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-<?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: Frank M. Kromann <frank@kromann.info> |
-// | David Coallier <davidc@php.net> |
-// | Lorenzo Alberton <l.alberton@quipo.it> |
-// +----------------------------------------------------------------------+
-//
-// $Id: mssql.php 295587 2010-02-28 17:16:38Z quipo $
-//
-
-require_once 'MDB2/Driver/Manager/Common.php';
-
-// {{{ class MDB2_Driver_Manager_mssql
-
-/**
- * MDB2 MSSQL driver for the management modules
- *
- * @package MDB2
- * @category Database
- * @author Frank M. Kromann <frank@kromann.info>
- * @author David Coallier <davidc@php.net>
- * @author Lorenzo Alberton <l.alberton@quipo.it>
- */
-class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
-{
- // {{{ createDatabase()
- /**
- * create a new database
- *
- * @param string $name name of the database that should be created
- * @param array $options array with collation info
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createDatabase($name, $options = array())
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- $query = "CREATE DATABASE $name";
- if ($db->options['database_device']) {
- $query.= ' ON '.$db->options['database_device'];
- $query.= $db->options['database_size'] ? '=' .
- $db->options['database_size'] : '';
- }
- if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $options['collation'];
- }
- return $db->standaloneQuery($query, null, true);
- }
-
- // }}}
- // {{{ alterDatabase()
-
- /**
- * alter an existing database
- *
- * @param string $name name of the database that is intended to be changed
- * @param array $options array with name, collation info
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function alterDatabase($name, $options = array())
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = '';
- if (!empty($options['name'])) {
- $query .= ' MODIFY NAME = ' .$db->quoteIdentifier($options['name'], true);
- }
- if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $options['collation'];
- }
- if (!empty($query)) {
- $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true) . $query;
- return $db->standaloneQuery($query, null, true);
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ 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;
- }
-
- $name = $db->quoteIdentifier($name, true);
- return $db->standaloneQuery("DROP DATABASE $name", null, true);
- }
-
- // }}}
- // {{{ _getTemporaryTableQuery()
-
- /**
- * Override the parent method.
- *
- * @return string The string required to be placed between "CREATE" and "TABLE"
- * to generate a temporary table, if possible.
- */
- function _getTemporaryTableQuery()
- {
- return '';
- }
-
- // }}}
- // {{{ _getAdvancedFKOptions()
-
- /**
- * Return the FOREIGN KEY query section dealing with non-standard options
- * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
- *
- * @param array $definition
- *
- * @return string
- * @access protected
- */
- function _getAdvancedFKOptions($definition)
- {
- $query = '';
- if (!empty($definition['onupdate'])) {
- $query .= ' ON UPDATE '.$definition['onupdate'];
- }
- if (!empty($definition['ondelete'])) {
- $query .= ' ON DELETE '.$definition['ondelete'];
- }
- return $query;
- }
-
- // }}}
- // {{{ createTable()
-
- /**
- * create a new table
- *
- * @param string $name Name of the database that should be created
- * @param array $fields Associative array that contains the definition of each field of the new table
- * The indexes of the array entries are the names of the fields of the table an
- * the array entry values are associative arrays like those that are meant to be
- * passed with the field definitions to get[Type]Declaration() functions.
- *
- * Example
- * array(
- *
- * 'id' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1,
- * 'notnull' => 1,
- * 'default' => 0,
- * ),
- * 'name' => array(
- * 'type' => 'text',
- * 'length' => 12,
- * ),
- * 'description' => array(
- * 'type' => 'text',
- * 'length' => 12,
- * )
- * );
- * @param array $options An associative array of table options:
- * array(
- * 'comment' => 'Foo',
- * 'temporary' => true|false,
- * );
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createTable($name, $fields, $options = array())
- {
- if (!empty($options['temporary'])) {
- $name = '#'.$name;
- }
- return parent::createTable($name, $fields, $options);
- }
-
- // }}}
- // {{{ truncateTable()
-
- /**
- * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
- * it falls back to a DELETE FROM TABLE query)
- *
- * @param string $name name of the table that should be truncated
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function truncateTable($name)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- return $db->exec("TRUNCATE TABLE $name");
- }
-
- // }}}
- // {{{ vacuum()
-
- /**
- * Optimize (vacuum) all the tables in the db (or only the specified table)
- * and optionally run ANALYZE.
- *
- * @param string $table table name (all the tables if empty)
- * @param array $options an array with driver-specific options:
- * - timeout [int] (in seconds) [mssql-only]
- * - analyze [boolean] [pgsql and mysql]
- * - full [boolean] [pgsql-only]
- * - freeze [boolean] [pgsql-only]
- *
- * NB: you have to run the NSControl Create utility to enable VACUUM
- *
- * @return mixed MDB2_OK success, a MDB2 error on failure
- * @access public
- */
- function vacuum($table = null, $options = array())
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- $timeout = isset($options['timeout']) ? (int)$options['timeout'] : 300;
-
- $query = 'NSControl Create';
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- return $db->exec('EXEC NSVacuum '.$timeout);
- }
-
- // }}}
- // {{{ 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 MDB2 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 MDB2 parser.
- *
- * Example
- * array(
- * 'name' => 'userlist',
- * 'add' => array(
- * 'quota' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * )
- * ),
- * 'remove' => array(
- * 'file_limit' => array(),
- * 'time_limit' => array()
- * ),
- * 'change' => array(
- * 'name' => array(
- * 'length' => '20',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 20,
- * ),
- * )
- * ),
- * 'rename' => array(
- * 'sex' => array(
- * 'name' => 'gender',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 1,
- * 'default' => 'M',
- * ),
- * )
- * )
- * )
- *
- * @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;
- }
- $name_quoted = $db->quoteIdentifier($name, true);
-
- foreach ($changes as $change_name => $change) {
- switch ($change_name) {
- case 'remove':
- case 'rename':
- case 'add':
- case 'change':
- case 'name':
- break;
- default:
- return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
- 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
- }
- }
-
- if ($check) {
- return MDB2_OK;
- }
-
- $idxname_format = $db->getOption('idxname_format');
- $db->setOption('idxname_format', '%s');
-
- if (!empty($changes['remove']) && is_array($changes['remove'])) {
- $result = $this->_dropConflictingIndices($name, array_keys($changes['remove']));
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
- $result = $this->_dropConflictingConstraints($name, array_keys($changes['remove']));
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
-
- $query = '';
- foreach ($changes['remove'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- }
- $field_name = $db->quoteIdentifier($field_name, true);
- $query.= 'COLUMN ' . $field_name;
- }
-
- $result = $db->exec("ALTER TABLE $name_quoted DROP $query");
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
- }
-
- if (!empty($changes['rename']) && is_array($changes['rename'])) {
- foreach ($changes['rename'] as $field_name => $field) {
- $field_name = $db->quoteIdentifier($field_name, true);
- $result = $db->exec("sp_rename '$name_quoted.$field_name', '".$field['name']."', 'COLUMN'");
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
- }
- }
-
- if (!empty($changes['add']) && is_array($changes['add'])) {
- $query = '';
- foreach ($changes['add'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- } else {
- $query.= 'ADD ';
- }
- $query.= $db->getDeclaration($field['type'], $field_name, $field);
- }
-
- $result = $db->exec("ALTER TABLE $name_quoted $query");
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
- }
-
- $dropped_indices = array();
- $dropped_constraints = array();
-
- if (!empty($changes['change']) && is_array($changes['change'])) {
- $dropped = $this->_dropConflictingIndices($name, array_keys($changes['change']));
- if (PEAR::isError($dropped)) {
- $db->setOption('idxname_format', $idxname_format);
- return $dropped;
- }
- $dropped_indices = array_merge($dropped_indices, $dropped);
- $dropped = $this->_dropConflictingConstraints($name, array_keys($changes['change']));
- if (PEAR::isError($dropped)) {
- $db->setOption('idxname_format', $idxname_format);
- return $dropped;
- }
- $dropped_constraints = array_merge($dropped_constraints, $dropped);
-
- foreach ($changes['change'] as $field_name => $field) {
- //MSSQL doesn't allow multiple ALTER COLUMNs in one query
- $query = 'ALTER COLUMN ';
-
- //MSSQL doesn't allow changing the DEFAULT value of a field in altering mode
- if (array_key_exists('default', $field['definition'])) {
- unset($field['definition']['default']);
- }
-
- $query .= $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
- $result = $db->exec("ALTER TABLE $name_quoted $query");
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
- }
- }
-
- // restore the dropped conflicting indices and constraints
- foreach ($dropped_indices as $index_name => $index) {
- $result = $this->createIndex($name, $index_name, $index);
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
- }
- foreach ($dropped_constraints as $constraint_name => $constraint) {
- $result = $this->createConstraint($name, $constraint_name, $constraint);
- if (PEAR::isError($result)) {
- $db->setOption('idxname_format', $idxname_format);
- return $result;
- }
- }
-
- $db->setOption('idxname_format', $idxname_format);
-
- if (!empty($changes['name'])) {
- $new_name = $db->quoteIdentifier($changes['name'], true);
- $result = $db->exec("sp_rename '$name_quoted', '$new_name'");
- if (PEAR::isError($result)) {
- return $result;
- }
- }
-
- return MDB2_OK;
- }
-
- // }}}
- // {{{ _dropConflictingIndices()
-
- /**
- * Drop the indices that prevent a successful ALTER TABLE action
- *
- * @param string $table table name
- * @param array $fields array of names of the fields affected by the change
- *
- * @return array dropped indices definitions
- */
- function _dropConflictingIndices($table, $fields)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $dropped = array();
- $index_names = $this->listTableIndexes($table);
- if (PEAR::isError($index_names)) {
- return $index_names;
- }
- $db->loadModule('Reverse');
- $indexes = array();
- foreach ($index_names as $index_name) {
- $idx_def = $db->reverse->getTableIndexDefinition($table, $index_name);
- if (!PEAR::isError($idx_def)) {
- $indexes[$index_name] = $idx_def;
- }
- }
- foreach ($fields as $field_name) {
- foreach ($indexes as $index_name => $index) {
- if (!isset($dropped[$index_name]) && array_key_exists($field_name, $index['fields'])) {
- $dropped[$index_name] = $index;
- $result = $this->dropIndex($table, $index_name);
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- }
- }
-
- return $dropped;
- }
-
- // }}}
- // {{{ _dropConflictingConstraints()
-
- /**
- * Drop the constraints that prevent a successful ALTER TABLE action
- *
- * @param string $table table name
- * @param array $fields array of names of the fields affected by the change
- *
- * @return array dropped constraints definitions
- */
- function _dropConflictingConstraints($table, $fields)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $dropped = array();
- $constraint_names = $this->listTableConstraints($table);
- if (PEAR::isError($constraint_names)) {
- return $constraint_names;
- }
- $db->loadModule('Reverse');
- $constraints = array();
- foreach ($constraint_names as $constraint_name) {
- $cons_def = $db->reverse->getTableConstraintDefinition($table, $constraint_name);
- if (!PEAR::isError($cons_def)) {
- $constraints[$constraint_name] = $cons_def;
- }
- }
- foreach ($fields as $field_name) {
- foreach ($constraints as $constraint_name => $constraint) {
- if (!isset($dropped[$constraint_name]) && array_key_exists($field_name, $constraint['fields'])) {
- $dropped[$constraint_name] = $constraint;
- $result = $this->dropConstraint($table, $constraint_name);
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- }
- // also drop implicit DEFAULT constraints
- $default = $this->_getTableFieldDefaultConstraint($table, $field_name);
- if (!PEAR::isError($default) && !empty($default)) {
- $result = $this->dropConstraint($table, $default);
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- }
-
- return $dropped;
- }
-
- // }}}
- // {{{ _getTableFieldDefaultConstraint()
-
- /**
- * Get the default constraint for a table field
- *
- * @param string $table name of table that should be used in method
- * @param string $field name of field that should be used in method
- *
- * @return mixed name of default constraint on success, a MDB2 error on failure
- * @access private
- */
- function _getTableFieldDefaultConstraint($table, $field)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $field = $db->quote($field, 'text');
- $query = "SELECT OBJECT_NAME(syscolumns.cdefault)
- FROM syscolumns
- WHERE syscolumns.id = object_id('$table')
- AND syscolumns.name = $field
- AND syscolumns.cdefault <> 0";
- return $db->queryOne($query);
- }
-
- // }}}
- // {{{ listTables()
-
- /**
- * list all tables in the current database
- *
- * @return mixed array of table names on success, a MDB2 error on failure
- * @access public
- */
- function listTables()
- {
- $db = $this->getDBInstance();
-
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'EXEC sp_tables @table_type = "\'TABLE\'"';
- $table_names = $db->queryCol($query, null, 2);
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
- $result = array();
- foreach ($table_names as $table_name) {
- if (!$this->_fixSequenceName($table_name, true)) {
- $result[] = $table_name;
- }
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableFields()
-
- /**
- * list all fields in a table in the current database
- *
- * @param string $table name of table that should be used in method
- *
- * @return mixed array of field names on success, a MDB2 error on failure
- * @access public
- */
- function listTableFields($table)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quote($table, 'text');
- $columns = $db->queryCol("SELECT c.name
- FROM syscolumns c
- LEFT JOIN sysobjects o ON c.id = o.id
- WHERE o.name = $table");
- if (PEAR::isError($columns)) {
- return $columns;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $columns = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $columns);
- }
- return $columns;
- }
-
- // }}}
- // {{{ listTableIndexes()
-
- /**
- * list all indexes in a table
- *
- * @param string $table name of table that should be used in method
- *
- * @return mixed array of index names on success, a MDB2 error on failure
- * @access public
- */
- function listTableIndexes($table)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $key_name = 'INDEX_NAME';
- $pk_name = 'PK_NAME';
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $key_name = strtolower($key_name);
- $pk_name = strtolower($pk_name);
- } else {
- $key_name = strtoupper($key_name);
- $pk_name = strtoupper($pk_name);
- }
- }
- $table = $db->quote($table, 'text');
- $query = "EXEC sp_statistics @table_name=$table";
- $indexes = $db->queryCol($query, 'text', $key_name);
- if (PEAR::isError($indexes)) {
- return $indexes;
- }
- $query = "EXEC sp_pkeys @table_name=$table";
- $pk_all = $db->queryCol($query, 'text', $pk_name);
- $result = array();
- foreach ($indexes as $index) {
- if (!in_array($index, $pk_all) && ($index = $this->_fixIndexName($index))) {
- $result[$index] = true;
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ listDatabases()
-
- /**
- * list all databases
- *
- * @return mixed array of database names on success, a MDB2 error on failure
- * @access public
- */
- function listDatabases()
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->queryCol('SELECT name FROM sys.databases');
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listUsers()
-
- /**
- * list all users
- *
- * @return mixed array of user names on success, a MDB2 error on failure
- * @access public
- */
- function listUsers()
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->queryCol('SELECT DISTINCT loginame FROM master..sysprocesses');
- if (PEAR::isError($result) || empty($result)) {
- return $result;
- }
- foreach (array_keys($result) as $k) {
- $result[$k] = trim($result[$k]);
- }
- return $result;
- }
-
- // }}}
- // {{{ listFunctions()
-
- /**
- * list all functions in the current database
- *
- * @return mixed array of function names on success, a MDB2 error on failure
- * @access public
- */
- function listFunctions()
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name
- FROM sysobjects
- WHERE objectproperty(id, N'IsMSShipped') = 0
- AND (objectproperty(id, N'IsTableFunction') = 1
- OR objectproperty(id, N'IsScalarFunction') = 1)";
- /*
- SELECT ROUTINE_NAME
- FROM INFORMATION_SCHEMA.ROUTINES
- WHERE ROUTINE_TYPE = 'FUNCTION'
- */
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableTriggers()
-
- /**
- * list all triggers in the database that reference a given table
- *
- * @param string table for which all referenced triggers should be found
- *
- * @return mixed array of trigger names on success, otherwise, false which
- * could be a db error if the db is not instantiated or could
- * be the results of the error that occured during the
- * querying of the sysobject module.
- * @access public
- */
- function listTableTriggers($table = null)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quote($table, 'text');
- $query = "SELECT o.name
- FROM sysobjects o
- WHERE xtype = 'TR'
- AND OBJECTPROPERTY(o.id, 'IsMSShipped') = 0";
- if (null !== $table) {
- $query .= " AND object_name(parent_obj) = $table";
- }
-
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
- $db->options['field_case'] == CASE_LOWER)
- {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listViews()
-
- /**
- * list all views in the current database
- *
- * @param string database, the current is default
- *
- * @return mixed array of view names on success, a MDB2 error on failure
- * @access public
- */
- function listViews()
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name
- FROM sysobjects
- WHERE xtype = 'V'";
- /*
- SELECT *
- FROM sysobjects
- WHERE objectproperty(id, N'IsMSShipped') = 0
- AND objectproperty(id, N'IsView') = 1
- */
-
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
- $db->options['field_case'] == CASE_LOWER)
- {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ dropIndex()
-
- /**
- * drop existing index
- *
- * @param string $table name of table that should be used in method
- * @param string $name name of the index to be dropped
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropIndex($table, $name)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- return $db->exec("DROP INDEX $table.$name");
- }
-
- // }}}
- // {{{ listTableConstraints()
-
- /**
- * list all constraints in a table
- *
- * @param string $table name of table that should be used in method
- *
- * @return mixed array of constraint names on success, a MDB2 error on failure
- * @access public
- */
- function listTableConstraints($table)
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- $table = $db->quote($table, 'text');
-
- $query = "SELECT c.constraint_name
- FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
- WHERE c.constraint_catalog = DB_NAME()
- AND c.table_name = $table";
- $constraints = $db->queryCol($query);
- if (PEAR::isError($constraints)) {
- return $constraints;
- }
-
- $result = array();
- foreach ($constraints as $constraint) {
- $constraint = $this->_fixIndexName($constraint);
- if (!empty($constraint)) {
- $result[$constraint] = true;
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ 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 = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
- $query = "CREATE TABLE $sequence_name ($seqcol_name " .
- "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)";
-
- $res = $db->exec($query);
- if (PEAR::isError($res)) {
- return $res;
- }
-
- $query = "SET IDENTITY_INSERT $sequence_name ON ".
- "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)";
- $res = $db->exec($query);
-
- if (!PEAR::isError($res)) {
- return MDB2_OK;
- }
-
- $result = $db->exec("DROP TABLE $sequence_name");
- if (PEAR::isError($result)) {
- return $db->raiseError($result, null, null,
- 'could not drop inconsistent sequence table', __FUNCTION__);
- }
-
- return $db->raiseError($res, null, null,
- 'could not create sequence table', __FUNCTION__);
- }
-
- // }}}
- // {{{ dropSequence()
-
- /**
- * This function drops an 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 = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- return $db->exec("DROP TABLE $sequence_name");
- }
-
- // }}}
- // {{{ listSequences()
-
- /**
- * list all sequences in the current database
- *
- * @return mixed array of sequence names on success, a MDB2 error on failure
- * @access public
- */
- function listSequences()
- {
- $db = $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
- $table_names = $db->queryCol($query);
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
- $result = array();
- foreach ($table_names as $table_name) {
- if ($sqn = $this->_fixSequenceName($table_name, true)) {
- $result[] = $sqn;
- }
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
-}
-
-// }}}
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 13:14:54 +0000