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* Added page_range to records_in_range() to improve range statisticsMonty2020-03-272-4/+8
| | | | | | | | | | | | | | | | | | | | | | | Prototype change: - virtual ha_rows records_in_range(uint inx, key_range *min_key, - key_range *max_key) + virtual ha_rows records_in_range(uint inx, const key_range *min_key, + const key_range *max_key, + page_range *res) The handler can ignore the page_range parameter. In the case the handler updates the parameter, the optimizer can deduce the following: - If previous range's last key is on the same block as next range's first key - If the current key range is in one block - We can also assume that the first and last block read are cached! This can be used for a better calculation of IO seeks when we estimate the cost of a range index scan. The parameter is fully implemented for MyISAM, Aria and InnoDB. A separate patch will update handler::multi_range_read_info_const() to take the benefits of this change and also remove the double records_in_range() calls that are not anymore needed.
* cleanup: PSI key is *always* the first argumentSergei Golubchik2020-03-101-3/+3
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* perfschema memory related instrumentation changesSergei Golubchik2020-03-101-3/+3
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* MDEV-21581 Helper functions and methods for CHARSET_INFOAlexander Barkov2020-01-281-2/+2
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* MDEV-20806 Federated does not work with INET6, returns NULL with warning ↵Alexander Barkov2019-10-121-1/+1
| | | | ER_TRUNCATED_WRONG_VALUE
* Merge 10.4 into 10.5Marko Mäkelä2019-08-132-2/+2
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| * MDEV-19955 make argument of handler::ha_write_row() constEugene Kosov2019-07-052-2/+2
| | | | | | | | | | | | | | | | | | MDEV-19486 and one more similar bug appeared because handler::write_row() interface welcomes to modify buffer by storage engine. But callers are not ready for that thus bugs are possible in future. handler::write_row(): handler::ha_write_row(): make argument const
* | MDEV-17709 Remove handlerton::stateRobert Bindar2019-06-061-1/+0
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* Merge branch '10.3' into 10.4Oleksandr Byelkin2019-05-193-3/+3
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| * Merge 10.2 into 10.3Marko Mäkelä2019-05-143-3/+3
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| | * Merge 10.1 into 10.2Marko Mäkelä2019-05-133-3/+3
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| | | * Merge branch '5.5' into 10.1Vicențiu Ciorbaru2019-05-113-3/+3
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| | | | * Update FSF AddressVicențiu Ciorbaru2019-05-113-3/+3
| | | | | | | | | | | | | | | | | | | | * Update wrong zip-code
| | * | | Merge 10.1 into 10.2Marko Mäkelä2019-04-031-1/+0
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| | | * | Remove unused declarationsMarko Mäkelä2019-04-032-2/+0
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* | | | | Added new MDL_BACKUP locks for all backup stagesMonty2018-12-091-0/+1
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Part of MDEV-5336 Implement LOCK FOR BACKUP - Added new locks to MDL_BACKUP for all stages of backup locks and a new MDL lock needed for backup stages. - Renamed MDL_BACKUP_STMT to MDL_BACKUP_DDL - flush_tables() takes a new parameter that decides what should be flushed. - InnoDB, Aria (transactional tables with checksums), Blackhole, Federated and Federatedx tables are marked to be safe for online backup. We are using MDL_BACKUP_TRANS_DML instead of MDL_BACKUP_DML locks for these which allows any DML's to proceed for these tables during the whole backup process until BACKUP STAGE COMMIT which will block the final commit.
* | | | Merge branch '10.2' into 10.3Sergei Golubchik2018-06-301-1/+1
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| * | | Merge branch '10.1' into 10.2Sergei Golubchik2018-06-211-1/+1
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| | * | Merge branch '10.0' into 10.1Vicențiu Ciorbaru2018-06-121-1/+1
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| | | * \ Merge branch '5.5' into 10.0Vicențiu Ciorbaru2018-06-121-1/+1
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| | | | * MDEV-16342 SHOW ENGINES: MyISAM description is uselessSergei Golubchik2018-06-111-1/+1
| | | | | | | | | | | | | | | | | | | | rewrite tautological engine descriptions
| | | | * MDEV-13459 Warnings, when compiling with gcc-7.xSergei Golubchik2017-10-171-0/+3
| | | | | | | | | | | | | | | | | | | | mostly caused by -Wimplicit-fallthrough
| | * | | MDEV-14272 Mariadb crashes with signal 11 when using federatedx engine and ↵Sergei Golubchik2017-12-281-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | galera cherry-pick e6ce97a5928
* | | | | Make possible to use clang on Windows (clang-cl)Vladislav Vaintroub2018-02-201-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -DWITH_ASAN can be used as well now, on x64 Fix many clang-cl warnings.
* | | | | Added name to MEM_ROOT for esier debuggingMonty2018-02-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This will make it easier to how memory allocation is done when debugging with either DBUG or gdb. Will especially help when debugging stored procedures Main change is a name argument as second argument to init_alloc_root() init_sql_alloc() Other things: - Added DBUG_ENTER/EXIT to some Virtual_tmp_table functions
* | | | | Merge remote-tracking branch 'origin/10.2' into bb-10.2-extAlexander Barkov2017-10-021-9/+9
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| * | | | MDEV-13844 : Fix Windows warnings. Fix DBUG_PRINT.Vladislav Vaintroub2017-09-281-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Fix win64 pointer truncation warnings (usually coming from misusing 0x%lx and long cast in DBUG) - Also fix printf-format warnings Make the above mentioned warnings fatal. - fix pthread_join on Windows to set return value.
* | | | | Merge 10.2 into bb-10.2-extMarko Mäkelä2017-09-201-62/+7
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| * | | | MDEV-12951 Server crash [mysqld got exception 0xc0000005]Sergei Golubchik2017-09-181-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | Same as MDEV-12725 but for federated (not X). Set and reset mysql.net->thd appropriately.
| * | | | cleanup: remove dead codeSergei Golubchik2017-09-181-60/+0
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* | | | | Merge branch '10.2' into bb-10.2-extSergei Golubchik2017-08-251-0/+2
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| * | | | Merge branch '10.1' into 10.2Sergei Golubchik2017-08-171-0/+2
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| | * | | Merge branch '10.0' into 10.1Sergei Golubchik2017-08-081-0/+2
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| | | * | MDEV-12824 GCC 7 warning: this statement may fall through ↵Sergei Golubchik2017-07-201-0/+2
| | | | | | | | | | | | | | | | | | | | [-Wimplicit-fallthrough=]
| | | * | Silence bogus GCC 7 warnings -Wimplicit-fallthroughMarko Mäkelä2017-05-171-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not silence uncertain cases, or fix any bugs. The only functional change should be that ha_federated::extra() is not calling DBUG_PRINT to report an unhandled case for HA_EXTRA_PREPARE_FOR_DROP.
* | | | | Merge remote-tracking branch 'origin/10.2' into bb-10.2-extAlexander Barkov2017-06-151-0/+2
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| * | | | Merge 10.1 into 10.2Marko Mäkelä2017-05-221-0/+2
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| | * | | Silence bogus GCC 7 warnings -Wimplicit-fallthroughMarko Mäkelä2017-05-171-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not silence uncertain cases, or fix any bugs. The only functional change should be that ha_federated::extra() is not calling DBUG_PRINT to report an unhandled case for HA_EXTRA_PREPARE_FOR_DROP.
* | | | | Changing field::field_name and Item::name to LEX_CSTRINGMonty2017-04-231-24/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Benefits of this patch: - Removed a lot of calls to strlen(), especially for field_string - Strings generated by parser are now const strings, less chance of accidently changing a string - Removed a lot of calls with LEX_STRING as parameter (changed to pointer) - More uniform code - Item::name_length was not kept up to date. Now fixed - Several bugs found and fixed (Access to null pointers, access of freed memory, wrong arguments to printf like functions) - Removed a lot of casts from (const char*) to (char*) Changes: - This caused some ABI changes - lex_string_set now uses LEX_CSTRING - Some fucntions are now taking const char* instead of char* - Create_field::change and after changed to LEX_CSTRING - handler::connect_string, comment and engine_name() changed to LEX_CSTRING - Checked printf() related calls to find bugs. Found and fixed several errors in old code. - A lot of changes from LEX_STRING to LEX_CSTRING, especially related to parsing and events. - Some changes from LEX_STRING and LEX_STRING & to LEX_CSTRING* - Some changes for char* to const char* - Added printf argument checking for my_snprintf() - Introduced null_clex_str, star_clex_string, temp_lex_str to simplify code - Added item_empty_name and item_used_name to be able to distingush between items that was given an empty name and items that was not given a name This is used in sql_yacc.yy to know when to give an item a name. - select table_name."*' is not anymore same as table_name.* - removed not used function Item::rename() - Added comparision of item->name_length before some calls to my_strcasecmp() to speed up comparison - Moved Item_sp_variable::make_field() from item.h to item.cc - Some minimal code changes to avoid copying to const char * - Fixed wrong error message in wsrep_mysql_parse() - Fixed wrong code in find_field_in_natural_join() where real_item() was set when it shouldn't - ER_ERROR_ON_RENAME was used with extra arguments. - Removed some (wrong) ER_OUTOFMEMORY, as alloc_root will already give the error. TODO: - Check possible unsafe casts in plugin/auth_examples/qa_auth_interface.c - Change code to not modify LEX_CSTRING for database name (as part of lower_case_table_names)
* | | | | Added "const" to new data for handler::update_row()Michael Widenius2017-04-182-2/+2
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was done to make it clear that a update_row() should not change the row. This was not done for handler::write_row() as this function still needs to update auto_increment values in the row. This should at some point be moved to handler::ha_write_row() after which write_row can also have const arguments.
* | | | MDEV-11597 Assertion when doing select from virtual column with impossible valueMonty2017-01-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Changed error handlers interface so that they can change error level in the handler - Give warnings and errors when calculating virtual columns - On insert/update error is fatal in strict mode. - SELECT and DELETE will only give a warning if a virtual field generates an error - Added VCOL_UPDATE_FOR_DELETE and VCOL_UPDATE_INDEX_FOR_REPLACE to be able to easily detect in update_virtual_fields() if we should use an error handler to mask errors or not.
* | | | fix build and some warningskevg2016-11-241-1/+0
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* | | | MDEV-6353 my_ismbchar() and my_mbcharlen() refactoringAlexander Barkov2016-05-171-2/+1
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* | | Merge branch '10.0' into 10.1Sergei Golubchik2016-03-211-1/+1
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| * | Fix spelling: occurred, execute, which etcOtto Kekäläinen2016-03-041-1/+1
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* | | Merge branch '10.0' into 10.1Sergei Golubchik2015-12-211-10/+21
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| * | Merge branch '5.5' into 10.0Sergei Golubchik2015-12-131-10/+21
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| | * MDEV-8313 Got an error writing communication packetsSergei Golubchik2015-12-071-10/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | Don't let network errors from mysql_close() leak into THD. * remove incorrect upstream fix ** table->in_use can be NULL, must use ha_thd() ** clear_error() may remove earlier errors, don't use it * fix the bug properly in federated and federatedx
* | | Merge branch '10.0' into 10.1Sergei Golubchik2015-10-121-1/+1
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| * | MDEV-8450: PATCH] Wrong macro expansion in Query_cache::send_result_to_client()Oleksandr Byelkin2015-09-061-1/+1
| | | | | | | | | | | | Expression in macro protected by ()
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