Source for file fbsql.php
Documentation is available at fbsql.php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
* The PEAR DB driver for PHP's fbsql extension
* for interacting with FrontBase databases
* 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.
* @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';
* The methods PEAR DB uses to interact with PHP's fbsql extension
* for interacting with FrontBase databases
* These methods overload the ones declared in DB_common.
* @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
* The DB driver type (mysql, oci8, odbc, etc.)
* The database syntax variant to be used (db2, access, etc.), if any
* 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
* A mapping of native error codes to DB error codes
85 => DB_ERROR_ALREADY_EXISTS ,
116 => DB_ERROR_NOSUCHTABLE ,
124 => DB_ERROR_VALUE_COUNT_ON_ROW ,
215 => DB_ERROR_NOSUCHFIELD ,
217 => DB_ERROR_INVALID_NUMBER ,
226 => DB_ERROR_NOSUCHFIELD ,
239 => DB_ERROR_TRUNCATED ,
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
* The DSN information for connecting to a database
* This constructor calls <kbd>$this->DB_common()</kbd>
* Connect to the database server, log in and open the database
* Don't call this method directly. Use DB::connect() instead.
* @param array $dsn the data source name
* @param bool $persistent should the connection be persistent?
* @return int DB_OK on success. A DB_Error object on failure.
function connect($dsn, $persistent = false )
if (!PEAR ::loadExtension ('fbsql')) {
$dsn['hostspec'] ? $dsn['hostspec'] : 'localhost',
$dsn['username'] ? $dsn['username'] : null ,
$dsn['password'] ? $dsn['password'] : null ,
$connect_function = $persistent ? 'fbsql_pconnect' : 'fbsql_connect';
if (!@fbsql_select_db ($dsn['database'], $this->connection)) {
* Disconnects from the database server
* @return bool TRUE on success, FALSE on failure
* Sends a query to the database server
* @param string the SQL query string
* @return mixed + a PHP result resrouce for successful SELECT queries
* + the DB_OK constant for other successful queries
* + a DB_Error object on failure
$result = @fbsql_query (" $query;" , $this->connection);
// Determine which queries that should return data, and which
// should return an error code only.
* Move the internal fbsql result pointer to the next available result
* @param a valid fbsql result resource
* @return true if a result is available otherwise return false
return @fbsql_next_result ($result);
* 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.
* 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.
* @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 $rownum the row number to fetch (0 = first row)
* @return mixed DB_OK on success, NULL when the end of a result set is
* @see DB_result::fetchInto()
function fetchInto($result, &$arr, $fetchmode, $rownum = null )
if (!@fbsql_data_seek ($result, $rownum)) {
$arr = @fbsql_fetch_array ($result, FBSQL_ASSOC );
$arr = @fbsql_fetch_row ($result);
* Deletes the result set and frees the memory occupied by the result set
* 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.
* @param resource $result PHP's query result resource
* @return bool TRUE on success, FALSE if $result is invalid
return is_resource($result) ? fbsql_free_result ($result) : false;
* 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.
$this->query("SET COMMIT TRUE");
$this->query("SET COMMIT FALSE");
* Commits the current transaction
* @return int DB_OK on success. A DB_Error object on failure.
* Reverts the current transaction
* @return int DB_OK on success. A DB_Error object on failure.
* Gets the number of columns in a result set
* 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.
* @param resource $result PHP's query result resource
* @return int the number of columns. A DB_Error object on failure.
* @see DB_result::numCols()
$cols = @fbsql_num_fields ($result);
* Gets the number of rows in a result set
* 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.
* @param resource $result PHP's query result resource
* @return int the number of rows. A DB_Error object on failure.
* @see DB_result::numRows()
$rows = @fbsql_num_rows ($result);
* Determines the number of rows affected by a data maniuplation query
* 0 is returned for queries that don't manipulate data.
* @return int the number of rows. A DB_Error object on failure.
$result = @fbsql_affected_rows ($this->connection);
* Returns the next free id in a sequence
* @param string $seq_name name of the sequence
* @param boolean $ondemand when true, the seqence is automatically
* created if it does not exist
* @return int the next id number in the sequence.
* A DB_Error object on failure.
* @see DB_common::nextID(), DB_common::getSequenceName(),
* DB_fbsql::createSequence(), DB_fbsql::dropSequence()
function nextId($seq_name, $ondemand = true )
$this->pushErrorHandling (PEAR_ERROR_RETURN );
$result = $this->query('SELECT UNIQUE FROM ' . $seqname);
$this->popErrorHandling ();
* @param string $seq_name name of the new sequence
* @return int DB_OK on success. A DB_Error object on failure.
* @see DB_common::createSequence(), DB_common::getSequenceName(),
* DB_fbsql::nextID(), DB_fbsql::dropSequence()
$res = $this->query('CREATE TABLE ' . $seqname
. ' (id INTEGER NOT NULL,'
$res = $this->query('SET UNIQUE = 0 FOR ' . $seqname);
* @param string $seq_name name of the sequence to be deleted
* @return int DB_OK on success. A DB_Error object on failure.
* @see DB_common::dropSequence(), DB_common::getSequenceName(),
* DB_fbsql::nextID(), DB_fbsql::createSequence()
// {{{ modifyLimitQuery()
* 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 $params array, string or numeric data to be used in
* execution of the statement. Quantity of items
* passed must match quantity of placeholders in
* query: meaning 1 placeholder for non-array
* parameters or 1 placeholder per array element.
* @return string the query string with LIMIT clauses added
" \\1SELECT TOP($count)" , $query);
" \\1SELECT TOP($from, $count)" , $query);
* Formats a boolean value for use within a query in a locale-independent
* @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.
return $boolean ? 'TRUE' : 'FALSE';
* Formats a float value for use within a query in a locale-independent
* @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.
* 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()
return $this->raiseError($errno, null , null , null ,
* Gets the DBMS' native error code produced by the last query
* @return int the DBMS' error code
* 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
* @param int $mode a valid tableInfo mode
* @return array an associative array with the information requested.
* A DB_Error object on failure.
* @see DB_common::tableInfo()
* Probably received a table name.
* Create a result resource identifier.
$id = @fbsql_list_fields ($this->dsn['database'],
} elseif (isset ($result->result )) {
* Probably received a result object.
* Extract the result resource identifier.
* Probably received a result resource identifier.
* Deprecated. Here for compatibility only.
$case_func = 'strtolower';
$count = @fbsql_num_fields ($id);
$res['num_fields'] = $count;
for ($i = 0; $i < $count; $i++ ) {
'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),
$res['order'][$res[$i]['name']] = $i;
$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
// free the result only if we were called on a table
* 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
* @see DB_common::getListOf()
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';
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';
return 'SELECT "user_name" from information_schema.users';
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';
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';
Documentation generated on Sat, 27 Aug 2011 14:00:08 +0000 by phpDocumentor 1.4.3. PEAR Logo Copyright © PHP Group 2004.
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