From 4653621909f900200c1e3238a4f5d2f58f6edf29 Mon Sep 17 00:00:00 2001 From: unknown Date: Fri, 29 Nov 2002 16:40:18 +0200 Subject: New multi-table-update code New (simpler) internal timestamp handling. More debuging to heap tables. Small cleanups to multi-table-delete false -> 0 and true -> 1 (We should use TRUE and FALSE) heap/_check.c: Added checking of rows heap/hp_delete.c: Extra debugging heap/hp_scan.c: Extra debugging heap/hp_update.c: Extra debugging heap/hp_write.c: Extra debugging include/my_base.h: Added option to disable row cache when using updates isam/extra.c: Added option to disable row cache when using updates myisam/mi_check.c: Comment cleanup myisam/mi_extra.c: Added option to disable row cache when using updates myisam/sort.c: Indentaion cleanups myisammrg/myrg_extra.c: Added option to disable row cache when using updates mysql-test/r/multi_update.result: Updated results mysql-test/t/multi_update.test: Cleanup up to only use table names t1, t2,... mysys/mf_iocache.c: Safety fix sql/item_cmpfunc.cc: change true-> 1 and false -> 0 sql/mysql_priv.h: Cleaned up SQL_LIST handling sql/sql_base.cc: Fixed grant checking if SELECT tablename.* sql/sql_class.h: Cleaned up multi-table-update sql/sql_delete.cc: Fixed OPTION_SAFE_UPDATE checking in multi-table-delete. Fixed query-cache invalidation in multi-table-delete sql/sql_insert.cc: cleaned up timestamp handling sql/sql_olap.cc: false -> 0 sql/sql_parse.cc: Optimized some list handling. Moved multi-table-update to sql_update.cc sql/sql_select.cc: More comments Fixed create_tmp_table for multi-table-update sql/sql_select.h: New prototypes sql/sql_union.cc: false -> 0 Cleaned up timestamp handling sql/sql_update.cc: New multi-update-table code sql/sql_yacc.yy: false -> 0, true -> 1 Optimized some list handling sql/table.h: Added union for temporary values. Made shared int to be able to store counters. sql/uniques.cc: Indentation cleanup --- myisam/mi_check.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'myisam/mi_check.c') diff --git a/myisam/mi_check.c b/myisam/mi_check.c index 9e591325c1c..b984f0e6ee6 100644 --- a/myisam/mi_check.c +++ b/myisam/mi_check.c @@ -2329,13 +2329,13 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info, for (i=0 ; i < sort_info.total_keys ; i++) { sort_param[i].read_cache=param->read_cache; + /* + two approaches: the same amount of memory for each thread + or the memory for the same number of keys for each thread... + In the second one all the threads will fill their sort_buffers + (and call write_keys) at the same time, putting more stress on i/o. + */ sort_param[i].sortbuff_size= - /* - two approaches: the same amount of memory for each thread - or the memory for the same number of keys for each thread... - In the second one all the threads will fill their sort_buffers - (and call write_keys) at the same time, putting more stress on i/o. - */ #ifndef USING_SECOND_APPROACH param->sort_buffer_length/sort_info.total_keys; #else -- cgit v1.2.1