mirror of
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249 lines
6.8 KiB
C
Executable File
249 lines
6.8 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: Wez Furlong <wez@php.net> |
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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_odbc.h"
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#include "php_pdo_odbc_int.h"
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void _odbc_error(pdo_dbh_t *dbh, char *what, PDO_ODBC_HSTMT stmt, const char *file, int line TSRMLS_DC) /* {{{ */
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{
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RETCODE rc;
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SWORD errmsgsize;
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pdo_odbc_db_handle *H = (pdo_odbc_db_handle*)dbh->driver_data;
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rc = SQLError(H->env, H->dbc, stmt, H->last_state, &H->last_error,
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H->last_err_msg, sizeof(H->last_err_msg)-1, &errmsgsize);
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H->last_err_msg[errmsgsize] = '\0';
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "(%s:%d) %s: %d %s [SQL State %s]",
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file, line, what, H->last_error, H->last_err_msg, H->last_state);
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}
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/* }}} */
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static int odbc_handle_closer(pdo_dbh_t *dbh TSRMLS_DC)
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{
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pdo_odbc_db_handle *H = (pdo_odbc_db_handle*)dbh->driver_data;
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if (H->dbc != SQL_NULL_HANDLE) {
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SQLEndTran(SQL_HANDLE_DBC, H->dbc, SQL_ROLLBACK);
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}
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SQLFreeHandle(SQL_HANDLE_STMT, H->dbc);
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SQLFreeHandle(SQL_HANDLE_ENV, H->env);
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pefree(H, dbh->is_persistent);
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return 0;
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}
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static int odbc_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, pdo_stmt_t *stmt, long options, zval *driver_options TSRMLS_DC)
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{
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RETCODE rc;
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pdo_odbc_db_handle *H = (pdo_odbc_db_handle *)dbh->driver_data;
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pdo_odbc_stmt *S = ecalloc(1, sizeof(*S));
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S->H = H;
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rc = SQLAllocHandle(SQL_HANDLE_STMT, H->dbc, &S->stmt);
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if (rc == SQL_INVALID_HANDLE || rc == SQL_ERROR) {
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efree(S);
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odbc_error(dbh, "SQLAllocStmt", SQL_NULL_HSTMT);
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return 0;
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}
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rc = SQLPrepare(S->stmt, (char*)sql, SQL_NTS);
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if (rc != SQL_SUCCESS) {
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odbc_error(dbh, "SQLPrepare", S->stmt);
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}
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if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
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SQLFreeHandle(SQL_HANDLE_STMT, S->stmt);
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return 0;
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}
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stmt->driver_data = S;
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stmt->methods = &odbc_stmt_methods;
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return 1;
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}
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static int odbc_handle_doer(pdo_dbh_t *dbh, const char *sql TSRMLS_DC)
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{
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pdo_odbc_db_handle *H = (pdo_odbc_db_handle *)dbh->driver_data;
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return 0;
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}
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static int odbc_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, char **quoted, int *quotedlen TSRMLS_DC)
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{
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pdo_odbc_db_handle *H = (pdo_odbc_db_handle *)dbh->driver_data;
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return 0;
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}
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static int odbc_handle_begin(pdo_dbh_t *dbh TSRMLS_DC)
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{
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/* with ODBC, there is nothing special to be done */
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return 1;
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}
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static int odbc_handle_commit(pdo_dbh_t *dbh TSRMLS_DC)
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{
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pdo_odbc_db_handle *H = (pdo_odbc_db_handle *)dbh->driver_data;
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RETCODE rc;
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rc = SQLEndTran(SQL_HANDLE_DBC, H->dbc, SQL_COMMIT);
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if (rc != SQL_SUCCESS) {
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odbc_error(dbh, "SQLEndTran: Commit", SQL_NULL_HSTMT);
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if (rc != SQL_SUCCESS_WITH_INFO) {
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return 0;
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}
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}
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return 1;
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}
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static int odbc_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC)
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{
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pdo_odbc_db_handle *H = (pdo_odbc_db_handle *)dbh->driver_data;
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RETCODE rc;
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rc = SQLEndTran(SQL_HANDLE_DBC, H->dbc, SQL_ROLLBACK);
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if (rc != SQL_SUCCESS) {
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odbc_error(dbh, "SQLEndTran: Rollback", SQL_NULL_HSTMT);
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if (rc != SQL_SUCCESS_WITH_INFO) {
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return 0;
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}
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}
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return 1;
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}
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static struct pdo_dbh_methods odbc_methods = {
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odbc_handle_closer,
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odbc_handle_preparer,
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odbc_handle_doer,
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odbc_handle_quoter,
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odbc_handle_begin,
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odbc_handle_commit,
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odbc_handle_rollback,
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};
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static int pdo_odbc_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC) /* {{{ */
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{
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pdo_odbc_db_handle *H;
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RETCODE rc;
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int use_direct = 0;
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H = pecalloc(1, sizeof(*H), dbh->is_persistent);
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dbh->driver_data = H;
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SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &H->env);
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rc = SQLSetEnvAttr(H->env, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
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if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
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odbc_error(dbh, "SQLSetEnvAttr: ODBC3", SQL_NULL_HSTMT);
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odbc_handle_closer(dbh TSRMLS_CC);
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return 0;
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}
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rc = SQLAllocHandle(SQL_HANDLE_DBC, H->env, &H->dbc);
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if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
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odbc_error(dbh, "SQLAllocHandle (DBC)", SQL_NULL_HSTMT);
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odbc_handle_closer(dbh TSRMLS_CC);
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return 0;
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}
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if (!dbh->auto_commit) {
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rc = SQLSetConnectAttr(H->dbc, SQL_ATTR_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF, SQL_IS_UINTEGER);
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if (rc != SQL_SUCCESS) {
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odbc_error(dbh, "SQLSetConnectAttr AUTOCOMMIT = OFF", SQL_NULL_HSTMT);
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odbc_handle_closer(dbh TSRMLS_CC);
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return 0;
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}
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}
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if (strchr(dbh->data_source, ';')) {
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char dsnbuf[1024];
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short dsnbuflen;
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use_direct = 1;
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/* Force UID and PWD to be set in the DSN */
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if (*dbh->username && !strstr(dbh->data_source, "uid") && !strstr(dbh->data_source, "UID")) {
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char *dsn = pemalloc(strlen(dbh->data_source) + strlen(dbh->username) + strlen(dbh->password) + sizeof(";UID=;PWD="), dbh->is_persistent);
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sprintf(dsn, "%s;UID=%s;PWD=%s", dbh->data_source, dbh->username, dbh->password);
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pefree((char*)dbh->data_source, dbh->is_persistent);
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dbh->data_source = dsn;
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}
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rc = SQLDriverConnect(H->dbc, NULL, (char*)dbh->data_source, strlen(dbh->data_source),
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dsnbuf, sizeof(dsnbuf)-1, &dsnbuflen, SQL_DRIVER_NOPROMPT);
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}
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if (!use_direct) {
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rc = SQLConnect(H->dbc, (char*)dbh->data_source, SQL_NTS, dbh->username, SQL_NTS, dbh->password, SQL_NTS);
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}
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if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
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odbc_error(dbh, use_direct ? "SQLDriverConnect" : "SQLConnect", SQL_NULL_HSTMT);
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odbc_handle_closer(dbh TSRMLS_CC);
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return 0;
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}
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/* TODO: if we want to play nicely, we should check to see if the driver supports ODBC v3 or not */
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dbh->methods = &odbc_methods;
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dbh->alloc_own_columns = 1;
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dbh->supports_placeholders = 1;
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return 1;
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}
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/* }}} */
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pdo_driver_t pdo_odbc_driver = {
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PDO_DRIVER_HEADER(odbc),
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pdo_odbc_handle_factory
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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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