--- parser3/src/sql/mysql/Attic/parser3mysql.C 2001/04/05 08:09:26 1.6 +++ parser3/src/sql/mysql/Attic/parser3mysql.C 2001/04/05 11:50:11 1.8 @@ -1,18 +1,18 @@ /** @file Parser: MySQL driver. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) + Author: Alexander Petrosyan (http://design.ru/paf) - $Id: parser3mysql.C,v 1.6 2001/04/05 08:09:26 paf Exp $ + $Id: parser3mysql.C,v 1.8 2001/04/05 11:50:11 paf Exp $ */ #include #include "pa_sql_driver.h" #include "mysql.h" -#include "pa_common.h" +#include "pa_common.h" // char *lsplit(char *string, char delim) { if(string) { @@ -25,13 +25,6 @@ char *lsplit(char *string, char delim) { return 0; } -char *lsplit(char **string_ref, char delim) { - char *result=*string_ref; - char *next=lsplit(*string_ref, delim); - *string_ref=next; - return result; -} - /** MySQL server driver @@ -73,6 +66,64 @@ public: } void commit(void *connection) {} void rollback(void *connection) {} + + bool ping(void *connection) { + return false; + return mysql_ping((MYSQL *)connection)==0; + } + + void query(void *connection, + const char *statement, unsigned long offset, unsigned long limit, + unsigned int *column_count, Cell **columns, + unsigned long *row_count, Cell ***rows) { + + MYSQL *mysql=(MYSQL *)connection; + MYSQL_RES *res=NULL; + + //mysql_character_set_name + //mysql_real_escape_string + //mysql_escape_string + + if(mysql_query(mysql, statement)) + fservices->_throw(mysql_error(mysql)); + if(!(res=mysql_store_result(mysql)) && mysql_field_count(mysql)) + fservices->_throw(mysql_error(mysql)); + if(!res) { + // empty result + *row_count=0; + *column_count=0; + return; + } + + *column_count=mysql_num_fields(res); + *columns=(Cell *)fservices->malloc(sizeof(Cell)*(*column_count)); + + *row_count=(unsigned long)mysql_num_rows(res); + *rows=(Cell **)fservices->malloc(sizeof(Cell *)*(*row_count)); + + for(unsigned int i=0; i<(*column_count); i++){ + MYSQL_FIELD *field=mysql_fetch_field(res); + size_t size=strlen(field->name); + (*columns)[i].size=size; + (*columns)[i].ptr=fservices->malloc(size); + memcpy((*columns)[i].ptr, field->name, size); + } + + for(unsigned long r=0; r<(*row_count); r++) + if(MYSQL_ROW mysql_row=mysql_fetch_row(res)) { // never false.. + unsigned long *lengths=mysql_fetch_lengths(res); + Cell *row=(Cell *)malloc(sizeof(Cell)*(*column_count)); + (*rows)[r]=row; + for(unsigned int i=0; i<(*column_count); i++){ + size_t size=(size_t)lengths[i]; + row[i].size=size; + row[i].ptr=fservices->malloc(size); + memcpy(row[i].ptr, mysql_row[i], size); + } + } + + mysql_free_result(res); + } }; extern "C" SQL_Driver *create() {