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262 lines
7.0 KiB
C
Executable File
262 lines
7.0 KiB
C
Executable File
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2004 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.0 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_0.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: George Schlossnagle <george@omniti.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "pdo/php_pdo.h"
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#include "pdo/php_pdo_driver.h"
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#include "php_pdo_mysql.h"
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#include "php_pdo_mysql_int.h"
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static int pdo_mysql_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC)
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{
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pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
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int i;
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if (S->result) {
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/* free the resource */
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mysql_free_result(S->result);
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S->result = NULL;
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}
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if(S->cols) {
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efree(S->cols);
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S->cols = NULL;
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}
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efree(S);
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return 1;
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}
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static int pdo_mysql_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC)
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{
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pdo_dbh_t *dbh = stmt->dbh;
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pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
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pdo_mysql_db_handle *H = S->H;
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if (stmt->executed) {
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/* ensure that we free any previous unfetched results */
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if(S->result) {
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mysql_free_result(S->result);
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S->result = NULL;
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}
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}
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if (mysql_real_query(H->server, stmt->active_query_string, stmt->active_query_stringlen) != 0) {
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pdo_mysql_error_stmt(stmt);
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return 0;
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}
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if ((S->result = mysql_use_result(H->server)) == NULL) {
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/* could've been INSERT/UPDATE/DELETE query */
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if (!mysql_affected_rows(H->server)) {
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pdo_mysql_error_stmt(stmt);
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return 0;
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}
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return 1;
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}
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if (!stmt->executed) {
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stmt->column_count = (int) mysql_num_fields(S->result);
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S->cols = ecalloc(stmt->column_count, sizeof(pdo_mysql_column));
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}
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return 1;
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}
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static int pdo_mysql_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param,
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enum pdo_param_event event_type TSRMLS_DC)
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{
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return 1;
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}
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static int pdo_mysql_stmt_fetch(pdo_stmt_t *stmt,
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enum pdo_fetch_orientation ori, long offset TSRMLS_DC)
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{
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pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
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if (!S->result) {
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return 0;
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}
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if((S->current_data = mysql_fetch_row(S->result)) == NULL) {
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/* there seems to be no way of distinguishing 'no data' from 'error' */
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pdo_mysql_error_stmt(stmt);
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return 0;
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}
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S->current_lengths = mysql_fetch_lengths(S->result);
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return 1;
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}
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static int pdo_mysql_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC)
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{
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pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
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MYSQL_RES *R = S->result;
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MYSQL_FIELD *F;
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struct pdo_column_data *cols = stmt->columns;
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unsigned int num_fields, i;
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if (!S->result) {
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return 0;
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}
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/* fetch all on demand, this seems easiest
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** if we've been here before bail out
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*/
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if(cols[0].name) {
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return 1;
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}
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num_fields = mysql_num_fields(R);
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F = mysql_fetch_fields(R);
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for(i=0; i < num_fields; i++) {
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int namelen;
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namelen = strlen(F[i].name);
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cols[i].precision = F[i].decimals;
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cols[i].maxlen = F[i].length;
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cols[i].namelen = namelen;
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/* FIXME where does this get freed? */
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cols[i].name = estrndup(F[i].name, namelen + 1);
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cols[i].param_type = PDO_PARAM_STR;
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}
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return 1;
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}
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static int pdo_mysql_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, unsigned long *len, int *caller_frees TSRMLS_DC)
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{
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pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
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if(S->current_data == NULL || !S->result) {
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return 0;
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}
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if(colno >= mysql_num_fields(S->result)) {
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/* error invalid column */
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pdo_mysql_error_stmt(stmt);
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return 0;
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}
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*ptr = S->current_data[colno];
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*len = S->current_lengths[colno];
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return 1;
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}
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static char *type_to_name_native(int type)
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{
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#define PDO_MYSQL_NATIVE_TYPE_NAME(x) case FIELD_TYPE_##x: return #x;
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switch (type) {
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PDO_MYSQL_NATIVE_TYPE_NAME(STRING)
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PDO_MYSQL_NATIVE_TYPE_NAME(VAR_STRING)
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#ifdef MYSQL_HAS_TINY
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PDO_MYSQL_NATIVE_TYPE_NAME(TINY)
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#endif
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PDO_MYSQL_NATIVE_TYPE_NAME(SHORT)
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PDO_MYSQL_NATIVE_TYPE_NAME(LONG)
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PDO_MYSQL_NATIVE_TYPE_NAME(LONGLONG)
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PDO_MYSQL_NATIVE_TYPE_NAME(INT24)
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PDO_MYSQL_NATIVE_TYPE_NAME(FLOAT)
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PDO_MYSQL_NATIVE_TYPE_NAME(DOUBLE)
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PDO_MYSQL_NATIVE_TYPE_NAME(DECIMAL)
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PDO_MYSQL_NATIVE_TYPE_NAME(TIMESTAMP)
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#ifdef MYSQL_HAS_YEAR
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PDO_MYSQL_NATIVE_TYPE_NAME(YEAR)
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#endif
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PDO_MYSQL_NATIVE_TYPE_NAME(DATE)
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PDO_MYSQL_NATIVE_TYPE_NAME(TIME)
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PDO_MYSQL_NATIVE_TYPE_NAME(DATETIME)
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PDO_MYSQL_NATIVE_TYPE_NAME(TINY_BLOB)
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PDO_MYSQL_NATIVE_TYPE_NAME(MEDIUM_BLOB)
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PDO_MYSQL_NATIVE_TYPE_NAME(LONG_BLOB)
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PDO_MYSQL_NATIVE_TYPE_NAME(BLOB)
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PDO_MYSQL_NATIVE_TYPE_NAME(NULL)
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default:
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return NULL;
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}
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}
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static int pdo_mysql_stmt_col_meta(pdo_stmt_t *stmt, long colno, zval *return_value TSRMLS_DC)
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{
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pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
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MYSQL_FIELD *F;
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zval *flags;
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char *str;
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if(S->current_data == NULL || !S->result) {
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return FAILURE;
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}
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if(colno >= mysql_num_fields(S->result)) {
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/* error invalid column */
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pdo_mysql_error_stmt(stmt);
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return FAILURE;
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}
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mysql_field_seek(S->result, colno);
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F = mysql_fetch_field(S->result);
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if (!F) {
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pdo_mysql_error_stmt(stmt);
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return FAILURE;
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}
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array_init(return_value);
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MAKE_STD_ZVAL(flags);
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array_init(flags);
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if (F->def) {
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add_assoc_string(return_value, "mysql:def", F->def, 1);
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}
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if (IS_NOT_NULL(F->flags)) {
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add_next_index_string(flags, "not_null", 1);
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}
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if (IS_PRI_KEY(F->flags)) {
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add_next_index_string(flags, "primary_key", 1);
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}
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if (F->flags & MULTIPLE_KEY_FLAG) {
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add_next_index_string(flags, "multiple_key", 1);
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}
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if (F->flags & UNIQUE_KEY_FLAG) {
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add_next_index_string(flags, "unique_key", 1);
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}
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if (IS_BLOB(F->flags)) {
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add_next_index_string(flags, "blob", 1);
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}
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str = type_to_name_native(F->flags);
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if (str) {
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add_assoc_string(return_value, "native_type", str, 1);
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}
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add_assoc_zval(return_value, "flags", flags);
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return SUCCESS;
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}
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struct pdo_stmt_methods mysql_stmt_methods = {
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pdo_mysql_stmt_dtor,
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pdo_mysql_stmt_execute,
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pdo_mysql_stmt_fetch,
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pdo_mysql_stmt_describe,
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pdo_mysql_stmt_get_col,
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pdo_mysql_stmt_param_hook,
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NULL, /* set_attr */
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NULL, /* get_attr */
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pdo_mysql_stmt_col_meta
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};
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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