251 lines
11 KiB
PHP
251 lines
11 KiB
PHP
<?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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* @subpackage Import
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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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* @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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protected $sql = array(
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'listDatabases' => 'SELECT datname FROM pg_database',
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'listFunctions' => "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
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WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema'",
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'listSequences' => "SELECT
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relname
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FROM
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pg_class
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WHERE relkind = 'S' AND relnamespace IN
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(SELECT oid FROM pg_namespace
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WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')",
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'listTables' => "SELECT
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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
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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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'listViews' => 'SELECT viewname FROM pg_views',
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'listUsers' => 'SELECT usename FROM pg_user',
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'listTableConstraints' => "SELECT
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relname
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FROM
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pg_class
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WHERE oid IN (
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SELECT indexrelid
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FROM pg_index, pg_class
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WHERE pg_class.relname = %s
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AND pg_class.oid = pg_index.indrelid
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AND (indisunique = 't' OR indisprimary = 't')
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)",
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'listTableIndexes' => "SELECT
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relname
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FROM
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pg_class
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WHERE oid IN (
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SELECT indexrelid
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FROM pg_index, pg_class
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WHERE pg_class.relname = %s
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AND pg_class.oid=pg_index.indrelid
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AND indisunique != 't'
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AND indisprimary != 't'
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)",
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'listTableColumns' => "SELECT
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a.attnum,
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a.attname AS field,
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t.typname AS type,
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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'
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) 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
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) AS default
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FROM pg_attribute a, pg_class c, pg_type t
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WHERE c.relname = %s
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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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);
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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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/**
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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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{
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$table = $this->conn->quote($table);
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$query = sprintf($this->sql['listTableConstraints'], $table);
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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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{
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$table = $this->conn->quote($table);
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$query = sprintf($this->sql['listTableColumns'], $table);
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$result = $this->conn->fetchAssoc($query);
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$columns = array();
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foreach ($result as $key => $val) {
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$val = array_change_key_case($val, CASE_LOWER);
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if (strtolower($val['type']) === 'varchar') {
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// get length from varchar definition
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$length = preg_replace('~.*\(([0-9]*)\).*~', '$1', $val['complete_type']);
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$val['length'] = $length;
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}
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$decl = $this->conn->dataDict->getPortableDeclaration($val);
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$description = array(
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'name' => $val['field'],
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'ntype' => $val['type'],
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'type' => $decl['type'][0],
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'alltypes' => $decl['type'],
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'length' => $decl['length'],
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'fixed' => $decl['fixed'],
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'unsigned' => $decl['unsigned'],
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'notnull' => ($val['isnotnull'] == true),
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'default' => $val['default'],
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'primary' => ($val['pri'] == 't'),
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);
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$matches = array();
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if (preg_match("/^nextval\('(.*)'(::.*)?\)$/", $description['default'], $matches)) {
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$description['sequence'] = $this->conn->formatter->fixSequenceName($matches[1]);
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$description['default'] = null;
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}
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$columns[$val['field']] = $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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{
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$table = $this->conn->quote($table);
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$query = sprintf($this->sql['listTableIndexes'], $table);
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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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{
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return $this->conn->fetchColumn($this->sql['listTables']);
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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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$query = 'SELECT trg.tgname AS trigger_name
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FROM pg_trigger trg,
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pg_class tbl
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WHERE trg.tgrelid = tbl.oid';
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if ($table !== null) {
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$table = $this->conn->quote(strtoupper($table), 'string');
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$query .= " AND tbl.relname = $table";
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}
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return $this->conn->fetchColumn($query);
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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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{
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return $this->conn->fetchColumn($query);
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}
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} |