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* Tabular ANALYZE must get its data from execution trackerSergei Petrunia2015-07-021-2/+30
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* MDEV-7811: EXPLAIN/ANALYZE FORMAT=JSON should show subquery cacheSergei Petrunia2015-07-011-16/+28
| | | | | | | Fixes over the original patch: - Fix variable/class/other names - Fix the JSON output to be in line with the output of other JSON constructs we produce
* MDEV-7811: EXPLAIN/ANALYZE FORMAT=JSON should show subquery cacheOleksandr Byelkin2015-06-301-1/+29
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* MDEV-6995: EXPLAIN JSON and ORDER BY, GROUP BY, etcSergei Petrunia2015-06-061-39/+62
| | | | | - Make ANALYZE correctly remember and report filesort() calls - Temp.table use is collected but only basic info is reported.
* MDEV-7943 - pthread_getspecific() takes 0.76% in OLTP ROSergey Vojtovich2015-05-131-1/+1
| | | | | | Added THD argument to select_result and all derivative classes. This reduces number of pthread_getspecific calls from 796 to 776 per OLTP RO transaction.
* MDEV-7951 - sql_alloc() takes 0.25% in OLTP ROSergey Vojtovich2015-05-131-1/+1
| | | | | | | | | | | | | | | | | | | | sql_alloc() has additional costs compared to direct mem_root allocation: - function call: it is defined in a separate translation unit and can't be inlined - it needs to call pthread_getspecific() to get THD::mem_root It is called dozens of times implicitely at least by: - List<>::push_back() - List<>::push_front() - new (for Sql_alloc derived classes) - sql_memdup() Replaced lots of implicit sql_alloc() calls with direct mem_root allocation, passing through THD pointer whenever it is needed. Number of sql_alloc() calls reduced 345 -> 41 per OLTP RO transaction. pthread_getspecific() overhead dropped 0.76 -> 0.59 sql_alloc() overhed dropped 0.25 -> 0.06
* Fix a typo, s/false/NULL/.Sergei Petrunia2015-04-141-1/+1
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* MDEV-7836: ANALYZE FORMAT=JSON should provide info about GROUP/ORDER BYSergei Petrunia2015-04-121-2/+18
| | | | | Fix EXPLAIN FORMAT=JSON to produce output that's not worse than the tabular form.
* MergeSergei Petrunia2015-04-121-33/+26
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| * MDEV-7835: ANALYZE FORMAT=JSON should show buffer sizesOleksandr Byelkin2015-04-091-0/+1
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| * MDEV-7856: EXPLAIN FORMAT=JSON should show partitionsOleksandr Byelkin2015-04-091-33/+25
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* | MDEV-7836: ANALYZE FORMAT=JSON should provide info about GROUP/ORDER BYSergei Petrunia2015-04-121-58/+220
|/ | | | Provide basic info about sorting/grouping done by the queries.
* MDEV-7860: EXPLAIN FORMAT=JSON crashes for loose scan querySergei Petrunia2015-04-081-2/+8
| | | | | | | (Based on original patch by Sanja Byelkin) Make the code that produces JSON output handle LooseScan quick select. The output we produce is compatible with MySQL 5.6.
* MDEV-7899: 10.1 is 3% slower than 10.0 in OLTP ROSergei Petrunia2015-04-071-2/+2
| | | | | | | | | - Remove ANALYZE's timing code off the the execution path of regular SELECTs. - Improve the tracker that tracks counts/execution times of SELECTs or DML statements: = regular execution just increments counters = ANALYZE will also collect timings.
* MDEV-7904: ANALYZE FORMAT=JSON doesn't print r_rows for union outputSergei Petrunia2015-04-041-0/+17
| | | | Print r_rows. There is no table tracking for reading from tmp table, yet.
* MDEV-7833:ANALYZE FORMAT=JSON and Range checked for each recordOleksandr Byelkin2015-04-031-5/+101
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* MDEV-7812: ANALYZE FORMAT=JSON UPDATE/DELETE doesnt print the r_total_time_msOleksandr Byelkin2015-03-291-1/+5
| | | | | | Tracking total time added in UPDATE/DELETE Fixed selectivity calculation in UPDATE/DELETE Macro definitions of time tracting fixed.
* MDEV-7648: Extra data in ANALYZE FORMAT=JSON $stmtSergei Petrunia2015-03-241-39/+5
| | | | | | Switch from relying on PERFORMANCE_SCHEMA to using our own hooks for counting the time spent reading rows from tables.
* MDEV-7648: Extra data in ANALYZE FORMAT=JSON $stmtSergei Petrunia2015-03-071-1/+46
| | | | | | | | | Show total execution time (r_total_time_ms) for various parts of the query: 1. time spent in SELECTs 2. time spent reading rows from storage engines #2 currently gets the data from P_S.
* MDEV-7674: ANALYZE shows r_rows=0Sergei Petrunia2015-03-071-16/+11
| | | | Change r_rows to be double
* EXPLAIN JSON: Print out the "expensive constant condition" attached to joins.Sergei Petrunia2014-12-061-4/+25
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* EXPLAIN FORMAT=JSON: Full scan on NULL key (join case)Sergei Petrunia2014-12-061-0/+8
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* EXPLAIN FORMAT=JSON: Support "range checked for each record"Sergei Petrunia2014-12-061-11/+31
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* EXPLAIN FORMAT=JSON: Support range+MRR plans (when MRR is used but BKA is not)Sergei Petrunia2014-12-061-0/+3
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* my_alloc.cmariadb-10.1.2Monty2014-12-051-8/+26
| | | | | | | | | | | | | | | | | - Changed 0x%lx -> %p array.c: - Static (preallocated) buffer can now be anywhere my_sys.h - Define MY_INIT_BUFFER_USED sql_delete.cc & sql_lex.cc - Use memroot when allocating classes (avoids call to current_thd) sql_explain.h: - Use preallocated buffers sql_explain.cc: - Use preallocated buffers and memroot sql_select.cc: - Use multi_alloc_root() instead of many alloc_root() - Update calls to Explain
* cleanup: s/const CHARSET_INFO/CHARSET_INFO/Sergei Golubchik2014-12-041-4/+4
| | | | | as CHARSET_INFO is already const, using const on it is redundant and results in compiler warnings (on Windows)
* Merge branch '10.1' into bb-10.1-mergeSergei Golubchik2014-12-031-100/+981
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| * EXPLAIN FORMAT=JSONSergei Petrunia2014-12-021-3/+20
| | | | | | | | | | Add support for semi-join strategies: FirstMatch, DuplicateWeedout, LooseScan.
| * EXPLAIN FORMAT=JSON: support SJ-MaterializationSergei Petrunia2014-12-011-15/+60
| | | | | | | | | | | | | | | | - Switch Explain data structure from "flat" representation of SJ-Materialization into nested one. - Update functions that print tabular output to operate on the nested structure. - Add function to generate JSON output.
| * EXPLAIN FORMAT=JSON: support EXPLAIN FORMAT=JSON INSERT ...Sergei Petrunia2014-11-291-4/+15
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| * ANALYZE FORMAT=JSON: better output and testsSergei Petrunia2014-11-291-6/+38
| | | | | | | | | | | | - Print r_loops - Always print r_* members. Print NULL values if no scans took place - Added testcases.
| * EXPLAIN FORMAT=JSON: Add support for non-merged semi-joinsSergei Petrunia2014-11-291-1/+25
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| * EXPLAIN FORMAT=JSON: support derived tablesSergei Petrunia2014-11-281-8/+29
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| * EXPLAIN FORMAT=JSON: Add support for single-table UPDATE/DELETE.Sergei Petrunia2014-11-281-18/+295
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| * EXPLAIN FORMAT=JSON: support join bufferingSergei Petrunia2014-11-271-4/+35
| | | | | | | | | | | | | | | | | | - Basic support for JOIN buffering - The output is not polished but catches the main point: tab->select_cond and tab->cache_select->cond are printed separately. - Hash join support is poor still. - Also fixed identation in JOIN_TAB::save_explain_data
| * EXPLAIN FORMAT=JSON: further developmentSergei Petrunia2014-11-271-9/+35
| | | | | | | | | | | | | | | | | | | | Writing JSON: - Fix a bug in Single_line_formatting_helper - Add Json_writer_nesting_guard - safety class EXPLAIN JSON support - Add basic subquery support - Add tests for UNION/UNION ALL.
| * Merge ../10.1-explain-json-r4 into 10.1Sergei Petrunia2014-11-271-81/+478
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| | * Make testsuite to passSergei Petrunia2014-11-211-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | - Drop all tables in explain_json.test - Tabular form should print ref='' when type='fulltext' (another peculiarity of the traditional EXPLAIN format) - String_list::append_str should allocate memory for \0, too - Some temporary code for EXPLAIN JSON and join buffering.
| | * Merge ../10.1 into bb-10.1-explain-jsonSergei Petrunia2014-10-151-0/+2
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| | * | EXPLAIN FORMAT=JSON: produce used_key_parts, JSON-ish output for index_merge.Sergei Petrunia2014-08-141-12/+110
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| | * | EXPLAIN FORMAT=JSON: produce the 'ref' column.Sergei Petrunia2014-08-121-5/+33
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| | * | MDEV-6109: EXPLAIN JSONSergei Petrunia2014-08-091-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | - Add first testcases - Don't overquote when printing conditions - Other small output fixes
| | * | Merge 10.1 (with ANALYZE) and 10.1-explain-jsonSergei Petrunia2014-08-091-80/+330
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| | | * | MDEV-6109: EXPLAIN JSON10.1-explain-jsonSergei Petrunia2014-05-271-86/+331
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - First code, "EXPLAIN FORMAT=JSON stmt" and "ANALYZE FORMAT=JSON stmt" work for basic queries. Complex constructs (e.g subqueries, etc) not yet supported. - No test infrastructure yet
* | | | | Merge branch '10.0' into bb-10.1-mergeSergei Golubchik2014-12-021-0/+1
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| * | | | MDEV-5120 Test suite test maria-no-logging failsMichael Widenius2014-09-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reason for the failure was a bug in an include file on debian that causes 'struct stat' to have different sized depending on the environment. This patch fixes so that we always include my_global.h or my_config.h before we include any other files. Other things: - Removed #include <my_global.h> in some include files; Better to always do this at the top level to have as few "always-include-this-file-first' files as possible. - Removed usage of some include files that where already included by my_global.h or by other files. client/mysql_plugin.c: Use my_global.h first client/mysqlslap.c: Remove duplicated include files extra/comp_err.c: Remove duplicated include files include/m_string.h: Remove duplicated include files include/maria.h: Remove duplicated include files libmysqld/emb_qcache.cc: Use my_global.h first plugin/semisync/semisync.h: Use my_pthread.h first sql/datadict.cc: Use my_global.h first sql/debug_sync.cc: Use my_global.h first sql/derror.cc: Use my_global.h first sql/des_key_file.cc: Use my_global.h first sql/discover.cc: Use my_global.h first sql/event_data_objects.cc: Use my_global.h first sql/event_db_repository.cc: Use my_global.h first sql/event_parse_data.cc: Use my_global.h first sql/event_queue.cc: Use my_global.h first sql/event_scheduler.cc: Use my_global.h first sql/events.cc: Use my_global.h first sql/field.cc: Use my_global.h first Remove duplicated include files sql/field_conv.cc: Use my_global.h first sql/filesort.cc: Use my_global.h first Remove duplicated include files sql/gstream.cc: Use my_global.h first sql/ha_ndbcluster.cc: Use my_global.h first sql/ha_ndbcluster_binlog.cc: Use my_global.h first sql/ha_ndbcluster_cond.cc: Use my_global.h first sql/ha_partition.cc: Use my_global.h first sql/handler.cc: Use my_global.h first sql/hash_filo.cc: Use my_global.h first sql/hostname.cc: Use my_global.h first sql/init.cc: Use my_global.h first sql/item.cc: Use my_global.h first sql/item_buff.cc: Use my_global.h first sql/item_cmpfunc.cc: Use my_global.h first sql/item_create.cc: Use my_global.h first sql/item_geofunc.cc: Use my_global.h first sql/item_inetfunc.cc: Use my_global.h first sql/item_row.cc: Use my_global.h first sql/item_strfunc.cc: Use my_global.h first sql/item_subselect.cc: Use my_global.h first sql/item_sum.cc: Use my_global.h first sql/item_timefunc.cc: Use my_global.h first sql/item_xmlfunc.cc: Use my_global.h first sql/key.cc: Use my_global.h first sql/lock.cc: Use my_global.h first sql/log.cc: Use my_global.h first sql/log_event.cc: Use my_global.h first sql/log_event_old.cc: Use my_global.h first sql/mf_iocache.cc: Use my_global.h first sql/mysql_install_db.cc: Remove duplicated include files sql/mysqld.cc: Remove duplicated include files sql/net_serv.cc: Remove duplicated include files sql/opt_range.cc: Use my_global.h first sql/opt_subselect.cc: Use my_global.h first sql/opt_sum.cc: Use my_global.h first sql/parse_file.cc: Use my_global.h first sql/partition_info.cc: Use my_global.h first sql/procedure.cc: Use my_global.h first sql/protocol.cc: Use my_global.h first sql/records.cc: Use my_global.h first sql/records.h: Don't include my_global.h Better to do this at the upper level sql/repl_failsafe.cc: Use my_global.h first sql/rpl_filter.cc: Use my_global.h first sql/rpl_gtid.cc: Use my_global.h first sql/rpl_handler.cc: Use my_global.h first sql/rpl_injector.cc: Use my_global.h first sql/rpl_record.cc: Use my_global.h first sql/rpl_record_old.cc: Use my_global.h first sql/rpl_reporting.cc: Use my_global.h first sql/rpl_rli.cc: Use my_global.h first sql/rpl_tblmap.cc: Use my_global.h first sql/rpl_utility.cc: Use my_global.h first sql/set_var.cc: Added comment sql/slave.cc: Use my_global.h first sql/sp.cc: Use my_global.h first sql/sp_cache.cc: Use my_global.h first sql/sp_head.cc: Use my_global.h first sql/sp_pcontext.cc: Use my_global.h first sql/sp_rcontext.cc: Use my_global.h first sql/spatial.cc: Use my_global.h first sql/sql_acl.cc: Use my_global.h first sql/sql_admin.cc: Use my_global.h first sql/sql_analyse.cc: Use my_global.h first sql/sql_audit.cc: Use my_global.h first sql/sql_base.cc: Use my_global.h first sql/sql_binlog.cc: Use my_global.h first sql/sql_bootstrap.cc: Use my_global.h first Use my_global.h first sql/sql_cache.cc: Use my_global.h first sql/sql_class.cc: Use my_global.h first sql/sql_client.cc: Use my_global.h first sql/sql_connect.cc: Use my_global.h first sql/sql_crypt.cc: Use my_global.h first sql/sql_cursor.cc: Use my_global.h first sql/sql_db.cc: Use my_global.h first sql/sql_delete.cc: Use my_global.h first sql/sql_derived.cc: Use my_global.h first sql/sql_do.cc: Use my_global.h first sql/sql_error.cc: Use my_global.h first sql/sql_explain.cc: Use my_global.h first sql/sql_expression_cache.cc: Use my_global.h first sql/sql_handler.cc: Use my_global.h first sql/sql_help.cc: Use my_global.h first sql/sql_insert.cc: Use my_global.h first sql/sql_lex.cc: Use my_global.h first sql/sql_load.cc: Use my_global.h first sql/sql_locale.cc: Use my_global.h first sql/sql_manager.cc: Use my_global.h first sql/sql_parse.cc: Use my_global.h first sql/sql_partition.cc: Use my_global.h first sql/sql_plugin.cc: Added comment sql/sql_prepare.cc: Use my_global.h first sql/sql_priv.h: Added error if we use this before including my_global.h This check is here becasue so many files includes sql_priv.h first. sql/sql_profile.cc: Use my_global.h first sql/sql_reload.cc: Use my_global.h first sql/sql_rename.cc: Use my_global.h first sql/sql_repl.cc: Use my_global.h first sql/sql_select.cc: Use my_global.h first sql/sql_servers.cc: Use my_global.h first sql/sql_show.cc: Added comment sql/sql_signal.cc: Use my_global.h first sql/sql_statistics.cc: Use my_global.h first sql/sql_table.cc: Use my_global.h first sql/sql_tablespace.cc: Use my_global.h first sql/sql_test.cc: Use my_global.h first sql/sql_time.cc: Use my_global.h first sql/sql_trigger.cc: Use my_global.h first sql/sql_udf.cc: Use my_global.h first sql/sql_union.cc: Use my_global.h first sql/sql_update.cc: Use my_global.h first sql/sql_view.cc: Use my_global.h first sql/sys_vars.cc: Added comment sql/table.cc: Use my_global.h first sql/thr_malloc.cc: Use my_global.h first sql/transaction.cc: Use my_global.h first sql/uniques.cc: Use my_global.h first sql/unireg.cc: Use my_global.h first sql/unireg.h: Removed inclusion of my_global.h storage/archive/ha_archive.cc: Added comment storage/blackhole/ha_blackhole.cc: Use my_global.h first storage/csv/ha_tina.cc: Use my_global.h first storage/csv/transparent_file.cc: Use my_global.h first storage/federated/ha_federated.cc: Use my_global.h first storage/federatedx/federatedx_io.cc: Use my_global.h first storage/federatedx/federatedx_io_mysql.cc: Use my_global.h first storage/federatedx/federatedx_io_null.cc: Use my_global.h first storage/federatedx/federatedx_txn.cc: Use my_global.h first storage/heap/ha_heap.cc: Use my_global.h first storage/innobase/handler/handler0alter.cc: Use my_global.h first storage/maria/ha_maria.cc: Use my_global.h first storage/maria/unittest/ma_maria_log_cleanup.c: Remove duplicated include files storage/maria/unittest/test_file.c: Added comment storage/myisam/ha_myisam.cc: Move sql_plugin.h first as this includes my_global.h storage/myisammrg/ha_myisammrg.cc: Use my_global.h first storage/oqgraph/oqgraph_thunk.cc: Use my_config.h and my_global.h first One could not include my_global.h before oqgraph_thunk.h (don't know why) storage/spider/ha_spider.cc: Use my_global.h first storage/spider/hs_client/config.cpp: Use my_global.h first storage/spider/hs_client/escape.cpp: Use my_global.h first storage/spider/hs_client/fatal.cpp: Use my_global.h first storage/spider/hs_client/hstcpcli.cpp: Use my_global.h first storage/spider/hs_client/socket.cpp: Use my_global.h first storage/spider/hs_client/string_util.cpp: Use my_global.h first storage/spider/spd_conn.cc: Use my_global.h first storage/spider/spd_copy_tables.cc: Use my_global.h first storage/spider/spd_db_conn.cc: Use my_global.h first storage/spider/spd_db_handlersocket.cc: Use my_global.h first storage/spider/spd_db_mysql.cc: Use my_global.h first storage/spider/spd_db_oracle.cc: Use my_global.h first storage/spider/spd_direct_sql.cc: Use my_global.h first storage/spider/spd_i_s.cc: Use my_global.h first storage/spider/spd_malloc.cc: Use my_global.h first storage/spider/spd_param.cc: Use my_global.h first storage/spider/spd_ping_table.cc: Use my_global.h first storage/spider/spd_sys_table.cc: Use my_global.h first storage/spider/spd_table.cc: Use my_global.h first storage/spider/spd_trx.cc: Use my_global.h first storage/xtradb/handler/handler0alter.cc: Use my_global.h first storage/xtradb/handler/i_s.cc: Use my_global.h first
* | | | | MDEV-6388: ANALYZE $stmt output in the slow query logSergei Petrunia2014-10-171-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Make log_slow_verbosity=explain actually print ANALYZE (that is, EXPLAIN otuput with two extra columns).
* | | | | Merge branch 'bb-10.1-merge' into 10.1mariadb-10.1.1Sergei Golubchik2014-10-161-13/+7
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| * \ \ \ \ Merge 10.0.14 into 10.1Sergei Golubchik2014-10-151-13/+7
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| | * | | Adding Item_string_sys and Item_string_ascii to reduce duplicate codeAlexander Barkov2014-09-031-13/+7
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