Source for file pgsql.php
Documentation is available at pgsql.php
// +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
// | API as well as database abstraction for PHP applications. |
// | This LICENSE is in the BSD license style. |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
// | Lukas Smith nor the names of his contributors may be used to endorse |
// | or promote products derived from this software without specific prior|
// | written permission. |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
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// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
// | POSSIBILITY OF SUCH DAMAGE. |
// +----------------------------------------------------------------------+
// | Author: Paul Cooper <pgc@ucecom.com> |
// +----------------------------------------------------------------------+
// $Id: pgsql.php,v 1.18 2005/04/04 08:08:35 lsmith Exp $
require_once 'MDB2/Driver/Manager/Common.php';
* MDB2 MySQL driver for the management modules
* @author Paul Cooper <pgc@ucecom.com>
* @param string $name name of the database that should be created
* @return mixed MDB2_OK on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
return $db->standaloneQuery (" CREATE DATABASE $name" );
* drop an existing database
* @param string $name name of the database that should be dropped
* @return mixed MDB2_OK on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
return $db->standaloneQuery (" DROP DATABASE $name" );
* alter an existing table
* @param string $name name of the table that is intended to be changed.
* @param array $changes associative array that contains the details of each type
* of change that is intended to be performed. The types of
* changes that are currently supported are defined as follows:
* New name for the table.
* Associative array with the names of fields to be added as
* indexes of the array. The value of each entry of the array
* should be set to another associative array with the properties
* of the fields to be added. The properties of the fields should
* be the same as defined by the Metabase parser.
* Additionally, there should be an entry named Declaration that
* is expected to contain the portion of the field declaration already
* in DBMS specific SQL code as it is used in the CREATE TABLE statement.
* Associative array with the names of fields to be removed as indexes
* of the array. Currently the values assigned to each entry are ignored.
* An empty array should be used for future compatibility.
* Associative array with the names of fields to be renamed as indexes
* of the array. The value of each entry of the array should be set to
* another associative array with the entry named name with the new
* field name and the entry named Declaration that is expected to contain
* the portion of the field declaration already in DBMS specific SQL code
* as it is used in the CREATE TABLE statement.
* Associative array with the names of the fields to be changed as indexes
* of the array. Keep in mind that if it is intended to change either the
* name of a field and any other properties, the changed_fields array entries
* should have the new names of the fields as array indexes.
* The value of each entry of the array should be set to another associative
* array with the properties of the fields to that are meant to be changed as
* array entries. These entries should be assigned to the new values of the
* respective properties. The properties of the fields should be the same
* as defined by the Metabase parser.
* If the default property is meant to be added, removed or changed, there
* should also be an entry with index ChangedDefault assigned to 1. Similarly,
* if the notnull constraint is to be added or removed, there should also be
* an entry with index ChangedNotNull assigned to 1.
* Additionally, there should be an entry named Declaration that is expected
* to contain the portion of the field changed declaration already in DBMS
* specific SQL code as it is used in the CREATE TABLE statement.
* 'added_fields' => array(
* 'declaration' => 'quota INT'
* 'removed_fields' => array(
* 'file_limit' => array(),
* 'time_limit' => array()
* 'changed_fields' => array(
* 'declaration' => "gender CHAR(1) DEFAULT 'M'"
* 'renamed_fields' => array(
* 'declaration' => "gender CHAR(1) DEFAULT 'M'"
* @param boolean $check indicates whether the function should just check if the DBMS driver
* can perform the requested table alterations if the value is true or
* actually perform them otherwise.
* @return mixed MDB2_OK on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
foreach ($changes as $change_name => $change) {
'alterTable: database server does not support dropping table columns');
'alterTable: change type "'. $change_name. '\" not yet supported');
if (isset ($changes['added_fields'])) {
$fields = $changes['added_fields'];
foreach ($fields as $field) {
$result = $db->query (" ALTER TABLE $name ADD ". $field['declaration']);
if (PEAR ::isError ($result)) {
if (isset ($changes['removed_fields'])) {
$fields = $changes['removed_fields'];
foreach ($fields as $field_name => $field) {
$result = $db->query (" ALTER TABLE $name DROP ". $field_name);
if (PEAR ::isError ($result)) {
* @return mixed data array on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$result = $db->standaloneQuery ('SELECT datname FROM pg_database');
$col = $result->fetchCol ();
* @return mixed data array on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$result = $db->standaloneQuery ('SELECT usename FROM pg_user');
$col = $result->fetchCol ();
* list the views in the database
* @return mixed MDB2_OK on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$query = 'SELECT viewname FROM pg_views';
return $db->queryCol ($query);
* list all functions in the current database
* @return mixed data array on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
AND tp.typname <> 'trigger'
(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
return $db->queryCol ($query);
* list all tables in the current database
* @return mixed data array on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
// gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php
$query = 'SELECT c.relname AS "Name"'
. ' FROM pg_class c, pg_user u'
. ' WHERE c.relowner = u.usesysid'
. ' (SELECT 1 FROM pg_views'
. ' WHERE viewname = c.relname)'
. " AND c.relname !~ '^(pg_|sql_)'"
. ' SELECT c.relname AS "Name"'
. " WHERE c.relkind = 'r'"
. ' (SELECT 1 FROM pg_views'
. ' WHERE viewname = c.relname)'
. ' (SELECT 1 FROM pg_user'
. ' WHERE usesysid = c.relowner)'
. " AND c.relname !~ '^pg_'";
return $db->queryCol ($query);
* list all fields in a tables in the current database
* @param string $table name of table that should be used in method
* @return mixed data array on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$result = $db->query (" SELECT * FROM $table" );
if (PEAR ::isError ($result)) {
$columns = $result->getColumnNames ();
if (PEAR ::isError ($columns)) {
// {{{ listTableIndexes()
* list all indexes in a table
* @param string $table name of table that should be used in method
* @return mixed data array on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
return $db->queryCol (" SELECT relname
FROM pg_class WHERE oid IN
(SELECT indexrelid FROM pg_index, pg_class
WHERE (pg_class.relname='$table')
AND (pg_class.oid=pg_index.indrelid))" );
* @param string $seq_name name of the sequence to be created
* @param string $start start value of the sequence; default is 1
* @return mixed MDB2_OK on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$sequence_name = $db->getSequenceName ($seq_name);
return $db->query (" CREATE SEQUENCE $sequence_name INCREMENT 1".
($start < 1 ? " MINVALUE $start" : '')." START $start" );
* @param string $seq_name name of the sequence to be dropped
* @return mixed MDB2_OK on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$sequence_name = $db->getSequenceName ($seq_name);
return $db->query (" DROP SEQUENCE $sequence_name" );
* list all sequences in the current database
* @return mixed data array on success, a MDB2 error on failure
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN";
$query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
$table_names = $db->queryCol ($query);
if (PEAR ::isError ($table_names)) {
for ($i = 0 , $j = count($table_names); $i < $j; ++ $i) {
if ($sqn = $this->_isSequenceName ($table_names[$i]))
Documentation generated on Mon, 11 Mar 2019 14:20:24 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.
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