|
|
| version 1.5, 2002/02/08 07:28:25 | version 1.26, 2007/01/26 10:10:32 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser PgSQL driver. | Parser PgSQL driver. |
| Copyright(c) 2001, 2002 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 PgSQL 7.1.2 | 2001.07.30 using PgSQL 7.1.2 |
| */ | */ |
| Line 22 static const char *RCSId="$Id$"; | Line 22 static const char *RCSId="$Id$"; |
| // actually writing chunks of that size failed, reduced it twice | // actually writing chunks of that size failed, reduced it twice |
| #define LO_BUFSIZE 0x1000 | #define LO_BUFSIZE 0x1000 |
| // from postgres_ext.h | // from postgres_ext.h |
| #define InvalidOid ((Oid) 0) | //#define InvalidOid ((Oid) 0) |
| #include "ltdl.h" | #include "ltdl.h" |
| Line 51 static char *lsplit(char *string, char d | Line 51 static char *lsplit(char *string, char d |
| return 0; | return 0; |
| } | } |
| static char *lsplit(char **string_ref, char delim) { | |
| char *result=*string_ref; | |
| char *next=lsplit(*string_ref, delim); | |
| *string_ref=next; | |
| return result; | |
| } | |
| static char* rsplit(char* string, char delim) { | |
| if(string) { | |
| char* v=strrchr(string, delim); | |
| if(v) { | |
| *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; | |
| PGconn *conn; | |
| const char* cstrClientCharset; | |
| }; | |
| /** | /** |
| PgSQL server driver | PgSQL server driver |
| */ | */ |
| Line 68 public: | Line 98 public: |
| dlink(dlopen_file_spec):"client library column is empty"; | dlink(dlopen_file_spec):"client library column is empty"; |
| } | } |
| #define throwPQerror services._throw(PQerrorMessage(conn)) | #define throwPQerror connection.services->_throw(PQerrorMessage(connection.conn)) |
| #define PQclear_throw(msg) { \ | |
| PQclear(res); \ | |
| connection.services->_throw(msg); \ | |
| } | |
| #define PQclear_throwPQerror PQclear_throw(PQerrorMessage(connection.conn)) | |
| /** connect | /** connect |
| @param used_only_in_connect_url | @param url |
| format: @b user:pass@host[:port]|[local]/database | format: @b user:pass@host[:port]|[local]/database |
| */ | */ |
| void connect( | void connect( |
| char *used_only_in_connect_url, | char *url, |
| SQL_Driver_services& services, | SQL_Driver_services& services, |
| void **connection ///< output: PGconn * | void **connection_ref ///< output: Connection* |
| ) { | ) { |
| char *user=used_only_in_connect_url; | char *user=url; |
| char *host=lsplit(user, '@'); | char *host=rsplit(user, '@'); |
| char *db=lsplit(host, '/'); | char *db=lsplit(host, '/'); |
| char *pwd=lsplit(user, ':'); | char *pwd=lsplit(user, ':'); |
| char *port=lsplit(host, ':'); | char *port=lsplit(host, ':'); |
| PGconn *conn=PQsetdbLogin( | char *options=lsplit(db, '?'); |
| strcasecmp(host, "local")==0?NULL/* local Unix domain socket */:host, port, | |
| char *cstrBackwardCompAskServerToTranscode=0; | |
| Connection& connection=*(Connection *)services.malloc(sizeof(Connection)); | |
| *connection_ref=&connection; | |
| connection.services=&services; | |
| connection.cstrClientCharset=0; | |
| connection.conn=PQsetdbLogin( | |
| (host&&strcasecmp(host, "local")==0)?NULL/* local Unix domain socket */:host, port, | |
| NULL, NULL, db, user, pwd); | NULL, NULL, db, user, pwd); |
| if(!conn) | if(!connection.conn) |
| services._throw("PQsetdbLogin failed"); | services._throw("PQsetdbLogin failed"); |
| if(PQstatus(conn)!=CONNECTION_OK) | if(PQstatus(connection.conn)!=CONNECTION_OK) |
| throwPQerror; | throwPQerror; |
| *(PGconn **)connection=conn; | char *charset=0; |
| begin_transaction(services, conn); | char *datestyle=0; |
| isDefaultTransaction = true; | |
| while(options) { | |
| if(char *key=lsplit(&options, '&')) { | |
| if(*key) { | |
| if(char *value=lsplit(key, '=')) { | |
| if(strcmp(key, "ClientCharset" ) == 0) { | |
| toupper_str(value, value, strlen(value)); | |
| connection.cstrClientCharset=value; | |
| } else if(strcasecmp(key, "charset")==0) { // left for backward compatibility, consider using ClientCharset | |
| cstrBackwardCompAskServerToTranscode=value; | |
| } else if(strcasecmp(key, "datestyle")==0) { | |
| datestyle=value; | |
| } else if(strcmp(key, "WithoutDefaultTransaction")==0) { | |
| if(strcmp(value, "1" ) == 0) { | |
| isDefaultTransaction = false; | |
| } else if(strcmp(value, "0" ) == 0) { | |
| isDefaultTransaction = true; | |
| } else { | |
| services._throw("Bad WithoutDefaultTransaction option value. Only 0 or 1 are accepted." /*value*/); | |
| } | |
| } else | |
| services._throw("unknown connect option" /*key*/); | |
| } else | |
| services._throw("connect option without =value" /*key*/); | |
| } | |
| } | |
| } | |
| if(connection.cstrClientCharset && cstrBackwardCompAskServerToTranscode) | |
| services._throw("use 'ClientCharset' option only, " | |
| "'charset' option is obsolete and should not be used with new 'ClientCharset' option"); | |
| if(cstrBackwardCompAskServerToTranscode) { | |
| // set CLIENT_ENCODING | |
| char statement[MAX_STRING]="set CLIENT_ENCODING="; // win | |
| strncat(statement, cstrBackwardCompAskServerToTranscode, MAX_STRING); | |
| execute_resultless(connection, statement); | |
| } | |
| if(datestyle) { | |
| // set DATESTYLE | |
| char statement[MAX_STRING]="set DATESTYLE="; // ISO,SQL,Postgres,European,NonEuropean=US,German,DEFAULT=ISO | |
| strncat(statement, charset, MAX_STRING); | |
| execute_resultless(connection, statement); | |
| } | |
| begin_transaction(connection); | |
| } | } |
| void disconnect(void *connection) { | void disconnect(void *aconnection) { |
| PQfinish((PGconn *)connection); | Connection& connection=*static_cast<Connection*>(aconnection); |
| PQfinish(connection.conn); | |
| connection.conn=0; | |
| } | } |
| void commit(SQL_Driver_services& services, void *connection) { | void commit(void *aconnection) { |
| PGconn *conn=(PGconn *)connection; | execute_transaction_cmd(aconnection, "COMMIT"); |
| if(PGresult *res=PQexec(conn, "COMMIT")) | |
| PQclear(res); | |
| else | |
| throwPQerror; | |
| begin_transaction(services, conn); | |
| } | } |
| void rollback(SQL_Driver_services& services, void *connection) { | void rollback(void *aconnection) { |
| PGconn *conn=(PGconn *)connection; | execute_transaction_cmd(aconnection, "ROLLBACK"); |
| if(PGresult *res=PQexec(conn, "ROLLBACK")) | |
| PQclear(res); | |
| else | |
| throwPQerror; | |
| begin_transaction(services, conn); | |
| } | } |
| bool ping(SQL_Driver_services&, void *connection) { | bool ping(void *aconnection) { |
| return PQstatus((PGconn *)connection)==CONNECTION_OK; | Connection& connection=*static_cast<Connection*>(aconnection); |
| return PQstatus(connection.conn)==CONNECTION_OK; | |
| } | } |
| unsigned int quote( | const char* quote( |
| SQL_Driver_services&, void *connection, | void *aconnection, |
| char *to, const char *from, unsigned int length) { | const char *from, unsigned int length) { |
| if(to) { // store mode | Connection& connection=*static_cast<Connection*>(aconnection); |
| unsigned int result=length; | |
| while(length--) { | char *result=(char*)connection.services->malloc_atomic(length*2+1); |
| switch(*from) { | int err = 0; |
| case '\'': // "'" -> "''" | PQescapeStringConn (connection.conn, |
| *to++='\''; result++; | result, from, length, |
| break; | &err); |
| case '\\': // "\" -> "\\" | return result; |
| *to++='\''; result++; | } |
| break; | |
| } | void query(void *aconnection, |
| *to++=*from++; | const char *astatement, |
| } | size_t placeholders_count, Placeholder* placeholders, |
| return result; | unsigned long offset, unsigned long limit, |
| } else // estimate mode | |
| return length*2; | |
| } | |
| void query( | |
| SQL_Driver_services& services, void *connection, | |
| const char *astatement, unsigned long offset, unsigned long limit, | |
| SQL_Driver_query_event_handlers& handlers) { | SQL_Driver_query_event_handlers& handlers) { |
| // _asm int 3; | // _asm int 3; |
| Connection& connection=*static_cast<Connection*>(aconnection); | |
| const char* cstrClientCharset=connection.cstrClientCharset; | |
| SQL_Driver_services& services=*connection.services; | |
| PGconn *conn=connection.conn; | |
| const char** paramValues; | |
| if(placeholders_count>0){ | |
| //services._throw("bind variables not supported (yet)"); | |
| int binds_size=sizeof(char) * placeholders_count; | |
| paramValues = static_cast<const char**>(services.malloc_atomic(binds_size)); | |
| for(size_t i=0; i<placeholders_count; ++i) { | |
| Placeholder& ph=placeholders[i]; | |
| size_t value_length; | |
| if(cstrClientCharset) { | |
| size_t name_length; | |
| services.transcode(ph.name, strlen(ph.name), | |
| ph.name, name_length, | |
| services.request_charset(), | |
| cstrClientCharset); | |
| if(ph.value){ | |
| services.transcode(ph.value, strlen(ph.value), | |
| ph.value, value_length, | |
| services.request_charset(), | |
| cstrClientCharset); | |
| } | |
| } else { | |
| value_length=ph.value? strlen(ph.value): 0; | |
| } | |
| if( atoi(ph.name) <= 0 || atoi(ph.name) > placeholders_count) { | |
| services._throw("bad bind parameter key"); | |
| } | |
| paramValues[atoi(ph.name)-1] = ph.value; | |
| } | |
| } | |
| PGconn *conn=(PGconn *)connection; | // transcode from $request:charset to connect-string?client_charset |
| #define PQclear_throw(msg) { \ | if(cstrClientCharset) { |
| PQclear(res); \ | size_t transcoded_statement_size; |
| services._throw(msg); \ | services.transcode(astatement, strlen(astatement), |
| } | astatement, transcoded_statement_size, |
| #define PQclear_throwPQerror PQclear_throw(PQerrorMessage(conn)) | services.request_charset(), |
| cstrClientCharset); | |
| } | |
| const char *statement=preprocess_statement(services, conn, | const char *statement=preprocess_statement(connection, |
| astatement, offset, limit); | astatement, offset, limit); |
| PGresult *res=PQexec(conn, statement); | PGresult *res; |
| if(placeholders_count>0){ | |
| res=PQexecParams(conn, statement, placeholders_count, NULL, paramValues, NULL, NULL, 0); | |
| } else { | |
| res=PQexec(conn, statement); | |
| } | |
| if(!res) | if(!res) |
| throwPQerror; | throwPQerror; |
| Line 179 public: | Line 303 public: |
| if(!column_count) | if(!column_count) |
| PQclear_throw("result contains no columns"); | PQclear_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++){ |
| char *name=PQfname(res, i); | char *name=PQfname(res, i); |
| size_t size=strlen(name); | size_t length=strlen(name); |
| void *ptr=services.malloc(size); | char* strm=(char*)services.malloc(length+1); |
| memcpy(ptr, name, size); | memcpy(strm, name, length+1); |
| handlers.add_column(ptr, size); | const char* str=strm; |
| // transcode to $request:charset from connect-string?client_charset | |
| if(cstrClientCharset) | |
| services.transcode(str, length, | |
| str, length, | |
| cstrClientCharset, | |
| services.request_charset()); | |
| CHECK(handlers.add_column(sql_error, str, length)); | |
| } | } |
| handlers.before_rows(); | CHECK(handlers.before_rows(sql_error)); |
| if(unsigned long row_count=(unsigned long)PQntuples(res)) | if(unsigned long row_count=(unsigned long)PQntuples(res)) |
| for(unsigned long r=0; r<row_count; r++) { | for(unsigned long r=0; r<row_count; r++) { |
| handlers.add_row(); | CHECK(handlers.add_row(sql_error)); |
| for(int i=0; i<column_count; i++){ | for(int i=0; i<column_count; i++){ |
| const char *cell=PQgetvalue(res, r, i); | const char *cell=PQgetvalue(res, r, i); |
| size_t size; | size_t length; |
| void *ptr; | const char* str; |
| if(PQftype(res, i)==OIDOID) { | if(PQftype(res, i)==OIDOID) { |
| // ObjectID column, read object bytes | // ObjectID column, read object bytes |
| Line 206 public: | Line 347 public: |
| // seek to end | // seek to end |
| if(lo_lseek(conn, fd, 0, SEEK_END)<0) | if(lo_lseek(conn, fd, 0, SEEK_END)<0) |
| PQclear_throwPQerror; | PQclear_throwPQerror; |
| // get size | // get length |
| int size_tell=lo_tell(conn, fd); | int size_tell=lo_tell(conn, fd); |
| if(size_tell<0) | if(size_tell<0) |
| PQclear_throwPQerror; | PQclear_throwPQerror; |
| // seek to begin | // seek to begin |
| if(lo_lseek(conn, fd, 0, SEEK_SET)<0) | if(lo_lseek(conn, fd, 0, SEEK_SET)<0) |
| PQclear_throwPQerror; | PQclear_throwPQerror; |
| size=(size_t)size_tell; | length=(size_t)size_tell; |
| if(size) { | if(length) { |
| // read | // read |
| ptr=services.malloc(size); | char* strm=(char*)services.malloc(length+1); |
| if(!lo_read_ex(conn, fd, (const char *)ptr, size_tell)) | if(!lo_read_ex(conn, fd, strm, size_tell)) |
| PQclear_throw("lo_read can not read all bytes of object"); | PQclear_throw("lo_read can not read all bytes of object"); |
| strm[length]=0; | |
| str=strm; | |
| } else | } else |
| ptr=0; | str=0; |
| if(lo_close(conn, fd)<0) | if(lo_close(conn, fd)<0) |
| PQclear_throwPQerror; | PQclear_throwPQerror; |
| } else | } else |
| PQclear_throwPQerror; | PQclear_throwPQerror; |
| } else { | } else { |
| // normal column, read it normally | // normal column, read it normally |
| size=(size_t)PQgetlength(res, r, i); | length=(size_t)PQgetlength(res, r, i); |
| if(size) { | if(length) { |
| ptr=services.malloc(size); | char* strm=(char*)services.malloc(length+1); |
| memcpy(ptr, cell, size); | memcpy(strm, cell, length+1); |
| str=strm; | |
| } else | } else |
| ptr=0; | str=0; |
| } | |
| if(str && length) { | |
| // transcode to $request:charset from connect-string?client_charset | |
| if(cstrClientCharset) | |
| services.transcode(str, length, | |
| str, length, | |
| cstrClientCharset, | |
| services.request_charset()); | |
| } | } |
| handlers.add_row_cell(ptr, size); | |
| CHECK(handlers.add_row_cell(sql_error, str, length)); | |
| } | } |
| } | } |
| cleanup: | |
| PQclear(res); | PQclear(res); |
| if(failed) | |
| services._throw(sql_error); | |
| } | } |
| private: // private funcs | private: // private funcs |
| void begin_transaction(SQL_Driver_services& services, PGconn *conn) { | void execute_transaction_cmd(void *aconnection, const char *query) { |
| if(PGresult *res=PQexec(conn, "BEGIN")) | if(isDefaultTransaction) |
| PQclear(res); | { |
| Connection& connection=*static_cast<Connection*>(aconnection); | |
| execute_resultless(connection, query); | |
| begin_transaction(connection); | |
| } | |
| } | |
| /** | |
| Executes a query and throws the result. | |
| */ | |
| void execute_resultless(const Connection& connection, const char *query) { | |
| if(PGresult *res=PQexec(connection.conn, query)) | |
| PQclear(res); // throw out the result [don't need but must call] | |
| else | else |
| throwPQerror; | throwPQerror; |
| } | } |
| const char *preprocess_statement(SQL_Driver_services& services, PGconn *conn, | void begin_transaction(Connection& connection) { |
| if(isDefaultTransaction) | |
| { | |
| execute_resultless(connection, "BEGIN"); | |
| } | |
| } | |
| const char *preprocess_statement(Connection& connection, | |
| const char *astatement, unsigned long offset, unsigned long limit) { | const char *astatement, unsigned long offset, unsigned long limit) { |
| PGconn *conn=connection.conn; | |
| size_t statement_size=strlen(astatement); | size_t statement_size=strlen(astatement); |
| char *result=(char *)services.malloc(statement_size | char *result=(char *)connection.services->malloc(statement_size |
| +MAX_NUMBER*2+15 // limit # offset # | +MAX_NUMBER*2+15 // limit # offset # |
| +MAX_STRING // in case of short 'strings' | +MAX_STRING // in case of short 'strings' |
| +1); | +1); |
| Line 278 private: // private funcs | Line 455 private: // private funcs |
| o[0]=='/' && | o[0]=='/' && |
| o[1]=='*' && | o[1]=='*' && |
| o[2]=='*') { // name start | o[2]=='*') { // name start |
| const char* saved_o=o; | |
| o+=3; | o+=3; |
| while(*o) | while(*o) |
| if( | if( |
| Line 285 private: // private funcs | Line 463 private: // private funcs |
| o[1]=='*' && | o[1]=='*' && |
| o[2]=='/' && | o[2]=='/' && |
| o[3]=='\'') { // name end | o[3]=='\'') { // name end |
| saved_o=0; // found, marking that | |
| o+=4; | o+=4; |
| Oid oid=lo_creat(conn, INV_READ|INV_WRITE); | Oid oid=lo_creat(conn, INV_READ|INV_WRITE); |
| if(oid==InvalidOid) | if(oid==InvalidOid) |
| Line 298 private: // private funcs | Line 477 private: // private funcs |
| if(escaped) { | if(escaped) { |
| // write pending, skip "\" or "'" | // write pending, skip "\" or "'" |
| if(!lo_write_ex(conn, fd, start, o-start)) | if(!lo_write_ex(conn, fd, start, o-start)) |
| services._throw("lo_write could not write all bytes of object (1)"); | connection.services->_throw("lo_write could not write all bytes of object (1)"); |
| start=++o; | start=++o; |
| } else | } else |
| o++; | o++; |
| } | } |
| if(!lo_write_ex(conn, fd, start, o-start)) | if(!lo_write_ex(conn, fd, start, o-start)) |
| services._throw("lo_write can not write all bytes of object (2)"); | connection.services->_throw("lo_write can not write all bytes of object (2)"); |
| if(lo_close(conn, fd)<0) | if(lo_close(conn, fd)<0) |
| throwPQerror; | throwPQerror; |
| } else | } else |
| Line 316 private: // private funcs | Line 495 private: // private funcs |
| break; | break; |
| } else | } else |
| o++; // /**skip**/'xxx' | o++; // /**skip**/'xxx' |
| if(saved_o) { | |
| o=saved_o; | |
| *n++=*o++; | |
| } | |
| } else | } else |
| *n++=*o++; | *n++=*o++; |
| } | } |
| Line 327 private: // private funcs | Line 510 private: // private funcs |
| private: // lo_read/write exchancements | private: // lo_read/write exchancements |
| bool lo_read_ex(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len) { | bool lo_read_ex(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len) { |
| int size_read; | return lo_rw_method (conn, fd, buf, len, lo_read); |
| while(len && (size_read=lo_read(conn, fd, buf, min(LO_BUFSIZE, len)))>0) { | |
| buf+=size_read; | |
| len-=size_read; | |
| } | |
| return len==0; | |
| } | } |
| bool lo_write_ex(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len) { | bool lo_write_ex(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len) { |
| int size_written; | return lo_rw_method (conn, fd, buf, len, lo_write); |
| while(len && (size_written=lo_write(conn, fd, buf, min(LO_BUFSIZE, len)))>0) { | } |
| buf+=size_written; | |
| len-=size_written; | bool lo_rw_method(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len, int (*lo_func)(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len)) { |
| int size_op; | |
| while(len && (size_op=lo_func(conn, fd, buf, min(LO_BUFSIZE, len)))>0) { | |
| buf+=size_op; | |
| len-=size_op; | |
| } | } |
| return len==0; | return len==0; |
| } | } |
| Line 359 private: // conn client library funcs | Line 541 private: // conn client library funcs |
| typedef ConnStatusType (*t_PQstatus)(const PGconn *conn); t_PQstatus PQstatus; | typedef ConnStatusType (*t_PQstatus)(const PGconn *conn); t_PQstatus PQstatus; |
| typedef PGresult *(*t_PQexec)(PGconn *conn, | typedef PGresult *(*t_PQexec)(PGconn *conn, |
| const char *query); t_PQexec PQexec; | const char *query); t_PQexec PQexec; |
| //PQexecParams | |
| typedef PGresult *(*t_PQexecParams)( | |
| PGconn *conn, | |
| const char *query, | |
| int nParams, | |
| const Oid *paramTypes, | |
| const char * const *paramValues, | |
| const int *paramLengths, | |
| const int *paramFormats, | |
| int resultFormat); t_PQexecParams PQexecParams; | |
| typedef ExecStatusType (*t_PQresultStatus)(const PGresult *res); t_PQresultStatus PQresultStatus; | typedef ExecStatusType (*t_PQresultStatus)(const PGresult *res); t_PQresultStatus PQresultStatus; |
| typedef int (*t_PQgetlength)(const PGresult *res, | typedef int (*t_PQgetlength)(const PGresult *res, |
| int tup_num, | int tup_num, |
| Line 374 private: // conn client library funcs | Line 567 private: // conn client library funcs |
| typedef Oid (*t_PQftype)(const PGresult *res, int field_num); t_PQftype PQftype; | typedef Oid (*t_PQftype)(const PGresult *res, int field_num); t_PQftype PQftype; |
| typedef size_t (*t_PQescapeStringConn)(PGconn *conn, | |
| char *to, const char *from, size_t length, | |
| int *error); t_PQescapeStringConn PQescapeStringConn; | |
| typedef int (*t_lo_open)(PGconn *conn, Oid lobjId, int mode); t_lo_open lo_open; | typedef int (*t_lo_open)(PGconn *conn, Oid lobjId, int mode); t_lo_open lo_open; |
| typedef int (*t_lo_close)(PGconn *conn, int fd); t_lo_close lo_close; | typedef int (*t_lo_close)(PGconn *conn, int fd); t_lo_close lo_close; |
| typedef int (*t_lo_read)(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len); t_lo_read lo_read; | typedef int (*t_lo_read)(PGconn *conn, int fd, const/*paf*/ char *buf, size_t len); t_lo_read lo_read; |
| Line 388 private: // conn client library funcs | Line 585 private: // conn client library funcs |
| private: // conn client library funcs linking | private: // conn client library funcs linking |
| const char *dlink(const char *dlopen_file_spec) { | const char *dlink(const char *dlopen_file_spec) { |
| if(lt_dlinit()) | |
| return lt_dlerror(); | |
| lt_dlhandle handle=lt_dlopen(dlopen_file_spec); | lt_dlhandle handle=lt_dlopen(dlopen_file_spec); |
| if(!handle) | if(!handle) |
| return "can not open the dynamic link module"; | return "can not open the dynamic link module"; |
| Line 411 private: // conn client library funcs li | Line 610 private: // conn client library funcs li |
| DLINK(PQclear); | DLINK(PQclear); |
| DLINK(PQresultStatus); | DLINK(PQresultStatus); |
| DLINK(PQexec); | DLINK(PQexec); |
| DLINK(PQexecParams); | |
| DLINK(PQftype); | DLINK(PQftype); |
| DLINK(PQescapeStringConn); | |
| DLINK(lo_open); DLINK(lo_close); | DLINK(lo_open); DLINK(lo_close); |
| DLINK(lo_read); DLINK(lo_write); | DLINK(lo_read); DLINK(lo_write); |
| DLINK(lo_lseek); DLINK(lo_creat); | DLINK(lo_lseek); DLINK(lo_creat); |
| Line 421 private: // conn client library funcs li | Line 622 private: // conn client library funcs li |
| return 0; | return 0; |
| } | } |
| bool isDefaultTransaction; | |
| }; | }; |
| extern "C" SQL_Driver *SQL_DRIVER_CREATE() { | extern "C" SQL_Driver *SQL_DRIVER_CREATE() { |