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Diffstat (limited to 'storage/maria/ma_static.c')
| -rw-r--r-- | storage/maria/ma_static.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/storage/maria/ma_static.c b/storage/maria/ma_static.c new file mode 100644 index 00000000000..917385f9568 --- /dev/null +++ b/storage/maria/ma_static.c @@ -0,0 +1,109 @@ +/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB + + 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + + +/* + Static variables for MARIA library. All definied here for easy making of + a shared library +*/ + +#ifndef _global_h +#include "maria_def.h" +#include "trnman.h" +#endif + +LIST *maria_open_list=0; +uchar maria_file_magic[]= +{ (uchar) 254, (uchar) 254, (uchar) 9, '\003', }; +uchar maria_pack_file_magic[]= +{ (uchar) 254, (uchar) 254, (uchar) 10, '\001', }; +/* Unique number for this maria instance */ +uchar maria_uuid[MY_UUID_SIZE]; +uint maria_quick_table_bits=9; +ulong maria_block_size= MARIA_KEY_BLOCK_LENGTH; +my_bool maria_flush= 0, maria_single_user= 0; +my_bool maria_delay_key_write= 0, maria_page_checksums= 1; +my_bool maria_inited= FALSE; +my_bool maria_in_ha_maria= FALSE; /* If used from ha_maria or not */ +my_bool maria_recovery_changed_data= 0, maria_recovery_verbose= 0; +pthread_mutex_t THR_LOCK_maria; +#if defined(THREAD) && !defined(DONT_USE_RW_LOCKS) +ulong maria_concurrent_insert= 2; +#else +ulong maria_concurrent_insert= 0; +#endif +my_off_t maria_max_temp_length= MAX_FILE_SIZE; +ulong maria_bulk_insert_tree_size=8192*1024; +ulong maria_data_pointer_size= 4; + +PAGECACHE maria_pagecache_var; +PAGECACHE *maria_pagecache= &maria_pagecache_var; + +PAGECACHE maria_log_pagecache_var; +PAGECACHE *maria_log_pagecache= &maria_log_pagecache_var; +MY_TMPDIR *maria_tmpdir; /* Tempdir for redo */ +char *maria_data_root; +HASH maria_stored_state; +int (*maria_create_trn_hook)(MARIA_HA *); + +/** + @brief when transactionality does not matter we can use this transaction + + Used in external programs like ma_test*, and also internally inside + libmaria when there is no transaction around and the operation isn't + transactional (CREATE/DROP/RENAME/OPTIMIZE/REPAIR). +*/ +TRN dummy_transaction_object; + +/* a WT_RESOURCE_TYPE for transactions waiting on a unique key conflict */ +WT_RESOURCE_TYPE ma_rc_dup_unique={ wt_resource_id_memcmp, 0}; + +/* Enough for comparing if number is zero */ +uchar maria_zero_string[]= {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; + +/* + read_vec[] is used for converting between P_READ_KEY.. and SEARCH_ + Position is , == , >= , <= , > , < +*/ + +uint32 maria_read_vec[]= +{ + SEARCH_FIND, /* HA_READ_KEY_EXACT */ + SEARCH_FIND | SEARCH_BIGGER, /* HA_READ_KEY_OR_NEXT */ + SEARCH_FIND | SEARCH_SMALLER, /* HA_READ_KEY_OR_PREV */ + SEARCH_NO_FIND | SEARCH_BIGGER, /* HA_READ_AFTER_KEY */ + SEARCH_NO_FIND | SEARCH_SMALLER, /* HA_READ_BEFORE_KEY */ + SEARCH_FIND | SEARCH_PART_KEY, /* HA_READ_PREFIX */ + SEARCH_LAST, /* HA_READ_PREFIX_LAST */ + SEARCH_LAST | SEARCH_SMALLER, /* HA_READ_PREFIX_LAST_OR_PREV */ + MBR_CONTAIN, /* HA_READ_MBR_CONTAIN */ + MBR_INTERSECT, /* HA_READ_MBR_INTERSECT */ + MBR_WITHIN, /* HA_READ_MBR_WITHIN */ + MBR_DISJOINT, /* HA_READ_MBR_DISJOINT */ + MBR_EQUAL /* HA_READ_MBR_EQUAL */ +}; + +uint32 maria_readnext_vec[]= +{ + SEARCH_BIGGER, SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_BIGGER, SEARCH_SMALLER, + SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_SMALLER +}; + +static int always_valid(const char *filename __attribute__((unused))) +{ + return 0; +} + +int (*maria_test_invalid_symlink)(const char *filename)= always_valid; |