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| version 1.3, 2001/11/08 10:21:23 | version 1.34, 2008/06/30 14:00:19 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser MySQL driver. | Parser MySQL driver. |
| Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com) | Copyright(c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru>(http://design.ru/paf) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| 2001.07.30 using MySQL 3.23.22b | 2001.07.30 using MySQL 3.23.22b |
| Line 28 static const char *RCSId="$Id$"; | Line 28 static const char *RCSId="$Id$"; |
| # define strcasecmp _stricmp | # define strcasecmp _stricmp |
| #endif | #endif |
| static char *lsplit(char *string, char delim) { | static char *lsplit(char *string, char delim){ |
| if(string) { | if(string) { |
| char *v=strchr(string, delim); | if(char *v=strchr(string, delim)){ |
| if(v) { | |
| *v=0; | *v=0; |
| return v+1; | return v+1; |
| } | } |
| } | } |
| return 0; | return 0; |
| } | } |
| static char *lsplit(char **string_ref, char delim) { | static char *lsplit(char **string_ref, char delim){ |
| char *result=*string_ref; | char *result=*string_ref; |
| char *next=lsplit(*string_ref, delim); | char *next=lsplit(*string_ref, delim); |
| *string_ref=next; | *string_ref=next; |
| return result; | return result; |
| } | |
| static char* rsplit(char* string, char delim){ | |
| if(string){ | |
| if(char* v=strrchr(string, delim)){ | |
| *v=0; | |
| return v+1; | |
| } | |
| } | |
| return NULL; | |
| } | |
| static void toupper_str(char *out, const char *in, size_t size){ | |
| while(size--) | |
| *out++=(char)toupper(*in++); | |
| } | } |
| struct Connection { | |
| SQL_Driver_services* services; | |
| MYSQL* handle; | |
| const char* client_charset; | |
| bool autocommit; | |
| }; | |
| /** | /** |
| MySQL server driver | MySQL server driver |
| */ | */ |
| class MySQL_Driver : public SQL_Driver { | class MySQL_Driver : public SQL_Driver { |
| public: | public: |
| MySQL_Driver() : SQL_Driver() { | MySQL_Driver() : SQL_Driver() {} |
| ~MySQL_Driver() { | |
| if(mysql_server_end) | |
| mysql_server_end(); | |
| } | } |
| /// get api version | /// get api version |
| int api_version() { return SQL_DRIVER_API_VERSION; } | int api_version() { return SQL_DRIVER_API_VERSION; } |
| /// initialize driver by loading sql dynamic link library | /// initialize driver by loading sql dynamic link library |
| const char *initialize(const char *dlopen_file_spec) { | const char *initialize(char *dlopen_file_spec) { |
| return dlopen_file_spec? | return dlopen_file_spec? |
| dlink(dlopen_file_spec):"client library column is empty"; | dlink(dlopen_file_spec):"client library column is empty"; |
| } | } |
| /** connect | /** connect |
| @param used_only_in_connect_url | @param url |
| format: @b user:pass@host[:port]|[/unix/socket]/database? | format: @b user:pass@host[:port]|[/unix/socket]/database? |
| charset=cp1251_koi8& | charset=value& // transcode by server with command 'SET CHARACTER SET value' |
| ClientCharset=charset& // transcode by parser | |
| timeout=3& | timeout=3& |
| compress=1& | compress=0& |
| named_pipe=1 | named_pipe=1& |
| 3.23.22b | autocommit=1& |
| Currently the only option for @b character_set_name is cp1251_koi8. | multi_statements=0 // allow more then one statement in one query |
| WARNING: must be used only to connect, for buffer doesn't live long | old_client=1 // simulate 3.xx client. not compatible with multi_statements option |
| 3.x, 4.0 | |
| only option for charset is cp1251_koi8. | |
| 4.1+ accept not 'cp1251_koi8' but 'cp1251', 'utf8' and much more | |
| it is usable for transcoding using sql server | |
| */ | */ |
| void connect( | void connect( |
| char *used_only_in_connect_url, | char *url, |
| SQL_Driver_services& services, | SQL_Driver_services& services, |
| void **connection ///< output: MYSQL * | void **connection_ref ///< output: Connection* |
| ) { | ){ |
| char *user=used_only_in_connect_url; | char *user=url; |
| char *s=lsplit(user, '@'); | char *s=rsplit(user, '@'); |
| char *host=0; | char *host=0; |
| char *unix_socket=0; | char *unix_socket=0; |
| if(s && s[0]=='[') { // unix socket | if(s && s[0]=='[') { // unix socket |
| Line 96 public: | Line 130 public: |
| char *options=lsplit(db, '?'); | char *options=lsplit(db, '?'); |
| char *charset=0; | char *charset=0; |
| int client_flag=CLIENT_MULTI_RESULTS; | |
| MYSQL *mysql=mysql_init(NULL); | Connection& connection=*(Connection *)services.malloc(sizeof(Connection)); |
| *connection_ref=&connection; | |
| while(options) { | connection.services=&services; |
| if(char *key=lsplit(&options, '&')) { | connection.handle=mysql_init(NULL); |
| if(*key) { | connection.client_charset=0; |
| if(char *value=lsplit(key, '=')) { | connection.autocommit=true; |
| if(strcasecmp(key, "charset")==0) { | |
| while(options){ | |
| if(char *key=lsplit(&options, '&')){ | |
| if(*key){ | |
| if(char *value=lsplit(key, '=')){ | |
| if(strcmp(key, "ClientCharset")==0){ // transcoding with parser | |
| toupper_str(value, value, strlen(value)); | |
| connection.client_charset=value; | |
| } else if(strcasecmp(key, "charset")==0){ // transcoding with server | |
| charset=value; | charset=value; |
| } else if(strcasecmp(key, "timeout")==0) { | } else if(strcasecmp(key, "timeout")==0){ |
| unsigned int timeout=(unsigned int)atoi(value); | unsigned int timeout=(unsigned int)atoi(value); |
| if(mysql_options(mysql, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&timeout)!=0) | if(mysql_options(connection.handle, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&timeout)!=0) |
| services._throw(mysql_error(mysql)); | services._throw(mysql_error(connection.handle)); |
| } else if(strcasecmp(key, "compress")==0) { | } else if(strcasecmp(key, "compress")==0){ |
| if(atoi(value)) | if(atoi(value)) |
| if(mysql_options(mysql, MYSQL_OPT_COMPRESS, 0)!=0) | if(mysql_options(connection.handle, MYSQL_OPT_COMPRESS, 0)!=0) |
| services._throw(mysql_error(mysql)); | services._throw(mysql_error(connection.handle)); |
| } else if(strcasecmp(key, "named_pipe")==0) { | } else if(strcasecmp(key, "named_pipe")==0){ |
| if(atoi(value)) | if(atoi(value)) |
| if(mysql_options(mysql, MYSQL_OPT_NAMED_PIPE , 0)!=0) | if(mysql_options(connection.handle, MYSQL_OPT_NAMED_PIPE, 0)!=0) |
| services._throw(mysql_error(mysql)); | services._throw(mysql_error(connection.handle)); |
| } else if(strcasecmp(key, "autocommit")==0){ | |
| if(atoi(value)==0) | |
| connection.autocommit=false; | |
| } else if(strcasecmp(key, "multi_statements")==0){ | |
| if(!(client_flag==CLIENT_MULTI_RESULTS || client_flag==CLIENT_MULTI_STATEMENTS)) | |
| services._throw("you can't specify together options old_client and multi_statements"); | |
| if(atoi(value)!=0) | |
| client_flag=CLIENT_MULTI_STATEMENTS; | |
| } else if(strcasecmp(key, "old_client")==0){ | |
| if(!(client_flag==CLIENT_MULTI_RESULTS || client_flag==0)) | |
| services._throw("you can't specify together options old_client and multi_statements"); | |
| if(atoi(value)!=0) | |
| client_flag=0; | |
| } else | } else |
| services._throw("unknown connect option" /*key*/); | services._throw("unknown connect option" /*key*/); |
| } else | } else |
| Line 125 public: | Line 181 public: |
| } | } |
| } | } |
| if(!mysql_real_connect(mysql, | if(!mysql_real_connect( |
| host, user, pwd, db, port?port:MYSQL_PORT, unix_socket, 0)) | connection.handle, |
| services._throw(mysql_error(mysql)); | host, user, pwd, db, |
| port?port:MYSQL_PORT, | |
| if(charset) { | unix_socket, |
| // set charset | client_flag |
| char statement[MAX_STRING]="set CHARACTER SET "; // cp1251_koi8 | ) |
| ){ | |
| services._throw(mysql_error(connection.handle)); | |
| } | |
| if(charset){ | |
| char statement[MAX_STRING]="SET CHARACTER SET "; | |
| strncat(statement, charset, MAX_STRING); | strncat(statement, charset, MAX_STRING); |
| _exec(connection, statement); | |
| if(mysql_query(mysql, statement)) | |
| services._throw(mysql_error(mysql)); | |
| (*mysql_store_result)(mysql); // throw out the result [don't need but must call] | |
| } | } |
| *(MYSQL **)connection=mysql; | if(!connection.autocommit) |
| _exec(connection, "SET AUTOCOMMIT=0"); | |
| } | |
| void disconnect(void *aconnection) { | |
| Connection& connection=*static_cast<Connection*>(aconnection); | |
| mysql_close(connection.handle); | |
| connection.handle=0; | |
| } | } |
| void disconnect(void *connection) { | |
| mysql_close((MYSQL *)connection); | void commit(void *aconnection) { |
| Connection& connection=*static_cast<Connection*>(aconnection); | |
| if(!connection.autocommit) | |
| _exec(connection, "COMMIT"); | |
| } | |
| void rollback(void *aconnection) { | |
| Connection& connection=*static_cast<Connection*>(aconnection); | |
| if(!connection.autocommit) | |
| _exec(connection, "ROLLBACK"); | |
| } | } |
| void commit(SQL_Driver_services&, void *) {} | |
| void rollback(SQL_Driver_services&, void *) {} | |
| bool ping(SQL_Driver_services&, void *connection) { | bool ping(void *aconnection) { |
| return mysql_ping((MYSQL *)connection)==0; | Connection& connection=*static_cast<Connection*>(aconnection); |
| return mysql_ping(connection.handle)==0; | |
| } | } |
| unsigned int quote( | const char* quote(void *aconnection, const char *from, unsigned int length) { |
| SQL_Driver_services&, void *connection, | Connection& connection=*static_cast<Connection*>(aconnection); |
| char *to, const char *from, unsigned int length) { | |
| /* | /* |
| 3.23.22b | 3.23.22b |
| You must allocate the to buffer to be at least length*2+1 bytes long. | You must allocate the to buffer to be at least length*2+1 bytes long. |
| (In the worse case, each character may need to be encoded as using two bytes, | (In the worse case, each character may need to be encoded as using two bytes, |
| and you need room for the terminating null byte.) | and you need room for the terminating null byte.) |
| it's already UNTAINT_TIMES_BIGGER | |
| */ | */ |
| return (*mysql_escape_string)(to, from, length); | char *result=(char*)connection.services->malloc_atomic(length*2+1); |
| mysql_escape_string(result, from, length); | |
| return result; | |
| } | } |
| void query( | |
| SQL_Driver_services& services, void *connection, | |
| const char *astatement, unsigned long offset, unsigned long limit, | |
| SQL_Driver_query_event_handlers& handlers) { | |
| MYSQL *mysql=(MYSQL *)connection; | void query(void *aconnection, |
| const char *astatement, | |
| size_t placeholders_count, Placeholder* placeholders, | |
| unsigned long offset, unsigned long limit, | |
| SQL_Driver_query_event_handlers& handlers | |
| ){ | |
| Connection& connection=*static_cast<Connection*>(aconnection); | |
| SQL_Driver_services& services=*connection.services; | |
| MYSQL_RES *res=NULL; | MYSQL_RES *res=NULL; |
| if(placeholders_count>0) | |
| services._throw("bind variables not supported (yet)"); | |
| bool transcode_needed=_transcode_required(connection); | |
| // transcode query from $request:charset to ?ClientCharset | |
| if(transcode_needed){ | |
| size_t length=strlen(astatement); | |
| services.transcode(astatement, length, | |
| astatement, length, | |
| services.request_charset(), | |
| connection.client_charset); | |
| } | |
| const char *statement; | const char *statement; |
| if(offset || limit) { | if(offset || limit!=SQL_NO_LIMIT){ |
| size_t statement_size=strlen(astatement); | size_t statement_size=strlen(astatement); |
| char *statement_limited=(char *)services.malloc( | char *statement_limited=(char *)services.malloc_atomic( |
| statement_size+MAX_NUMBER*2+8/* limit #,#*/+1); | statement_size+MAX_NUMBER*2+8/* LIMIT #,#*/+1); |
| char *cur=statement_limited; | char *cur=statement_limited; |
| memcpy(cur, astatement, statement_size); cur+=statement_size; | memcpy(cur, astatement, statement_size); cur+=statement_size; |
| cur+=sprintf(cur, " limit "); | cur+=sprintf(cur, " LIMIT "); |
| if(offset) | if(offset) |
| cur+=snprintf(cur, MAX_NUMBER+1, "%u,", offset); | cur+=snprintf(cur, MAX_NUMBER+1, "%u,", offset); |
| if(limit) | if(limit!=SQL_NO_LIMIT) |
| cur+=snprintf(cur, MAX_NUMBER, "%u", limit); | cur+=snprintf(cur, MAX_NUMBER, "%u", limit); |
| statement=statement_limited; | statement=statement_limited; |
| } else | } else |
| statement=astatement; | statement=astatement; |
| if(mysql_query(mysql, statement)) | if(mysql_query(connection.handle, statement)) |
| services._throw(mysql_error(mysql)); | _throw(connection, mysql_error(connection.handle)); |
| if(!(res=mysql_store_result(mysql)) && mysql_field_count(mysql)) | if(!(res=mysql_store_result(connection.handle)) && mysql_field_count(connection.handle)) |
| services._throw(mysql_error(mysql)); | _throw(connection, mysql_error(connection.handle)); |
| if(!res) // empty result: insert|delete|update|... | if(!res) // empty result: insert|delete|update|... |
| return; | return; |
| int column_count=mysql_num_fields(res); | int column_count=mysql_num_fields(res); |
| if(!column_count) // old client | if(!column_count) // old client |
| column_count=mysql_field_count(mysql); | column_count=mysql_field_count(connection.handle); |
| if(!column_count) { | if(!column_count){ |
| mysql_free_result(res); | mysql_free_result(res); |
| services._throw("result contains no columns"); | services._throw("result contains no columns"); |
| } | } |
| bool failed=false; | |
| SQL_Error sql_error; | |
| #define CHECK(afailed) \ | |
| if(afailed) { \ | |
| failed=true; \ | |
| goto cleanup; \ | |
| } | |
| for(int i=0; i<column_count; i++){ | for(int i=0; i<column_count; i++){ |
| MYSQL_FIELD *field=mysql_fetch_field(res); | if(MYSQL_FIELD *field=mysql_fetch_field(res)){ |
| size_t size=strlen(field->name); | size_t length=strlen(field->name); |
| void *ptr=services.malloc(size); | char* strm=(char*)services.malloc_atomic(length+1); |
| memcpy(ptr, field->name, size); | memcpy(strm, field->name, length+1); |
| handlers.add_column(ptr, size); | const char* str=strm; |
| // transcode column name from ?ClientCharset to $request:charset | |
| if(transcode_needed){ | |
| services.transcode(str, length, | |
| str, length, | |
| connection.client_charset, | |
| services.request_charset()); | |
| } | |
| CHECK(handlers.add_column(sql_error, str, length)); | |
| } else { | |
| // seen some broken client, | |
| // which reported "44" for column count of response to "select 2+2" | |
| column_count=i; | |
| break; | |
| } | |
| } | } |
| handlers.before_rows(); | CHECK(handlers.before_rows(sql_error)); |
| while(MYSQL_ROW mysql_row=mysql_fetch_row(res)) { | while(MYSQL_ROW mysql_row=mysql_fetch_row(res)){ |
| handlers.add_row(); | CHECK(handlers.add_row(sql_error)); |
| unsigned long *lengths=mysql_fetch_lengths(res); | unsigned long *lengths=mysql_fetch_lengths(res); |
| for(int i=0; i<column_count; i++){ | for(int i=0; i<column_count; i++){ |
| size_t size=(size_t)lengths[i]; | size_t length=(size_t)lengths[i]; |
| void *ptr; | const char* str; |
| if(size) { | if(length){ |
| ptr=services.malloc(size); | char *strm=(char*)services.malloc_atomic(length+1); |
| memcpy(ptr, mysql_row[i], size); | memcpy(strm, mysql_row[i], length); |
| } else | strm[length]=0; |
| ptr=0; | str=strm; |
| handlers.add_row_cell(ptr, size); | |
| } | // transcode cell value from ?ClientCharset to $request:charset |
| } | if(transcode_needed) |
| services.transcode(str, length, | |
| str, length, | |
| connection.client_charset, | |
| services.request_charset()); | |
| } else | |
| str=0; | |
| CHECK(handlers.add_row_cell(sql_error, str, length)); | |
| } | |
| } | |
| cleanup: | |
| mysql_free_result(res); | mysql_free_result(res); |
| if(failed) | |
| services._throw(sql_error); | |
| } | |
| private: | |
| void _exec(Connection& connection, const char* statement) { | |
| if(mysql_query(connection.handle, statement)) | |
| _throw(connection, mysql_error(connection.handle)); | |
| (*mysql_store_result)(connection.handle); // throw out the result [don't need but must call] | |
| } | |
| void _throw(Connection& connection, const char* aerr_msg) { | |
| size_t length=strlen(aerr_msg); | |
| if(length && _transcode_required(connection)) { | |
| connection.services->transcode(aerr_msg, length, | |
| aerr_msg, length, | |
| connection.client_charset, | |
| connection.services->request_charset()); | |
| } | |
| connection.services->_throw(aerr_msg); | |
| } | |
| bool _transcode_required(Connection& connection){ | |
| return (connection.client_charset && strcmp(connection.client_charset, connection.services->request_charset())!=0); | |
| } | } |
| private: // mysql client library funcs | private: // mysql client library funcs |
| typedef MYSQL* (STDCALL *t_mysql_init)(MYSQL *); t_mysql_init mysql_init; | typedef MYSQL* (STDCALL *t_mysql_init)(MYSQL *); t_mysql_init mysql_init; |
| typedef int (STDCALL *t_mysql_options)(MYSQL *mysql, enum mysql_option option, const char *arg); t_mysql_options mysql_options; | typedef void (STDCALL *t_mysql_server_end)(); t_mysql_server_end mysql_server_end; |
| typedef int (STDCALL *t_mysql_options)(MYSQL *mysql, enum mysql_option option, const char *arg); t_mysql_options mysql_options; | |
| typedef MYSQL_RES* (STDCALL *t_mysql_store_result)(MYSQL *); t_mysql_store_result mysql_store_result; | typedef MYSQL_RES* (STDCALL *t_mysql_store_result)(MYSQL *); t_mysql_store_result mysql_store_result; |
| typedef int (STDCALL *t_mysql_query)(MYSQL *, const char *q); t_mysql_query mysql_query; | typedef int (STDCALL *t_mysql_query)(MYSQL *, const char *q); t_mysql_query mysql_query; |
| typedef char * (STDCALL *t_mysql_error)(MYSQL *); t_mysql_error mysql_error; | typedef char* (STDCALL *t_mysql_error)(MYSQL *); t_mysql_error mysql_error; |
| static char* STDCALL subst_mysql_error(MYSQL *mysql) { return (mysql)->net.last_error; } | static char* STDCALL subst_mysql_error(MYSQL *mysql) { return (mysql)->net.last_error; } |
| typedef MYSQL* (STDCALL *t_mysql_real_connect)(MYSQL *, const char *host, | typedef MYSQL* (STDCALL *t_mysql_real_connect)(MYSQL *, const char *host, |
| const char *user, | const char *user, |
| const char *passwd, | const char *passwd, |
| const char *db, | const char *db, |
| unsigned int port, | unsigned int port, |
| const char *unix_socket, | const char *unix_socket, |
| unsigned int clientflag); t_mysql_real_connect mysql_real_connect; | unsigned int clientflag); t_mysql_real_connect mysql_real_connect; |
| typedef void (STDCALL *t_mysql_close)(MYSQL *); t_mysql_close mysql_close; | typedef void (STDCALL *t_mysql_close)(MYSQL *); t_mysql_close mysql_close; |
| typedef int (STDCALL *t_mysql_ping)(MYSQL *); t_mysql_ping mysql_ping; | typedef int (STDCALL *t_mysql_ping)(MYSQL *); t_mysql_ping mysql_ping; |
| typedef unsigned long (STDCALL *t_mysql_escape_string)(char *to,const char *from, | typedef unsigned long (STDCALL *t_mysql_escape_string)(char *to,const char *from, |
| unsigned long from_length); t_mysql_escape_string mysql_escape_string; | unsigned long from_length); t_mysql_escape_string mysql_escape_string; |
| typedef void (STDCALL *t_mysql_free_result)(MYSQL_RES *result); t_mysql_free_result mysql_free_result; | typedef void (STDCALL *t_mysql_free_result)(MYSQL_RES *result); t_mysql_free_result mysql_free_result; |
| typedef unsigned long* (STDCALL *t_mysql_fetch_lengths)(MYSQL_RES *result); t_mysql_fetch_lengths mysql_fetch_lengths; | typedef unsigned long* (STDCALL *t_mysql_fetch_lengths)(MYSQL_RES *result); t_mysql_fetch_lengths mysql_fetch_lengths; |
| Line 268 private: // mysql client library funcs | Line 417 private: // mysql client library funcs |
| typedef MYSQL_FIELD* (STDCALL *t_mysql_fetch_field)(MYSQL_RES *result); t_mysql_fetch_field mysql_fetch_field; | typedef MYSQL_FIELD* (STDCALL *t_mysql_fetch_field)(MYSQL_RES *result); t_mysql_fetch_field mysql_fetch_field; |
| typedef unsigned int (STDCALL *t_mysql_num_fields)(MYSQL_RES *); t_mysql_num_fields mysql_num_fields; | typedef unsigned int (STDCALL *t_mysql_num_fields)(MYSQL_RES *); t_mysql_num_fields mysql_num_fields; |
| static unsigned int STDCALL subst_mysql_num_fields(MYSQL_RES *res) { return res->field_count; } | typedef unsigned int (STDCALL *t_mysql_field_count)(MYSQL *); t_mysql_field_count mysql_field_count; |
| typedef unsigned int (STDCALL *t_mysql_field_count)(MYSQL *); t_mysql_field_count mysql_field_count; | static unsigned int STDCALL subst_mysql_num_fields(MYSQL_RES *res) { return res->field_count; } |
| static unsigned int STDCALL subst_mysql_field_count(MYSQL *mysql) { return mysql->field_count; } | static unsigned int STDCALL subst_mysql_field_count(MYSQL *mysql) { return mysql->field_count; } |
| private: // mysql client library funcs linking | private: // mysql client library funcs linking |
| const char *dlink(const char *dlopen_file_spec) { | const char *dlink(const char *dlopen_file_spec) { |
| lt_dlhandle handle=lt_dlopen(dlopen_file_spec); | if(lt_dlinit()) |
| if (!handle) | return lt_dlerror(); |
| lt_dlhandle handle=lt_dlopen(dlopen_file_spec); | |
| if(!handle){ | |
| if(const char* result=lt_dlerror()) | |
| return result; | |
| return "can not open the dynamic link module"; | return "can not open the dynamic link module"; |
| } | |
| #define GLINK(name) \ | |
| name=(t_##name)lt_dlsym(handle, #name); | |
| #define DSLINK(name, action) \ | #define DSLINK(name, action) \ |
| name=(t_##name)lt_dlsym(handle, #name); \ | GLINK(name) \ |
| if(!name) \ | if(!name) \ |
| action; | action; |
| Line 290 private: // mysql client library funcs l | Line 449 private: // mysql client library funcs l |
| #define SLINK(name) DSLINK(name, name=subst_##name) | #define SLINK(name) DSLINK(name, name=subst_##name) |
| DLINK(mysql_init); | DLINK(mysql_init); |
| GLINK(mysql_server_end); | |
| DLINK(mysql_options); | DLINK(mysql_options); |
| DLINK(mysql_store_result); | DLINK(mysql_store_result); |
| DLINK(mysql_query); | DLINK(mysql_query); |
| Line 310 private: // mysql client library funcs l | Line 470 private: // mysql client library funcs l |
| }; | }; |
| extern "C" SQL_Driver *SQL_DRIVER_CREATE() { | extern "C" SQL_Driver *SQL_DRIVER_CREATE() { |
| return new MySQL_Driver(); | static MySQL_Driver Driver; |
| return &Driver; | |
| } | } |