116 lines
3.8 KiB
PHP
116 lines
3.8 KiB
PHP
<?php
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/*
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* $Id: PgSQLDatabaseInfo.php,v 1.11 2006/01/17 19:44:40 hlellelid Exp $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information please see
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* <http://creole.phpdb.org>.
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*/
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require_once 'creole/metadata/DatabaseInfo.php';
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/**
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* MySQL implementation of DatabaseInfo.
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*
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* @author Hans Lellelid <hans@xmpl.org>
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* @version $Revision: 1.11 $
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* @package creole.drivers.pgsql.metadata
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*/
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class PgSQLDatabaseInfo extends DatabaseInfo {
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/**
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* @throws SQLException
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* @return void
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*/
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protected function initTables()
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{
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include_once 'creole/drivers/pgsql/metadata/PgSQLTableInfo.php';
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// Get Database Version
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// TODO: www.php.net/pg_version
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$result = pg_query ($this->conn->getResource(), "SELECT version() as ver");
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if (!$result)
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{
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throw new SQLException ("Failed to select database version");
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} // if (!$result)
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$row = pg_fetch_assoc ($result, 0);
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$arrVersion = sscanf ($row['ver'], '%*s %d.%d');
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$version = sprintf ("%d.%d", $arrVersion[0], $arrVersion[1]);
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// Clean up
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$arrVersion = null;
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$row = null;
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pg_free_result ($result);
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$result = null;
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$result = pg_query($this->conn->getResource(), "SELECT oid, relname FROM pg_class
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WHERE relkind = 'r' AND relnamespace = (SELECT oid
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FROM pg_namespace
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WHERE
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nspname NOT IN ('information_schema','pg_catalog')
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AND nspname NOT LIKE 'pg_temp%'
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AND nspname NOT LIKE 'pg_toast%'
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LIMIT 1)
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ORDER BY relname");
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if (!$result) {
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throw new SQLException("Could not list tables", pg_last_error($this->dblink));
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}
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while ($row = pg_fetch_assoc($result)) {
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$this->tables[strtoupper($row['relname'])] = new PgSQLTableInfo($this, $row['relname'], $version, $row['oid']);
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}
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$this->tablesLoaded = true;
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}
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/**
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* PgSQL sequences.
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*
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* @return void
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* @throws SQLException
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*/
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protected function initSequences()
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{
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$this->sequences = array();
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$result = pg_query($this->conn->getResource(), "SELECT oid, relname FROM pg_class
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WHERE relkind = 'S' AND relnamespace = (SELECT oid
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FROM pg_namespace
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WHERE
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nspname NOT IN ('information_schema','pg_catalog')
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AND nspname NOT LIKE 'pg_temp%'
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AND nspname NOT LIKE 'pg_toast%'
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LIMIT 1)
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ORDER BY relname");
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if (!$result) {
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throw new SQLException("Could not list sequences", pg_last_error($this->dblink));
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}
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while ($row = pg_fetch_assoc($result)) {
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// FIXME -- decide what info we need for sequences & then create a SequenceInfo object (if needed)
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$obj = new stdClass;
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$obj->name = $row['relname'];
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$obj->oid = $row['oid'];
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$this->sequences[strtoupper($row['relname'])] = $obj;
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}
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}
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}
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