mirror of
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21e7c668ff
DROP DATABASE in mysqladmin asks for confirmation (again) Added examined_rows to slow query log SHOW CREATE for TEMPORARY table
677 lines
26 KiB
C++
677 lines
26 KiB
C++
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef _MYSQL_PRIV_H
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#define _MYSQL_PRIV_H
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#include <global.h>
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#include <my_sys.h>
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#include <m_string.h>
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#include "mysql_version.h"
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#include <hash.h>
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#include <signal.h>
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#include <thr_lock.h>
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#include <my_base.h> /* Needed by field.h */
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#include <my_bitmap.h>
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#include <violite.h>
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#undef write // remove pthread.h macro definition for EMX
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typedef ulong table_map; /* Used for table bits in join */
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typedef ulong key_map; /* Used for finding keys */
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typedef ulong key_part_map; /* Used for finding key parts */
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#include "mysql_com.h"
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#include "unireg.h"
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void init_sql_alloc(MEM_ROOT *root, uint block_size, uint pre_alloc_size);
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gptr sql_alloc(unsigned size);
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gptr sql_calloc(unsigned size);
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char *sql_strdup(const char *str);
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char *sql_strmake(const char *str,uint len);
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gptr sql_memdup(const void * ptr,unsigned size);
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void sql_element_free(void *ptr);
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void kill_one_thread(THD *thd, ulong id);
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#define x_free(A) { my_free((gptr) (A),MYF(MY_WME | MY_FAE | MY_ALLOW_ZERO_PTR)); }
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#define safeFree(x) { if(x) { my_free((gptr) x,MYF(0)); x = NULL; } }
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#define PREV_BITS(type,A) ((type) (((type) 1 << (A)) -1))
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#define all_bits_set(A,B) ((A) & (B) != (B))
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#ifndef LL
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#ifdef HAVE_LONG_LONG
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#define LL(A) A ## LL
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#else
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#define LL(A) A ## L
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#endif
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#endif
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/***************************************************************************
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Configuration parameters
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****************************************************************************/
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#define ACL_CACHE_SIZE 256
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#define HASH_PASSWORD_LENGTH 16
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#define HOST_CACHE_SIZE 128
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#define MAX_ACCEPT_RETRY 10 // Test accept this many times
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#define MAX_BLOB_WIDTH 8192 // Default width for blob
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#define MAX_FIELDS_BEFORE_HASH 32
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#define USER_VARS_HASH_SIZE 16
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#define STACK_MIN_SIZE 8192 // Abort if less stack during eval.
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#ifndef MYSQLD_NET_RETRY_COUNT
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#define MYSQLD_NET_RETRY_COUNT 10 // Abort read after this many int.
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#endif
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#define TEMP_POOL_SIZE 128
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/* The following parameters is to decide when to use an extra cache to
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optimise seeks when reading a big table in sorted order */
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#define MIN_FILE_LENGTH_TO_USE_ROW_CACHE (16L*1024*1024)
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#define MIN_ROWS_TO_USE_TABLE_CACHE 100
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// The following is used to decide if MySQL should use table scanning
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// instead of reading with keys. The number says how many evaluation of the
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// WHERE clause is comparable to reading one extra row from a table.
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#define TIME_FOR_COMPARE 5 // 5 compares == one read
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// Number of rows in a reference table when refereed through a not unique key.
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// This value is only used when we don't know anything about the key
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// distribution.
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#define MATCHING_ROWS_IN_OTHER_TABLE 10
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/* Don't pack string keys shorter than this (if PACK_KEYS=1 isn't used) */
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#define KEY_DEFAULT_PACK_LENGTH 8
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/* Characters shown for the command in 'show processlist' */
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#define PROCESS_LIST_WIDTH 100
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/* Time handling defaults */
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#define TIMESTAMP_MAX_YEAR 2038
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#define YY_PART_YEAR 70
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#define PRECISION_FOR_DOUBLE 53
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#define PRECISION_FOR_FLOAT 24
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/* The following can also be changed from the command line */
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#define CONNECT_TIMEOUT 5 // Do not wait long for connect
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#define DEFAULT_CONCURRENCY 10
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#define DELAYED_LIMIT 100 /* pause after xxx inserts */
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#define DELAYED_QUEUE_SIZE 1000
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#define DELAYED_WAIT_TIMEOUT 5*60 /* Wait for delayed insert */
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#define FLUSH_TIME 0 /* Don't flush tables */
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#define MAX_CONNECT_ERRORS 10 // errors before disabling host
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#ifdef __WIN__
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#define IF_WIN(A,B) (A)
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#undef FLUSH_TIME
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#define FLUSH_TIME 1800 /* Flush every half hour */
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#define INTERRUPT_PRIOR -2
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#define CONNECT_PRIOR -1
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#define WAIT_PRIOR 0
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#define QUERY_PRIOR 2
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#else
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#define IF_WIN(A,B) (B)
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#define INTERRUPT_PRIOR 10
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#define CONNECT_PRIOR 9
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#define WAIT_PRIOR 8
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#define QUERY_PRIOR 6
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#endif /* __WIN92__ */
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/* Bits from testflag */
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#define TEST_PRINT_CACHED_TABLES 1
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#define TEST_NO_KEY_GROUP 2
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#define TEST_MIT_THREAD 4
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#define TEST_BLOCKING 8
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#define TEST_KEEP_TMP_TABLES 16
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#define TEST_NO_THREADS 32 /* For debugging under Linux */
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#define TEST_READCHECK 64 /* Force use of readcheck */
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#define TEST_NO_EXTRA 128
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#define TEST_CORE_ON_SIGNAL 256 /* Give core if signal */
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#define TEST_NO_STACKTRACE 512
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/* options for select set by the yacc parser (stored in lex->options) */
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#define SELECT_DISTINCT 1
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#define SELECT_STRAIGHT_JOIN 2
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#define SELECT_DESCRIBE 4
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#define SELECT_SMALL_RESULT 8
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#define SELECT_BIG_RESULT 16
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#define SELECT_HIGH_PRIORITY 64 /* Intern */
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#define SELECT_USE_CACHE 256 /* Intern */
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#define SELECT_COUNT_DISTINCT 512 /* Intern */
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#define OPTION_BIG_TABLES 512 /* for SQL OPTION */
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#define OPTION_BIG_SELECTS 1024 /* for SQL OPTION */
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#define OPTION_LOG_OFF 2048
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#define OPTION_UPDATE_LOG 4096 /* update log flag */
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#define OPTION_LOW_PRIORITY_UPDATES 8192
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#define OPTION_WARNINGS 16384
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#define OPTION_AUTO_IS_NULL 32768
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#define OPTION_ANSI_MODE 65536L
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#define OPTION_SAFE_UPDATES OPTION_ANSI_MODE*2
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#define OPTION_BUFFER_RESULT OPTION_SAFE_UPDATES*2
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#define OPTION_BIN_LOG OPTION_BUFFER_RESULT*2
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#define OPTION_NOT_AUTO_COMMIT OPTION_BIN_LOG*2
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#define OPTION_BEGIN OPTION_NOT_AUTO_COMMIT*2
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#define OPTION_QUICK OPTION_BEGIN*2
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#define OPTION_QUOTE_SHOW_CREATE OPTION_QUICK*2
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#define OPTION_INTERNAL_SUBTRANSACTIONS OPTION_QUOTE_SHOW_CREATE*2
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/* Set if we are updating a non-transaction safe table */
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#define OPTION_STATUS_NO_TRANS_UPDATE OPTION_INTERNAL_SUBTRANSACTIONS*2
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/* The following is set when parsing the query */
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#define QUERY_NO_INDEX_USED OPTION_STATUS_NO_TRANS_UPDATE*2
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#define QUERY_NO_GOOD_INDEX_USED QUERY_NO_INDEX_USED*2
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#define RAID_BLOCK_SIZE 1024
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/* BINLOG_DUMP options */
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#define BINLOG_DUMP_NON_BLOCK 1
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/* sql_show.cc:show_log_files() */
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#define SHOW_LOG_STATUS_FREE "FREE"
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#define SHOW_LOG_STATUS_INUSE "IN USE"
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/* Some portable defines */
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#define portable_sizeof_char_ptr 8
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#define tmp_file_prefix "#sql" /* Prefix for tmp tables */
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#define tmp_file_prefix_length 4
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struct st_table;
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class THD;
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/* Struct to handle simple linked lists */
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typedef struct st_sql_list {
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uint elements;
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byte *first;
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byte **next;
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} SQL_LIST;
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uint nr_of_decimals(const char *str); /* Neaded by sql_string.h */
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extern pthread_key(THD*, THR_THD);
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inline THD *_current_thd(void)
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{
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return my_pthread_getspecific_ptr(THD*,THR_THD);
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}
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#define current_thd _current_thd()
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#include "sql_string.h"
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#include "sql_list.h"
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#include "sql_map.h"
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#include "handler.h"
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#include "table.h"
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#include "field.h" /* Field definitions */
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#include "sql_udf.h"
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#include "item.h"
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#include "sql_class.h"
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#include "opt_range.h"
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void mysql_create_db(THD *thd, char *db, uint create_info);
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void mysql_binlog_send(THD* thd, char* log_ident, ulong pos, ushort flags);
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int mysql_rm_table(THD *thd,TABLE_LIST *tables, my_bool if_exists);
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int quick_rm_table(enum db_type base,const char *db,
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const char *table_name);
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bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list);
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bool mysql_change_db(THD *thd,const char *name);
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void mysql_parse(THD *thd,char *inBuf,uint length);
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void mysql_init_select(LEX *lex);
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void init_max_user_conn(void);
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void free_max_user_conn(void);
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pthread_handler_decl(handle_one_connection,arg);
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pthread_handler_decl(handle_bootstrap,arg);
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sig_handler end_thread_signal(int sig);
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void end_thread(THD *thd,bool put_in_cache);
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void flush_thread_cache();
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void mysql_execute_command(void);
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bool do_command(THD *thd);
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bool check_stack_overrun(THD *thd,char *dummy);
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bool reload_acl_and_cache(THD *thd, uint options, TABLE_LIST *tables);
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void mysql_rm_db(THD *thd,char *db,bool if_exists);
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void table_cache_init(void);
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void table_cache_free(void);
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uint cached_tables(void);
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void kill_mysql(void);
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void close_connection(NET *net,uint errcode=0,bool lock=1);
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bool check_access(THD *thd,uint access,const char *db=0,uint *save_priv=0,
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bool no_grant=0);
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bool check_process_priv(THD *thd=0);
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int generate_table(THD *thd, TABLE_LIST *table_list,
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TABLE *locked_table);
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int mysql_backup_table(THD* thd, TABLE_LIST* table_list);
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int mysql_restore_table(THD* thd, TABLE_LIST* table_list);
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int mysql_check_table(THD* thd, TABLE_LIST* table_list,
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HA_CHECK_OPT* check_opt);
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int mysql_repair_table(THD* thd, TABLE_LIST* table_list,
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HA_CHECK_OPT* check_opt);
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int mysql_analyze_table(THD* thd, TABLE_LIST* table_list,
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HA_CHECK_OPT* check_opt);
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int mysql_optimize_table(THD* thd, TABLE_LIST* table_list,
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HA_CHECK_OPT* check_opt);
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/* net_pkg.c */
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void send_error(NET *net,uint sql_errno=0, const char *err=0);
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void send_warning(NET *net, uint sql_errno, const char *err=0);
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void net_printf(NET *net,uint sql_errno, ...);
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void send_ok(NET *net,ha_rows affected_rows=0L,ulonglong id=0L,
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const char *info=0);
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void send_eof(NET *net,bool no_flush=0);
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char *net_store_length(char *packet,ulonglong length);
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char *net_store_length(char *packet,uint length);
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char *net_store_data(char *to,const char *from);
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char *net_store_data(char *to,int32 from);
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char *net_store_data(char *to,longlong from);
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bool net_store_null(String *packet);
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bool net_store_data(String *packet,uint32 from);
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bool net_store_data(String *packet,longlong from);
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bool net_store_data(String *packet,const char *from);
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bool net_store_data(String *packet,const char *from,uint length);
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bool net_store_data(String *packet,struct tm *tmp);
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bool net_store_data(String* packet, I_List<i_string>* str_list);
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bool net_store_data(String *packet,CONVERT *convert, const char *from,
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uint length);
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bool net_store_data(String *packet, CONVERT *convert, const char *from);
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SORT_FIELD * make_unireg_sortorder(ORDER *order, uint *length);
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int setup_order(THD *thd,TABLE_LIST *tables, List<Item> &fields,
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List <Item> &all_fields, ORDER *order);
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int mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &list,COND *conds,
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List<Item_func_match> &ftfuncs,
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ORDER *order, ORDER *group,Item *having,ORDER *proc_param,
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uint select_type,select_result *result);
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Field *create_tmp_field(TABLE *table,Item *item, Item::Type type,
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Item_result_field ***copy_func, Field **from_field,
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bool group,bool modify_item);
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int mysql_create_table(THD *thd,const char *db, const char *table_name,
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HA_CREATE_INFO *create_info,
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List<create_field> &fields, List<Key> &keys,
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bool tmp_table, bool no_log);
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// no_log is needed for the case of CREATE TABLE ... SELECT , as the logging
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// will be done later in sql_insert.cc
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TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
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const char *db, const char *name,
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List<create_field> *extra_fields,
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List<Key> *keys,
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List<Item> *items,
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MYSQL_LOCK **lock);
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int mysql_alter_table(THD *thd, char *new_db, char *new_name,
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HA_CREATE_INFO *create_info,
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TABLE_LIST *table_list,
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List<create_field> &fields,
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List<Key> &keys,List<Alter_drop> &drop_list,
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List<Alter_column> &alter_list,
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ORDER *order,
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bool drop_primary,
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enum enum_duplicates handle_duplicates);
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bool mysql_rename_table(enum db_type base,
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const char *old_db,
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const char * old_name,
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const char *new_db,
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const char * new_name);
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bool close_cached_table(THD *thd,TABLE *table);
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int mysql_create_index(THD *thd, TABLE_LIST *table_list, List<Key> &keys);
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int mysql_drop_index(THD *thd, TABLE_LIST *table_list,
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List<Alter_drop> &drop_list);
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int mysql_update(THD *thd,TABLE_LIST *tables,List<Item> &fields,
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List<Item> &values,COND *conds, ha_rows limit,
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enum enum_duplicates handle_duplicates,
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thr_lock_type lock_type);
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int mysql_insert(THD *thd,TABLE_LIST *table,List<Item> &fields,
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List<List_item> &values, enum_duplicates flag,
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thr_lock_type lock_type);
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void kill_delayed_threads(void);
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int mysql_delete(THD *thd,TABLE_LIST *table,COND *conds,ha_rows rows,
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thr_lock_type lock_type, ulong options);
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TABLE *open_ltable(THD *thd, TABLE_LIST *table_list, thr_lock_type update);
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TABLE *open_table(THD *thd,const char *db,const char *table,const char *alias,
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bool *refresh);
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TABLE *reopen_name_locked_table(THD* thd, TABLE_LIST* table);
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TABLE *find_locked_table(THD *thd, const char *db,const char *table_name);
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bool reopen_table(TABLE *table,bool locked=0);
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bool reopen_tables(THD *thd,bool get_locks,bool in_refresh);
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void close_old_data_files(THD *thd, TABLE *table, bool abort_locks,
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bool send_refresh);
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bool close_data_tables(THD *thd,const char *db, const char *table_name);
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bool wait_for_tables(THD *thd);
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bool table_is_used(TABLE *table, bool wait_for_name_lock);
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bool drop_locked_tables(THD *thd,const char *db, const char *table_name);
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void abort_locked_tables(THD *thd,const char *db, const char *table_name);
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Field *find_field_in_tables(THD *thd,Item_field *item,TABLE_LIST *tables);
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Field *find_field_in_table(THD *thd,TABLE *table,const char *name,uint length,
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bool check_grant,bool allow_rowid);
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/* sql_list.c */
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int mysqld_show_dbs(THD *thd,const char *wild);
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int mysqld_show_open_tables(THD *thd,const char *db,const char *wild);
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int mysqld_show_tables(THD *thd,const char *db,const char *wild);
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int mysqld_extend_show_tables(THD *thd,const char *db,const char *wild);
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int mysqld_show_fields(THD *thd,TABLE_LIST *table, const char *wild,
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bool verbose);
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int mysqld_show_keys(THD *thd, TABLE_LIST *table);
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int mysqld_show_logs(THD *thd);
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void mysqld_list_fields(THD *thd,TABLE_LIST *table, const char *wild);
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int mysqld_dump_create_info(THD *thd, TABLE *table, int fd = -1);
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int mysqld_show_create(THD *thd, TABLE_LIST *table_list);
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void mysqld_list_processes(THD *thd,const char *user,bool verbose);
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int mysqld_show_status(THD *thd);
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int mysqld_show_variables(THD *thd,const char *wild);
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int mysqld_show(THD *thd, const char *wild, show_var_st *variables);
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/* sql_base.cc */
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void set_item_name(Item *item,char *pos,uint length);
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bool add_field_to_list(char *field_name, enum enum_field_types type,
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char *length, char *decimal,
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uint type_modifier, Item *default_value,char *change,
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TYPELIB *interval);
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void store_position_for_column(const char *name);
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bool add_to_list(SQL_LIST &list,Item *group,bool asc=0);
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TABLE_LIST *add_table_to_list(Table_ident *table,LEX_STRING *alias,
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bool updating,
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thr_lock_type flags=TL_UNLOCK,
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List<String> *use_index=0,
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List<String> *ignore_index=0);
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void add_join_on(TABLE_LIST *b,Item *expr);
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void add_join_natural(TABLE_LIST *a,TABLE_LIST *b);
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bool add_proc_to_list(Item *item);
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TABLE *unlink_open_table(THD *thd,TABLE *list,TABLE *find);
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SQL_SELECT *make_select(TABLE *head, table_map const_tables,
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table_map read_tables, COND *conds, int *error);
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Item ** find_item_in_list(Item *item,List<Item> &items);
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bool setup_tables(TABLE_LIST *tables);
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int setup_fields(THD *thd,TABLE_LIST *tables,List<Item> &item,
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bool set_query_id,List<Item> *sum_func_list);
|
|
int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds);
|
|
int setup_ftfuncs(THD *thd,TABLE_LIST *tables, List<Item_func_match> &ftfuncs);
|
|
void wait_for_refresh(THD *thd);
|
|
int open_tables(THD *thd,TABLE_LIST *tables);
|
|
int open_and_lock_tables(THD *thd,TABLE_LIST *tables);
|
|
int lock_tables(THD *thd,TABLE_LIST *tables);
|
|
TABLE *open_temporary_table(THD *thd, const char *path, const char *db,
|
|
const char *table_name, bool link_in_list);
|
|
bool rm_temporary_table(enum db_type base, char *path);
|
|
bool send_fields(THD *thd,List<Item> &item,uint send_field_count);
|
|
void free_io_cache(TABLE *entry);
|
|
void intern_close_table(TABLE *entry);
|
|
void close_thread_tables(THD *thd,bool locked=0);
|
|
void close_temporary_tables(THD *thd);
|
|
TABLE **find_temporary_table(THD *thd, const char *db, const char *table_name);
|
|
bool close_temporary_table(THD *thd, const char *db, const char *table_name);
|
|
void close_temporary(TABLE *table, bool delete_table=1);
|
|
bool rename_temporary_table(THD* thd, TABLE *table, const char *new_db,
|
|
const char *table_name);
|
|
void remove_db_from_cache(const my_string db);
|
|
void flush_tables();
|
|
bool remove_table_from_cache(THD *thd, const char *db, const char *table,
|
|
bool return_if_owned_by_thd=0);
|
|
bool close_cached_tables(THD *thd, bool wait_for_refresh, TABLE_LIST *tables);
|
|
void copy_field_from_tmp_record(Field *field,int offset);
|
|
int fill_record(List<Item> &fields,List<Item> &values);
|
|
int fill_record(Field **field,List<Item> &values);
|
|
int list_open_tables(THD *thd,List<char> *files, const char *db,const char *wild);
|
|
char* query_table_status(THD *thd,const char *db,const char *table_name);
|
|
|
|
/* sql_calc.cc */
|
|
bool eval_const_cond(COND *cond);
|
|
|
|
/* sql_load.cc */
|
|
int mysql_load(THD *thd,sql_exchange *ex, TABLE_LIST *table_list,
|
|
List<Item> &fields, enum enum_duplicates handle_duplicates,
|
|
bool local_file,thr_lock_type lock_type);
|
|
int write_record(TABLE *table,COPY_INFO *info);
|
|
|
|
/* sql_manager.cc */
|
|
/* bits set in manager_status */
|
|
#define MANAGER_BERKELEY_LOG_CLEANUP (1L << 0)
|
|
extern ulong volatile manager_status;
|
|
extern bool volatile manager_thread_in_use;
|
|
extern pthread_t manager_thread;
|
|
extern pthread_mutex_t LOCK_manager;
|
|
extern pthread_cond_t COND_manager;
|
|
pthread_handler_decl(handle_manager, arg);
|
|
|
|
/* sql_test.cc */
|
|
#ifndef DBUG_OFF
|
|
void print_where(COND *cond,const char *info);
|
|
void print_cached_tables(void);
|
|
void TEST_filesort(TABLE **form,SORT_FIELD *sortorder,uint s_length,
|
|
ha_rows special);
|
|
#endif
|
|
void mysql_print_status(THD *thd);
|
|
/* key.cc */
|
|
int find_ref_key(TABLE *form,Field *field, uint *offset);
|
|
void key_copy(byte *key,TABLE *form,uint index,uint key_length);
|
|
void key_restore(TABLE *form,byte *key,uint index,uint key_length);
|
|
int key_cmp(TABLE *form,const byte *key,uint index,uint key_length);
|
|
void key_unpack(String *to,TABLE *form,uint index);
|
|
bool check_if_key_used(TABLE *table, uint idx, List<Item> &fields);
|
|
void init_errmessage(void);
|
|
|
|
void sql_perror(const char *message);
|
|
void sql_print_error(const char *format,...)
|
|
__attribute__ ((format (printf, 1, 2)));
|
|
|
|
extern uint32 server_id;
|
|
extern char mysql_data_home[2],server_version[SERVER_VERSION_LENGTH],
|
|
max_sort_char, mysql_real_data_home[];
|
|
extern my_string mysql_unix_port,mysql_tmpdir;
|
|
extern const char *first_keyword, *localhost, *delayed_user;
|
|
extern ulong refresh_version,flush_version, thread_id,query_id,opened_tables,
|
|
created_tmp_tables, created_tmp_disk_tables,
|
|
aborted_threads,aborted_connects,
|
|
delayed_insert_timeout,
|
|
delayed_insert_limit, delayed_queue_size,
|
|
delayed_insert_threads, delayed_insert_writes,
|
|
delayed_rows_in_use,delayed_insert_errors;
|
|
extern ulong filesort_rows, filesort_range_count, filesort_scan_count;
|
|
extern ulong filesort_merge_passes;
|
|
extern ulong select_range_check_count, select_range_count, select_scan_count;
|
|
extern ulong select_full_range_join_count,select_full_join_count,
|
|
slave_open_temp_tables;
|
|
extern uint test_flags,select_errors,mysql_port,ha_open_options;
|
|
extern ulong thd_startup_options, slow_launch_threads, slow_launch_time;
|
|
extern time_t start_time;
|
|
extern const char *command_name[];
|
|
extern I_List<THD> threads;
|
|
extern MYSQL_LOG mysql_log,mysql_update_log,mysql_slow_log,mysql_bin_log;
|
|
extern FILE *bootstrap_file;
|
|
extern pthread_key(MEM_ROOT*,THR_MALLOC);
|
|
extern pthread_key(NET*, THR_NET);
|
|
extern pthread_mutex_t LOCK_mysql_create_db,LOCK_Acl,LOCK_open,
|
|
LOCK_thread_count,LOCK_mapped_file,LOCK_user_locks, LOCK_status,
|
|
LOCK_grant, LOCK_error_log, LOCK_delayed_insert,
|
|
LOCK_delayed_status, LOCK_delayed_create, LOCK_crypt, LOCK_timezone,
|
|
LOCK_binlog_update, LOCK_slave, LOCK_server_id;
|
|
extern pthread_cond_t COND_refresh,COND_thread_count, COND_binlog_update,
|
|
COND_slave_stopped, COND_slave_start;
|
|
extern pthread_attr_t connection_attrib;
|
|
extern bool opt_endinfo, using_udf_functions, locked_in_memory,
|
|
opt_using_transactions, use_temp_pool;
|
|
extern char f_fyllchar;
|
|
extern ulong ha_read_count, ha_write_count, ha_delete_count, ha_update_count,
|
|
ha_read_key_count, ha_read_next_count, ha_read_prev_count,
|
|
ha_read_first_count, ha_read_last_count,
|
|
ha_read_rnd_count, ha_read_rnd_next_count;
|
|
extern MY_BITMAP temp_pool;
|
|
extern uchar *days_in_month;
|
|
extern DATE_FORMAT dayord;
|
|
extern double log_10[32];
|
|
extern uint protocol_version,dropping_tables;
|
|
extern ulong keybuff_size,sortbuff_size,max_item_sort_length,table_cache_size,
|
|
max_join_size,join_buff_size,tmp_table_size,
|
|
max_connections,max_connect_errors,long_query_time,
|
|
max_insert_delayed_threads, max_user_connections,
|
|
long_query_count,net_wait_timeout,net_interactive_timeout,
|
|
net_read_timeout,net_write_timeout,
|
|
what_to_log,flush_time,
|
|
max_tmp_tables,max_heap_table_size,query_buff_size,
|
|
lower_case_table_names,thread_stack,thread_stack_min,
|
|
binlog_cache_size, max_binlog_cache_size;
|
|
extern ulong specialflag, current_pid;
|
|
extern bool low_priority_updates, using_update_log;
|
|
extern bool opt_sql_bin_update, opt_safe_show_db;
|
|
extern char language[LIBLEN],reg_ext[FN_EXTLEN],blob_newline;
|
|
extern const char **errmesg; /* Error messages */
|
|
extern const char *default_tx_isolation_name;
|
|
extern String empty_string;
|
|
extern struct show_var_st init_vars[];
|
|
extern struct show_var_st status_vars[];
|
|
extern enum db_type default_table_type;
|
|
extern enum enum_tx_isolation default_tx_isolation;
|
|
|
|
#ifndef __WIN__
|
|
extern pthread_t signal_thread;
|
|
#endif
|
|
|
|
extern bool volatile abort_loop, shutdown_in_progress, grant_option;
|
|
extern uint volatile thread_count, thread_running, global_read_lock;
|
|
|
|
MYSQL_LOCK *mysql_lock_tables(THD *thd,TABLE **table,uint count);
|
|
void mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock);
|
|
void mysql_unlock_read_tables(THD *thd, MYSQL_LOCK *sql_lock);
|
|
void mysql_unlock_some_tables(THD *thd, TABLE **table,uint count);
|
|
void mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table);
|
|
void mysql_lock_abort(THD *thd, TABLE *table);
|
|
MYSQL_LOCK *mysql_lock_merge(MYSQL_LOCK *a,MYSQL_LOCK *b);
|
|
|
|
/* Lock based on name */
|
|
int lock_table_name(THD *thd, TABLE_LIST *table_list);
|
|
void unlock_table_name(THD *thd, TABLE_LIST *table_list);
|
|
bool wait_for_locked_table_names(THD *thd, TABLE_LIST *table_list);
|
|
|
|
|
|
/* old unireg functions */
|
|
|
|
void unireg_init(ulong options);
|
|
void unireg_end(int signal);
|
|
int rea_create_table(my_string file_name,HA_CREATE_INFO *create_info,
|
|
List<create_field> &create_field,
|
|
uint key_count,KEY *key_info);
|
|
int format_number(uint inputflag,uint max_length,my_string pos,uint length,
|
|
my_string *errpos);
|
|
int openfrm(const char *name,const char *alias,uint filestat,uint prgflag,
|
|
uint ha_open_flags, TABLE *outparam);
|
|
int closefrm(TABLE *table);
|
|
db_type get_table_type(const char *name);
|
|
int read_string(File file, gptr *to, uint length);
|
|
void free_blobs(TABLE *table);
|
|
int set_zone(int nr,int min_zone,int max_zone);
|
|
ulong convert_period_to_month(ulong period);
|
|
ulong convert_month_to_period(ulong month);
|
|
long calc_daynr(uint year,uint month,uint day);
|
|
uint calc_days_in_year(uint year);
|
|
void get_date_from_daynr(long daynr,uint *year, uint *month,
|
|
uint *day);
|
|
void init_time(void);
|
|
long my_gmt_sec(TIME *);
|
|
time_t str_to_timestamp(const char *str,uint length);
|
|
bool str_to_time(const char *str,uint length,TIME *l_time);
|
|
longlong str_to_datetime(const char *str,uint length,bool fuzzy_date);
|
|
timestamp_type str_to_TIME(const char *str, uint length, TIME *l_time,
|
|
bool fuzzy_date);
|
|
|
|
int test_if_number(char *str,int *res,bool allow_wildcards);
|
|
void change_byte(byte *,uint,char,char);
|
|
void unireg_abort(int exit_code);
|
|
void init_read_record(READ_RECORD *info, THD *thd, TABLE *reg_form,
|
|
SQL_SELECT *select,
|
|
int use_record_cache, bool print_errors);
|
|
void end_read_record(READ_RECORD *info);
|
|
ha_rows filesort(TABLE **form,struct st_sort_field *sortorder, uint s_length,
|
|
SQL_SELECT *select, ha_rows special,ha_rows max_rows,
|
|
ha_rows *examined_rows);
|
|
void change_double_for_sort(double nr,byte *to);
|
|
int get_quick_record(SQL_SELECT *select);
|
|
int calc_weekday(long daynr,bool sunday_first_day_of_week);
|
|
uint calc_week(TIME *ltime, bool with_year, bool sunday_first_day_of_week,
|
|
uint *year);
|
|
void find_date(char *pos,uint *vek,uint flag);
|
|
TYPELIB *convert_strings_to_array_type(my_string *typelibs, my_string *end);
|
|
TYPELIB *typelib(List<String> &strings);
|
|
void clean_up(bool print_message=1);
|
|
ulong get_form_pos(File file, uchar *head, TYPELIB *save_names);
|
|
ulong make_new_entry(File file,uchar *fileinfo,TYPELIB *formnames,
|
|
const char *newname);
|
|
ulong next_io_size(ulong pos);
|
|
void append_unescaped(String *res,const char *pos);
|
|
int create_frm(char *name,uint reclength,uchar *fileinfo,
|
|
HA_CREATE_INFO *create_info, uint keys);
|
|
void update_create_info_from_table(HA_CREATE_INFO *info, TABLE *form);
|
|
int rename_file_ext(const char * from,const char * to,const char * ext);
|
|
bool check_db_name(const char *db);
|
|
bool check_column_name(const char *name);
|
|
bool check_table_name(const char *name, uint length);
|
|
char *get_field(MEM_ROOT *mem,TABLE *table,uint fieldnr);
|
|
int wild_case_compare(const char *str,const char *wildstr);
|
|
int wild_compare(const char *str,const char *str_end,
|
|
const char *wildstr,const char *wildend,char escape);
|
|
int wild_case_compare(const char *str,const char *str_end,
|
|
const char *wildstr,const char *wildend,char escape);
|
|
|
|
/* from hostname.cc */
|
|
struct in_addr;
|
|
my_string ip_to_hostname(struct in_addr *in,uint *errors);
|
|
void inc_host_errors(struct in_addr *in);
|
|
void reset_host_errors(struct in_addr *in);
|
|
bool hostname_cache_init();
|
|
void hostname_cache_free();
|
|
void hostname_cache_refresh(void);
|
|
bool get_interval_info(const char *str,uint length,uint count,
|
|
long *values);
|
|
/* sql_cache */
|
|
|
|
extern bool sql_cache_init();
|
|
extern void sql_cache_free();
|
|
extern int sql_cache_hit(THD *thd, char *inBuf, uint length);
|
|
|
|
/* Some inline functions for more speed */
|
|
|
|
inline bool add_item_to_list(Item *item)
|
|
{
|
|
return current_lex->item_list.push_back(item);
|
|
}
|
|
inline bool add_value_to_list(Item *value)
|
|
{
|
|
return current_lex->value_list.push_back(value);
|
|
}
|
|
inline bool add_order_to_list(Item *item,bool asc)
|
|
{
|
|
return add_to_list(current_lex->order_list,item,asc);
|
|
}
|
|
inline bool add_group_to_list(Item *item,bool asc)
|
|
{
|
|
return add_to_list(current_lex->group_list,item,asc);
|
|
}
|
|
inline void mark_as_null_row(TABLE *table)
|
|
{
|
|
table->null_row=1;
|
|
table->status|=STATUS_NULL_ROW;
|
|
bfill(table->null_flags,table->null_bytes,255);
|
|
}
|
|
|
|
#endif
|