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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/myisammrg/myrg_extra.c | |
parent | Initial commit. (diff) | |
download | mariadb-upstream.tar.xz mariadb-upstream.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/myisammrg/myrg_extra.c')
-rw-r--r-- | storage/myisammrg/myrg_extra.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/storage/myisammrg/myrg_extra.c b/storage/myisammrg/myrg_extra.c new file mode 100644 index 00000000..2b3861b9 --- /dev/null +++ b/storage/myisammrg/myrg_extra.c @@ -0,0 +1,97 @@ +/* Copyright (c) 2000-2003, 2005-2007 MySQL AB, 2009 Sun Microsystems, Inc. + Use is subject to license terms. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* + Extra functions we want to do with a database + - All flags, exept record-cache-flags, are set in all used databases + record-cache-flags are set in myrg_rrnd when we are changing database. +*/ + +#include "myrg_def.h" + +int myrg_extra(MYRG_INFO *info,enum ha_extra_function function, + void *extra_arg) +{ + int error,save_error=0; + MYRG_TABLE *file; + DBUG_ENTER("myrg_extra"); + DBUG_PRINT("info",("function: %lu", (ulong) function)); + + if (!info->children_attached) + DBUG_RETURN(0); + if (function == HA_EXTRA_CACHE) + { + info->cache_in_use=1; + info->cache_size= (extra_arg ? *(ulong*) extra_arg : + my_default_record_cache_size); + } + else + { + if (function == HA_EXTRA_NO_CACHE || + function == HA_EXTRA_PREPARE_FOR_UPDATE) + info->cache_in_use=0; + if (function == HA_EXTRA_RESET_STATE) + { + info->current_table=0; + info->last_used_table=info->open_tables; + } + for (file=info->open_tables ; file != info->end_table ; file++) + { + if ((error=mi_extra(file->table, function, extra_arg))) + save_error=error; + } + } + DBUG_RETURN(save_error); +} + + +void myrg_extrafunc(MYRG_INFO *info, invalidator_by_filename inv) +{ + MYRG_TABLE *file; + DBUG_ENTER("myrg_extrafunc"); + + for (file=info->open_tables ; file != info->end_table ; file++) + file->table->s->invalidator = inv; + + DBUG_VOID_RETURN; +} + + +int myrg_reset(MYRG_INFO *info) +{ + int save_error= 0; + MYRG_TABLE *file; + DBUG_ENTER("myrg_reset"); + + info->cache_in_use=0; + info->current_table=0; + info->last_used_table= info->open_tables; + + /* + This is normally called with detached children. + Return OK as this is the normal case. + */ + if (!info->children_attached) + DBUG_RETURN(0); + + for (file=info->open_tables ; file != info->end_table ; file++) + { + int error; + if ((error= mi_reset(file->table))) + save_error=error; + } + DBUG_RETURN(save_error); +} |