From 2273d4117fd50ee44dcdaa28fd6444383dc403a0 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 26 Jan 2010 08:45:16 -0500
Subject: [PATCH] - Add support for MDB2's 'sqlsrv' driver (#1486395)
---
program/lib/MDB2/Driver/Reverse/pgsql.php | 1102 ++++++++++++++++++++++++++++++---------------------------
1 files changed, 573 insertions(+), 529 deletions(-)
diff --git a/program/lib/MDB2/Driver/Reverse/pgsql.php b/program/lib/MDB2/Driver/Reverse/pgsql.php
index 7d5c9f1..47ae38e 100644
--- a/program/lib/MDB2/Driver/Reverse/pgsql.php
+++ b/program/lib/MDB2/Driver/Reverse/pgsql.php
@@ -1,530 +1,574 @@
-<?php
-// +----------------------------------------------------------------------+
-// | PHP versions 4 and 5 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
-// | Stig. S. Bakken, Lukas Smith |
-// | All rights reserved. |
-// +----------------------------------------------------------------------+
-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
-// | API as well as database abstraction for PHP applications. |
-// | This LICENSE is in the BSD license style. |
-// | |
-// | Redistribution and use in source and binary forms, with or without |
-// | modification, are permitted provided that the following conditions |
-// | are met: |
-// | |
-// | Redistributions of source code must retain the above copyright |
-// | notice, this list of conditions and the following disclaimer. |
-// | |
-// | Redistributions in binary form must reproduce the above copyright |
-// | notice, this list of conditions and the following disclaimer in the |
-// | documentation and/or other materials provided with the distribution. |
-// | |
-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
-// | Lukas Smith nor the names of his contributors may be used to endorse |
-// | or promote products derived from this software without specific prior|
-// | written permission. |
-// | |
-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
-// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
-// | POSSIBILITY OF SUCH DAMAGE. |
-// +----------------------------------------------------------------------+
-// | Authors: Paul Cooper <pgc@ucecom.com> |
-// | Lorenzo Alberton <l.alberton@quipo.it> |
-// +----------------------------------------------------------------------+
-//
-// $Id: pgsql.php,v 1.70 2008/03/13 20:38:09 quipo Exp $
-
-require_once 'MDB2/Driver/Reverse/Common.php';
-
-/**
- * MDB2 PostGreSQL driver for the schema reverse engineering module
- *
- * @package MDB2
- * @category Database
- * @author Paul Cooper <pgc@ucecom.com>
- * @author Lorenzo Alberton <l.alberton@quipo.it>
- */
-class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
-{
- // {{{ getTableFieldDefinition()
-
- /**
- * Get the structure of a field into an array
- *
- * @param string $table_name name of table that should be used in method
- * @param string $field_name name of field that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function getTableFieldDefinition($table_name, $field_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->loadModule('Datatype', null, true);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- list($schema, $table) = $this->splitTableSchema($table_name);
-
- $query = "SELECT a.attname AS name,
- t.typname AS type,
- CASE a.attlen
- WHEN -1 THEN
- CASE t.typname
- WHEN 'numeric' THEN (a.atttypmod / 65536)
- WHEN 'decimal' THEN (a.atttypmod / 65536)
- WHEN 'money' THEN (a.atttypmod / 65536)
- ELSE CASE a.atttypmod
- WHEN -1 THEN NULL
- ELSE a.atttypmod - 4
- END
- END
- ELSE a.attlen
- END AS length,
- CASE t.typname
- WHEN 'numeric' THEN (a.atttypmod % 65536) - 4
- WHEN 'decimal' THEN (a.atttypmod % 65536) - 4
- WHEN 'money' THEN (a.atttypmod % 65536) - 4
- ELSE 0
- END AS scale,
- a.attnotnull,
- a.atttypmod,
- a.atthasdef,
- (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
- FROM pg_attrdef d
- WHERE d.adrelid = a.attrelid
- AND d.adnum = a.attnum
- AND a.atthasdef
- ) as default
- FROM pg_attribute a,
- pg_class c,
- pg_type t
- WHERE c.relname = ".$db->quote($table, 'text')."
- AND a.atttypid = t.oid
- AND c.oid = a.attrelid
- AND NOT a.attisdropped
- AND a.attnum > 0
- AND a.attname = ".$db->quote($field_name, 'text')."
- ORDER BY a.attnum";
- $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($column)) {
- return $column;
- }
-
- if (empty($column)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table column', __FUNCTION__);
- }
-
- $column = array_change_key_case($column, CASE_LOWER);
- $mapped_datatype = $db->datatype->mapNativeDatatype($column);
- if (PEAR::isError($mapped_datatype)) {
- return $mapped_datatype;
- }
- list($types, $length, $unsigned, $fixed) = $mapped_datatype;
- $notnull = false;
- if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') {
- $notnull = true;
- }
- $default = null;
- if ($column['atthasdef'] === 't'
- && !preg_match("/nextval\('([^']+)'/", $column['default'])
- ) {
- $pattern = '/(\'.*\')::[\w ]+$/i';
- $default = $column['default'];#substr($column['adsrc'], 1, -1);
- if (is_null($default) && $notnull) {
- $default = '';
- } elseif (!empty($default) && preg_match($pattern, $default)) {
- //remove data type cast
- $default = preg_replace ($pattern, '\\1', $default);
- }
- }
- $autoincrement = false;
- if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) {
- $autoincrement = true;
- }
- $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);
- if (!is_null($length)) {
- $definition[0]['length'] = $length;
- }
- if (!is_null($unsigned)) {
- $definition[0]['unsigned'] = $unsigned;
- }
- if (!is_null($fixed)) {
- $definition[0]['fixed'] = $fixed;
- }
- if ($default !== false) {
- $definition[0]['default'] = $default;
- }
- if ($autoincrement !== false) {
- $definition[0]['autoincrement'] = $autoincrement;
- }
- foreach ($types as $key => $type) {
- $definition[$key] = $definition[0];
- if ($type == 'clob' || $type == 'blob') {
- unset($definition[$key]['default']);
- }
- $definition[$key]['type'] = $type;
- $definition[$key]['mdb2type'] = $type;
- }
- return $definition;
- }
-
- // }}}
- // {{{ getTableIndexDefinition()
-
- /**
- * Get the structure of an index into an array
- *
- * @param string $table_name name of table that should be used in method
- * @param string $index_name name of index that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function getTableIndexDefinition($table_name, $index_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- list($schema, $table) = $this->splitTableSchema($table_name);
-
- $query = 'SELECT relname, indkey FROM pg_index, pg_class';
- $query.= ' WHERE pg_class.oid = pg_index.indexrelid';
- $query.= " AND indisunique != 't' AND indisprimary != 't'";
- $query.= ' AND pg_class.relname = %s';
- $index_name_mdb2 = $db->getIndexName($index_name);
- $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($row) || empty($row)) {
- // fallback to the given $index_name, without transformation
- $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC);
- }
- if (PEAR::isError($row)) {
- return $row;
- }
-
- if (empty($row)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table index', __FUNCTION__);
- }
-
- $row = array_change_key_case($row, CASE_LOWER);
-
- $db->loadModule('Manager', null, true);
- $columns = $db->manager->listTableFields($table_name);
-
- $definition = array();
-
- $index_column_numbers = explode(' ', $row['indkey']);
-
- $colpos = 1;
- foreach ($index_column_numbers as $number) {
- $definition['fields'][$columns[($number - 1)]] = array(
- 'position' => $colpos++,
- 'sorting' => 'ascending',
- );
- }
- return $definition;
- }
-
- // }}}
- // {{{ getTableConstraintDefinition()
-
- /**
- * Get the structure of a constraint into an array
- *
- * @param string $table_name name of table that should be used in method
- * @param string $constraint_name name of constraint that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function getTableConstraintDefinition($table_name, $constraint_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- list($schema, $table) = $this->splitTableSchema($table_name);
-
- $query = "SELECT c.oid,
- c.conname AS constraint_name,
- CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\",
- CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\",
- CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\",
- CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\",
- CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable,
- CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred,
- --array_to_string(c.conkey, ' ') AS constraint_key,
- t.relname AS table_name,
- t2.relname AS references_table,
- CASE confupdtype
- WHEN 'a' THEN 'NO ACTION'
- WHEN 'r' THEN 'RESTRICT'
- WHEN 'c' THEN 'CASCADE'
- WHEN 'n' THEN 'SET NULL'
- WHEN 'd' THEN 'SET DEFAULT'
- END AS onupdate,
- CASE confdeltype
- WHEN 'a' THEN 'NO ACTION'
- WHEN 'r' THEN 'RESTRICT'
- WHEN 'c' THEN 'CASCADE'
- WHEN 'n' THEN 'SET NULL'
- WHEN 'd' THEN 'SET DEFAULT'
- END AS ondelete,
- CASE confmatchtype
- WHEN 'u' THEN 'UNSPECIFIED'
- WHEN 'f' THEN 'FULL'
- WHEN 'p' THEN 'PARTIAL'
- END AS match,
- --array_to_string(c.confkey, ' ') AS fk_constraint_key,
- consrc
- FROM pg_constraint c
- LEFT JOIN pg_class t ON c.conrelid = t.oid
- LEFT JOIN pg_class t2 ON c.confrelid = t2.oid
- WHERE c.conname = %s
- AND t.relname = " . $db->quote($table, 'text');
- $constraint_name_mdb2 = $db->getIndexName($constraint_name);
- $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($row) || empty($row)) {
- // fallback to the given $index_name, without transformation
- $constraint_name_mdb2 = $constraint_name;
- $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- }
- if (PEAR::isError($row)) {
- return $row;
- }
-
- if (empty($row)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- $constraint_name . ' is not an existing table constraint', __FUNCTION__);
- }
-
- $row = array_change_key_case($row, CASE_LOWER);
-
- $definition = array(
- 'primary' => (boolean)$row['primary'],
- 'unique' => (boolean)$row['unique'],
- 'foreign' => (boolean)$row['foreign'],
- 'check' => (boolean)$row['check'],
- 'fields' => array(),
- 'references' => array(
- 'table' => $row['references_table'],
- 'fields' => array(),
- ),
- 'deferrable' => (boolean)$row['deferrable'],
- 'initiallydeferred' => (boolean)$row['initiallydeferred'],
- 'onupdate' => $row['onupdate'],
- 'ondelete' => $row['ondelete'],
- 'match' => $row['match'],
- );
-
- $query = 'SELECT a.attname
- FROM pg_constraint c
- LEFT JOIN pg_class t ON c.conrelid = t.oid
- LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)
- WHERE c.conname = %s
- AND t.relname = ' . $db->quote($table, 'text');
- $constraint_name_mdb2 = $db->getIndexName($constraint_name);
- $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
- if (PEAR::isError($fields)) {
- return $fields;
- }
- $colpos = 1;
- foreach ($fields as $field) {
- $definition['fields'][$field] = array(
- 'position' => $colpos++,
- 'sorting' => 'ascending',
- );
- }
-
- if ($definition['foreign']) {
- $query = 'SELECT a.attname
- FROM pg_constraint c
- LEFT JOIN pg_class t ON c.confrelid = t.oid
- LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey)
- WHERE c.conname = %s
- AND t.relname = ' . $db->quote($definition['references']['table'], 'text');
- $constraint_name_mdb2 = $db->getIndexName($constraint_name);
- $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
- if (PEAR::isError($foreign_fields)) {
- return $foreign_fields;
- }
- $colpos = 1;
- foreach ($foreign_fields as $foreign_field) {
- $definition['references']['fields'][$foreign_field] = array(
- 'position' => $colpos++,
- );
- }
- }
-
- if ($definition['check']) {
- $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')");
- // ...
- }
- return $definition;
- }
-
- // }}}
- // {{{ getTriggerDefinition()
-
- /**
- * Get the structure of a trigger into an array
- *
- * EXPERIMENTAL
- *
- * WARNING: this function is experimental and may change the returned value
- * at any time until labelled as non-experimental
- *
- * @param string $trigger name of trigger that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- *
- * @TODO: add support for plsql functions and functions with args
- */
- function getTriggerDefinition($trigger)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT trg.tgname AS trigger_name,
- tbl.relname AS table_name,
- CASE
- WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();'
- ELSE ''
- END AS trigger_body,
- CASE trg.tgtype & cast(2 as int2)
- WHEN 0 THEN 'AFTER'
- ELSE 'BEFORE'
- END AS trigger_type,
- CASE trg.tgtype & cast(28 as int2)
- WHEN 16 THEN 'UPDATE'
- WHEN 8 THEN 'DELETE'
- WHEN 4 THEN 'INSERT'
- WHEN 20 THEN 'INSERT, UPDATE'
- WHEN 28 THEN 'INSERT, UPDATE, DELETE'
- WHEN 24 THEN 'UPDATE, DELETE'
- WHEN 12 THEN 'INSERT, DELETE'
- END AS trigger_event,
- CASE trg.tgenabled
- WHEN 'O' THEN 't'
- ELSE trg.tgenabled
- END AS trigger_enabled,
- obj_description(trg.oid, 'pg_trigger') AS trigger_comment
- FROM pg_trigger trg,
- pg_class tbl,
- pg_proc p
- WHERE trg.tgrelid = tbl.oid
- AND trg.tgfoid = p.oid
- AND trg.tgname = ". $db->quote($trigger, 'text');
- $types = array(
- 'trigger_name' => 'text',
- 'table_name' => 'text',
- 'trigger_body' => 'text',
- 'trigger_type' => 'text',
- 'trigger_event' => 'text',
- 'trigger_comment' => 'text',
- 'trigger_enabled' => 'boolean',
- );
- return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
- }
-
- // }}}
- // {{{ tableInfo()
-
- /**
- * Returns information about a table or a result set
- *
- * NOTE: only supports 'table' and 'flags' if <var>$result</var>
- * is a table name.
- *
- * @param object|string $result MDB2_result object from a query or a
- * string containing the name of a table.
- * While this also accepts a query result
- * resource identifier, this behavior is
- * deprecated.
- * @param int $mode a valid tableInfo mode
- *
- * @return array an associative array with the information requested.
- * A MDB2_Error object on failure.
- *
- * @see MDB2_Driver_Common::tableInfo()
- */
- function tableInfo($result, $mode = null)
- {
- if (is_string($result)) {
- return parent::tableInfo($result, $mode);
- }
-
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
- if (!is_resource($resource)) {
- return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'Could not generate result resource', __FUNCTION__);
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $case_func = 'strtolower';
- } else {
- $case_func = 'strtoupper';
- }
- } else {
- $case_func = 'strval';
- }
-
- $count = @pg_num_fields($resource);
- $res = array();
-
- if ($mode) {
- $res['num_fields'] = $count;
- }
-
- $db->loadModule('Datatype', null, true);
- for ($i = 0; $i < $count; $i++) {
- $res[$i] = array(
- 'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '',
- 'name' => $case_func(@pg_field_name($resource, $i)),
- 'type' => @pg_field_type($resource, $i),
- 'length' => @pg_field_size($resource, $i),
- 'flags' => '',
- );
- $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
- if (PEAR::isError($mdb2type_info)) {
- return $mdb2type_info;
- }
- $res[$i]['mdb2type'] = $mdb2type_info[0][0];
- if ($mode & MDB2_TABLEINFO_ORDER) {
- $res['order'][$res[$i]['name']] = $i;
- }
- if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
- $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
- }
- }
-
- return $res;
- }
-}
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Paul Cooper <pgc@ucecom.com> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 PostGreSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT a.attname AS name,
+ t.typname AS type,
+ CASE a.attlen
+ WHEN -1 THEN
+ CASE t.typname
+ WHEN 'numeric' THEN (a.atttypmod / 65536)
+ WHEN 'decimal' THEN (a.atttypmod / 65536)
+ WHEN 'money' THEN (a.atttypmod / 65536)
+ ELSE CASE a.atttypmod
+ WHEN -1 THEN NULL
+ ELSE a.atttypmod - 4
+ END
+ END
+ ELSE a.attlen
+ END AS length,
+ CASE t.typname
+ WHEN 'numeric' THEN (a.atttypmod % 65536) - 4
+ WHEN 'decimal' THEN (a.atttypmod % 65536) - 4
+ WHEN 'money' THEN (a.atttypmod % 65536) - 4
+ ELSE 0
+ END AS scale,
+ a.attnotnull,
+ a.atttypmod,
+ a.atthasdef,
+ (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
+ FROM pg_attrdef d
+ WHERE d.adrelid = a.attrelid
+ AND d.adnum = a.attnum
+ AND a.atthasdef
+ ) as default
+ FROM pg_attribute a,
+ pg_class c,
+ pg_type t
+ WHERE c.relname = ".$db->quote($table, 'text')."
+ AND a.atttypid = t.oid
+ AND c.oid = a.attrelid
+ AND NOT a.attisdropped
+ AND a.attnum > 0
+ AND a.attname = ".$db->quote($field_name, 'text')."
+ ORDER BY a.attnum";
+ $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($column)) {
+ return $column;
+ }
+
+ if (empty($column)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ $column = array_change_key_case($column, CASE_LOWER);
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') {
+ $notnull = true;
+ }
+ $default = null;
+ if ($column['atthasdef'] === 't'
+ && strpos($column['default'], 'NULL') !== 0
+ && !preg_match("/nextval\('([^']+)'/", $column['default'])
+ ) {
+ $pattern = '/^\'(.*)\'::[\w ]+$/i';
+ $default = $column['default'];#substr($column['adsrc'], 1, -1);
+ if ((null === $default) && $notnull) {
+ $default = '';
+ } elseif (!empty($default) && preg_match($pattern, $default)) {
+ //remove data type cast
+ $default = preg_replace ($pattern, '\\1', $default);
+ }
+ }
+ $autoincrement = false;
+ if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) {
+ $autoincrement = true;
+ }
+ $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);
+ if (null !== $length) {
+ $definition[0]['length'] = $length;
+ }
+ if (null !== $unsigned) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (null !== $fixed) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ if ($autoincrement !== false) {
+ $definition[0]['autoincrement'] = $autoincrement;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the structure of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = 'SELECT relname, indkey FROM pg_index, pg_class';
+ $query.= ' WHERE pg_class.oid = pg_index.indexrelid';
+ $query.= " AND indisunique != 't' AND indisprimary != 't'";
+ $query.= ' AND pg_class.relname = %s';
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+
+ if (empty($row)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+
+ $row = array_change_key_case($row, CASE_LOWER);
+
+ $db->loadModule('Manager', null, true);
+ $columns = $db->manager->listTableFields($table_name);
+
+ $definition = array();
+
+ $index_column_numbers = explode(' ', $row['indkey']);
+
+ $colpos = 1;
+ foreach ($index_column_numbers as $number) {
+ $definition['fields'][$columns[($number - 1)]] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT c.oid,
+ c.conname AS constraint_name,
+ CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\",
+ CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\",
+ CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\",
+ CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\",
+ CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable,
+ CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred,
+ --array_to_string(c.conkey, ' ') AS constraint_key,
+ t.relname AS table_name,
+ t2.relname AS references_table,
+ CASE confupdtype
+ WHEN 'a' THEN 'NO ACTION'
+ WHEN 'r' THEN 'RESTRICT'
+ WHEN 'c' THEN 'CASCADE'
+ WHEN 'n' THEN 'SET NULL'
+ WHEN 'd' THEN 'SET DEFAULT'
+ END AS onupdate,
+ CASE confdeltype
+ WHEN 'a' THEN 'NO ACTION'
+ WHEN 'r' THEN 'RESTRICT'
+ WHEN 'c' THEN 'CASCADE'
+ WHEN 'n' THEN 'SET NULL'
+ WHEN 'd' THEN 'SET DEFAULT'
+ END AS ondelete,
+ CASE confmatchtype
+ WHEN 'u' THEN 'UNSPECIFIED'
+ WHEN 'f' THEN 'FULL'
+ WHEN 'p' THEN 'PARTIAL'
+ END AS match,
+ --array_to_string(c.confkey, ' ') AS fk_constraint_key,
+ consrc
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.conrelid = t.oid
+ LEFT JOIN pg_class t2 ON c.confrelid = t2.oid
+ WHERE c.conname = %s
+ AND t.relname = " . $db->quote($table, 'text');
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $constraint_name_mdb2 = $constraint_name;
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+ $uniqueIndex = false;
+ if (empty($row)) {
+ // We might be looking for a UNIQUE index that was not created
+ // as a constraint but should be treated as such.
+ $query = 'SELECT relname AS constraint_name,
+ indkey,
+ 0 AS "check",
+ 0 AS "foreign",
+ 0 AS "primary",
+ 1 AS "unique",
+ 0 AS deferrable,
+ 0 AS initiallydeferred,
+ NULL AS references_table,
+ NULL AS onupdate,
+ NULL AS ondelete,
+ NULL AS match
+ FROM pg_index, pg_class
+ WHERE pg_class.oid = pg_index.indexrelid
+ AND indisunique = \'t\'
+ AND pg_class.relname = %s';
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $constraint_name_mdb2 = $constraint_name;
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+ if (empty($row)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ $uniqueIndex = true;
+ }
+
+ $row = array_change_key_case($row, CASE_LOWER);
+
+ $definition = array(
+ 'primary' => (boolean)$row['primary'],
+ 'unique' => (boolean)$row['unique'],
+ 'foreign' => (boolean)$row['foreign'],
+ 'check' => (boolean)$row['check'],
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => $row['references_table'],
+ 'fields' => array(),
+ ),
+ 'deferrable' => (boolean)$row['deferrable'],
+ 'initiallydeferred' => (boolean)$row['initiallydeferred'],
+ 'onupdate' => $row['onupdate'],
+ 'ondelete' => $row['ondelete'],
+ 'match' => $row['match'],
+ );
+
+ if ($uniqueIndex) {
+ $db->loadModule('Manager', null, true);
+ $columns = $db->manager->listTableFields($table_name);
+ $index_column_numbers = explode(' ', $row['indkey']);
+ $colpos = 1;
+ foreach ($index_column_numbers as $number) {
+ $definition['fields'][$columns[($number - 1)]] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+ return $definition;
+ }
+
+ $query = 'SELECT a.attname
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.conrelid = t.oid
+ LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)
+ WHERE c.conname = %s
+ AND t.relname = ' . $db->quote($table, 'text');
+ $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+ if (PEAR::isError($fields)) {
+ return $fields;
+ }
+ $colpos = 1;
+ foreach ($fields as $field) {
+ $definition['fields'][$field] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+
+ if ($definition['foreign']) {
+ $query = 'SELECT a.attname
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.confrelid = t.oid
+ LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey)
+ WHERE c.conname = %s
+ AND t.relname = ' . $db->quote($definition['references']['table'], 'text');
+ $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+ if (PEAR::isError($foreign_fields)) {
+ return $foreign_fields;
+ }
+ $colpos = 1;
+ foreach ($foreign_fields as $foreign_field) {
+ $definition['references']['fields'][$foreign_field] = array(
+ 'position' => $colpos++,
+ );
+ }
+ }
+
+ if ($definition['check']) {
+ $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')");
+ // ...
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ *
+ * @TODO: add support for plsql functions and functions with args
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT trg.tgname AS trigger_name,
+ tbl.relname AS table_name,
+ CASE
+ WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();'
+ ELSE ''
+ END AS trigger_body,
+ CASE trg.tgtype & cast(2 as int2)
+ WHEN 0 THEN 'AFTER'
+ ELSE 'BEFORE'
+ END AS trigger_type,
+ CASE trg.tgtype & cast(28 as int2)
+ WHEN 16 THEN 'UPDATE'
+ WHEN 8 THEN 'DELETE'
+ WHEN 4 THEN 'INSERT'
+ WHEN 20 THEN 'INSERT, UPDATE'
+ WHEN 28 THEN 'INSERT, UPDATE, DELETE'
+ WHEN 24 THEN 'UPDATE, DELETE'
+ WHEN 12 THEN 'INSERT, DELETE'
+ END AS trigger_event,
+ CASE trg.tgenabled
+ WHEN 'O' THEN 't'
+ ELSE trg.tgenabled
+ END AS trigger_enabled,
+ obj_description(trg.oid, 'pg_trigger') AS trigger_comment
+ FROM pg_trigger trg,
+ pg_class tbl,
+ pg_proc p
+ WHERE trg.tgrelid = tbl.oid
+ AND trg.tgfoid = p.oid
+ AND trg.tgname = ". $db->quote($trigger, 'text');
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ 'trigger_comment' => 'text',
+ 'trigger_enabled' => 'boolean',
+ );
+ return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+ * is a table name.
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::tableInfo()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_resource($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @pg_num_fields($resource);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '',
+ 'name' => $case_func(@pg_field_name($resource, $i)),
+ 'type' => @pg_field_type($resource, $i),
+ 'length' => @pg_field_size($resource, $i),
+ 'flags' => '',
+ );
+ $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+ if (PEAR::isError($mdb2type_info)) {
+ return $mdb2type_info;
+ }
+ $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ return $res;
+ }
+}
?>
\ No newline at end of file
--
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