: Added new satistics variables. rows_read++ -> update_rows_read() to be able to correctly count reads to internal temp tables. Added handler::ha_update_tmp_row() sql/sql_connect.cc: Added comment sql/sql_expression_cache.cc: ha_write_row() -> ha_write_tmp_row() sql/sql_select.cc: close() -> ha_close() ha_update_row() -> ha_update_tmp_row() sql/sql_show.cc: ha_write_row() -> ha_write_tmp_row() sql/sql_table.cc: Fixed bug where thd->open_options was set to wrong value when doing admin_recreate_table() sql/sql_union.cc: ha_write_row() -> ha_write_tmp_row() sql/sql_update.cc: ha_write_row() -> ha_write_tmp_row() sql/table.cc: close() -> ha_close() storage/heap/ha_heap.cc: Removed double counting of statistic variables. close -> ha_close() to get tmp table statistics. storage/maria/ha_maria.cc: close -> ha_close() to get tmp table statistics.	15 years ago
Igor Babaev	d6b0767c8c	Fixed a valgrind problem. The function setup_tables should handle table_list elements for semijoin materialized tables in a special way when executing a prepared statement for the second time.	15 years ago
Igor Babaev	56eb6d7e69	Fixed LP bug #794890 . Changed the code that processing of multi-updates and multi-deletes with multitable views at the prepare stage. A proper solution would be: never to perform any transformations of views before and at the prepare stage. Yet it would require re-engineering of the code that checks privileges and updatability of views. Ultimately this re-engineering has to be done to provide a clean solution for INSERT/UPDATE/DELETE statements that use views. Fixed a valgrind problem in the function TABLE::use_index.	15 years ago
Michael Widenius	7e04f7c8fb	Fixed that SHOW COLUMNS for a virtual persistent column shows 'PERSISTENT' instead of 'VIRTUAL' Strict mode now gives error if one tries to update a virtual column. mysql-test/suite/vcol/r/vcol_column_def_options_innodb.result: Updated test results mysql-test/suite/vcol/r/vcol_column_def_options_myisam.result: Updated test results mysql-test/suite/vcol/r/vcol_keys_innodb.result: Updated test results mysql-test/suite/vcol/r/vcol_keys_myisam.result: Updated test results mysql-test/suite/vcol/r/vcol_misc.result: Added new test for 'show columns' and error handling when trying to update a virtual column. mysql-test/suite/vcol/t/vcol_misc.test: Added new test for 'show columns' and error handling when trying to update a virtual column. sql/sql_base.cc: Strict mode now gives error if one tries to update a virtual column. sql/sql_show.cc: Show PERSISTENT instead of VIRTUAL for persistent columns.	15 years ago
Oleksandr Byelkin	dd3b27834c	Fix of privilege problem in views and PS sql/sql_base.cc: Column for views should be looked in views (not in underlying table) sql/sql_parse.cc: if we reread grants for single table we should read both database and tables grants for views (not only database grants).	15 years ago
Sergey Petrunya	4efe046352	Update pbxt suite test results	15 years ago
Sergey Petrunya	ded7342daa	- Update test results (trivial) - Code cleanup: remove garbage comments	15 years ago
Sergey Petrunya	6f17421c27	Buildbot fixes: - Don't call table_list->process_index_hints() for JTBM pseudo-tables - Update test results	15 years ago
Sergey Petrunya	77c4c4d8ea	post-merge fixes: get MWL#90 code to work with MWL#89's way of processing prepared statements: - conversion subquery_predicate -> TABLE_LIST is once per-statement - However, the code must take into account that materialized temptable is dropped and re-created on each execution (the tricky part is that at start of n-th EXECUTE we have TABLE_LIST object but not its TABLE object) - IN-equality is injected into WHERE on every execution.	15 years ago
Guilhem Bichot	12c42b980a	Fix for BUG#11755168 '46895: test "outfile_loaddata" fails (reproducible)'. In sql_class.cc, 'row_count', of type 'ha_rows', was used as last argument for ER_TRUNCATED_WRONG_VALUE_FOR_FIELD which is "Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %ld". So 'ha_rows' was used as 'long'. On SPARC32 Solaris builds, 'long' is 4 bytes and 'ha_rows' is 'longlong' i.e. 8 bytes. So the printf-like code was reading only the first 4 bytes. Because the CPU is big-endian, 1LL is 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x01 so the first four bytes yield 0. So the warning message had "row 0" instead of "row 1" in test outfile_loaddata.test: -Warning 1366 Incorrect string value: '\xE1\xE2\xF7' for column 'b' at row 1 +Warning 1366 Incorrect string value: '\xE1\xE2\xF7' for column 'b' at row 0 All error-messaging functions which internally invoke some printf-life function are potential candidate for such mistakes. One apparently easy way to catch such mistakes is to use ATTRIBUTE_FORMAT (from my_attribute.h). But this works only when call site has both: a) the format as a string literal b) the types of arguments. So: func(ER(ER_BLAH), 10); will silently not be checked, because ER(ER_BLAH) is not known at compile time (it is known at run-time, and depends on the chosen language). And func("%s", a va_list argument); has the same problem, as the real type of arguments is not known at this site at compile time (it's known in some caller). Moreover, func(ER(ER_BLAH)); though possibly correct (if ER(ER_BLAH) has no '%' markers), will not compile (gcc says "error: format not a string literal and no format arguments"). Consequences: 1) ATTRIBUTE_FORMAT is here added only to functions which in practice take "string literal" formats: "my_error_reporter" and "print_admin_msg". 2) it cannot be added to the other functions: my_error(), push_warning_printf(), Table_check_intact::report_error(), general_log_print(). To do a one-time check of functions listed in (2), the following "static code analysis" has been done: 1) replace my_error(ER_xxx, arguments for substitution in format) with the equivalent my_printf_error(ER_xxx,ER(ER_xxx), arguments for substitution in format), so that we have ER(ER_xxx) and the arguments in the same call site 2) add ATTRIBUTE_FORMAT to push_warning_printf(), Table_check_intact::report_error(), general_log_print() 3) replace ER(xxx) with the hard-coded English text found in errmsg.txt (like: ER(ER_UNKNOWN_ERROR) is replaced with "Unknown error"), so that a call site has the format as string literal 4) this way, ATTRIBUTE_FORMAT can effectively do its job 5) compile, fix errors detected by ATTRIBUTE_FORMAT 6) revert steps 1-2-3. The present patch has no compiler error when submitted again to the static code analysis above. It cannot catch all problems though: see Field::set_warning(), in which a call to push_warning_printf() has a variable error (thus, not replacable by a string literal); I checked set_warning() calls by hand though. See also WL 5883 for one proposal to avoid such bugs from appearing again in the future. The issues fixed in the patch are: a) mismatch in types (like 'int' passed to '%ld') b) more arguments passed than specified in the format. This patch resolves mismatches by changing the type/number of arguments, not by changing error messages of sql/share/errmsg.txt. The latter would be wrong, per the following old rule: errmsg.txt must be as stable as possible; no insertions or deletions of messages, no changes of type or number of printf-like format specifiers, are allowed, as long as the change impacts a message already released in a GA version. If this rule is not followed: - Connectors, which use error message numbers, will be confused (by insertions/deletions of messages) - using errmsg.sys of MySQL 5.1.n with mysqld of MySQL 5.1.(n+1) could produce wrong messages or crash; such usage can easily happen if installing 5.1.(n+1) while /etc/my.cnf still has --language=/path/to/5.1.n/xxx; or if copying mysqld from 5.1.(n+1) into a 5.1.n installation. When fixing b), I have verified that the superfluous arguments were not used in the format in the first 5.1 GA (5.1.30 'bteam@astra04-20081114162938-z8mctjp6st27uobm'). Had they been used, then passing them today, even if the message doesn't use them anymore, would have been necessary, as explained above. include/my_getopt.h: this function pointer is used only with "string literal" formats, so we can add ATTRIBUTE_FORMAT. mysql-test/collections/default.experimental: test should pass now sql/derror.cc: by having a format as string literal, ATTRIBUTE_FORMAT check becomes effective. sql/events.cc: Change justified by the following excerpt from sql/share/errmsg.txt: ER_EVENT_SAME_NAME eng "Same old and new event name" ER_EVENT_SET_VAR_ERROR eng "Error during starting/stopping of the scheduler. Error code %u" sql/field.cc: ER_TOO_BIG_SCALE 42000 S1009 eng "Too big scale %d specified for column '%-.192s'. Maximum is %lu." ER_TOO_BIG_PRECISION 42000 S1009 eng "Too big precision %d specified for column '%-.192s'. Maximum is %lu." ER_TOO_BIG_DISPLAYWIDTH 42000 S1009 eng "Display width out of range for column '%-.192s' (max = %lu)" sql/ha_ndbcluster.cc: ER_OUTOFMEMORY HY001 S1001 eng "Out of memory; restart server and try again (needed %d bytes)" (sizeof() returns size_t) sql/ha_ndbcluster_binlog.cc: Too many arguments for: ER_GET_ERRMSG eng "Got error %d '%-.100s' from %s" Patch by Jonas Oreland. sql/ha_partition.cc: print_admin_msg() is used only with a literal as format, so ATTRIBUTE_FORMAT works. sql/handler.cc: ER_OUTOFMEMORY HY001 S1001 eng "Out of memory; restart server and try again (needed %d bytes)" (sizeof() returns size_t) sql/item_create.cc: ER_TOO_BIG_SCALE 42000 S1009 eng "Too big scale %d specified for column '%-.192s'. Maximum is %lu." ER_TOO_BIG_PRECISION 42000 S1009 eng "Too big precision %d specified for column '%-.192s'. Maximum is %lu." 'c_len' and 'c_dec' are char, passed as %d !! We don't know their value (as strtoul() failed), but they are likely big, so we use INT_MAX. 'len' is ulong. sql/item_func.cc: ER_WARN_DATA_OUT_OF_RANGE 22003 eng "Out of range value for column '%s' at row %ld" ER_CANT_FIND_UDF eng "Can't load function '%-.192s'" sql/item_strfunc.cc: ER_TOO_BIG_FOR_UNCOMPRESS eng "Uncompressed data size too large; the maximum size is %d (probably, length of uncompressed data was corrupted)" max_allowed_packet is ulong. sql/mysql_priv.h: sql_print_message_func is a function _pointer_. sql/sp_head.cc: ER_SP_RECURSION_LIMIT eng "Recursive limit %d (as set by the max_sp_recursion_depth variable) was exceeded for routine %.192s" max_sp_recursion_depth is ulong sql/sql_acl.cc: ER_PASSWORD_NO_MATCH 42000 eng "Can't find any matching row in the user table" ER_CANT_CREATE_USER_WITH_GRANT 42000 eng "You are not allowed to create a user with GRANT" sql/sql_base.cc: ER_NOT_KEYFILE eng "Incorrect key file for table '%-.200s'; try to repair it" ER_TOO_MANY_TABLES eng "Too many tables; MySQL can only use %d tables in a join" MAX_TABLES is size_t. sql/sql_binlog.cc: ER_UNKNOWN_ERROR eng "Unknown error" sql/sql_class.cc: ER_TRUNCATED_WRONG_VALUE_FOR_FIELD eng "Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %ld" WARN_DATA_TRUNCATED 01000 eng "Data truncated for column '%s' at row %ld" sql/sql_connect.cc: ER_HANDSHAKE_ERROR 08S01 eng "Bad handshake" ER_BAD_HOST_ERROR 08S01 eng "Can't get hostname for your address" sql/sql_insert.cc: ER_WRONG_VALUE_COUNT_ON_ROW 21S01 eng "Column count doesn't match value count at row %ld" sql/sql_parse.cc: ER_WARN_HOSTNAME_WONT_WORK eng "MySQL is started in --skip-name-resolve mode; you must restart it without this switch for this grant to work" ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT eng "Too high level of nesting for select" ER_UNKNOWN_ERROR eng "Unknown error" sql/sql_partition.cc: ER_OUTOFMEMORY HY001 S1001 eng "Out of memory; restart server and try again (needed %d bytes)" sql/sql_plugin.cc: ER_OUTOFMEMORY HY001 S1001 eng "Out of memory; restart server and try again (needed %d bytes)" sql/sql_prepare.cc: ER_OUTOFMEMORY HY001 S1001 eng "Out of memory; restart server and try again (needed %d bytes)" ER_UNKNOWN_STMT_HANDLER eng "Unknown prepared statement handler (%.s) given to %s" length value (for '%.*s') must be 'int', per the doc of printf() and the code of my_vsnprintf(). sql/sql_show.cc: ER_OUTOFMEMORY HY001 S1001 eng "Out of memory; restart server and try again (needed %d bytes)" sql/sql_table.cc: ER_TOO_BIG_FIELDLENGTH 42000 S1009 eng "Column length too big for column '%-.192s' (max = %lu); use BLOB or TEXT instead" sql/table.cc: ER_NOT_FORM_FILE eng "Incorrect information in file: '%-.200s'" ER_COL_COUNT_DOESNT_MATCH_PLEASE_UPDATE eng "Column count of mysql.%s is wrong. Expected %d, found %d. Created with MySQL %d, now running %d. Please use mysql_upgrade to fix this error." table->s->mysql_version is ulong. sql/unireg.cc: ER_TOO_LONG_TABLE_COMMENT eng "Comment for table '%-.64s' is too long (max = %lu)" ER_TOO_LONG_FIELD_COMMENT eng "Comment for field '%-.64s' is too long (max = %lu)" ER_TOO_BIG_ROWSIZE 42000 eng "Row size too large. The maximum row size for the used table type, not counting BLOBs, is %ld. You have to change some columns to TEXT or BLOBs"	15 years ago
Michael Widenius	5ab92b1f85	Adding support for Dynamic columns (WL#34): - COLUMN_CREATE(column_nr, value, [column_nr,value]...) - COLUMN_ADD(blob,column_nr, value, column_nr,value]...) - COLUMN_DELETE(blob, column_nr, column_nr...) - COLUMN_EXISTS(blob, column_nr) - COLUMN_LIST(blob, column_nr) - COLUMN_GET(string, column_nr AS type) Added cast(X as DOUBLE) and cast(x as INT) Better warning and error messages for wrong cast's Created some sub functions to simplify and reuse code. Added a lot of conversation functions with error/warnings for what went wrong. Fixed some issues when casting time to datetime. Added functions to dynamic strings and Strings to allow one to move a string buffer from dynamic strings to String (to save malloc+ copy) Added dynamic columns library to libmysqlclient include/Makefile.am: Added ma_dyncol.h include/decimal.h: Added 'const' to arguments for some functions. include/my_sys.h: Added dynstr_reassociate() include/my_time.h: Added TIME_SUBSECOND_RANGE Added double_to_datetime() Added flag argument to str_to_time() libmysql/CMakeLists.txt: Added mysys/ma_dyncol.c libmysql/Makefile.shared: Added ma_dyncol libmysql/libmysql.c: Added argument to str_to_time() mysql-test/r/bigint.result: Better error messages mysql-test/r/cast.result: Better warning and error messages A lot of new cast() tests mysql-test/r/func_math.result: Better warning messages mysql-test/r/func_str.result: Better warning messages mysql-test/r/func_time.result: Better warning messages mysql-test/r/sp-vars.result: Better warning messages mysql-test/r/strict.result: Better warning messages New test result mysql-test/r/type_newdecimal.result: Better warning messages mysql-test/r/warnings.result: Better warning messages mysql-test/suite/funcs_1/r/innodb_func_view.result: Updated results after better cast warnings mysql-test/suite/funcs_1/r/memory_func_view.result: Updated results after better cast warnings mysql-test/suite/funcs_1/r/myisam_func_view.result: Updated results after better cast warnings mysql-test/suite/optimizer_unfixed_bugs/t/bug43448.test: Added begin...commit to speed up test. mysql-test/suite/parts/inc/part_supported_sql_funcs_delete.inc: Added begin...commit to speed up test. mysql-test/suite/parts/inc/partition_supported_sql_funcs.inc: Added begin...commit to speed up test. mysql-test/suite/parts/r/part_supported_sql_func_innodb.result: Added begin...commit to speed up test. mysql-test/suite/parts/r/part_supported_sql_func_myisam.result: Added begin...commit to speed up test. mysql-test/suite/parts/r/rpl_partition.result: Added begin...commit to speed up test. mysql-test/suite/parts/t/part_supported_sql_func_innodb.test: Removed duplicated --big_test mysql-test/suite/parts/t/rpl_partition.test: Added begin...commit to speed up test. mysql-test/suite/pbxt/r/cast.result: Updated results after better cast warnings mysql-test/suite/pbxt/r/func_str.result: Updated results after better cast warnings mysql-test/suite/pbxt/r/type_newdecimal.result: Updated results after better cast warnings mysql-test/suite/rpl/r/rpl_innodb_bug28430.result: Added begin...commit to speed up test. mysql-test/suite/rpl/t/rpl_innodb_bug28430.test: Added begin...commit to speed up test. mysql-test/suite/vcol/r/vcol_supported_sql_funcs_innodb.result: More warnings mysql-test/suite/vcol/r/vcol_supported_sql_funcs_myisam.result: More warnings mysql-test/t/cast.test: A lot of new cast() tests mysql-test/t/strict.test: Added new test mysys/CMakeLists.txt: Added ma_dyncol.c mysys/Makefile.am: Added ma_dyncol.c mysys/string.c: Added dynstr_reassociate() to move a buffer from dynamic_strings to some other allocator sql-common/my_time.c: Added 'fuzzydate' flag to str_to_time() Added support for microseconds to my_time_to_str() and my_datetime_to_str() Reset second_parts in number_to_datetime() Added double_to_datetime() sql/field.cc: Added double_to_longlong() and truncate_double() to simplify and reuse code sql/field.h: New prototypes sql/item.cc: Changed Item::get_date(MYSQL_TIME *ltime,uint fuzzydate) to be aware of type of argument. (Needed to make it microsecond safe and get better warnings). Updated call to str_to_time_with_warn() sql/item.h: Added struct st_dyncall_create_def used by dynamic columns Added virtual bool dynamic_result() to tell if type of argument may change over calls. sql/item_cmpfunc.cc: Added Item_func_dyncol_exists() sql/item_cmpfunc.h: Added class Item_func_dyncol_exists sql/item_create.cc: Added get_length_and_scale() to simplify other functions Simplified and extended create_func_cast() Added support for cast(X as double(X,Y)) Added functions to create dynamic column functions. sql/item_create.h: Added prototypes sql/item_func.cc: Extended cast functions Item_func_signed() and Item_func_unsigned() to work with dynamic types Added Item_double_typecast() sql/item_func.h: Added class Item_double_typecast() sql/item_strfunc.cc: Added functions for COLUMN_CREATE(), COLUMN_ADD(), COLUMN_GET() and COLUMN_LIST() sql/item_strfunc.h: Added classes for COLUMN_CREATE(), COLUMN_ADD(), COLUMN_GET() and COLUMN_LIST() sql/item_timefunc.cc: Added flag argument to str_to_time_with_warn() Updated Item_char_typecast() to handle result type that may change between calls (for dynamic columns) Added Item_time_typecast::get_date() to ensure that we cast a datetime to time properly. sql/item_timefunc.h: Added get_date() to Item_time_typecast() to allow proper results for casting time to datetime sql/lex.h: Added new SQL function names sql/my_decimal.cc: Added 'const' to some arguments. Better error message in case of errors (we now print out the wrong value) Added my_decimal2int() sql/my_decimal.h: Moved some constants to my_decimal_limits.h Updated prototypes. Made my_decimal2int() a function as it's rather long (no reason to have it inline) Added decimal2my_decimal() function. sql/mysql_priv.h: Prototypes for new functions sql/share/errmsg.txt: New error messages for wrong casts and dynamic columns sql/sql_acl.cc: Fixed indentation sql/sql_base.cc: Added dynamic_column_error_message() sql/sql_string.h: Added reassociate() to move a buffer to be owned by String object. sql/sql_yacc.yy: Added syntax for COLUMN_ functions. sql/time.cc: Updated str_to_datetime_with_warn() flag argument to same type as other functions Added conversion flag to str_to_time_with_warn() (Similar to all datetime functions) Added conversion functions with warnings: double_to_datetime_with_warn() and decimal_to_datetime_with_warn() strings/decimal.c: Added 'const' to arguments for some functions. unittest/mysys/Makefile.am: Added test for dynamic columns code	15 years ago
Michael Widenius	1ee94dc2f7	Fixed all BUILD scripts to use g++ instead of gcc for linking Fixed memory leak from HEAP tables that was not deleted properly BUILD/compile-alpha-ccc: Use g++ instead of gcc for linking BUILD/compile-alpha-debug: Use g++ instead of gcc for linking BUILD/compile-pentium-pgcc: Use g++ instead of gcc for linking BUILD/compile-solaris-sparc: Use g++ instead of gcc for linking BUILD/compile-solaris-sparc-debug: Use g++ instead of gcc for linking BUILD/compile-solaris-sparc-purify: Use g++ instead of gcc for linking sql/item.cc: Safety fixes for expr_cache Call Item_result:field::cleanup() in Item_cache_wrapper::cleanup() More DBUG_PRINT sql/sql_base.cc: Simple optimization for setup_wild More DBUG_PRINT sql/sql_expression_cache.cc: Added header Removed not needed initialization sql/sql_lex.cc: More DBUG_PRINT sql/sql_select.cc: More DBUG_PRINT Fixed memory leak from HEAP tables that was not deleted properly storage/heap/hp_create.c: More DBUG_PRINT	15 years ago
Michael Widenius	6f20e3a385	Fixed problem that fill_record() allocated memory for every call. This could be a problem when doing big unions as memory could be filled up. sql/sql_base.cc: Don't allocate memory in fill_record(). Fix was to remove the list of tables. This was not necessary as this call is only used with one table.	15 years ago
Sergey Petrunya	dc937fb53b	MWL#90: Address review feedback part #16	15 years ago
Jon Olav Hauglid	4e26a41f3e	Bug# 11763784 (former 56541) ASSERTION TABLE->DB_STAT FAILED IN SQL_BASE.CC::OPEN_TABLE() DURING I_S Q This assert could be triggered if a statement requiring a name lock on a table (e.g. DROP TRIGGER) executed concurrently with an I_S query which also used the table. One connection first started an I_S query that opened a given table. Then another connection started a statement requiring a name lock on the same table. This statement was blocked since the table was in use by the I_S query. When the I_S query resumed and tried to open the table again as part of get_all_tables(), it would encounter a table instance with an old version number representing the pending name lock. Since I_S queries ignore version checks and thus pending name locks, it would try to continue. This caused it to encounter the assert. The assert checked that the TABLE instance found with a different version, was a real, open table. However, since this TABLE instance instead represented a pending name lock, the check would fail and trigger the assert. This patch fixes the problem by removing the assert. It is ok for TABLE::db_stat to be 0 in this case since the TABLE instance can represent a pending name lock. Test case added to lock_sync.test.	15 years ago
Sergey Petrunya	809a805251	MWL#90: Address review feedback part #4	15 years ago
Michael Widenius	ff3da0f963	Change TABLE->alias to String for less memory reallocation Changed some String.ptr() -> String.c_ptr() for String that are not guaranteed to end with \0 Removed some c_ptr() usage from parameters to functions that takes ptr & length Use preallocate buffers to avoid calling malloc() for most operations. sql/event_db_repository.cc: alias is now a String sql/event_scheduler.cc: c_ptr -> c_ptr_safe() to avoid warnings from valgrind. sql/events.cc: c_ptr -> c_ptr_safe() to avoid warnings from valgrind. c_ptr -> ptr() as function takes ptr & length sql/field.cc: alias is now a String sql/field.h: alias is now a String sql/ha_partition.cc: alias is now a String sql/handler.cc: alias is now a String ptr() -> c_ptr() as string is not guaranteed to be \0 terminated sql/item.cc: Store error parameter in separarte buffer to ensure correct error message sql/item_func.cc: ptr() -> c_ptr_safe() as string is not guaranteed to be \0 terminated sql/item_sum.h: Use my_strtod() instead of my_atof() to not have to make string \0 terminated sql/lock.cc: alias is now a String sql/log.cc: c_ptr() -> ptr() as function takes ptr & length sql/log_event.cc: c_ptr_quick() -> ptr() as we only want to get the pointer to String buffer sql/opt_range.cc: ptr() -> c_ptr() as string is not guaranteed to be \0 terminated sql/opt_table_elimination.cc: alias is now a String sql/set_var.cc: ptr() -> c_ptr() as string is not guaranteed to be \0 terminated c_ptr() -> c_ptr_safe() to avoid warnings from valgrind. c_ptr() -> ptr() as function takes ptr & length Simplify some code. sql/sp.cc: c_ptr() -> ptr() as function takes ptr & length sql/sp_rcontext.cc: alias is now a String sql/sql_base.cc: alias is now a String. Here we win a realloc() for most alias usage. sql/sql_class.cc: Use size descriptor for printf() to avoid accessing bytes outside of buffer sql/sql_insert.cc: Change allocation of TABLE as it's now contains a String _ptr() -> ptr() as function takes ptr & length sql/sql_load.cc: Use preallocate buffers to avoid calling malloc() for most operations. sql/sql_parse.cc: Use c_ptr_safe() to ensure string is \0 terminated. sql/sql_plugin.cc: c_ptr_quick() -> ptr() as function takes ptr & length sql/sql_select.cc: alias is now a String sql/sql_show.cc: alias is now a String sql/sql_string.h: Added move() function to change who owns the string (owner does the free) sql/sql_table.cc: alias is now a String c_ptr() -> c_ptr_safe() to avoid warnings from valgrind. sql/sql_test.cc: c_ptr() -> c_ptr_safe() to avoid warnings from valgrind. alias is now a String sql/sql_trigger.cc: c_ptr() -> c_ptr_safe() to avoid warnings from valgrind. Use field->init() to setup pointers to alias. sql/sql_update.cc: alias is now a String sql/sql_view.cc: ptr() -> c_ptr_safe() as string is not guaranteed to be \0 terminated sql/sql_yacc.yy: r() -> c_ptr() as string is not guaranteed to be \0 terminated sql/table.cc: alias is now a String sql/table.h: alias is now a String storage/federatedx/ha_federatedx.cc: Remove extra 1 byte alloc that is automaticly done by strmake() Ensure that error message ends with \0 storage/maria/ha_maria.cc: alias is now a String storage/myisam/ha_myisam.cc: alias is now a String	15 years ago
Sergey Petrunya	e7aa18fb9c	Code cleanup (1)	15 years ago
Sergey Petrunya	f93b0bbebb	MWL#90: subquery optimizations - Remove redundant changes againist 5.3-main	15 years ago
Karen Langford	de3c4428b8	Updating header copyright/README in source for 2011	15 years ago
unknown	e2bd1ee9df	Fix of LP bug#706884: fill_record should be used for only one table (no need list). sql/sql_base.cc: fill_record should be used for only one table (no need list).	15 years ago
unknown	481cd2dbf1	Fix of problem with WHERE/HAVING consist of alone outer reference field by wrapping it. sql/item.cc: Wrapper added. sql/item.h: Wrapper added. sql/mysql_priv.h: Wrap function added. sql/sql_base.cc: Wrap function added. Fix of problem with WHERE consist of alone outer reference field by wrapping it. sql/sql_select.cc: Fix of problem with HAVING consist of alone outer reference field by wrapping it.	15 years ago
Jan Wedvik	0a7cfad080	Fix for bug#58553, "Queries with pushed conditions causes 'explain extended' to crash mysqld". handler::pushed_cond was not always properly reset when table objects where recycled via the table cache. handler::pushed_cond is now set to NULL in handler::ha_reset(). This should prevent pushed conditions from (incorrectly) re-apperaring in later queries.	15 years ago
Michael Widenius	e63b5546c5	Implementation of MWL#172: Add support for prepared statements to HANDLER READ It includes speed optimizations for HANDLER READ by caching as much as possible in HANDLER OPEN Other things: - Added mysqld option --disable-thr-alarm to be able to benchmark things without thr_alarm - Changed 'Locked' state to 'System lock' and 'Table lock' (these where used in the code but never shown to end user) - Better error message if mysql_install_db.sh fails - Moved handler function prototypes to sql_handler.h - Remove not anymore used 'thd->locked' member include/thr_alarm.h: Added my_disable_thr_alarm include/thr_lock.h: Add new member to THR_LOCK_DATA to remember original lock type state. This is needed as thr_unlock() resets type to TL_UNLOCK. mysql-test/include/check_no_concurrent_insert.inc: Locked -> Table lock mysql-test/include/handler.inc: Locked -> Table lock mysql-test/r/handler_innodb.result: Updated results for new tests mysql-test/r/handler_myisam.result: Updated results for new tests mysql-test/r/sp-threads.result: Locked -> Table lock mysql-test/suite/binlog/t/binlog_stm_row.test: Locked -> Table lock mysql-test/suite/funcs_1/datadict/processlist_val.inc: Locked -> Table lock mysql-test/suite/pbxt/t/lock_multi.test: Locked -> Table lock mysql-test/suite/sys_vars/r/concurrent_insert_func.result: Locked -> Table lock mysql-test/suite/sys_vars/t/concurrent_insert_func.test: Locked -> Table lock mysql-test/suite/sys_vars/t/delayed_insert_limit_func.test: Locked -> Table lock mysql-test/suite/sys_vars/t/query_cache_wlock_invalidate_func.test: Locked -> Table lock mysql-test/suite/sys_vars/t/sql_low_priority_updates_func.test: Locked -> Table lock mysql-test/t/insert_notembedded.test: Locked -> Table lock mysql-test/t/lock_multi.test: Locked -> Table lock mysql-test/t/merge-big.test: Locked -> Table lock mysql-test/t/multi_update.test: Locked -> Table lock mysql-test/t/query_cache_28249.test: Locked -> Table lock mysql-test/t/sp_notembedded.test: Locked -> Table lock mysql-test/t/sp_sync.test: Locked -> Table lock mysql-test/t/status.test: Locked -> Table lock mysql-test/t/trigger_notembedded.test: Locked -> Table lock mysys/thr_alarm.c: Added option to disable thr_alarm mysys/thr_lock.c: Detect loops scripts/mysql_install_db.sh: Give better error message if something goes wrong sql/Makefile.am: Added sql_handler.h sql/lock.cc: Split functions to allow one to cache value if store_lock() (for HANDLER functions). - Split mysql_lock_tables() into two functions, where first one allocates MYSQL_LOCK and other other one uses it. - Made get_lock_data() an external function. - Added argument to mysql_unlock_tables() to not free sql_lock. - Added argument to reset_lock_data() to reset lock structure to initial state (as after get_lock_data()) sql/mysql_priv.h: Moved handler function prototypes to sql_handler.h Added new lock functions. sql/mysqld.cc: Added --thread-alarm startup option sql/net_serv.cc: Don't call vio_blocking() if not needed sql/sql_base.cc: include sql_handler.h sql/sql_class.cc: include sql_handler.h Remove not anymore used 'thd->locked' member sql/sql_class.h: Remove not anymore used 'thd->locked' member sql/sql_db.cc: include sql_handler.h sql/sql_delete.cc: include sql_handler.h sql/sql_handler.cc: Rewrote all code to use SQL_HANDLER instead of TABLE_LIST (original interface) Rewrote mysql_ha_open() to cache all things from TABLE_LIST and items for field list, where etc. In mysql_ha_open() also cache MYSQL_LOCK structure from get_lock_data(). Split functions into smaller sub functions (needed to be able to implement mysql_ha_read_prepare()) Added mysql_ha_read_prepare() to allow one to prepare HANDLER READ. sql/sql_handler.h: Interface to sql_handler.cc sql/sql_parse.cc: include sql_handler.h sql/sql_prepare.cc: Added mysql_test_handler_read(), prepare for HANDLER READ sql/sql_rename.cc: include sql_handler.h sql/sql_show.cc: Removed usage of thd->locked sql/sql_table.cc: include sql_handler.h sql/sql_trigger.cc: include sql_handler.h	15 years ago
Kent Boortz	85323eda8a	- Added/updated copyright headers - Removed files specific to compiling on OS/2 - Removed files specific to SCO Unix packaging - Removed "libmysqld/copyright", text is included in documentation - Removed LaTeX headers for NDB Doxygen documentation - Removed obsolete NDB files - Removed "mkisofs" binaries - Removed the "cvs2cl.pl" script - Changed a few GPL texts to use "program" instead of "library"	15 years ago
Alexander Nozdrin	1bd81f6b81	Patch for Bug#57952 (privilege change is not taken into account by EXECUTE). The user-visible problem was that changes to column-level privileges, happened in between of PREPARE and EXECUTE of a prepared statement, were neglected. I.e. a prepared statement could be executed with the column-level privileges as of PREPARE-time. The problem existed for column-level privileges only. A similar problem existed for stored programs: the changes between executions didn't have an effect. Technically the thing is that table references are cached in Prepared_statement::prepare() call. In subsequent Prepared_statement::execute() calls those cached values are used. There are two functions to get a field by name: find_field_in_table() and find_field_in_table_ref(). On prepare-phase find_field_in_table_ref() is called, on execute-phase -- find_field_in_table() because the table is cached. find_field_in_table() does not check column-level privileges and expects the caller to do that. The problem was that this check was forgotten. The fix is to check them there as it happens in find_field_in_table_ref().	15 years ago
Michael Widenius	7c56b08216	Added TRASH() to table->record[0] to find out if we access not initialzed data. - Changed Cached_item_field not copy data for fields with NULL value - In key_copy() and key_restore() don't copy data for fields with NULL value Fixed code to avoid valgrind warnings - Use c_ptr_safe instead of c_ptr() Removed "QQ" from comments (QQ was ment to be used for internal comments that should be removed before pushing) Fixed wrong alias used (from previous patch) sql/event_db_repository.cc: Update testing if event table is valid (to avoid valgrind errors) sql/ha_partition.cc: m_ordered_scan_ongoing was not initialized Reset null bits in record to avoid valgrind errors sql/handler.h: Added flag if storage engine will write row verbatim and the row contains varchar or null fields (in which case we must clear the row to avoid valgrind warnings) sql/item_buff.cc: Changed Cached_item_field not copy data for fields with NULL value (Optimization and avoids valgrind warnings) sql/item_func.cc: c_ptr() -> c_ptr_safe() sql/key.cc: In key_copy() and key_restore() don't copy data for fields with NULL value sql/opt_range.cc: c_ptr() -> c_ptr_safe() sql/sql_base.cc: Added TRASH() to table->record[0] to find out if we access not initialzed data. Initialize null_bytes to: - Get consistent tests - Ensure we don't get valgrind warnings for null fields (as we may only update a couple of bits in a byte) sql/sql_class.cc: Removed "QQ" from comments sql/sql_insert.cc: Initialize row to default values if we are using valgrind and row will be copied verbatim to disk in storage engine. sql/sql_load.cc: QQ -> TODO sql/sql_parse.cc: Removed old not used code marked QQ and withing "#ifdef REMOVED" sql/sql_select.cc: QQ -> TODO Initialize some variables that was used uninitialized Added DBUG_ASSERT() to find out if thd was not properly initialized for sub queries sql/sql_test.cc: Fixed format for printing to DBUG file Fixed wrong alias used (from previous patch) sql/sql_trigger.h: QQ -> TODO sql/table.cc: QQ -> TODO storage/maria/ha_maria.cc: Mark table with HA_RECORD_MUST_BE_CLEAN_ON_WRITE, if row is written verbatim to disk and contains varchar or null fields. storage/maria/ma_open.c: Added flags if table has varchar or null fields storage/maria/maria_def.h: Added flags if table has varchar or null fields storage/myisam/ha_myisam.cc: Mark table with HA_RECORD_MUST_BE_CLEAN_ON_WRITE, if row is written verbatim to disk and contains varchar or null fields. storage/myisam/mi_open.c: Fixed memory overrun bug when using fulltext keys storage/xtradb/row/row0sel.c: Removed initialization of null bits. (not needed anymore)	15 years ago

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1473 Commits (2a16e7674b9462586ef883e5678b21c87ca5f045)