442 lines
15 KiB
C
442 lines
15 KiB
C
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/* Copyright (C) 2000-2003 MySQL 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_h
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#define _mysql_h
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#ifdef __CYGWIN__ /* CYGWIN implements a UNIX API */
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#undef WIN
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#undef _WIN
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#undef _WIN32
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#undef _WIN64
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#undef __WIN__
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _global_h /* If not standard header */
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#include <sys/types.h>
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#ifdef __LCC__
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#include <winsock.h> /* For windows */
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#endif
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typedef char my_bool;
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#if (defined(_WIN32) || defined(_WIN64)) && !defined(__WIN__)
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#define __WIN__
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#endif
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#if !defined(__WIN__)
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#define STDCALL
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#else
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#define STDCALL __stdcall
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#endif
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typedef char * gptr;
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#ifndef my_socket_defined
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#ifdef __WIN__
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#define my_socket SOCKET
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#else
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typedef int my_socket;
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#endif /* __WIN__ */
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#endif /* my_socket_defined */
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#endif /* _global_h */
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#include "mysql_com.h"
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#include "mysql_version.h"
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extern unsigned int mysql_port;
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extern char *mysql_unix_port;
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#define CLIENT_NET_READ_TIMEOUT 365*24*3600 /* Timeout on read */
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#define CLIENT_NET_WRITE_TIMEOUT 365*24*3600 /* Timeout on write */
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#ifdef __NETWARE__
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#pragma pack(push, 8) /* 8 byte alignment */
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#endif
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#define IS_PRI_KEY(n) ((n) & PRI_KEY_FLAG)
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#define IS_NOT_NULL(n) ((n) & NOT_NULL_FLAG)
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#define IS_BLOB(n) ((n) & BLOB_FLAG)
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#define IS_NUM(t) ((t) <= FIELD_TYPE_INT24 || (t) == FIELD_TYPE_YEAR)
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#define IS_NUM_FIELD(f) ((f)->flags & NUM_FLAG)
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#define INTERNAL_NUM_FIELD(f) (((f)->type <= FIELD_TYPE_INT24 && ((f)->type != FIELD_TYPE_TIMESTAMP || (f)->length == 14 || (f)->length == 8)) || (f)->type == FIELD_TYPE_YEAR)
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typedef struct st_mysql_field {
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char *name; /* Name of column */
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char *table; /* Table of column if column was a field */
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char *org_table; /* Org table name if table was an alias */
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char *db; /* Database for table */
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char *def; /* Default value (set by mysql_list_fields) */
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unsigned long length; /* Width of column */
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unsigned long max_length; /* Max width of selected set */
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unsigned int flags; /* Div flags */
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unsigned int decimals; /* Number of decimals in field */
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enum enum_field_types type; /* Type of field. Se mysql_com.h for types */
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} MYSQL_FIELD;
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typedef char **MYSQL_ROW; /* return data as array of strings */
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typedef unsigned int MYSQL_FIELD_OFFSET; /* offset to current field */
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#if defined(NO_CLIENT_LONG_LONG)
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typedef unsigned long my_ulonglong;
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#elif defined (__WIN__)
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typedef unsigned __int64 my_ulonglong;
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#else
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typedef unsigned long long my_ulonglong;
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#endif
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#define MYSQL_COUNT_ERROR (~(my_ulonglong) 0)
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typedef struct st_mysql_rows {
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struct st_mysql_rows *next; /* list of rows */
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MYSQL_ROW data;
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} MYSQL_ROWS;
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typedef MYSQL_ROWS *MYSQL_ROW_OFFSET; /* offset to current row */
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#include "my_alloc.h"
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typedef struct st_mysql_data {
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my_ulonglong rows;
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unsigned int fields;
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MYSQL_ROWS *data;
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MEM_ROOT alloc;
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} MYSQL_DATA;
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struct st_mysql_options {
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unsigned int connect_timeout,client_flag;
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unsigned int port;
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char *host,*init_command,*user,*password,*unix_socket,*db;
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char *my_cnf_file,*my_cnf_group, *charset_dir, *charset_name;
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char *ssl_key; /* PEM key file */
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char *ssl_cert; /* PEM cert file */
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char *ssl_ca; /* PEM CA file */
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char *ssl_capath; /* PEM directory of CA-s? */
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char *ssl_cipher; /* cipher to use */
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unsigned long max_allowed_packet;
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my_bool use_ssl; /* if to use SSL or not */
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my_bool compress,named_pipe;
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/*
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On connect, find out the replication role of the server, and
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establish connections to all the peers
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*/
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my_bool rpl_probe;
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/*
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Each call to mysql_real_query() will parse it to tell if it is a read
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or a write, and direct it to the slave or the master
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*/
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my_bool rpl_parse;
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/*
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If set, never read from a master,only from slave, when doing
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a read that is replication-aware
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*/
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my_bool no_master_reads;
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};
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enum mysql_option { MYSQL_OPT_CONNECT_TIMEOUT, MYSQL_OPT_COMPRESS,
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MYSQL_OPT_NAMED_PIPE, MYSQL_INIT_COMMAND,
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MYSQL_READ_DEFAULT_FILE, MYSQL_READ_DEFAULT_GROUP,
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MYSQL_SET_CHARSET_DIR, MYSQL_SET_CHARSET_NAME,
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MYSQL_OPT_LOCAL_INFILE};
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enum mysql_status { MYSQL_STATUS_READY,MYSQL_STATUS_GET_RESULT,
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MYSQL_STATUS_USE_RESULT};
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/*
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There are three types of queries - the ones that have to go to
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the master, the ones that go to a slave, and the adminstrative
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type which must happen on the pivot connectioin
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*/
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enum mysql_rpl_type { MYSQL_RPL_MASTER, MYSQL_RPL_SLAVE,
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MYSQL_RPL_ADMIN };
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typedef struct st_mysql {
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NET net; /* Communication parameters */
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gptr connector_fd; /* ConnectorFd for SSL */
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char *host,*user,*passwd,*unix_socket,*server_version,*host_info,
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*info,*db;
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struct charset_info_st *charset;
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MYSQL_FIELD *fields;
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MEM_ROOT field_alloc;
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my_ulonglong affected_rows;
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my_ulonglong insert_id; /* id if insert on table with NEXTNR */
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my_ulonglong extra_info; /* Used by mysqlshow */
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unsigned long thread_id; /* Id for connection in server */
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unsigned long packet_length;
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unsigned int port,client_flag,server_capabilities;
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unsigned int protocol_version;
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unsigned int field_count;
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unsigned int server_status;
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unsigned int server_language;
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struct st_mysql_options options;
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enum mysql_status status;
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my_bool free_me; /* If free in mysql_close */
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my_bool reconnect; /* set to 1 if automatic reconnect */
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char scramble_buff[9];
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/*
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Set if this is the original connection, not a master or a slave we have
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added though mysql_rpl_probe() or mysql_set_master()/ mysql_add_slave()
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*/
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my_bool rpl_pivot;
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/*
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Pointers to the master, and the next slave connections, points to
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itself if lone connection.
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*/
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struct st_mysql* master, *next_slave;
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struct st_mysql* last_used_slave; /* needed for round-robin slave pick */
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/* needed for send/read/store/use result to work correctly with replication */
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struct st_mysql* last_used_con;
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} MYSQL;
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typedef struct st_mysql_res {
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my_ulonglong row_count;
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MYSQL_FIELD *fields;
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MYSQL_DATA *data;
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MYSQL_ROWS *data_cursor;
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unsigned long *lengths; /* column lengths of current row */
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MYSQL *handle; /* for unbuffered reads */
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MEM_ROOT field_alloc;
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unsigned int field_count, current_field;
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MYSQL_ROW row; /* If unbuffered read */
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MYSQL_ROW current_row; /* buffer to current row */
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my_bool eof; /* Used by mysql_fetch_row */
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} MYSQL_RES;
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#define MAX_MYSQL_MANAGER_ERR 256
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#define MAX_MYSQL_MANAGER_MSG 256
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#define MANAGER_OK 200
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#define MANAGER_INFO 250
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#define MANAGER_ACCESS 401
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#define MANAGER_CLIENT_ERR 450
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#define MANAGER_INTERNAL_ERR 500
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typedef struct st_mysql_manager
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{
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NET net;
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char *host,*user,*passwd;
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unsigned int port;
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my_bool free_me;
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my_bool eof;
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int cmd_status;
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int last_errno;
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char* net_buf,*net_buf_pos,*net_data_end;
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int net_buf_size;
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char last_error[MAX_MYSQL_MANAGER_ERR];
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} MYSQL_MANAGER;
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/*
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Set up and bring down the server; to ensure that applications will
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work when linked against either the standard client library or the
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embedded server library, these functions should be called.
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*/
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int STDCALL mysql_server_init(int argc, char **argv, char **groups);
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void STDCALL mysql_server_end(void);
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/*
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Set up and bring down a thread; these function should be called
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for each thread in an application which opens at least one MySQL
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connection. All uses of the connection(s) should be between these
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function calls.
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*/
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my_bool STDCALL mysql_thread_init(void);
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void STDCALL mysql_thread_end(void);
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/*
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Functions to get information from the MYSQL and MYSQL_RES structures
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Should definitely be used if one uses shared libraries.
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*/
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my_ulonglong STDCALL mysql_num_rows(MYSQL_RES *res);
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unsigned int STDCALL mysql_num_fields(MYSQL_RES *res);
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my_bool STDCALL mysql_eof(MYSQL_RES *res);
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MYSQL_FIELD *STDCALL mysql_fetch_field_direct(MYSQL_RES *res,
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unsigned int fieldnr);
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MYSQL_FIELD * STDCALL mysql_fetch_fields(MYSQL_RES *res);
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MYSQL_ROW_OFFSET STDCALL mysql_row_tell(MYSQL_RES *res);
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MYSQL_FIELD_OFFSET STDCALL mysql_field_tell(MYSQL_RES *res);
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unsigned int STDCALL mysql_field_count(MYSQL *mysql);
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my_ulonglong STDCALL mysql_affected_rows(MYSQL *mysql);
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my_ulonglong STDCALL mysql_insert_id(MYSQL *mysql);
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unsigned int STDCALL mysql_errno(MYSQL *mysql);
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const char * STDCALL mysql_error(MYSQL *mysql);
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const char * STDCALL mysql_info(MYSQL *mysql);
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unsigned long STDCALL mysql_thread_id(MYSQL *mysql);
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const char * STDCALL mysql_character_set_name(MYSQL *mysql);
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MYSQL * STDCALL mysql_init(MYSQL *mysql);
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int STDCALL mysql_ssl_set(MYSQL *mysql, const char *key,
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const char *cert, const char *ca,
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const char *capath, const char *cipher);
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my_bool STDCALL mysql_change_user(MYSQL *mysql, const char *user,
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const char *passwd, const char *db);
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MYSQL * STDCALL mysql_real_connect(MYSQL *mysql, const char *host,
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const char *user,
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const char *passwd,
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const char *db,
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unsigned int port,
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const char *unix_socket,
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unsigned int clientflag);
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void STDCALL mysql_close(MYSQL *sock);
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int STDCALL mysql_select_db(MYSQL *mysql, const char *db);
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int STDCALL mysql_query(MYSQL *mysql, const char *q);
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int STDCALL mysql_send_query(MYSQL *mysql, const char *q,
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unsigned long length);
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int STDCALL mysql_read_query_result(MYSQL *mysql);
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int STDCALL mysql_real_query(MYSQL *mysql, const char *q,
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unsigned long length);
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/* perform query on master */
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int STDCALL mysql_master_query(MYSQL *mysql, const char *q,
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unsigned long length);
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int STDCALL mysql_master_send_query(MYSQL *mysql, const char *q,
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unsigned long length);
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/* perform query on slave */
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int STDCALL mysql_slave_query(MYSQL *mysql, const char *q,
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unsigned long length);
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int STDCALL mysql_slave_send_query(MYSQL *mysql, const char *q,
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unsigned long length);
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/*
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enable/disable parsing of all queries to decide if they go on master or
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slave
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*/
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void STDCALL mysql_enable_rpl_parse(MYSQL* mysql);
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void STDCALL mysql_disable_rpl_parse(MYSQL* mysql);
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/* get the value of the parse flag */
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int STDCALL mysql_rpl_parse_enabled(MYSQL* mysql);
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/* enable/disable reads from master */
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void STDCALL mysql_enable_reads_from_master(MYSQL* mysql);
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void STDCALL mysql_disable_reads_from_master(MYSQL* mysql);
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/* get the value of the master read flag */
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int STDCALL mysql_reads_from_master_enabled(MYSQL* mysql);
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enum mysql_rpl_type STDCALL mysql_rpl_query_type(const char* q, int len);
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/* discover the master and its slaves */
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int STDCALL mysql_rpl_probe(MYSQL* mysql);
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/* set the master, close/free the old one, if it is not a pivot */
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int STDCALL mysql_set_master(MYSQL* mysql, const char* host,
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unsigned int port,
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const char* user,
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const char* passwd);
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int STDCALL mysql_add_slave(MYSQL* mysql, const char* host,
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unsigned int port,
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const char* user,
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const char* passwd);
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int STDCALL mysql_shutdown(MYSQL *mysql);
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int STDCALL mysql_dump_debug_info(MYSQL *mysql);
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|
|
int STDCALL mysql_refresh(MYSQL *mysql,
|
||
|
|
unsigned int refresh_options);
|
||
|
|
int STDCALL mysql_kill(MYSQL *mysql,unsigned long pid);
|
||
|
|
int STDCALL mysql_ping(MYSQL *mysql);
|
||
|
|
const char * STDCALL mysql_stat(MYSQL *mysql);
|
||
|
|
const char * STDCALL mysql_get_server_info(MYSQL *mysql);
|
||
|
|
const char * STDCALL mysql_get_client_info(void);
|
||
|
|
unsigned long STDCALL mysql_get_client_version(void);
|
||
|
|
const char * STDCALL mysql_get_host_info(MYSQL *mysql);
|
||
|
|
unsigned int STDCALL mysql_get_proto_info(MYSQL *mysql);
|
||
|
|
MYSQL_RES * STDCALL mysql_list_dbs(MYSQL *mysql,const char *wild);
|
||
|
|
MYSQL_RES * STDCALL mysql_list_tables(MYSQL *mysql,const char *wild);
|
||
|
|
MYSQL_RES * STDCALL mysql_list_fields(MYSQL *mysql, const char *table,
|
||
|
|
const char *wild);
|
||
|
|
MYSQL_RES * STDCALL mysql_list_processes(MYSQL *mysql);
|
||
|
|
MYSQL_RES * STDCALL mysql_store_result(MYSQL *mysql);
|
||
|
|
MYSQL_RES * STDCALL mysql_use_result(MYSQL *mysql);
|
||
|
|
int STDCALL mysql_options(MYSQL *mysql,enum mysql_option option,
|
||
|
|
const char *arg);
|
||
|
|
void STDCALL mysql_free_result(MYSQL_RES *result);
|
||
|
|
void STDCALL mysql_data_seek(MYSQL_RES *result,
|
||
|
|
my_ulonglong offset);
|
||
|
|
MYSQL_ROW_OFFSET STDCALL mysql_row_seek(MYSQL_RES *result,
|
||
|
|
MYSQL_ROW_OFFSET offset);
|
||
|
|
MYSQL_FIELD_OFFSET STDCALL mysql_field_seek(MYSQL_RES *result,
|
||
|
|
MYSQL_FIELD_OFFSET offset);
|
||
|
|
MYSQL_ROW STDCALL mysql_fetch_row(MYSQL_RES *result);
|
||
|
|
unsigned long * STDCALL mysql_fetch_lengths(MYSQL_RES *result);
|
||
|
|
MYSQL_FIELD * STDCALL mysql_fetch_field(MYSQL_RES *result);
|
||
|
|
unsigned long STDCALL mysql_escape_string(char *to,const char *from,
|
||
|
|
unsigned long from_length);
|
||
|
|
unsigned long STDCALL mysql_real_escape_string(MYSQL *mysql,
|
||
|
|
char *to,const char *from,
|
||
|
|
unsigned long length);
|
||
|
|
void STDCALL mysql_debug(const char *debug);
|
||
|
|
char * STDCALL mysql_odbc_escape_string(MYSQL *mysql,
|
||
|
|
char *to,
|
||
|
|
unsigned long to_length,
|
||
|
|
const char *from,
|
||
|
|
unsigned long from_length,
|
||
|
|
void *param,
|
||
|
|
char *
|
||
|
|
(*extend_buffer)
|
||
|
|
(void *, char *to,
|
||
|
|
unsigned long *length));
|
||
|
|
void STDCALL myodbc_remove_escape(MYSQL *mysql,char *name);
|
||
|
|
unsigned int STDCALL mysql_thread_safe(void);
|
||
|
|
MYSQL_MANAGER* STDCALL mysql_manager_init(MYSQL_MANAGER* con);
|
||
|
|
MYSQL_MANAGER* STDCALL mysql_manager_connect(MYSQL_MANAGER* con,
|
||
|
|
const char* host,
|
||
|
|
const char* user,
|
||
|
|
const char* passwd,
|
||
|
|
unsigned int port);
|
||
|
|
void STDCALL mysql_manager_close(MYSQL_MANAGER* con);
|
||
|
|
int STDCALL mysql_manager_command(MYSQL_MANAGER* con,
|
||
|
|
const char* cmd, int cmd_len);
|
||
|
|
int STDCALL mysql_manager_fetch_line(MYSQL_MANAGER* con,
|
||
|
|
char* res_buf,
|
||
|
|
int res_buf_size);
|
||
|
|
#define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT)
|
||
|
|
|
||
|
|
#ifdef USE_OLD_FUNCTIONS
|
||
|
|
MYSQL * STDCALL mysql_connect(MYSQL *mysql, const char *host,
|
||
|
|
const char *user, const char *passwd);
|
||
|
|
int STDCALL mysql_create_db(MYSQL *mysql, const char *DB);
|
||
|
|
int STDCALL mysql_drop_db(MYSQL *mysql, const char *DB);
|
||
|
|
#define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT)
|
||
|
|
#endif
|
||
|
|
#define HAVE_MYSQL_REAL_CONNECT
|
||
|
|
|
||
|
|
/*
|
||
|
|
The following functions are mainly exported because of mysqlbinlog;
|
||
|
|
They are not for general usage
|
||
|
|
*/
|
||
|
|
|
||
|
|
int simple_command(MYSQL *mysql,enum enum_server_command command,
|
||
|
|
const char *arg, unsigned long length, my_bool skipp_check);
|
||
|
|
unsigned long net_safe_read(MYSQL* mysql);
|
||
|
|
int mysql_once_init(void);
|
||
|
|
|
||
|
|
extern my_bool server_inited;
|
||
|
|
|
||
|
|
#ifdef __NETWARE__
|
||
|
|
#pragma pack(pop) /* restore alignment */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _mysql_h */
|