Added pgsql export driver and updated pgsql datadict driver
This commit is contained in:
zYne
parent
170698690b
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d18688e4f0
@ -24,10 +24,209 @@
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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_Mysql 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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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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* @access public
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*/
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public function getTypeDeclaration(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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$length = !empty($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 $field native field description
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* @return array containing the various possible types, length, sign, fixed
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* @access public
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*/
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function mapNativeDatatype($field) {
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$db_type = preg_replace('/\d/','', strtolower($field['type']) );
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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 = $fixed = null;
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switch ($db_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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$length = null;
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break;
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case 'text':
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case 'varchar':
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$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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219
lib/Doctrine/Export/Pgsql.php
Normal file
219
lib/Doctrine/Export/Pgsql.php
Normal file
@ -0,0 +1,219 @@
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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_Export');
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/**
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* Doctrine_Export_Pgsql
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*
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* @package Doctrine
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* @author Konsta Vesterinen
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @license LGPL
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*/
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class Doctrine_Export_Pgsql extends Doctrine_Export {
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/**
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* create a new database
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*
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* @param string $name name of the database that should be created
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* @throws PDOException
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* @return void
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*/
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public function createDatabase($name) {
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$query = 'CREATE DATABASE ' . $this->conn->quoteIdentifier($name);
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$result = $this->dbh->query($query);
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}
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/**
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* drop an existing database
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*
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* @param string $name name of the database that should be dropped
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* @throws PDOException
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* @access public
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*/
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public function dropDatabase($name) {
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$query = 'DROP DATABASE ' . $this->conn->quoteIdentifier($name);
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$this->dbh->query($query);
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}
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/**
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* alter an existing table
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*
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* @param string $name name of the table that is intended to be changed.
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* @param array $changes associative array that contains the details of each type
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* of change that is intended to be performed. The types of
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* changes that are currently supported are defined as follows:
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*
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* name
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*
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* New name for the table.
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*
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* add
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*
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* Associative array with the names of fields to be added as
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* indexes of the array. The value of each entry of the array
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* should be set to another associative array with the properties
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* of the fields to be added. The properties of the fields should
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* be the same as defined by the Metabase parser.
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*
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*
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* remove
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*
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* Associative array with the names of fields to be removed as indexes
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* of the array. Currently the values assigned to each entry are ignored.
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* An empty array should be used for future compatibility.
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*
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* rename
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*
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* Associative array with the names of fields to be renamed as indexes
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* of the array. The value of each entry of the array should be set to
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* another associative array with the entry named name with the new
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* field name and the entry named Declaration that is expected to contain
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* the portion of the field declaration already in DBMS specific SQL code
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* as it is used in the CREATE TABLE statement.
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*
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* change
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*
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* Associative array with the names of the fields to be changed as indexes
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* of the array. Keep in mind that if it is intended to change either the
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* name of a field and any other properties, the change array entries
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* should have the new names of the fields as array indexes.
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*
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* The value of each entry of the array should be set to another associative
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* array with the properties of the fields to that are meant to be changed as
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* array entries. These entries should be assigned to the new values of the
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* respective properties. The properties of the fields should be the same
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* as defined by the Metabase parser.
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*
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* Example
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* array(
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* 'name' => 'userlist',
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* 'add' => array(
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* 'quota' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* )
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* ),
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* 'remove' => array(
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* 'file_limit' => array(),
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* 'time_limit' => array()
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* ),
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* 'change' => array(
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* 'name' => array(
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* 'length' => '20',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 20,
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* ),
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* )
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* ),
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* 'rename' => array(
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* 'sex' => array(
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* 'name' => 'gender',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 1,
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* 'default' => 'M',
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* ),
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* )
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* )
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* )
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*
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* @param boolean $check indicates whether the function should just check if the DBMS driver
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* can perform the requested table alterations if the value is true or
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* actually perform them otherwise.
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* @throws PDOException
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* @return boolean
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*/
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function alterTable($name, $changes, $check)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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foreach ($changes as $change_name => $change) {
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switch ($change_name) {
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case 'add':
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case 'remove':
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case 'change':
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case 'name':
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case 'rename':
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break;
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default:
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throw new Doctrine_Export_Pgsql_Exception('change type "'.$change_name.'\" not yet supported');
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}
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}
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if ($check) {
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return true;
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}
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if (!empty($changes['add']) && is_array($changes['add'])) {
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foreach ($changes['add'] as $field_name => $field) {
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$query = 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
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$this->dbh->query("ALTER TABLE $name $query");
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}
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}
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if (!empty($changes['remove']) && is_array($changes['remove'])) {
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foreach ($changes['remove'] as $field_name => $field) {
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$field_name = $this->conn->quoteIdentifier($field_name, true);
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$query = 'DROP ' . $field_name;
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$this->dbh->query("ALTER TABLE $name $query");
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}
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}
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if (!empty($changes['change']) && is_array($changes['change'])) {
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foreach ($changes['change'] as $field_name => $field) {
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$field_name = $this->conn->quoteIdentifier($field_name, true);
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if (!empty($field['type'])) {
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$server_info = $db->getServerVersion();
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if (is_array($server_info) && $server_info['major'] < 8)
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throw new Doctrine_Export_Pgsql_Exception('changing column type for "'.$change_name.'\" requires PostgreSQL 8.0 or above');
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$query = "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field['definition']);
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$this->dbh->query("ALTER TABLE $name $query");
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}
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if (array_key_exists('default', $field)) {
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$query = "ALTER $field_name SET DEFAULT ".$db->quote($field['definition']['default'], $field['definition']['type']);
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$this->dbh->query("ALTER TABLE $name $query");
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}
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if (!empty($field['notnull'])) {
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$query = "ALTER $field_name ".($field['definition']['notnull'] ? "SET" : "DROP").' NOT NULL';
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$this->dbh->query("ALTER TABLE $name $query");
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}
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}
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}
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if (!empty($changes['rename']) && is_array($changes['rename'])) {
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foreach ($changes['rename'] as $field_name => $field) {
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$field_name = $this->conn->quoteIdentifier($field_name, true);
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$this->dbh->query("ALTER TABLE $name RENAME COLUMN $field_name TO ".$this->conn->quoteIdentifier($field['name'], true));
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}
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}
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$name = $this->conn->quoteIdentifier($name, true);
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if (!empty($changes['name'])) {
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$change_name = $this->conn->quoteIdentifier($changes['name'], true);
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$this->dbh->query("ALTER TABLE $name RENAME TO ".$change_name);
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}
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}
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}
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?>
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