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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2004 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Edin Kadribasic <edink@emini.dk> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "pdo/php_pdo.h"
#include "pdo/php_pdo_driver.h"
#include "php_pdo_pgsql.h"
#include "php_pdo_pgsql_int.h"
static int pgsql_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC)
{
pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
int i;
if (S->result) {
/* free the resource */
PQclear(S->result);
S->result = NULL;
}
if(S->cols) {
efree(S->cols);
S->cols = NULL;
}
efree(S);
return 1;
}
static int pgsql_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC)
{
pdo_dbh_t *dbh = stmt->dbh;
pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
pdo_pgsql_db_handle *H = S->H;
ExecStatusType status;
if (stmt->executed) {
/* ensure that we free any previous unfetched results */
if(S->result) {
PQclear(S->result);
S->result = NULL;
}
}
S->result = PQexec(H->server, stmt->active_query_string);
status = PQresultStatus(S->result);
if (status != PGRES_COMMAND_OK && status != PGRES_TUPLES_OK) {
pdo_pgsql_error_stmt(stmt, status);
return 0;
}
if(!stmt->executed) {
stmt->column_count = (int) PQnfields(S->result);
S->cols = ecalloc(stmt->column_count, sizeof(pdo_pgsql_column));
}
if (status == PGRES_COMMAND_OK) {
stmt->row_count = (long)atoi(PQcmdTuples(S->result));
} else {
stmt->row_count = (long)PQntuples(S->result);
}
return 1;
}
static int pgsql_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param,
enum pdo_param_event event_type TSRMLS_DC)
{
return 1;
}
static int pgsql_stmt_fetch(pdo_stmt_t *stmt TSRMLS_DC)
{
pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
if (S->current_row < stmt->row_count) {
S->current_row++;
return 1;
} else {
return 0;
}
}
static int pgsql_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC)
{
pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
struct pdo_column_data *cols = stmt->columns;
if (!S->result) {
return 0;
}
cols[colno].name = estrdup(PQfname(S->result, colno));
cols[colno].namelen = strlen(cols[colno].name);
cols[colno].maxlen = PQfsize(S->result, colno);
cols[colno].precision = PQfmod(S->result, colno);
cols[colno].param_type = PDO_PARAM_STR;
return 1;
}
static int pgsql_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, unsigned long *len TSRMLS_DC)
{
pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
if (!S->result) {
return 0;
}
/* We have already increased count by 1 in pgsql_stmt_fetch() */
*ptr = PQgetvalue(S->result, S->current_row - 1, colno);
*len = PQgetlength(S->result, S->current_row - 1, colno);
return 1;
}
struct pdo_stmt_methods pgsql_stmt_methods = {
pgsql_stmt_dtor,
pgsql_stmt_execute,
pgsql_stmt_fetch,
pgsql_stmt_describe,
pgsql_stmt_get_col,
pgsql_stmt_param_hook
};
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|
