223 lines
7.9 KiB
PHP
223 lines
7.9 KiB
PHP
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<?php
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/*
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* $Id$
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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, see
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* <http://www.phpdoctrine.com>.
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*/
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Doctrine::autoload('Doctrine_Import');
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/**
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* @package Doctrine
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Paul Cooper <pgc@ucecom.com>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @version $Revision$
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* @category Object Relational Mapping
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* @link www.phpdoctrine.com
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* @since 1.0
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*/
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class Doctrine_Import_Pgsql extends Doctrine_Import {
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/**
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* listDatabases
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* lists all databases
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*
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* @return array
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*/
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public function listDatabases() {
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$query = 'SELECT datname FROM pg_database';
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return $this->conn->fetchColumn($query);
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}
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/**
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* lists all availible database functions
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*
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* @return array
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*/
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public function listFunctions() {
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$query = "
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SELECT
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proname
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FROM
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pg_proc pr,
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pg_type tp
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WHERE
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tp.oid = pr.prorettype
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AND pr.proisagg = FALSE
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AND tp.typname <> 'trigger'
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AND pr.pronamespace IN
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(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
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return $this->conn->fetchColumn($query);
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}
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/**
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* lists all database triggers
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*
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* @param string|null $database
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* @return array
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*/
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public function listTriggers($database = null) {
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}
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/**
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* lists all database sequences
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*
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* @param string|null $database
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* @return array
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*/
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public function listSequences($database = null) {
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$query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN";
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$query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
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return $this->conn->fetchColumn($query);
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableConstraints($table) {
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$table = $db->quote($table, 'text');
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$subquery = "SELECT indexrelid FROM pg_index, pg_class";
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$subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND (indisunique = 't' OR indisprimary = 't')";
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$query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
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return $this->conn->fetchColumn($query);
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableColumns($table) {
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$sql = "SELECT a.attnum, a.attname AS field, t.typname AS type, format_type(a.atttypid, a.atttypmod) AS complete_type, "
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. "a.attnotnull AS isnotnull, "
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. "( SELECT 't' "
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. "FROM pg_index "
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. "WHERE c.oid = pg_index.indrelid "
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. "AND pg_index.indkey[0] = a.attnum "
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. "AND pg_index.indisprimary = 't') AS pri, "
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. "(SELECT pg_attrdef.adsrc "
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. "FROM pg_attrdef "
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. "WHERE c.oid = pg_attrdef.adrelid "
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. "AND pg_attrdef.adnum=a.attnum) AS default "
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. "FROM pg_attribute a, pg_class c, pg_type t "
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. "WHERE c.relname = '" . $table . "' "
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. "AND a.attnum > 0 "
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. "AND a.attrelid = c.oid "
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. "AND a.atttypid = t.oid "
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. "ORDER BY a.attnum ";
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$result = $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
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$columns = array();
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foreach ($result as $key => $val) {
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if ($val['type'] === 'varchar') {
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// need to add length to the type so we are compatible with
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// Zend_Db_Adapter_Pdo_Pgsql!
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$length = preg_replace('~.*\(([0-9]*)\).*~', '$1', $val['complete_type']);
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$val['type'] .= '(' . $length . ')';
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}
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$description = array(
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'name' => $val['field'],
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'type' => $val['type'],
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'notnull' => ($val['isnotnull'] == ''),
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'default' => $val['default'],
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'primary' => ($val['pri'] == 't'),
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);
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$columns[$val['field']] = new Doctrine_Schema_Column($description);
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}
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return $columns;
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}
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/**
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* list all indexes in a table
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableIndexes($table) {
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$table = $db->quote($table, 'text');
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$subquery = "SELECT indexrelid FROM pg_index, pg_class";
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$subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND indisunique != 't' AND indisprimary != 't'";
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$query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
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return $this->conn->fetchColumn($query);
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}
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/**
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* lists tables
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*
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* @param string|null $database
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* @return array
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*/
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public function listTables($database = null) {
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$sql = "SELECT c.relname AS table_name "
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. "FROM pg_class c, pg_user u "
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. "WHERE c.relowner = u.usesysid AND c.relkind = 'r' "
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. "AND NOT EXISTS (SELECT 1 FROM pg_views WHERE viewname = c.relname) "
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. "AND c.relname !~ '^(pg_|sql_)' "
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. "UNION "
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. "SELECT c.relname AS table_name "
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. "FROM pg_class c "
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. "WHERE c.relkind = 'r' "
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. "AND NOT EXISTS (SELECT 1 FROM pg_views WHERE viewname = c.relname) "
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. "AND NOT EXISTS (SELECT 1 FROM pg_user WHERE usesysid = c.relowner) "
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. "AND c.relname !~ '^pg_'";
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return $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* lists table triggers
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableTriggers($table) {
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}
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/**
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* list the views in the database that reference a given table
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableViews($table) {
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$query = 'SELECT viewname FROM pg_views';
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return $this->conn->fetchColumn($query);
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}
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/**
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* lists database users
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*
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* @return array
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*/
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public function listUsers() {
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$query = 'SELECT usename FROM pg_user';
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return $this->conn->fetchColumn($query);
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}
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/**
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* lists database views
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*
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* @param string|null $database
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* @return array
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*/
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public function listViews($database = null) {
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$query = 'SELECT viewname FROM pg_views';
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return $this->conn->fetchColumn($query);
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}
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}
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