cakephp2-php8/cake/libs/model/datasources/dbo/dbo_postgres.php

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<?php
/* SVN FILE: $Id$ */
/**
* PostgreSQL layer for DBO.
Merging changes to trunk: Revision: [1761] Removing old db_acl.sql Revision: [1759] Removed unneeded calls to uses(). Changed basics.php listClasses() no longer using folder class. Starting corrections in DboPostgres class. Adding missing DboPostgres::query(). Added missing doc blocks to AjaxHelper. Fixed undefined keys in FormHelper::generateFields() Reformatted FormHelper::generateFields() adding open and close brackets where needed Revision: [1758] Fixed typo Revision: [1757] Fixed errors found when using PHP 4. Fixed a scaffold error Revision: [1756] Merging changes to model_php4.php Revision: [1755] Fixed scaffolding for the changes made to the model. Fixed Model::isForeignKey(), replaced array_key_exists with in_array, other function was failing Revision: [1754] Committing changes from bundt model to beta. DataSources will not be in the beta release Revision: [1751] Cleaning up a little more in the code. Removing loading of log.php unless it is really needed. Refactored dispatcher to speed up the stripslashes code if it is called Revision: [1748] removing all references to error_messages and deleting the file Revision: [1747] updated more error messages Revision: [1746] removing all error message defines Revision: [1745] added _() method from 1.0 to basics.php only used to return string right now Revision: [1744] Adding fix for ticket #220 Revision: [1743] More work on ErrorHandler class Revision: [1742] Renaming error view for missing database connection Revision: [1741] More work on ErrorHandler class Revision: [1740] More work on error class Revision: [1739] Replacing all $_SERVER variable check with env() in basics.php Revision: [1738] Adding env() to basic Revision: [1737] Updated session to use env() Revision: [1736] Removing ternary operators from Dispatcher Revision: [1735] Per nates request I am rolling back ACL to [1373] Revision: [1734] Removed the IP in the session class this was not very reliable. Added a time setting that generates current time adding the Security::inactiveMins() to the session Removed code that was added to basics.php to replace gethostbyaddr(). Added CAKE_SESSION_STRING define to core.php which is used in the by the Session class to generate a hashed key. Revision: [1733] Moving errors messages to ErrorHandler class. Updating errors view for use with new class. Updating Scaffold to use new class. Updated Dispatcher to use new class. Removing methods from Object class Revision: [1732] Adding ErrorHandler class Revision: [1731] Adding fix for Ticket #223 git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1762 3807eeeb-6ff5-0310-8944-8be069107fe0
2006-01-12 02:10:47 +00:00
*
* Long description for file
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright (c) 2006, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
Merging changes to trunk: Revision: [1761] Removing old db_acl.sql Revision: [1759] Removed unneeded calls to uses(). Changed basics.php listClasses() no longer using folder class. Starting corrections in DboPostgres class. Adding missing DboPostgres::query(). Added missing doc blocks to AjaxHelper. Fixed undefined keys in FormHelper::generateFields() Reformatted FormHelper::generateFields() adding open and close brackets where needed Revision: [1758] Fixed typo Revision: [1757] Fixed errors found when using PHP 4. Fixed a scaffold error Revision: [1756] Merging changes to model_php4.php Revision: [1755] Fixed scaffolding for the changes made to the model. Fixed Model::isForeignKey(), replaced array_key_exists with in_array, other function was failing Revision: [1754] Committing changes from bundt model to beta. DataSources will not be in the beta release Revision: [1751] Cleaning up a little more in the code. Removing loading of log.php unless it is really needed. Refactored dispatcher to speed up the stripslashes code if it is called Revision: [1748] removing all references to error_messages and deleting the file Revision: [1747] updated more error messages Revision: [1746] removing all error message defines Revision: [1745] added _() method from 1.0 to basics.php only used to return string right now Revision: [1744] Adding fix for ticket #220 Revision: [1743] More work on ErrorHandler class Revision: [1742] Renaming error view for missing database connection Revision: [1741] More work on ErrorHandler class Revision: [1740] More work on error class Revision: [1739] Replacing all $_SERVER variable check with env() in basics.php Revision: [1738] Adding env() to basic Revision: [1737] Updated session to use env() Revision: [1736] Removing ternary operators from Dispatcher Revision: [1735] Per nates request I am rolling back ACL to [1373] Revision: [1734] Removed the IP in the session class this was not very reliable. Added a time setting that generates current time adding the Security::inactiveMins() to the session Removed code that was added to basics.php to replace gethostbyaddr(). Added CAKE_SESSION_STRING define to core.php which is used in the by the Session class to generate a hashed key. Revision: [1733] Moving errors messages to ErrorHandler class. Updating errors view for use with new class. Updating Scaffold to use new class. Updated Dispatcher to use new class. Removing methods from Object class Revision: [1732] Adding ErrorHandler class Revision: [1731] Adding fix for Ticket #223 git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1762 3807eeeb-6ff5-0310-8944-8be069107fe0
2006-01-12 02:10:47 +00:00
* @filesource
* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
* @package cake
* @subpackage cake.cake.libs.model.dbo
* @since CakePHP v 0.9.1.114
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Include DBO.
*/
uses ('model' . DS . 'datasources' . DS . 'dbo_source');
/**
* PostgreSQL layer for DBO.
Merging changes to trunk: Revision: [1761] Removing old db_acl.sql Revision: [1759] Removed unneeded calls to uses(). Changed basics.php listClasses() no longer using folder class. Starting corrections in DboPostgres class. Adding missing DboPostgres::query(). Added missing doc blocks to AjaxHelper. Fixed undefined keys in FormHelper::generateFields() Reformatted FormHelper::generateFields() adding open and close brackets where needed Revision: [1758] Fixed typo Revision: [1757] Fixed errors found when using PHP 4. Fixed a scaffold error Revision: [1756] Merging changes to model_php4.php Revision: [1755] Fixed scaffolding for the changes made to the model. Fixed Model::isForeignKey(), replaced array_key_exists with in_array, other function was failing Revision: [1754] Committing changes from bundt model to beta. DataSources will not be in the beta release Revision: [1751] Cleaning up a little more in the code. Removing loading of log.php unless it is really needed. Refactored dispatcher to speed up the stripslashes code if it is called Revision: [1748] removing all references to error_messages and deleting the file Revision: [1747] updated more error messages Revision: [1746] removing all error message defines Revision: [1745] added _() method from 1.0 to basics.php only used to return string right now Revision: [1744] Adding fix for ticket #220 Revision: [1743] More work on ErrorHandler class Revision: [1742] Renaming error view for missing database connection Revision: [1741] More work on ErrorHandler class Revision: [1740] More work on error class Revision: [1739] Replacing all $_SERVER variable check with env() in basics.php Revision: [1738] Adding env() to basic Revision: [1737] Updated session to use env() Revision: [1736] Removing ternary operators from Dispatcher Revision: [1735] Per nates request I am rolling back ACL to [1373] Revision: [1734] Removed the IP in the session class this was not very reliable. Added a time setting that generates current time adding the Security::inactiveMins() to the session Removed code that was added to basics.php to replace gethostbyaddr(). Added CAKE_SESSION_STRING define to core.php which is used in the by the Session class to generate a hashed key. Revision: [1733] Moving errors messages to ErrorHandler class. Updating errors view for use with new class. Updating Scaffold to use new class. Updated Dispatcher to use new class. Removing methods from Object class Revision: [1732] Adding ErrorHandler class Revision: [1731] Adding fix for Ticket #223 git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1762 3807eeeb-6ff5-0310-8944-8be069107fe0
2006-01-12 02:10:47 +00:00
*
* Long description for class
*
* @package cake
* @subpackage cake.cake.libs.model.dbo
*/
class DboPostgres extends DboSource{
var $description = "PostgreSQL DBO Driver";
var $_baseConfig = array('persistent' => true,
'host' => 'localhost',
'login' => 'root',
'password' => '',
'database' => 'cake',
'port' => 5432);
var $columns = array('primary_key' => array('name' => 'serial NOT NULL'),
'string' => array('name' => 'varchar', 'limit' => '255'),
'text' => array('name' => 'text'),
'integer' => array('name' => 'integer'),
'float' => array('name' => 'float'),
'datetime' => array('name' => 'timestamp'),
'timestamp' => array('name' => 'timestamp'),
'time' => array('name' => 'time'),
'date' => array('name' => 'date'),
'binary' => array('name' => 'bytea'),
'boolean' => array('name' => 'boolean'),
'number' => array('name' => 'numeric')
);
var $startQuote = '"';
var $endQuote = '"';
/**
* Connects to the database using options in the given configuration array.
*
* @return True if successfully connected.
*/
function connect() {
$config = $this->config;
$connect = $config['connect'];
$this->connection = $connect("host={$config['host']} port={$config['port']} dbname={$config['database']} user={$config['login']} password={$config['password']}");
if ($this->connection) {
$this->connected = true;
} else {
$this->connected = false;
}
return $this->connected;
}
/**
* Disconnects from database.
*
* @return boolean True if the database could be disconnected, else false
*/
function disconnect() {
$this->connected=!@pg_close($this->connection);
return !$this->connected;
}
/**
* Executes given SQL statement.
*
* @param string $sql SQL statement
* @return resource Result resource identifier
*/
function _execute($sql) {
return pg_query($this->connection, $sql);
}
/**
* Returns a row from given resultset as an array .
*
* @return array The fetched row as an array
*/
function fetchRow($assoc = false) {
if (is_resource($this->_result)) {
$this->resultSet($this->_result);
$resultRow=$this->fetchResult();
return $resultRow;
} else {
return null;
}
}
/**
* Returns an array of tables in the database. If there are no tables, an error is raised and the application exits.
*
* @return array Array of tablenames in the database
*/
function listSources() {
$cache=parent::listSources();
if ($cache != null) {
return $cache;
}
$sql = "SELECT table_name as name FROM INFORMATION_SCHEMA.tables WHERE table_schema = 'public';";
$result = $this->fetchAll($sql);
if (!$result) {
return array();
} else {
$tables = array();
foreach($result as $item) {
$tables[] = $item[0]['name'];
}
parent::listSources($tables);
return $tables;
}
}
/**
Merging fixes and enhancements into trunk Revision: [1985] Changed DboSource?::order() to allow passing an array in the order param Revision: [1984] Reverting changes from [1983] Revision: [1983] Merging change from [1966] and [1967] Revision: [1982] Adding fix for DboSource::order(). This allows setting the order in the find methods. Revision: [1981] cleaned up code Revision: [1980] Corrected the array keys in the regex I added Revision: [1979] Added check to DboMysql::value() that does not add quotes around a numerical value. Refactored DboSource::conditions() adding better regex. Revision: [1978] Added check for LIKE in a condition array this fixes the = being added. Revision: [1977] Added fix for Ticket #392 Revision: [1976] Adding changes suggested in Ticket #381. These have not been fully tested. Revision: [1975] Added fix for Ticket #391 Revision: [1974] Added patch from Ticket #390 Revision: [1973] Adding patch from Ticket #386 Revision: [1972] Added patch from Ticket #385. Changed wording of a comment. Revision: [1971] Added patch from Ticket #383 Revision: [1970] Adding fix for Ticket #395 Revision: [1969] Adding more detailed comment to path defines Revision: [1968] Making a few more changes to the path settings Revision: [1965] fixing path issue with loading PagesController Revision: [1964] Added model method for getting column types by field Revision: [1963] Corrected paths to the tmp directory. Making a few more changes to the defines in index.php Revision: [1962] Moving tmp directory to app Revision: [1961] Starting separation of core from the application. Revision: [1960] Adding vendors directory to app directory Revision: [1959] Finished support for recursive associations. Still needs some testing... Revision: [1958] Adding fix for Ticket #387, and automagic id's for form inputs Revision: [1957] Revision: [1956] Adding fix for error reported in Google Group: http://groups.google.com/group/cake-php/browse_thread/thread/395593a3cea34174 Revision: [1955] Adding fix for Controller::referer() git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1986 3807eeeb-6ff5-0310-8944-8be069107fe0
2006-02-16 09:29:28 +00:00
* Returns an array of the fields in given table name.
*
* @param string $tableName Name of database table to inspect
* @return array Fields in table. Keys are name and type
*/
function &describe(&$model) {
$cache = parent::describe($model);
if ($cache != null) {
return $cache;
}
$fields = false;
$cols = $this->fetchAll("SELECT DISTINCT column_name AS name, data_type AS type, is_nullable AS null, column_default AS default, ordinal_position FROM information_schema.columns WHERE table_name =" . $this->value($model->tablePrefix . $model->table) . " ORDER BY ordinal_position");
foreach($cols as $column) {
$colKey = array_keys($column);
if (isset($column[$colKey[0]]) && !isset($column[0])) {
$column[0] = $column[$colKey[0]];
}
if (isset($column[0])) {
$fields[] = array('name' => $column[0]['name'],
'type' => $this->column($column[0]['type']),
'null' => $column[0]['null'],
'default' => $column[0]['default']
);
}
}
$this->__cacheDescription($model->tablePrefix . $model->table, $fields);
return $fields;
}
Merging fixes and enhancements into trunk Revision: [1985] Changed DboSource?::order() to allow passing an array in the order param Revision: [1984] Reverting changes from [1983] Revision: [1983] Merging change from [1966] and [1967] Revision: [1982] Adding fix for DboSource::order(). This allows setting the order in the find methods. Revision: [1981] cleaned up code Revision: [1980] Corrected the array keys in the regex I added Revision: [1979] Added check to DboMysql::value() that does not add quotes around a numerical value. Refactored DboSource::conditions() adding better regex. Revision: [1978] Added check for LIKE in a condition array this fixes the = being added. Revision: [1977] Added fix for Ticket #392 Revision: [1976] Adding changes suggested in Ticket #381. These have not been fully tested. Revision: [1975] Added fix for Ticket #391 Revision: [1974] Added patch from Ticket #390 Revision: [1973] Adding patch from Ticket #386 Revision: [1972] Added patch from Ticket #385. Changed wording of a comment. Revision: [1971] Added patch from Ticket #383 Revision: [1970] Adding fix for Ticket #395 Revision: [1969] Adding more detailed comment to path defines Revision: [1968] Making a few more changes to the path settings Revision: [1965] fixing path issue with loading PagesController Revision: [1964] Added model method for getting column types by field Revision: [1963] Corrected paths to the tmp directory. Making a few more changes to the defines in index.php Revision: [1962] Moving tmp directory to app Revision: [1961] Starting separation of core from the application. Revision: [1960] Adding vendors directory to app directory Revision: [1959] Finished support for recursive associations. Still needs some testing... Revision: [1958] Adding fix for Ticket #387, and automagic id's for form inputs Revision: [1957] Revision: [1956] Adding fix for error reported in Google Group: http://groups.google.com/group/cake-php/browse_thread/thread/395593a3cea34174 Revision: [1955] Adding fix for Controller::referer() git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1986 3807eeeb-6ff5-0310-8944-8be069107fe0
2006-02-16 09:29:28 +00:00
/**
* Returns a quoted and escaped string of $data for use in an SQL statement.
*
* @param string $data String to be prepared for use in an SQL statement
* @return string Quoted and escaped
*/
function name($data) {
if ($data == '*') {
return '*';
}
$pos = strpos($data, '"');
if ($pos === false) {
$data = '"' . str_replace('.', '"."', $data) . '"';
}
return $data;
}
Merging changes to trunk: Revision: [1761] Removing old db_acl.sql Revision: [1759] Removed unneeded calls to uses(). Changed basics.php listClasses() no longer using folder class. Starting corrections in DboPostgres class. Adding missing DboPostgres::query(). Added missing doc blocks to AjaxHelper. Fixed undefined keys in FormHelper::generateFields() Reformatted FormHelper::generateFields() adding open and close brackets where needed Revision: [1758] Fixed typo Revision: [1757] Fixed errors found when using PHP 4. Fixed a scaffold error Revision: [1756] Merging changes to model_php4.php Revision: [1755] Fixed scaffolding for the changes made to the model. Fixed Model::isForeignKey(), replaced array_key_exists with in_array, other function was failing Revision: [1754] Committing changes from bundt model to beta. DataSources will not be in the beta release Revision: [1751] Cleaning up a little more in the code. Removing loading of log.php unless it is really needed. Refactored dispatcher to speed up the stripslashes code if it is called Revision: [1748] removing all references to error_messages and deleting the file Revision: [1747] updated more error messages Revision: [1746] removing all error message defines Revision: [1745] added _() method from 1.0 to basics.php only used to return string right now Revision: [1744] Adding fix for ticket #220 Revision: [1743] More work on ErrorHandler class Revision: [1742] Renaming error view for missing database connection Revision: [1741] More work on ErrorHandler class Revision: [1740] More work on error class Revision: [1739] Replacing all $_SERVER variable check with env() in basics.php Revision: [1738] Adding env() to basic Revision: [1737] Updated session to use env() Revision: [1736] Removing ternary operators from Dispatcher Revision: [1735] Per nates request I am rolling back ACL to [1373] Revision: [1734] Removed the IP in the session class this was not very reliable. Added a time setting that generates current time adding the Security::inactiveMins() to the session Removed code that was added to basics.php to replace gethostbyaddr(). Added CAKE_SESSION_STRING define to core.php which is used in the by the Session class to generate a hashed key. Revision: [1733] Moving errors messages to ErrorHandler class. Updating errors view for use with new class. Updating Scaffold to use new class. Updated Dispatcher to use new class. Removing methods from Object class Revision: [1732] Adding ErrorHandler class Revision: [1731] Adding fix for Ticket #223 git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1762 3807eeeb-6ff5-0310-8944-8be069107fe0
2006-01-12 02:10:47 +00:00
/**
* Returns a quoted and escaped string of $data for use in an SQL statement.
*
* @param string $data String to be prepared for use in an SQL statement
* @param string $column The column into which this data will be inserted
* @return string Quoted and escaped
* @todo Add logic that formats/escapes data based on column type
*/
function value($data, $column = null) {
$parent = parent::value($data, $column);
if ($parent != null) {
return $parent;
}
if ($data === null) {
return 'NULL';
}
switch($column) {
case 'integer':
if ($data == '') {
return 'DEFAULT';
} else {
$data = pg_escape_string($data);
}
break;
case 'binary':
$data=pg_escape_bytea($data);
break;
case 'boolean':
$data=$this->boolean((bool)$data);
break;
default:
if (ini_get('magic_quotes_gpc') == 1) {
$data = stripslashes($data);
}
$data = pg_escape_string($data);
break;
}
return "'" . $data . "'";
}
/**
* Begin a transaction
*
* @param unknown_type $model
* @return boolean True on success, false on fail
* (i.e. if the database/model does not support transactions).
*/
function begin(&$model) {
if (parent::begin($model)) {
if ($this->execute('BEGIN')) {
$this->__transactionStarted = true;
return true;
}
}
return false;
}
/**
* Commit a transaction
*
* @param unknown_type $model
* @return boolean True on success, false on fail
* (i.e. if the database/model does not support transactions,
* or a transaction has not started).
*/
function commit(&$model) {
if (parent::commit($model)) {
$this->__transactionStarted;
return $this->execute('COMMIT');
}
return false;
}
/**
* Rollback a transaction
*
* @param unknown_type $model
* @return boolean True on success, false on fail
* (i.e. if the database/model does not support transactions,
* or a transaction has not started).
*/
function rollback(&$model) {
if (parent::rollback($model)) {
return $this->execute('ROLLBACK');
}
return false;
}
/**
* Returns a formatted error message from previous database operation.
*
* @return string Error message
*/
function lastError() {
$last_error = pg_last_error($this->connection);
if ($last_error) {
return $last_error;
}
return null;
}
/**
* Returns number of affected rows in previous database operation. If no previous operation exists, this returns false.
*
* @return int Number of affected rows
*/
function lastAffected() {
if ($this->_result) {
$return = pg_affected_rows($this->_result);
return $return;
}
return false;
}
/**
* Returns number of rows in previous resultset. If no previous resultset exists,
* this returns false.
*
* @return int Number of rows in resultset
*/
function lastNumRows() {
if ($this->_result) {
$return = pg_num_rows($this->_result);
return $return;
}
return false;
}
/**
* Returns the ID generated from the previous INSERT operation.
*
* @param string $source Name of the database table
* @param string $field Name of the ID database field. Defaults to "id"
* @return int
*/
function lastInsertId($source, $field = 'id') {
$sql = "SELECT last_value AS max FROM {$source}_{$field}_seq";
$res = $this->rawQuery($sql);
$data = $this->fetchRow($res);
return $data[0]['max'];
}
/**
* Generates the fields list of an SQL query.
*
* @param Model $model
* @param string $alias Alias tablename
* @param mixed $fields
* @return array
*/
function fields(&$model, $alias, $fields) {
if (is_array($fields)) {
$fields = $fields;
} else {
if ($fields != null) {
if (strpos($fields, ',')) {
$fields = explode(',', $fields);
} else {
$fields = array($fields);
}
$fields = array_map('trim', $fields);
} else {
foreach($model->_tableInfo->value as $field) {
$fields[] = $field['name'];
}
}
}
$count = count($fields);
if ($count >= 1 && $fields[0] != '*' && strpos($fields[0], 'COUNT(*)') === false) {
for($i = 0; $i < $count; $i++) {
if (!preg_match('/^.+\\(.*\\)/', $fields[$i])) {
$prepend = '';
if (strpos($fields[$i], 'DISTINCT') !== false) {
$prepend = 'DISTINCT ';
$fields[$i] = trim(r('DISTINCT', '', $fields[$i]));
}
$dot = strrpos($fields[$i], '.');
if ($dot === false) {
$fields[$i] = $prepend . $this->name($alias) . '.' . $this->name($fields[$i]) . ' AS ' . $this->name($alias . '__' . $fields[$i]);
} else {
$build = explode('.', $fields[$i]);
$fields[$i] = $prepend . $this->name($build[0]) . '.' . $this->name($build[1]) . ' AS ' . $this->name($build[0] . '__' . $build[1]);
}
}
}
}
return $fields;
}
/**
* Returns a limit statement in the correct format for the particular database.
*
* @param int $limit Limit of results returned
* @param int $offset Offset from which to start results
* @return string SQL limit/offset statement
*/
function limit($limit, $offset = null) {
if ($limit) {
$rt = '';
if (!strpos(strtolower($limit), 'limit') || strpos(strtolower($limit), 'limit') === 0) {
$rt = ' LIMIT';
}
$rt .= ' ' . $limit;
if ($offset) {
$rt .= ' OFFSET ' . $offset;
}
return $rt;
}
return null;
}
/**
* Converts database-layer column types to basic types
*
* @param string $real Real database-layer column type (i.e. "varchar(255)")
* @return string Abstract column type (i.e. "string")
*/
function column($real) {
if (is_array($real)) {
$col = $real['name'];
if (isset($real['limit'])) {
$col .= '(' . $real['limit'] . ')';
}
return $col;
}
$col = r(')', '', $real);
$limit = null;
@list($col, $limit) = explode('(', $col);
if (in_array($col, array('date', 'time'))) {
return $col;
}
if (strpos($col, 'timestamp') !== false) {
return 'datetime';
}
if ($col == 'boolean') {
return 'boolean';
}
if (strpos($col, 'int') !== false && $col != 'interval') {
return 'integer';
}
if (strpos($col, 'char') !== false) {
return 'string';
}
if (strpos($col, 'text') !== false) {
return 'text';
}
if (strpos($col, 'bytea') !== false) {
return 'binary';
}
if (in_array($col, array('float', 'float4', 'float8', 'double', 'decimal', 'real', 'numeric'))) {
return 'float';
}
return 'text';
}
/**
* Enter description here...
*
* @param unknown_type $results
*/
function resultSet(&$results) {
$this->results =& $results;
$this->map = array();
$num_fields = pg_num_fields($results);
$index = 0;
$j = 0;
while($j < $num_fields) {
$columnName = pg_field_name($results, $j);
if (strpos($columnName, '__')) {
$parts = explode('__', $columnName);
$this->map[$index++]=array($parts[0], $parts[1]);
} else {
$this->map[$index++] = array(0, $columnName);
}
$j++;
}
}
/**
* Fetches the next row from the current result set
*
* @return unknown
*/
function fetchResult() {
if ($row = pg_fetch_row($this->results)) {
$resultRow = array();
$i = 0;
foreach($row as $index => $field) {
list($table, $column) = $this->map[$index];
$resultRow[$table][$column] = $row[$index];
$i++;
}
return $resultRow;
} else {
return false;
}
}
/**
* Translates between PHP boolean values and MySQL (faked) boolean values
*
* @param mixed $data Value to be translated
* @return mixed Converted boolean value
*/
function boolean($data) {
if ($data === true || $data === false) {
if ($data === true) {
return 't';
}
return 'f';
} else {
if (strpos($data, 't') !== false) {
return true;
}
return false;
}
}
}
?>