<?php
-/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */
-// +----------------------------------------------------------------------+
-// | PHP Version 4 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1997-2004 The PHP Group |
-// +----------------------------------------------------------------------+
-// | This source file is subject to version 2.02 of the PHP license, |
-// | that is bundled with this package in the file LICENSE, and is |
-// | available at through the world-wide-web at |
-// | http://www.php.net/license/2_02.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: Frank M. Kromann <frank@frontbase.com> |
-// | Maintainer: Daniel Convissor <danielc@php.net> |
-// +----------------------------------------------------------------------+
-//
-// $Id: fbsql.php 7703 2010-09-21 06:28:07Z rurban $
-
-
-// XXX legend:
-//
-// XXX ERRORMSG: The error message from the fbsql function should
-// be registered here.
-//
-// TODO/wishlist:
-// longReadlen
-// binmode
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+/**
+ * The PEAR DB driver for PHP's fbsql extension
+ * for interacting with FrontBase databases
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.0 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * 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 web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category Database
+ * @package DB
+ * @author Frank M. Kromann <frank@frontbase.com>
+ * @author Daniel Convissor <danielc@php.net>
+ * @copyright 1997-2007 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version CVS: $Id: fbsql.php 239211 2007-07-06 05:19:21Z aharvey $
+ * @link http://pear.php.net/package/DB
+ */
+
+/**
+ * Obtain the DB_common class so it can be extended from
+ */
require_once 'DB/common.php';
/**
- * Database independent query interface definition for PHP's FrontBase
- * extension.
+ * The methods PEAR DB uses to interact with PHP's fbsql extension
+ * for interacting with FrontBase databases
*
- * @package DB
- * @version $Id: fbsql.php 7703 2010-09-21 06:28:07Z rurban $
- * @category Database
- * @author Frank M. Kromann <frank@frontbase.com>
+ * These methods overload the ones declared in DB_common.
+ *
+ * @category Database
+ * @package DB
+ * @author Frank M. Kromann <frank@frontbase.com>
+ * @author Daniel Convissor <danielc@php.net>
+ * @copyright 1997-2007 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: 1.7.14
+ * @link http://pear.php.net/package/DB
+ * @since Class functional since Release 1.7.0
*/
class DB_fbsql extends DB_common
{
// {{{ properties
+ /**
+ * The DB driver type (mysql, oci8, odbc, etc.)
+ * @var string
+ */
+ var $phptype = 'fbsql';
+
+ /**
+ * The database syntax variant to be used (db2, access, etc.), if any
+ * @var string
+ */
+ var $dbsyntax = 'fbsql';
+
+ /**
+ * The capabilities of this DB implementation
+ *
+ * The 'new_link' element contains the PHP version that first provided
+ * new_link support for this DBMS. Contains false if it's unsupported.
+ *
+ * Meaning of the 'limit' element:
+ * + 'emulate' = emulate with fetch row by number
+ * + 'alter' = alter the query
+ * + false = skip rows
+ *
+ * @var array
+ */
+ var $features = array(
+ 'limit' => 'alter',
+ 'new_link' => false,
+ 'numrows' => true,
+ 'pconnect' => true,
+ 'prepare' => false,
+ 'ssl' => false,
+ 'transactions' => true,
+ );
+
+ /**
+ * A mapping of native error codes to DB error codes
+ * @var array
+ */
+ var $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,
+ );
+
+ /**
+ * The raw database connection created by PHP
+ * @var resource
+ */
var $connection;
- var $phptype, $dbsyntax;
- var $prepare_tokens = array();
- var $prepare_types = array();
- var $num_rows = array();
- var $fetchmode = DB_FETCHMODE_ORDERED; /* Default fetch mode */
+
+ /**
+ * The DSN information for connecting to a database
+ * @var array
+ */
+ var $dsn = array();
+
// }}}
// {{{ constructor
/**
- * DB_fbsql constructor.
+ * This constructor calls <kbd>$this->DB_common()</kbd>
*
- * @access public
+ * @return void
*/
function DB_fbsql()
{
$this->DB_common();
- $this->phptype = 'fbsql';
- $this->dbsyntax = 'fbsql';
- $this->features = array(
- 'prepare' => false,
- 'pconnect' => true,
- 'transactions' => true,
- 'limit' => 'emulate'
- );
- $this->errorcode_map = array(
- 1004 => DB_ERROR_CANNOT_CREATE,
- 1005 => DB_ERROR_CANNOT_CREATE,
- 1006 => DB_ERROR_CANNOT_CREATE,
- 1007 => DB_ERROR_ALREADY_EXISTS,
- 1008 => DB_ERROR_CANNOT_DROP,
- 1046 => DB_ERROR_NODBSELECTED,
- 1050 => DB_ERROR_ALREADY_EXISTS,
- 1051 => DB_ERROR_NOSUCHTABLE,
- 1054 => DB_ERROR_NOSUCHFIELD,
- 1062 => DB_ERROR_ALREADY_EXISTS,
- 1064 => DB_ERROR_SYNTAX,
- 1100 => DB_ERROR_NOT_LOCKED,
- 1136 => DB_ERROR_VALUE_COUNT_ON_ROW,
- 1146 => DB_ERROR_NOSUCHTABLE,
- );
}
// }}}
// {{{ connect()
/**
- * Connect to a database and log in as the specified user.
+ * Connect to the database server, log in and open the database
*
- * @param $dsn the data source name (see DB::parseDSN for syntax)
- * @param $persistent (optional) whether the connection should
- * be persistent
- * @access public
- * @return int DB_OK on success, a DB error on failure
+ * Don't call this method directly. Use DB::connect() instead.
+ *
+ * @param array $dsn the data source name
+ * @param bool $persistent should the connection be persistent?
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
*/
- function connect($dsninfo, $persistent = false)
+ function connect($dsn, $persistent = false)
{
- if (!DB::assertExtension('fbsql')) {
+ if (!PEAR::loadExtension('fbsql')) {
return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
}
- $this->dsn = $dsninfo;
- $dbhost = $dsninfo['hostspec'] ? $dsninfo['hostspec'] : 'localhost';
+ $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,
+ );
- $php_errormsg = '';
$connect_function = $persistent ? 'fbsql_pconnect' : 'fbsql_connect';
- if ($dbhost && $dsninfo['username'] && $dsninfo['password']) {
- $conn = @$connect_function($dbhost, $dsninfo['username'],
- $dsninfo['password']);
- } elseif ($dbhost && $dsninfo['username']) {
- $conn = @$connect_function($dbhost, $dsninfo['username']);
- } elseif ($dbhost) {
- $conn = @$connect_function($dbhost);
+ $ini = ini_get('track_errors');
+ $php_errormsg = '';
+ if ($ini) {
+ $this->connection = @call_user_func_array($connect_function,
+ $params);
} else {
- $conn = false;
+ @ini_set('track_errors', 1);
+ $this->connection = @call_user_func_array($connect_function,
+ $params);
+ @ini_set('track_errors', $ini);
}
- if (!$conn) {
- if (empty($php_errormsg)) {
- return $this->raiseError(DB_ERROR_CONNECT_FAILED);
- } else {
- return $this->raiseError(DB_ERROR_CONNECT_FAILED, null, null,
- null, $php_errormsg);
- }
+
+ if (!$this->connection) {
+ return $this->raiseError(DB_ERROR_CONNECT_FAILED,
+ null, null, null,
+ $php_errormsg);
}
- if ($dsninfo['database']) {
- if (!fbsql_select_db($dsninfo['database'], $conn)) {
+ if ($dsn['database']) {
+ if (!@fbsql_select_db($dsn['database'], $this->connection)) {
return $this->fbsqlRaiseError();
}
}
- $this->connection = $conn;
return DB_OK;
}
// {{{ disconnect()
/**
- * Log out and disconnect from the database.
- *
- * @access public
+ * Disconnects from the database server
*
- * @return bool true on success, false if not connected.
+ * @return bool TRUE on success, FALSE on failure
*/
function disconnect()
{
// {{{ simpleQuery()
/**
- * Send a query to fbsql and return the results as a fbsql resource
- * identifier.
+ * Sends a query to the database server
*
- * @param the SQL query
+ * @param string the SQL query string
*
- * @access public
- *
- * @return mixed returns a valid fbsql result for successful SELECT
- * queries, DB_OK for other successful queries. A DB error is
- * returned on failure.
+ * @return mixed + a PHP result resrouce for successful SELECT queries
+ * + the DB_OK constant for other successful queries
+ * + a DB_Error object on failure
*/
function simpleQuery($query)
{
}
// Determine which queries that should return data, and which
// should return an error code only.
- if (DB::isManip($query)) {
+ if ($this->_checkManip($query)) {
return DB_OK;
}
- $numrows = $this->numrows($result);
- if (is_object($numrows)) {
- return $numrows;
- }
- $this->num_rows[$result] = $numrows;
return $result;
}
// {{{ fetchInto()
/**
- * Fetch a row and insert the data into an existing array.
+ * Places a row from the result set into the given array
*
* Formating of the array and the data therein are configurable.
* See DB_result::fetchInto() for more information.
*
- * @param resource $result query result identifier
- * @param array $arr (reference) array where data from the row
- * should be placed
- * @param int $fetchmode how the resulting array should be indexed
- * @param int $rownum the row number to fetch
+ * This method is not meant to be called directly. Use
+ * DB_result::fetchInto() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
*
- * @return mixed DB_OK on success, null when end of result set is
- * reached or on failure
+ * @param resource $result the query result resource
+ * @param array $arr the referenced array to put the data in
+ * @param int $fetchmode how the resulting array should be indexed
+ * @param int $rownum the row number to fetch (0 = first row)
+ *
+ * @return mixed DB_OK on success, NULL when the end of a result set is
+ * reached or on failure
*
* @see DB_result::fetchInto()
- * @access private
*/
- function fetchInto($result, &$arr, $fetchmode, $rownum=null)
+ function fetchInto($result, &$arr, $fetchmode, $rownum = null)
{
if ($rownum !== null) {
if (!@fbsql_data_seek($result, $rownum)) {
$arr = @fbsql_fetch_row($result);
}
if (!$arr) {
- $errno = @fbsql_errno($this->connection);
- if (!$errno) {
- return null;
- }
- return $this->fbsqlRaiseError($errno);
+ return null;
}
if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
$this->_rtrimArrayValues($arr);
// {{{ freeResult()
/**
- * Free the internal resources associated with $result.
+ * Deletes the result set and frees the memory occupied by the result set
*
- * @param $result fbsql result identifier
+ * This method is not meant to be called directly. Use
+ * DB_result::free() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
*
- * @access public
+ * @param resource $result PHP's query result resource
*
- * @return bool true on success, false if $result is invalid
+ * @return bool TRUE on success, FALSE if $result is invalid
+ *
+ * @see DB_result::free()
*/
function freeResult($result)
{
- return @fbsql_free_result($result);
+ return is_resource($result) ? fbsql_free_result($result) : false;
}
// }}}
// {{{ autoCommit()
+ /**
+ * Enables or disables automatic commits
+ *
+ * @param bool $onoff true turns it on, false turns it off
+ *
+ * @return int DB_OK on success. A DB_Error object if the driver
+ * doesn't support auto-committing transactions.
+ */
function autoCommit($onoff=false)
{
if ($onoff) {
// }}}
// {{{ commit()
+ /**
+ * Commits the current transaction
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
+ */
function commit()
{
- @fbsql_commit();
+ @fbsql_commit($this->connection);
}
// }}}
// {{{ rollback()
+ /**
+ * Reverts the current transaction
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
+ */
function rollback()
{
- @fbsql_rollback();
+ @fbsql_rollback($this->connection);
}
// }}}
// {{{ numCols()
/**
- * Get the number of columns in a result set.
+ * Gets the number of columns in a result set
*
- * @param $result fbsql result identifier
+ * This method is not meant to be called directly. Use
+ * DB_result::numCols() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
*
- * @access public
+ * @param resource $result PHP's query result resource
+ *
+ * @return int the number of columns. A DB_Error object on failure.
*
- * @return int the number of columns per row in $result
+ * @see DB_result::numCols()
*/
function numCols($result)
{
$cols = @fbsql_num_fields($result);
-
if (!$cols) {
return $this->fbsqlRaiseError();
}
-
return $cols;
}
// {{{ numRows()
/**
- * Get the number of rows in a result set.
+ * Gets the number of rows in a result set
*
- * @param $result fbsql result identifier
+ * This method is not meant to be called directly. Use
+ * DB_result::numRows() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
*
- * @access public
+ * @param resource $result PHP's query result resource
*
- * @return int the number of rows in $result
+ * @return int the number of rows. A DB_Error object on failure.
+ *
+ * @see DB_result::numRows()
*/
function numRows($result)
{
// {{{ affectedRows()
/**
- * Gets the number of rows affected by the data manipulation
- * query. For other queries, this function returns 0.
+ * Determines the number of rows affected by a data maniuplation query
+ *
+ * 0 is returned for queries that don't manipulate data.
*
- * @return number of rows affected by the last query
+ * @return int the number of rows. A DB_Error object on failure.
*/
function affectedRows()
{
- if (DB::isManip($this->last_query)) {
+ if ($this->_last_query_manip) {
$result = @fbsql_affected_rows($this->connection);
} else {
$result = 0;
return $result;
}
- // }}}
- // {{{ errorNative()
-
- /**
- * Get the native error code of the last error (if any) that
- * occured on the current connection.
- *
- * @access public
- *
- * @return int native fbsql error code
- */
- function errorNative()
- {
- return @fbsql_errno($this->connection);
- }
-
// }}}
// {{{ nextId()
/**
* Returns the next free id in a sequence
*
- * @param string $seq_name name of the sequence
- * @param boolean $ondemand when true, the seqence is automatically
- * created if it does not exist
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true, the seqence is automatically
+ * created if it does not exist
*
- * @return int the next id number in the sequence. DB_Error if problem.
+ * @return int the next id number in the sequence.
+ * A DB_Error object on failure.
*
- * @internal
- * @see DB_common::nextID()
- * @access public
+ * @see DB_common::nextID(), DB_common::getSequenceName(),
+ * DB_fbsql::createSequence(), DB_fbsql::dropSequence()
*/
function nextId($seq_name, $ondemand = true)
{
$seqname = $this->getSequenceName($seq_name);
- $repeat = 0;
do {
- $result = $this->query("INSERT INTO ${seqname} VALUES(NULL)");
+ $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) {
$repeat = 1;
}
} while ($repeat);
if (DB::isError($result)) {
- return $result;
+ return $this->fbsqlRaiseError();
}
- return @fbsql_insert_id($this->connection);
+ $result->fetchInto($tmp, DB_FETCHMODE_ORDERED);
+ return $tmp[0];
}
/**
* Creates a new sequence
*
- * @param string $seq_name name of the new sequence
+ * @param string $seq_name name of the new sequence
*
- * @return int DB_OK on success. A DB_Error object is returned if
- * problems arise.
+ * @return int DB_OK on success. A DB_Error object on failure.
*
- * @internal
- * @see DB_common::createSequence()
- * @access public
+ * @see DB_common::createSequence(), DB_common::getSequenceName(),
+ * DB_fbsql::nextID(), DB_fbsql::dropSequence()
*/
function createSequence($seq_name)
{
$seqname = $this->getSequenceName($seq_name);
- return $this->query("CREATE TABLE ${seqname} ".
- '(id INTEGER UNSIGNED AUTO_INCREMENT NOT NULL,'.
- ' PRIMARY KEY(id))');
+ $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;
}
// }}}
/**
* Deletes a sequence
*
- * @param string $seq_name name of the sequence to be deleted
+ * @param string $seq_name name of the sequence to be deleted
*
- * @return int DB_OK on success. DB_Error if problems.
+ * @return int DB_OK on success. A DB_Error object on failure.
*
- * @internal
- * @see DB_common::dropSequence()
- * @access public
+ * @see DB_common::dropSequence(), DB_common::getSequenceName(),
+ * DB_fbsql::nextID(), DB_fbsql::createSequence()
*/
function dropSequence($seq_name)
{
- $seqname = $this->getSequenceName($seq_name);
- return $this->query("DROP TABLE ${seqname} RESTRICT");
+ return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name)
+ . ' RESTRICT');
}
// }}}
- // {{{ modifyQuery()
+ // {{{ modifyLimitQuery()
- function modifyQuery($query)
+ /**
+ * Adds LIMIT clauses to a query string according to current DBMS standards
+ *
+ * @param string $query the query to modify
+ * @param int $from the row to start to fetching (0 = the first row)
+ * @param int $count the numbers of rows to fetch
+ * @param mixed $params array, string or numeric data to be used in
+ * execution of the statement. Quantity of items
+ * passed must match quantity of placeholders in
+ * query: meaning 1 placeholder for non-array
+ * parameters or 1 placeholder per array element.
+ *
+ * @return string the query string with LIMIT clauses added
+ *
+ * @access protected
+ */
+ function modifyLimitQuery($query, $from, $count, $params = array())
{
- if ($this->options['portability'] & DB_PORTABILITY_DELETE_COUNT) {
- // "DELETE FROM table" gives 0 affected rows in fbsql.
- // This little hack lets you know how many rows were deleted.
- if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
- $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
- 'DELETE FROM \1 WHERE 1=1', $query);
- }
+ if (DB::isManip($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);
}
- return $query;
}
// }}}
- // {{{ quoteSmart()
+ // {{{ quoteBoolean()
/**
- * Format input so it can be safely used in a query
- *
- * @param mixed $in data to be quoted
+ * Formats a boolean value for use within a query in a locale-independent
+ * manner.
*
- * @return mixed Submitted variable's type = returned value:
- * + null = the string <samp>NULL</samp>
- * + boolean = string <samp>TRUE</samp> or <samp>FALSE</samp>
- * + integer or double = the unquoted number
- * + other (including strings and numeric strings) =
- * the data escaped according to MySQL's settings
- * then encapsulated between single quotes
- *
- * @internal
+ * @param boolean the boolean value to be quoted.
+ * @return string the quoted string.
+ * @see DB_common::quoteSmart()
+ * @since Method available since release 1.7.8.
*/
- function quoteSmart($in)
- {
- if (is_int($in) || is_double($in)) {
- return $in;
- } elseif (is_bool($in)) {
- return $in ? 'TRUE' : 'FALSE';
- } elseif (is_null($in)) {
- return 'NULL';
- } else {
- return "'" . $this->escapeSimple($in) . "'";
- }
+ function quoteBoolean($boolean) {
+ return $boolean ? 'TRUE' : 'FALSE';
}
+
+ // }}}
+ // {{{ quoteFloat()
+ /**
+ * Formats a float value for use within a query in a locale-independent
+ * manner.
+ *
+ * @param float the float value to be quoted.
+ * @return string the quoted string.
+ * @see DB_common::quoteSmart()
+ * @since Method available since release 1.7.8.
+ */
+ function quoteFloat($float) {
+ return $this->escapeSimple(str_replace(',', '.', strval(floatval($float))));
+ }
+
// }}}
// {{{ fbsqlRaiseError()
/**
- * Gather information about an error, then use that info to create a
- * DB error object and finally return that object.
- *
- * @param integer $errno PEAR error number (usually a DB constant) if
- * manually raising an error
- * @return object DB error object
- * @see DB_common::errorCode()
- * @see DB_common::raiseError()
+ * Produces a DB_Error object regarding the current problem
+ *
+ * @param int $errno if the error is being manually raised pass a
+ * DB_ERROR* constant here. If this isn't passed
+ * the error information gathered from the DBMS.
+ *
+ * @return object the DB_Error object
+ *
+ * @see DB_common::raiseError(),
+ * DB_fbsql::errorNative(), DB_common::errorCode()
*/
function fbsqlRaiseError($errno = null)
{
$errno = $this->errorCode(fbsql_errno($this->connection));
}
return $this->raiseError($errno, null, null, null,
- @fbsql_error($this->connection));
+ @fbsql_error($this->connection));
+ }
+
+ // }}}
+ // {{{ errorNative()
+
+ /**
+ * Gets the DBMS' native error code produced by the last query
+ *
+ * @return int the DBMS' error code
+ */
+ function errorNative()
+ {
+ return @fbsql_errno($this->connection);
}
// }}}
// {{{ tableInfo()
/**
- * Returns information about a table or a result set.
+ * Returns information about a table or a result set
+ *
+ * @param object|string $result DB_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A DB_Error object on failure.
*
- * @param object|string $result DB_result object from a query or a
- * string containing the name of a table
- * @param int $mode a valid tableInfo mode
- * @return array an associative array with the information requested
- * or an error object if something is wrong
- * @access public
- * @internal
* @see DB_common::tableInfo()
*/
- function tableInfo($result, $mode = null) {
- if (isset($result->result)) {
- /*
- * Probably received a result object.
- * Extract the result resource identifier.
- */
- $id = $result->result;
- $got_string = false;
- } elseif (is_string($result)) {
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
/*
* Probably received a table name.
* Create a result resource identifier.
$id = @fbsql_list_fields($this->dsn['database'],
$result, $this->connection);
$got_string = true;
+ } elseif (isset($result->result)) {
+ /*
+ * Probably received a result object.
+ * Extract the result resource identifier.
+ */
+ $id = $result->result;
+ $got_string = false;
} else {
/*
* Probably received a result resource identifier.
* Copy it.
- * Depricated. Here for compatibility only.
+ * Deprecated. Here for compatibility only.
*/
$id = $result;
$got_string = false;
}
$count = @fbsql_num_fields($id);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
- // made this IF due to performance (one if is faster than $count if's)
- if (!$mode) {
- for ($i=0; $i<$count; $i++) {
- $res[$i]['table'] = $case_func(@fbsql_field_table($id, $i));
- $res[$i]['name'] = $case_func(@fbsql_field_name($id, $i));
- $res[$i]['type'] = @fbsql_field_type($id, $i);
- $res[$i]['len'] = @fbsql_field_len($id, $i);
- $res[$i]['flags'] = @fbsql_field_flags($id, $i);
+ for ($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;
}
- } else { // full
- $res["num_fields"]= $count;
-
- for ($i=0; $i<$count; $i++) {
- $res[$i]['table'] = $case_func(@fbsql_field_table($id, $i));
- $res[$i]['name'] = $case_func(@fbsql_field_name($id, $i));
- $res[$i]['type'] = @fbsql_field_type($id, $i);
- $res[$i]['len'] = @fbsql_field_len($id, $i);
- $res[$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']] = $i;
- }
+ if ($mode & DB_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
}
}
// {{{ getSpecialQuery()
/**
- * Returns the query needed to get some backend info
- * @param string $type What kind of info you want to retrieve
- * @return string The SQL query string
+ * Obtains the query string needed for listing a given type of objects
+ *
+ * @param string $type the kind of objects you want to retrieve
+ *
+ * @return string the SQL query string or null if the driver doesn't
+ * support the object type requested
+ *
+ * @access protected
+ * @see DB_common::getListOf()
*/
function getSpecialQuery($type)
{
switch ($type) {
case 'tables':
- return 'select "table_name" from information_schema.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;
}
* c-basic-offset: 4
* End:
*/
+
+?>