386 lines
13 KiB
PHP
386 lines
13 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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/**
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* @package Doctrine
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* @url http://www.phpdoctrine.com
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen
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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 $Id$
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*/
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class Doctrine_DataDict_Pgsql extends Doctrine_DataDict {
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/**
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* Obtain DBMS specific SQL code portion needed to declare an text type
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* field to be used in statements like CREATE TABLE.
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*
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* @param array $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getNativeDeclaration(array $field) {
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switch ($field['type']) {
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case 'string':
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case 'array':
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case 'object':
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case 'varchar':
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case 'char':
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$length = !empty($field['length'])
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? $field['length'] : $db->options['default_text_field_length'];
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$fixed = !empty($field['fixed']) ? $field['fixed'] : false;
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return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
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: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
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case 'clob':
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return 'TEXT';
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case 'blob':
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return 'BYTEA';
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case 'integer':
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if (!empty($field['autoincrement'])) {
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length > 4) {
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return 'BIGSERIAL PRIMARY KEY';
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}
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}
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return 'SERIAL PRIMARY KEY';
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}
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 2) {
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return 'SMALLINT';
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} elseif ($length == 3 || $length == 4) {
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return 'INT';
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} elseif ($length > 4) {
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return 'BIGINT';
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}
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}
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return 'INT';
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case 'boolean':
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return 'BOOLEAN';
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case 'date':
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return 'DATE';
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case 'time':
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return 'TIME without time zone';
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case 'timestamp':
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return 'TIMESTAMP without time zone';
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case 'float':
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return 'FLOAT8';
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case 'decimal':
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$length = !empty($field['length']) ? $field['length'] : 18;
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return 'NUMERIC('.$length.','.$db->options['decimal_places'].')';
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default:
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throw new Doctrine_DataDict_Pgsql_Exception('Unknown field type '. $field['type']);
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}
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}
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/**
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* Maps a native array description of a field to a MDB2 datatype and length
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*
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* @param array $field native field description
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @return array containing the various possible types, length, sign, fixed
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*/
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public function getDoctrineDeclaration(array $field) {
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$length = $field['length'];
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if ($length == '-1' && !empty($field['atttypmod'])) {
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$length = $field['atttypmod'] - 4;
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}
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if ((int)$length <= 0) {
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$length = null;
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}
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$type = array();
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$unsigned = $fixed = null;
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switch (strtolower($field['type'])) {
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case 'smallint':
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case 'int2':
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$type[] = 'integer';
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$unsigned = false;
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$length = 2;
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if ($length == '2') {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/', $field['name'])) {
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$type = array_reverse($type);
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}
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}
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break;
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case 'int':
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case 'int4':
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case 'integer':
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case 'serial':
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case 'serial4':
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$type[] = 'integer';
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$unsigned = false;
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$length = 4;
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break;
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case 'bigint':
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case 'int8':
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case 'bigserial':
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case 'serial8':
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$type[] = 'integer';
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$unsigned = false;
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$length = 8;
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break;
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case 'bool':
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case 'boolean':
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$type[] = 'boolean';
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$length = 1;
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break;
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case 'text':
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case 'varchar':
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$fixed = false;
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case 'unknown':
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case 'char':
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case 'bpchar':
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$type[] = 'text';
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if ($length == '1') {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/', $field['name'])) {
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$type = array_reverse($type);
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}
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} elseif (strstr($db_type, 'text')) {
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$type[] = 'clob';
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}
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if ($fixed !== false) {
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$fixed = true;
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}
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break;
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case 'date':
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$type[] = 'date';
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$length = null;
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break;
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case 'datetime':
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case 'timestamp':
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$type[] = 'timestamp';
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$length = null;
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break;
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case 'time':
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$type[] = 'time';
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$length = null;
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break;
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case 'float':
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case 'double':
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case 'real':
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$type[] = 'float';
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break;
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case 'decimal':
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case 'money':
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case 'numeric':
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$type[] = 'decimal';
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break;
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case 'tinyblob':
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case 'mediumblob':
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case 'longblob':
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case 'blob':
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case 'bytea':
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$type[] = 'blob';
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$length = null;
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break;
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case 'oid':
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$type[] = 'blob';
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$type[] = 'clob';
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$length = null;
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break;
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case 'year':
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$type[] = 'integer';
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$type[] = 'date';
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$length = null;
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break;
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default:
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throw new Doctrine_DataDict_Pgsql_Exception('unknown database attribute type: '.$db_type);
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}
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return array($type, $length, $unsigned, $fixed);
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}
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/**
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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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}
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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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}
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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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}
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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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/**
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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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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableIndexes($table) {
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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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* lists table views
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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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/**
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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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}
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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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}
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}
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