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1.1 parser 1: /** @file
2: Parser MySQL driver.
3:
1.40 moko 4: Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
1.1 parser 5:
1.7 paf 6: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1 parser 7:
1.36 misha 8: 2001-07-30 using MySQL 3.23.22b
1.3 paf 9:
1.36 misha 10: 2001-11-06 numrows on "HP-UX istok1 B.11.00 A 9000/869 448594332 two-user license"
1.3 paf 11: 3.23.42 & 4.0.0.alfa never worked, both subst & .sl version returned 0
1.1 parser 12: */
13:
14: #include "config_includes.h"
15:
16: #include "pa_sql_driver.h"
17:
1.44 ! moko 18: volatile const char * IDENT_PARSER3MYSQL_C="$Id: parser3mysql.C,v 1.43 2012-06-15 09:09:33 moko Exp $" IDENT_PA_SQL_DRIVER_H;
1.40 moko 19:
1.1 parser 20: #define NO_CLIENT_LONG_LONG
21: #include "mysql.h"
22: #include "ltdl.h"
23:
24: #define MAX_STRING 0x400
25: #define MAX_NUMBER 20
26:
27: #if _MSC_VER
28: # define snprintf _snprintf
1.2 parser 29: # define strcasecmp _stricmp
1.1 parser 30: #endif
31:
1.35 misha 32: // for mysql < 4.1
1.36 misha 33: #if !defined(CLIENT_MULTI_RESULTS) || !defined(CLIENT_MULTI_STATEMENTS)
34: # define OLD_MYSQL_CLIENT 1
35: #endif
36:
1.35 misha 37: #ifndef CLIENT_MULTI_RESULTS
1.36 misha 38: # define CLIENT_MULTI_RESULTS (1UL << 17)
1.35 misha 39: #endif
1.36 misha 40:
1.35 misha 41: #ifndef CLIENT_MULTI_STATEMENTS
1.36 misha 42: # define CLIENT_MULTI_STATEMENTS (1UL << 16)
1.35 misha 43: #endif
44:
1.34 misha 45: static char *lsplit(char *string, char delim){
1.32 misha 46: if(string) {
1.34 misha 47: if(char *v=strchr(string, delim)){
1.1 parser 48: *v=0;
49: return v+1;
50: }
1.32 misha 51: }
52: return 0;
1.1 parser 53: }
54:
1.34 misha 55: static char *lsplit(char **string_ref, char delim){
1.32 misha 56: char *result=*string_ref;
1.2 parser 57: char *next=lsplit(*string_ref, delim);
1.32 misha 58: *string_ref=next;
59: return result;
1.2 parser 60: }
61:
1.34 misha 62: static char* rsplit(char* string, char delim){
63: if(string){
64: if(char* v=strrchr(string, delim)){
1.26 paf 65: *v=0;
66: return v+1;
67: }
1.32 misha 68: }
69: return NULL;
1.26 paf 70: }
71:
1.34 misha 72: static void toupper_str(char *out, const char *in, size_t size){
1.19 paf 73: while(size--)
74: *out++=(char)toupper(*in++);
75: }
76:
1.38 misha 77: inline static bool is_column_transcode_required(enum_field_types type) {
78: switch(type) {
79: case MYSQL_TYPE_NULL:
80:
81: case MYSQL_TYPE_DECIMAL:
82: case MYSQL_TYPE_NEWDECIMAL:
83: case MYSQL_TYPE_FLOAT:
84: case MYSQL_TYPE_DOUBLE:
85:
86: case MYSQL_TYPE_TINY:
87: case MYSQL_TYPE_SHORT:
88: case MYSQL_TYPE_LONG:
89: case MYSQL_TYPE_LONGLONG:
90: case MYSQL_TYPE_INT24:
91: case MYSQL_TYPE_BIT:
92:
93: case MYSQL_TYPE_DATE:
94: case MYSQL_TYPE_NEWDATE:
95: case MYSQL_TYPE_TIME:
96: case MYSQL_TYPE_DATETIME:
97: case MYSQL_TYPE_YEAR:
98: case MYSQL_TYPE_TIMESTAMP:
99:
100: case MYSQL_TYPE_BLOB:
101: case MYSQL_TYPE_TINY_BLOB:
102: case MYSQL_TYPE_MEDIUM_BLOB:
103: case MYSQL_TYPE_LONG_BLOB:
104: return false;
105: break;
106: }
107: return true;
108: }
109:
110: inline static const char* strdup(SQL_Driver_services& services, char* str, size_t length) {
111: char *strm=(char*)services.malloc_atomic(length+1);
112: memcpy(strm, str, length);
113: strm[length]=0;
114: return (const char*)strm;
115: }
116:
1.14 paf 117: struct Connection {
1.16 paf 118: SQL_Driver_services* services;
1.15 paf 119:
1.14 paf 120: MYSQL* handle;
1.33 misha 121: const char* client_charset;
1.14 paf 122: bool autocommit;
123: };
124:
1.29 misha 125:
1.1 parser 126: /**
127: MySQL server driver
128: */
129: class MySQL_Driver : public SQL_Driver {
130: public:
131:
1.29 misha 132: MySQL_Driver() : SQL_Driver() {}
133:
1.35 misha 134: #ifndef FREEBSD4
1.29 misha 135: ~MySQL_Driver() {
136: if(mysql_server_end)
137: mysql_server_end();
1.1 parser 138: }
1.35 misha 139: #endif
1.1 parser 140:
141: /// get api version
142: int api_version() { return SQL_DRIVER_API_VERSION; }
1.33 misha 143:
1.1 parser 144: /// initialize driver by loading sql dynamic link library
1.4 paf 145: const char *initialize(char *dlopen_file_spec) {
1.1 parser 146: return dlopen_file_spec?
147: dlink(dlopen_file_spec):"client library column is empty";
148: }
1.33 misha 149:
1.1 parser 150: /** connect
1.23 paf 151: @param url
1.2 parser 152: format: @b user:pass@host[:port]|[/unix/socket]/database?
1.33 misha 153: charset=value& // transcode by server with command 'SET CHARACTER SET value'
1.32 misha 154: ClientCharset=charset& // transcode by parser
1.2 parser 155: timeout=3&
1.32 misha 156: compress=0&
157: named_pipe=1&
1.33 misha 158: autocommit=1&
1.35 misha 159: multi_statements=0 // allows more then one statement in one query
160: old_client=1 // simulates 3.xx client. not compatible with multi_statements option
1.33 misha 161: 3.x, 4.0
162: only option for charset is cp1251_koi8.
163: 4.1+ accept not 'cp1251_koi8' but 'cp1251', 'utf8' and much more
164: it is usable for transcoding using sql server
1.1 parser 165: */
166: void connect(
1.33 misha 167: char *url,
168: SQL_Driver_services& services,
169: void **connection_ref ///< output: Connection*
170: ){
1.23 paf 171: char *user=url;
1.26 paf 172: char *s=rsplit(user, '@');
1.1 parser 173: char *host=0;
174: char *unix_socket=0;
175: if(s && s[0]=='[') { // unix socket
176: unix_socket=1+s;
177: s=lsplit(unix_socket, ']');
178: } else { // IP
179: host=s;
180: }
181: char *db=lsplit(s, '/');
182: char *pwd=lsplit(user, ':');
183: char *error_pos=0;
184: char *port_cstr=lsplit(host, ':');
185: int port=port_cstr?strtol(port_cstr, &error_pos, 0):0;
1.2 parser 186: char *options=lsplit(db, '?');
187:
1.33 misha 188: char *charset=0;
1.35 misha 189:
190: #ifdef OLD_MYSQL_CLIENT
191: int client_flag=0;
192: #else
1.34 misha 193: int client_flag=CLIENT_MULTI_RESULTS;
1.35 misha 194: #endif
1.1 parser 195:
1.33 misha 196: Connection& connection=*(Connection *)services.malloc(sizeof(Connection));
197: *connection_ref=&connection;
1.15 paf 198: connection.services=&services;
1.32 misha 199: connection.handle=mysql_init(NULL);
1.33 misha 200: connection.client_charset=0;
1.14 paf 201: connection.autocommit=true;
1.2 parser 202:
1.32 misha 203: while(options){
204: if(char *key=lsplit(&options, '&')){
205: if(*key){
206: if(char *value=lsplit(key, '=')){
1.33 misha 207: if(strcmp(key, "ClientCharset")==0){ // transcoding with parser
1.21 paf 208: toupper_str(value, value, strlen(value));
1.33 misha 209: connection.client_charset=value;
1.32 misha 210: } else if(strcasecmp(key, "charset")==0){ // transcoding with server
1.33 misha 211: charset=value;
1.32 misha 212: } else if(strcasecmp(key, "timeout")==0){
1.2 parser 213: unsigned int timeout=(unsigned int)atoi(value);
1.14 paf 214: if(mysql_options(connection.handle, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&timeout)!=0)
215: services._throw(mysql_error(connection.handle));
1.32 misha 216: } else if(strcasecmp(key, "compress")==0){
1.2 parser 217: if(atoi(value))
1.14 paf 218: if(mysql_options(connection.handle, MYSQL_OPT_COMPRESS, 0)!=0)
219: services._throw(mysql_error(connection.handle));
1.32 misha 220: } else if(strcasecmp(key, "named_pipe")==0){
1.2 parser 221: if(atoi(value))
1.33 misha 222: if(mysql_options(connection.handle, MYSQL_OPT_NAMED_PIPE, 0)!=0)
1.14 paf 223: services._throw(mysql_error(connection.handle));
1.39 misha 224: } else if(strcasecmp(key, "local_infile")==0){
225: if(atoi(value))
226: if(mysql_options(connection.handle, MYSQL_OPT_LOCAL_INFILE, 0)!=0)
227: services._throw(mysql_error(connection.handle));
1.32 misha 228: } else if(strcasecmp(key, "autocommit")==0){
1.31 misha 229: if(atoi(value)==0)
1.14 paf 230: connection.autocommit=false;
1.34 misha 231: } else if(strcasecmp(key, "multi_statements")==0){
1.35 misha 232: #ifdef OLD_MYSQL_CLIENT
233: services._throw("driver was built with old mysql includes so multi_statements option can't be used");
234: #else
1.34 misha 235: if(!(client_flag==CLIENT_MULTI_RESULTS || client_flag==CLIENT_MULTI_STATEMENTS))
236: services._throw("you can't specify together options old_client and multi_statements");
237: if(atoi(value)!=0)
238: client_flag=CLIENT_MULTI_STATEMENTS;
1.35 misha 239: #endif
1.34 misha 240: } else if(strcasecmp(key, "old_client")==0){
1.35 misha 241: #ifdef OLD_MYSQL_CLIENT
242: services._throw("driver was built with old mysql includes so old_client option can't be used");
243: #else
1.34 misha 244: if(!(client_flag==CLIENT_MULTI_RESULTS || client_flag==0))
245: services._throw("you can't specify together options old_client and multi_statements");
246: if(atoi(value)!=0)
247: client_flag=0;
1.35 misha 248: #endif
1.2 parser 249: } else
250: services._throw("unknown connect option" /*key*/);
251: } else
252: services._throw("connect option without =value" /*key*/);
253: }
254: }
255: }
256:
1.33 misha 257: if(!mysql_real_connect(
258: connection.handle,
259: host, user, pwd, db,
260: port?port:MYSQL_PORT,
261: unix_socket,
1.34 misha 262: client_flag
1.33 misha 263: )
264: ){
1.14 paf 265: services._throw(mysql_error(connection.handle));
1.33 misha 266: }
1.1 parser 267:
1.33 misha 268: if(charset){
1.41 moko 269: char statement[MAX_STRING+1]="SET CHARACTER SET ";
1.33 misha 270: strncat(statement, charset, MAX_STRING);
271: _exec(connection, statement);
1.1 parser 272: }
273:
1.14 paf 274: if(!connection.autocommit)
1.33 misha 275: _exec(connection, "SET AUTOCOMMIT=0");
1.1 parser 276: }
1.14 paf 277:
278: void disconnect(void *aconnection) {
279: Connection& connection=*static_cast<Connection*>(aconnection);
280: mysql_close(connection.handle);
1.17 paf 281: connection.handle=0;
1.1 parser 282: }
1.32 misha 283:
1.15 paf 284: void commit(void *aconnection) {
1.14 paf 285: Connection& connection=*static_cast<Connection*>(aconnection);
286: if(!connection.autocommit)
1.33 misha 287: _exec(connection, "COMMIT");
1.14 paf 288: }
1.32 misha 289:
1.15 paf 290: void rollback(void *aconnection) {
1.14 paf 291: Connection& connection=*static_cast<Connection*>(aconnection);
292: if(!connection.autocommit)
1.33 misha 293: _exec(connection, "ROLLBACK");
1.14 paf 294: }
295:
1.15 paf 296: bool ping(void *aconnection) {
1.14 paf 297: Connection& connection=*static_cast<Connection*>(aconnection);
298: return mysql_ping(connection.handle)==0;
1.1 parser 299: }
300:
1.37 moko 301: // charset here is services.request_charset(), not connection.client_charset
302: // thus we can't use the sql server quoting support
303: const char* quote(void *aconnection, const char *str, unsigned int length) {
304: const char* from;
305: const char* from_end=str+length;
306:
307: size_t quoted=0;
308:
309: for(from=str; from<from_end; from++){
310: switch (*from) {
311: case 0:
312: case '\n':
313: case '\r':
314: case '\032':
315: case '\\':
316: case '\'':
317: case '"':
318: quoted++;
319: }
320: }
321:
322: if(!quoted)
323: return str;
324:
1.15 paf 325: Connection& connection=*static_cast<Connection*>(aconnection);
1.37 moko 326: char *result=(char*)connection.services->malloc_atomic(length + quoted + 1);
327: char *to = result;
328:
329: for(from=str; from<from_end; from++){
330: char escape;
331: switch (*from) {
332: case 0:
333: escape= '0';
334: break;
335: case '\n':
336: escape= 'n';
337: break;
338: case '\r':
339: escape= 'r';
340: break;
341: case '\032':
342: escape= 'Z';
343: break;
344: case '\\':
345: case '\'':
346: case '"':
347: escape= *from;
348: break;
349: default:
350: *to++=*from;
351: continue;
352: }
353: *to++= '\\';
354: *to++= escape;
355: }
356:
357: *to=0;
1.13 paf 358: return result;
1.1 parser 359: }
1.33 misha 360:
1.24 paf 361: void query(void *aconnection,
1.33 misha 362: const char *astatement,
363: size_t placeholders_count, Placeholder* placeholders,
364: unsigned long offset, unsigned long limit,
365: SQL_Driver_query_event_handlers& handlers
366: ){
1.14 paf 367: Connection& connection=*static_cast<Connection*>(aconnection);
1.15 paf 368: SQL_Driver_services& services=*connection.services;
1.1 parser 369: MYSQL_RES *res=NULL;
1.24 paf 370:
371: if(placeholders_count>0)
372: services._throw("bind variables not supported (yet)");
1.1 parser 373:
1.33 misha 374: bool transcode_needed=_transcode_required(connection);
375:
1.38 misha 376: size_t statement_size=0;
377:
378: if(transcode_needed) {
379: statement_size=strlen(astatement);
380: // transcode query from $request:charset to ?ClientCharset
381: services.transcode(astatement, statement_size,
382: astatement, statement_size,
1.19 paf 383: services.request_charset(),
1.33 misha 384: connection.client_charset);
1.19 paf 385: }
386:
1.1 parser 387: const char *statement;
1.38 misha 388: if(offset || limit!=SQL_NO_LIMIT) {
389: if(!statement_size)
390: statement_size=strlen(astatement);
1.13 paf 391: char *statement_limited=(char *)services.malloc_atomic(
1.33 misha 392: statement_size+MAX_NUMBER*2+8/* LIMIT #,#*/+1);
1.1 parser 393: char *cur=statement_limited;
394: memcpy(cur, astatement, statement_size); cur+=statement_size;
1.33 misha 395: cur+=sprintf(cur, " LIMIT ");
1.1 parser 396: if(offset)
1.42 moko 397: cur+=snprintf(cur, MAX_NUMBER, "%lu,", offset);
1.33 misha 398: if(limit!=SQL_NO_LIMIT)
1.41 moko 399: cur+=snprintf(cur, MAX_NUMBER, "%lu", limit);
1.1 parser 400: statement=statement_limited;
401: } else
402: statement=astatement;
403:
1.14 paf 404: if(mysql_query(connection.handle, statement))
1.33 misha 405: _throw(connection, mysql_error(connection.handle));
1.38 misha 406: if(!(res=mysql_store_result(connection.handle)) && mysql_field_count(connection.handle))
1.33 misha 407: _throw(connection, mysql_error(connection.handle));
1.1 parser 408: if(!res) // empty result: insert|delete|update|...
409: return;
1.38 misha 410:
411: size_t column_count=mysql_num_fields(res);
1.1 parser 412: if(!column_count) // old client
1.14 paf 413: column_count=mysql_field_count(connection.handle);
1.1 parser 414:
1.33 misha 415: if(!column_count){
1.1 parser 416: mysql_free_result(res);
417: services._throw("result contains no columns");
418: }
1.38 misha 419:
1.9 paf 420: bool failed=false;
421: SQL_Error sql_error;
1.38 misha 422:
423: #define CHECK(afailed) \
424: if(afailed) { \
425: failed=true; \
1.9 paf 426: goto cleanup; \
427: }
428:
1.44 ! moko 429: #define DO_FETCH_FIELDS(transcode_column_name) { \
! 430: for(size_t i=0; i<column_count; i++) { \
! 431: if(MYSQL_FIELD *field = mysql_fetch_field(res)){ \
! 432: size_t length=field->name_length; \
! 433: const char* str=strdup(services, field->name, length); \
! 434: transcode_column_name \
! 435: CHECK(handlers.add_column(sql_error, str, length)); \
! 436: } else { \
! 437: /* seen broken client, that reported "44" column count for "select 2+2" */ \
! 438: column_count=i; \
! 439: break; \
! 440: } \
! 441: } \
! 442: }
! 443:
! 444: #define DO_FETCH_ROWS(transcode_cell_value) { \
! 445: while(MYSQL_ROW mysql_row=mysql_fetch_row(res)) { \
! 446: CHECK(handlers.add_row(sql_error)); \
! 447: unsigned long *lengths=mysql_fetch_lengths(res); \
! 448: for(size_t i=0; i<column_count; i++) { \
! 449: const char* str=0; \
! 450: size_t length=lengths[i]; \
! 451: if(length) { \
! 452: str=strdup(services, mysql_row[i], length); \
! 453: transcode_cell_value \
! 454: } \
! 455: CHECK(handlers.add_row_cell(sql_error, str, length)); \
! 456: } \
! 457: } \
1.38 misha 458: }
459:
460: bool* transcode_column=0;
461: if(transcode_needed) {
462: transcode_column = new bool[column_count];
463: DO_FETCH_FIELDS(
1.44 ! moko 464: transcode_column[i] = is_column_transcode_required(field->type);
1.38 misha 465: // transcode column's name from ?ClientCharset to $request:charset
466: services.transcode(str, length,
467: str, length,
468: connection.client_charset,
469: services.request_charset());
470: )
471: CHECK(handlers.before_rows(sql_error));
472: DO_FETCH_ROWS(
473: if(transcode_column[i])
474: // transcode cell's value from ?ClientCharset to $request:charset
1.19 paf 475: services.transcode(str, length,
476: str, length,
1.33 misha 477: connection.client_charset,
1.19 paf 478: services.request_charset());
1.38 misha 479: )
480: } else {
481: // without transcoding
482: DO_FETCH_FIELDS()
483: CHECK(handlers.before_rows(sql_error));
484: DO_FETCH_ROWS()
1.32 misha 485: }
1.9 paf 486: cleanup:
1.38 misha 487: if(transcode_column)
488: delete transcode_column;
1.1 parser 489: mysql_free_result(res);
1.9 paf 490: if(failed)
491: services._throw(sql_error);
1.1 parser 492: }
493:
1.33 misha 494: private:
495: void _exec(Connection& connection, const char* statement) {
496: if(mysql_query(connection.handle, statement))
497: _throw(connection, mysql_error(connection.handle));
498: (*mysql_store_result)(connection.handle); // throw out the result [don't need but must call]
499: }
500:
501: void _throw(Connection& connection, const char* aerr_msg) {
502: size_t length=strlen(aerr_msg);
503: if(length && _transcode_required(connection)) {
504: connection.services->transcode(aerr_msg, length,
505: aerr_msg, length,
506: connection.client_charset,
507: connection.services->request_charset());
508: }
509: connection.services->_throw(aerr_msg);
510: }
511:
512: bool _transcode_required(Connection& connection){
513: return (connection.client_charset && strcmp(connection.client_charset, connection.services->request_charset())!=0);
514: }
515:
1.1 parser 516: private: // mysql client library funcs
517:
1.33 misha 518: typedef MYSQL* (STDCALL *t_mysql_init)(MYSQL *); t_mysql_init mysql_init;
1.1 parser 519:
1.33 misha 520: typedef void (STDCALL *t_mysql_server_end)(); t_mysql_server_end mysql_server_end;
1.29 misha 521:
1.33 misha 522: typedef int (STDCALL *t_mysql_options)(MYSQL *mysql, enum mysql_option option, const char *arg); t_mysql_options mysql_options;
1.2 parser 523:
1.1 parser 524: typedef MYSQL_RES* (STDCALL *t_mysql_store_result)(MYSQL *); t_mysql_store_result mysql_store_result;
525:
526: typedef int (STDCALL *t_mysql_query)(MYSQL *, const char *q); t_mysql_query mysql_query;
527:
1.33 misha 528: typedef char* (STDCALL *t_mysql_error)(MYSQL *); t_mysql_error mysql_error;
1.1 parser 529: static char* STDCALL subst_mysql_error(MYSQL *mysql) { return (mysql)->net.last_error; }
530:
1.33 misha 531: typedef MYSQL* (STDCALL *t_mysql_real_connect)(MYSQL *, const char *host,
532: const char *user,
533: const char *passwd,
534: const char *db,
535: unsigned int port,
536: const char *unix_socket,
537: unsigned int clientflag); t_mysql_real_connect mysql_real_connect;
1.1 parser 538:
1.33 misha 539: typedef void (STDCALL *t_mysql_close)(MYSQL *); t_mysql_close mysql_close;
1.1 parser 540:
541: typedef int (STDCALL *t_mysql_ping)(MYSQL *); t_mysql_ping mysql_ping;
542:
543: typedef unsigned long (STDCALL *t_mysql_escape_string)(char *to,const char *from,
1.33 misha 544: unsigned long from_length); t_mysql_escape_string mysql_escape_string;
1.1 parser 545:
1.33 misha 546: typedef void (STDCALL *t_mysql_free_result)(MYSQL_RES *result); t_mysql_free_result mysql_free_result;
1.1 parser 547:
548: typedef unsigned long* (STDCALL *t_mysql_fetch_lengths)(MYSQL_RES *result); t_mysql_fetch_lengths mysql_fetch_lengths;
549:
550: typedef MYSQL_ROW (STDCALL *t_mysql_fetch_row)(MYSQL_RES *result); t_mysql_fetch_row mysql_fetch_row;
551:
1.44 ! moko 552: typedef MYSQL_FIELD* (STDCALL *t_mysql_fetch_field)(MYSQL_RES *result); t_mysql_fetch_field mysql_fetch_field;
1.1 parser 553:
1.33 misha 554: typedef unsigned int (STDCALL *t_mysql_num_fields)(MYSQL_RES *); t_mysql_num_fields mysql_num_fields;
555: typedef unsigned int (STDCALL *t_mysql_field_count)(MYSQL *); t_mysql_field_count mysql_field_count;
1.1 parser 556:
1.33 misha 557: static unsigned int STDCALL subst_mysql_num_fields(MYSQL_RES *res) { return res->field_count; }
558: static unsigned int STDCALL subst_mysql_field_count(MYSQL *mysql) { return mysql->field_count; }
1.1 parser 559:
560: private: // mysql client library funcs linking
561:
562: const char *dlink(const char *dlopen_file_spec) {
1.43 moko 563: if(lt_dlinit()){
564: if(const char* result=lt_dlerror())
565: return result;
566: return "can not prepare to dynamic loading";
567: }
1.25 paf 568:
1.33 misha 569: lt_dlhandle handle=lt_dlopen(dlopen_file_spec);
570:
571: if(!handle){
572: if(const char* result=lt_dlerror())
573: return result;
1.1 parser 574: return "can not open the dynamic link module";
1.25 paf 575: }
1.1 parser 576:
1.29 misha 577: #define GLINK(name) \
578: name=(t_##name)lt_dlsym(handle, #name);
579:
1.1 parser 580: #define DSLINK(name, action) \
1.29 misha 581: GLINK(name) \
1.1 parser 582: if(!name) \
583: action;
584:
585: #define DLINK(name) DSLINK(name, return "function " #name " was not found")
586: #define SLINK(name) DSLINK(name, name=subst_##name)
587:
588: DLINK(mysql_init);
1.29 misha 589: GLINK(mysql_server_end);
1.2 parser 590: DLINK(mysql_options);
1.1 parser 591: DLINK(mysql_store_result);
592: DLINK(mysql_query);
593: SLINK(mysql_error);
594: DLINK(mysql_real_connect);
595: DLINK(mysql_close);
596: DLINK(mysql_ping);
597: DLINK(mysql_escape_string);
598: DLINK(mysql_free_result);
599: DLINK(mysql_fetch_lengths);
600: DLINK(mysql_fetch_row);
1.44 ! moko 601: DLINK(mysql_fetch_field);
1.1 parser 602: SLINK(mysql_num_fields);
603: SLINK(mysql_field_count);
604: return 0;
605: }
606:
607: };
608:
609: extern "C" SQL_Driver *SQL_DRIVER_CREATE() {
1.29 misha 610: static MySQL_Driver Driver;
611: return &Driver;
1.1 parser 612: }