added all mdb2 drivers

1 files changed, 570 insertions, 0 deletions

diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php
new file mode 100755
index 000000000..5db3e5ce8
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/pgsql.php
@@ -0,0 +1,570 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 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.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com>                                 |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 MySQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
+{
+    // {{{ createDatabase()
+
+    /**
+     * create a new database
+     *
+     * @param string $name name of the database that should be created
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function createDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->standaloneQuery("CREATE DATABASE $name");
+    }
+
+    // }}}
+    // {{{ dropDatabase()
+
+    /**
+     * drop an existing database
+     *
+     * @param string $name name of the database that should be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function dropDatabase($name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        return $db->standaloneQuery("DROP DATABASE $name");
+    }
+
+    // }}}
+    // {{{ alterTable()
+
+    /**
+     * alter an existing table
+     *
+     * @param string $name name of the table that is intended to be changed.
+     * @param array $changes associative array that contains the details of each type
+     *                              of change that is intended to be performed. The types of
+     *                              changes that are currently supported are defined as follows:
+     *
+     *                              name
+     *
+     *                                 New name for the table.
+     *
+     *                             add
+     *
+     *                                 Associative array with the names of fields to be added as
+     *                                  indexes of the array. The value of each entry of the array
+     *                                  should be set to another associative array with the properties
+     *                                  of the fields to be added. The properties of the fields should
+     *                                  be the same as defined by the Metabase parser.
+     *
+     *
+     *                             remove
+     *
+     *                                 Associative array with the names of fields to be removed as indexes
+     *                                  of the array. Currently the values assigned to each entry are ignored.
+     *                                  An empty array should be used for future compatibility.
+     *
+     *                             rename
+     *
+     *                                 Associative array with the names of fields to be renamed as indexes
+     *                                  of the array. The value of each entry of the array should be set to
+     *                                  another associative array with the entry named name with the new
+     *                                  field name and the entry named Declaration that is expected to contain
+     *                                  the portion of the field declaration already in DBMS specific SQL code
+     *                                  as it is used in the CREATE TABLE statement.
+     *
+     *                             change
+     *
+     *                                 Associative array with the names of the fields to be changed as indexes
+     *                                  of the array. Keep in mind that if it is intended to change either the
+     *                                  name of a field and any other properties, the change array entries
+     *                                  should have the new names of the fields as array indexes.
+     *
+     *                                 The value of each entry of the array should be set to another associative
+     *                                  array with the properties of the fields to that are meant to be changed as
+     *                                  array entries. These entries should be assigned to the new values of the
+     *                                  respective properties. The properties of the fields should be the same
+     *                                  as defined by the Metabase parser.
+     *
+     *                             Example
+     *                                 array(
+     *                                     'name' => 'userlist',
+     *                                     'add' => array(
+     *                                         'quota' => array(
+     *                                             'type' => 'integer',
+     *                                             'unsigned' => 1
+     *                                         )
+     *                                     ),
+     *                                     'remove' => array(
+     *                                         'file_limit' => array(),
+     *                                         'time_limit' => array()
+     *                                         ),
+     *                                     'change' => array(
+     *                                         'gender' => array(
+     *                                             'default' => 'M',
+     *                                         )
+     *                                     ),
+     *                                     'rename' => array(
+     *                                         'sex' => array(
+     *                                             'name' => 'gender',
+     *                                         )
+     *                                     )
+     *                                 )
+     * @param boolean $check indicates whether the function should just check if the DBMS driver
+     *                              can perform the requested table alterations if the value is true or
+     *                              actually perform them otherwise.
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function alterTable($name, $changes, $check)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        foreach ($changes as $change_name => $change) {
+            switch ($change_name) {
+            case 'add':
+            case 'remove':
+            case 'change':
+            case 'name':
+                break;
+            case 'rename':
+            default:
+                return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+                    'alterTable: change type "'.$change_name.'\" not yet supported');
+            }
+        }
+
+        if ($check) {
+            return MDB2_OK;
+        }
+
+        $query = (array_key_exists('name', $changes) ? 'RENAME TO '.$changes['name'] : '');
+
+        if (array_key_exists('add', $changes)) {
+            foreach ($changes['add'] as $field_name => $field) {
+                $type_declaration = $db->getDeclaration($field['type'], $field_name, $field);
+                if (PEAR::isError($type_declaration)) {
+                    return $err;
+                }
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'ADD ' . $type_declaration;
+            }
+        }
+
+        if (array_key_exists('remove', $changes)) {
+            foreach ($changes['remove'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $query.= 'DROP ' . $field_name;
+            }
+        }
+
+        if (array_key_exists('change', $changes)) {
+            // missing support to change DEFAULT and NULLability
+            foreach ($changes['change'] as $field_name => $field) {
+                if ($query) {
+                    $query.= ', ';
+                }
+                $db->loadModule('Datatype');
+                $query.= "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field);
+            }
+        }
+
+        if (!$query) {
+            return MDB2_OK;
+        }
+
+        return $db->query("ALTER TABLE $name $query");
+    }
+
+    // }}}
+    // {{{ listDatabases()
+
+    /**
+     * list all databases
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listDatabases()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->standaloneQuery('SELECT datname FROM pg_database');
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $col = $result->fetchCol();
+        $result->free();
+        return $col;
+    }
+
+    // }}}
+    // {{{ listUsers()
+
+    /**
+     * list all users
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listUsers()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->standaloneQuery('SELECT usename FROM pg_user');
+        if (!MDB2::isResultCommon($result)) {
+            return $result;
+        }
+
+        $col = $result->fetchCol();
+        $result->free();
+        return $col;
+    }
+
+    // }}}
+    // {{{ listViews()
+
+    /**
+     * list the views in the database
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listViews()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT viewname FROM pg_views';
+        return $db->queryCol($query);
+    }
+
+    // }}}
+    // {{{ listFunctions()
+
+    /**
+     * list all functions in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listFunctions()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "
+            SELECT
+                proname
+            FROM
+                pg_proc pr,
+                pg_type tp
+            WHERE
+                tp.oid = pr.prorettype
+                AND pr.proisagg = FALSE
+                AND tp.typname <> 'trigger'
+                AND pr.pronamespace IN
+                    (SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
+        return $db->queryCol($query);
+    }
+
+    // }}}
+    // {{{ listTables()
+
+    /**
+     * list all tables in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listTables()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        // gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php
+        $query = 'SELECT c.relname AS "Name"'
+            . ' FROM pg_class c, pg_user u'
+            . ' WHERE c.relowner = u.usesysid'
+            . " AND c.relkind = 'r'"
+            . ' AND NOT EXISTS'
+            . ' (SELECT 1 FROM pg_views'
+            . '  WHERE viewname = c.relname)'
+            . " AND c.relname !~ '^(pg_|sql_)'"
+            . ' UNION'
+            . ' SELECT c.relname AS "Name"'
+            . ' FROM pg_class c'
+            . " WHERE c.relkind = 'r'"
+            . ' AND NOT EXISTS'
+            . ' (SELECT 1 FROM pg_views'
+            . '  WHERE viewname = c.relname)'
+            . ' AND NOT EXISTS'
+            . ' (SELECT 1 FROM pg_user'
+            . '  WHERE usesysid = c.relowner)'
+            . " AND c.relname !~ '^pg_'";
+        return $db->queryCol($query);
+    }
+
+    // }}}
+    // {{{ listTableFields()
+
+    /**
+     * list all fields in a tables in the current database
+     *
+     * @param string $table name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableFields($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->query("SELECT * FROM $table");
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $columns = $result->getColumnNames();
+        $result->free();
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        return array_flip($columns);
+    }
+
+    // }}}
+    // {{{ createIndex()
+
+    /**
+     * get the stucture of a field into an array
+     *
+     * @param string    $table         name of the table on which the index is to be created
+     * @param string    $name         name of the index to be created
+     * @param array     $definition        associative array that defines properties of the index to be created.
+     *                                 Currently, only one property named FIELDS is supported. This property
+     *                                 is also an associative with the names of the index fields as array
+     *                                 indexes. Each entry of this array is set to another type of associative
+     *                                 array that specifies properties of the index that are specific to
+     *                                 each field.
+     *
+     *                                Currently, only the sorting property is supported. It should be used
+     *                                 to define the sorting direction of the index. It may be set to either
+     *                                 ascending or descending.
+     *
+     *                                Not all DBMS support index sorting direction configuration. The DBMS
+     *                                 drivers of those that do not support it ignore this property. Use the
+     *                                 function supports() to determine whether the DBMS driver can manage indexes.
+     *
+     *                                 Example
+     *                                    array(
+     *                                        'fields' => array(
+     *                                            'user_name' => array(
+     *                                                'sorting' => 'ascending'
+     *                                            ),
+     *                                            'last_login' => array()
+     *                                        )
+     *                                    )
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function createIndex($table, $name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        if (array_key_exists('primary', $definition) && $definition['primary']) {
+            $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY (";
+        } else {
+            $query = 'CREATE';
+            if (array_key_exists('unique', $definition) && $definition['unique']) {
+                $query.= ' UNIQUE';
+            }
+            $query.= " INDEX $name ON $table (";
+        }
+        $query.= implode(', ', array_keys($definition['fields']));
+        $query.= ')';
+
+        return $db->query($query);
+    }
+
+    // }}}
+    // {{{ listTableIndexes()
+
+    /**
+     * list all indexes in a table
+     *
+     * @param string    $table      name of table that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function listTableIndexes($table)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $subquery = "SELECT indexrelid FROM pg_index, pg_class";
+        $subquery.= " WHERE (pg_class.relname='$table') AND (pg_class.oid=pg_index.indrelid)";
+        return $db->queryCol("SELECT relname FROM pg_class WHERE oid IN ($subquery)");
+    }
+
+    // }}}
+    // {{{ createSequence()
+
+    /**
+     * create sequence
+     *
+     * @param string $seq_name name of the sequence to be created
+     * @param string $start start value of the sequence; default is 1
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function createSequence($seq_name, $start = 1)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("CREATE SEQUENCE $sequence_name INCREMENT 1".
+            ($start < 1 ? " MINVALUE $start" : '')." START $start");
+    }
+
+    // }}}
+    // {{{ dropSequence()
+
+    /**
+     * drop existing sequence
+     *
+     * @param string $seq_name name of the sequence to be dropped
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     **/
+    function dropSequence($seq_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $sequence_name = $db->getSequenceName($seq_name);
+        return $db->query("DROP SEQUENCE $sequence_name");
+    }
+
+    // }}}
+    // {{{ listSequences()
+
+    /**
+     * list all sequences in the current database
+     *
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     **/
+    function listSequences()
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN";
+        $query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
+        $table_names = $db->queryCol($query);
+        if (PEAR::isError($table_names)) {
+            return $table_names;
+        }
+        $sequences = array();
+        for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+            if ($sqn = $this->_isSequenceName($table_names[$i]))
+                $sequences[] = $sqn;
+        }
+        return $sequences;
+    }
+}
+?>