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- <?php
- require_once 'common.php';
- class DB_fbsql extends DB_common
- {
-
-
- public $phptype = 'fbsql';
-
- public $dbsyntax = 'fbsql';
-
- public $features = array(
- 'limit' => 'alter',
- 'new_link' => false,
- 'numrows' => true,
- 'pconnect' => true,
- 'prepare' => false,
- 'ssl' => false,
- 'transactions' => true,
- );
-
- public $errorcode_map = array(
- 22 => DB_ERROR_SYNTAX,
- 85 => DB_ERROR_ALREADY_EXISTS,
- 108 => DB_ERROR_SYNTAX,
- 116 => DB_ERROR_NOSUCHTABLE,
- 124 => DB_ERROR_VALUE_COUNT_ON_ROW,
- 215 => DB_ERROR_NOSUCHFIELD,
- 217 => DB_ERROR_INVALID_NUMBER,
- 226 => DB_ERROR_NOSUCHFIELD,
- 231 => DB_ERROR_INVALID,
- 239 => DB_ERROR_TRUNCATED,
- 251 => DB_ERROR_SYNTAX,
- 266 => DB_ERROR_NOT_FOUND,
- 357 => DB_ERROR_CONSTRAINT_NOT_NULL,
- 358 => DB_ERROR_CONSTRAINT,
- 360 => DB_ERROR_CONSTRAINT,
- 361 => DB_ERROR_CONSTRAINT,
- );
-
- public $connection;
-
- public $dsn = array();
-
-
-
- public function __construct()
- {
- parent::__construct();
- }
-
-
-
- public function connect($dsn, $persistent = false)
- {
- if (!PEAR::loadExtension('fbsql')) {
- return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
- }
- $this->dsn = $dsn;
- if ($dsn['dbsyntax']) {
- $this->dbsyntax = $dsn['dbsyntax'];
- }
- $params = array(
- $dsn['hostspec'] ? $dsn['hostspec'] : 'localhost',
- $dsn['username'] ? $dsn['username'] : null,
- $dsn['password'] ? $dsn['password'] : null,
- );
- $connect_function = $persistent ? 'fbsql_pconnect' : 'fbsql_connect';
- $ini = ini_get('track_errors');
- $php_errormsg = '';
- if ($ini) {
- $this->connection = @call_user_func_array(
- $connect_function,
- $params
- );
- } else {
- @ini_set('track_errors', 1);
- $this->connection = @call_user_func_array(
- $connect_function,
- $params
- );
- @ini_set('track_errors', $ini);
- }
- if (!$this->connection) {
- return $this->raiseError(
- DB_ERROR_CONNECT_FAILED,
- null,
- null,
- null,
- $php_errormsg
- );
- }
- if ($dsn['database']) {
- if (!@fbsql_select_db($dsn['database'], $this->connection)) {
- return $this->fbsqlRaiseError();
- }
- }
- return DB_OK;
- }
-
-
-
- public function fbsqlRaiseError($errno = null)
- {
- if ($errno === null) {
- $errno = $this->errorCode(fbsql_errno($this->connection));
- }
- return $this->raiseError(
- $errno,
- null,
- null,
- null,
- @fbsql_error($this->connection)
- );
- }
-
-
-
- public function disconnect()
- {
- $ret = @fbsql_close($this->connection);
- $this->connection = null;
- return $ret;
- }
-
-
-
- public function simpleQuery($query)
- {
- $this->last_query = $query;
- $query = $this->modifyQuery($query);
- $result = @fbsql_query("$query;", $this->connection);
- if (!$result) {
- return $this->fbsqlRaiseError();
- }
-
-
- if ($this->_checkManip($query)) {
- return DB_OK;
- }
- return $result;
- }
-
-
-
- public function nextResult($result)
- {
- return @fbsql_next_result($result);
- }
-
-
-
- public function fetchInto($result, &$arr, $fetchmode, $rownum = null)
- {
- if ($rownum !== null) {
- if (!@fbsql_data_seek($result, $rownum)) {
- return null;
- }
- }
- if ($fetchmode & DB_FETCHMODE_ASSOC) {
- $arr = @fbsql_fetch_array($result, FBSQL_ASSOC);
- if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
- $arr = array_change_key_case($arr, CASE_LOWER);
- }
- } else {
- $arr = @fbsql_fetch_row($result);
- }
- if (!$arr) {
- return null;
- }
- if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
- $this->_rtrimArrayValues($arr);
- }
- if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
- $this->_convertNullArrayValuesToEmpty($arr);
- }
- return DB_OK;
- }
-
-
-
- public function freeResult($result)
- {
- return is_resource($result) ? fbsql_free_result($result) : false;
- }
-
-
-
- public function autoCommit($onoff = false)
- {
- if ($onoff) {
- $this->query("SET COMMIT TRUE");
- } else {
- $this->query("SET COMMIT FALSE");
- }
- return null;
- }
-
-
-
- public function commit()
- {
- @fbsql_commit($this->connection);
- return 0;
- }
-
-
-
- public function rollback()
- {
- @fbsql_rollback($this->connection);
- return 0;
- }
-
-
-
- public function numCols($result)
- {
- $cols = @fbsql_num_fields($result);
- if (!$cols) {
- return $this->fbsqlRaiseError();
- }
- return $cols;
- }
-
-
-
- public function numRows($result)
- {
- $rows = @fbsql_num_rows($result);
- if ($rows === null) {
- return $this->fbsqlRaiseError();
- }
- return $rows;
- }
-
-
-
- public function affectedRows()
- {
- if ($this->_last_query_manip) {
- $result = @fbsql_affected_rows($this->connection);
- } else {
- $result = 0;
- }
- return $result;
- }
-
- public function nextId($seq_name, $ondemand = true)
- {
- $seqname = $this->getSequenceName($seq_name);
- do {
- $repeat = 0;
- $this->pushErrorHandling(PEAR_ERROR_RETURN);
- $result = $this->query('SELECT UNIQUE FROM ' . $seqname);
- $this->popErrorHandling();
- if ($ondemand && DB::isError($result) &&
- $result->getCode() == DB_ERROR_NOSUCHTABLE) {
- $repeat = 1;
- $result = $this->createSequence($seq_name);
- if (DB::isError($result)) {
- return $result;
- }
- } else {
- $repeat = 0;
- }
- } while ($repeat);
- if (DB::isError($result)) {
- return $this->fbsqlRaiseError();
- }
- $result->fetchInto($tmp, DB_FETCHMODE_ORDERED);
- return $tmp[0];
- }
-
-
-
- public function createSequence($seq_name)
- {
- $seqname = $this->getSequenceName($seq_name);
- $res = $this->query('CREATE TABLE ' . $seqname
- . ' (id INTEGER NOT NULL,'
- . ' PRIMARY KEY(id))');
- if ($res) {
- $res = $this->query('SET UNIQUE = 0 FOR ' . $seqname);
- }
- return $res;
- }
-
-
-
- public function dropSequence($seq_name)
- {
- return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name)
- . ' RESTRICT');
- }
-
-
-
- public function modifyLimitQuery($query, $from, $count, $params = array())
- {
- if (DB::isManip($query) || $this->_next_query_manip) {
- return preg_replace(
- '/^([\s(])*SELECT/i',
- "\\1SELECT TOP($count)",
- $query
- );
- } else {
- return preg_replace(
- '/([\s(])*SELECT/i',
- "\\1SELECT TOP($from, $count)",
- $query
- );
- }
- }
-
-
-
- public function quoteBoolean($boolean)
- {
- return $boolean ? 'TRUE' : 'FALSE';
- }
-
-
-
- public function quoteFloat($float)
- {
- return $this->escapeSimple(str_replace(',', '.', strval(floatval($float))));
- }
-
-
-
- public function errorNative()
- {
- return @fbsql_errno($this->connection);
- }
-
-
-
- public function tableInfo($result, $mode = null)
- {
- if (is_string($result)) {
-
- $id = @fbsql_list_fields(
- $this->dsn['database'],
- $result,
- $this->connection
- );
- $got_string = true;
- } elseif (isset($result->result)) {
-
- $id = $result->result;
- $got_string = false;
- } else {
-
- $id = $result;
- $got_string = false;
- }
- if (!is_resource($id)) {
- return $this->fbsqlRaiseError(DB_ERROR_NEED_MORE_DATA);
- }
- if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
- $case_func = 'strtolower';
- } else {
- $case_func = 'strval';
- }
- $count = @fbsql_num_fields($id);
- $res = array();
- if ($mode) {
- $res['num_fields'] = $count;
- }
- for ($i = 0; $i < $count; $i++) {
- $res[$i] = array(
- 'table' => $case_func(@fbsql_field_table($id, $i)),
- 'name' => $case_func(@fbsql_field_name($id, $i)),
- 'type' => @fbsql_field_type($id, $i),
- 'len' => @fbsql_field_len($id, $i),
- 'flags' => @fbsql_field_flags($id, $i),
- );
- if ($mode & DB_TABLEINFO_ORDER) {
- $res['order'][$res[$i]['name']] = $i;
- }
- if ($mode & DB_TABLEINFO_ORDERTABLE) {
- $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
- }
- }
-
- if ($got_string) {
- @fbsql_free_result($id);
- }
- return $res;
- }
-
-
-
- public function getSpecialQuery($type)
- {
- switch ($type) {
- case 'tables':
- return 'SELECT "table_name" FROM information_schema.tables'
- . ' t0, information_schema.schemata t1'
- . ' WHERE t0.schema_pk=t1.schema_pk AND'
- . ' "table_type" = \'BASE TABLE\''
- . ' AND "schema_name" = current_schema';
- case 'views':
- return 'SELECT "table_name" FROM information_schema.tables'
- . ' t0, information_schema.schemata t1'
- . ' WHERE t0.schema_pk=t1.schema_pk AND'
- . ' "table_type" = \'VIEW\''
- . ' AND "schema_name" = current_schema';
- case 'users':
- return 'SELECT "user_name" from information_schema.users';
- case 'functions':
- return 'SELECT "routine_name" FROM'
- . ' information_schema.psm_routines'
- . ' t0, information_schema.schemata t1'
- . ' WHERE t0.schema_pk=t1.schema_pk'
- . ' AND "routine_kind"=\'FUNCTION\''
- . ' AND "schema_name" = current_schema';
- case 'procedures':
- return 'SELECT "routine_name" FROM'
- . ' information_schema.psm_routines'
- . ' t0, information_schema.schemata t1'
- . ' WHERE t0.schema_pk=t1.schema_pk'
- . ' AND "routine_kind"=\'PROCEDURE\''
- . ' AND "schema_name" = current_schema';
- default:
- return null;
- }
- }
-
- }
|