summaryrefslogtreecommitdiff
path: root/program/lib/MDB2/Driver/Manager/sqlite.php
diff options
context:
space:
mode:
authorsvncommit <devs@roundcube.net>2005-10-27 13:40:37 +0000
committersvncommit <devs@roundcube.net>2005-10-27 13:40:37 +0000
commitc9462d0c1e2493a7399b1dbd21e23b215e97f808 (patch)
treeb31f3af65a271ae651e76d1230737fbd930c27aa /program/lib/MDB2/Driver/Manager/sqlite.php
parent4518342eca8d40f1c25ff877e00379c1e878035f (diff)
added all mdb2 drivers
Diffstat (limited to 'program/lib/MDB2/Driver/Manager/sqlite.php')
-rwxr-xr-xprogram/lib/MDB2/Driver/Manager/sqlite.php375
1 files changed, 375 insertions, 0 deletions
diff --git a/program/lib/MDB2/Driver/Manager/sqlite.php b/program/lib/MDB2/Driver/Manager/sqlite.php
new file mode 100755
index 000000000..3b7f11ea5
--- /dev/null
+++ b/program/lib/MDB2/Driver/Manager/sqlite.php
@@ -0,0 +1,375 @@
+<?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: Lukas Smith <smith@backendmedia.com> |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 SQLite driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@backendmedia.com>
+ */
+class MDB2_Driver_Manager_sqlite 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $database_file = $db->_getDatabaseFile($name);
+ if (file_exists($database_file)) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'createDatabase: database already exists');
+ }
+ $php_errormsg = '';
+ $handle = @sqlite_open($database_file, $db->dsn['mode'], $php_errormsg);
+ if (!$handle) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'createDatabase: '.(isset($php_errormsg) ? $php_errormsg : 'could not create the database file'));
+ }
+ @sqlite_close($handle);
+ 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $database_file = $db->_getDatabaseFile($name);
+ if (!@file_exists($database_file)) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+ 'dropDatabase: database does not exist');
+ }
+ $result = @unlink($database_file);
+ if (!$result) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+ 'dropDatabase: '.(isset($php_errormsg) ? $php_errormsg : 'could not remove the database file'));
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'listDatabases: list databases is not supported');
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ return $db->queryCol('SELECT DISTINCT USER FROM USER');
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables()
+ {
+ $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+ $tables = array();
+ for ($i = 0, $j = count($table_names); $i < $j; ++$i) {
+ if (!$this->_isSequenceName($table_names[$i]))
+ $tables[] = $table_names[$i];
+ }
+ return $tables;
+ }
+
+ // }}}
+ // {{{ 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $query = "SELECT * FROM $table";
+ $db->setLimit(1);
+ $result = $db->query($query);
+ 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 $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
+ *
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
+ *
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function support() to determine whether the DBMS driver can manage indexes.
+
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * ),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createIndex($table, $name, $definition)
+ {
+ $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $query = 'CREATE '.(isset($definition['unique']) ? 'UNIQUE' : '')." INDEX $name ON $table (";
+ $skipped_first = false;
+ foreach ($definition['fields'] as $field_name => $field) {
+ if ($skipped_first) {
+ $query .= ',';
+ }
+ $query .= $field_name;
+ $skipped_first = true;
+ }
+ $query .= ')';
+ return $db->query($query);
+ }
+
+ // }}}
+ // {{{ 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ return $db->query("DROP INDEX $name");
+ }
+
+ // }}}
+ // {{{ 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $query = "SELECT name FROM sqlite_master WHERE type='index' AND tbl_name='$table' AND sql NOT NULL ORDER BY name";
+ $indexes_all = $db->queryCol($query);
+ if (PEAR::isError($indexes_all)) {
+ return $indexes_all;
+ }
+ $found = $indexes = array();
+ foreach ($indexes_all as $index => $index_name) {
+ if ($indexes_all[$index] != 'PRIMARY' && !isset($found[$index_name])) {
+ $indexes[] = $index_name;
+ $found[$index_name] = true;
+ }
+ }
+ return $indexes;
+ }
+
+ // }}}
+ // {{{ 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $sequence_name = $db->getSequenceName($seq_name);
+ $seqcol_name = $db->options['seqcol_name'];
+ $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER PRIMARY KEY DEFAULT 0 NOT NULL)";
+ $res = $db->query($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ if ($start == 1) {
+ return MDB2_OK;
+ }
+ $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');
+ if (!PEAR::isError($res)) {
+ return MDB2_OK;
+ }
+ // Handle error
+ $result = $db->query("DROP TABLE $sequence_name");
+ if (PEAR::isError($result)) {
+ return $db->raiseError(MDB2_ERROR, null, null,
+ 'createSequence: could not drop inconsistent sequence table ('.
+ $result->getMessage().' ('.$result->getUserinfo().'))');
+ }
+ return $db->raiseError(MDB2_ERROR, null, null,
+ 'createSequence: could not create sequence table ('.
+ $res->getMessage().' ('.$res->getUserinfo().'))');
+ }
+
+ // }}}
+ // {{{ 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $sequence_name = $db->getSequenceName($seq_name);
+ return $db->query("DROP TABLE $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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+ $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+ $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;
+ }
+
+ // }}}
+}
+?>