Source for file sqlite.php
Documentation is available at sqlite.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 |
// | 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: sqlite.php,v 1.16 2005/04/04 08:09:59 lsmith Exp $
require_once 'MDB2/Driver/Reverse/Common.php';
* MDB2 SQlite driver for the schema reverse engineering module
* @author Lukas Smith <smith@backendmedia.com>
function _getTableColumns ($query)
$start_pos = strpos($query, '(');
$column_def = substr($query, $start_pos+1 , $end_pos- $start_pos-1 );
$column_sql = split(',', $column_def);
$count = count($column_sql);
return $db->raiseError ('unexpected empty table column definition list');
$regexp = '/^([^ ]+) (CHAR|VARCHAR|VARCHAR2|TEXT|INT|INTEGER|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( PRIMARY)?( \(([1-9][0-9]*)(,([1-9][0-9]*))?\))?( DEFAULT (\'[^\']*\'|[^ ]+))?( NOT NULL)?$/i';
for ($i=0 , $j=0; $i< $count; ++ $i) {
if (!preg_match($regexp, $column_sql[$i], $matches)) {
return $db->raiseError ('unexpected table column SQL definition');
$columns[$j]['name'] = $matches[1 ];
if (isset ($matches[5 ]) && strlen($matches[5 ])) {
$columns[$j]['length'] = $matches[5 ];
if (isset ($matches[7 ]) && strlen($matches[7 ])) {
$columns[$j]['decimal'] = $matches[7 ];
if (isset ($matches[9 ]) && strlen($matches[9 ])) {
if (strlen($default) && $default[0 ]== "'") {
$columns[$j]['default'] = $default;
if (isset ($matches[10 ]) && strlen($matches[10 ])) {
$columns[$j]['notnull'] = true;
// {{{ getTableFieldDefinition()
* get the stucture of a field into an array
* @param string $table 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
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
$result = $db->loadModule ('Datatype');
if (PEAR ::isError ($result)) {
$query = " SELECT sql FROM sqlite_master WHERE type='table' AND name='$table'";
$query = $db->queryOne ($query);
if (PEAR ::isError ($query)) {
if (PEAR ::isError ($columns = $this->_getTableColumns ($query))) {
foreach ($columns as $column) {
if ($field_name == $column['name']) {
list ($types, $length) = $db->datatype ->mapNativeDatatype ($column);
if (isset ($column['null']) && $column['null'] != 'YES') {
if (isset ($column['default'])) {
$default = $column['default'];
foreach ($types as $key => $type) {
$definition[0 ][$key] = array ('type' => $type);
$definition[0 ][$key]['notnull'] = true;
$definition[0 ][$key]['default'] = $default;
$definition[0 ][$key]['length'] = $length;
// todo .. handle auto_inrement and primary keys
'getTableFieldDefinition: it was not specified an existing table column');
// {{{ getTableIndexDefinition()
* get the stucture of an index into an array
* @param string $table 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
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
if ($index_name == 'PRIMARY') {
'getTableIndexDefinition: PRIMARY is an hidden index');
$query = " SELECT sql FROM sqlite_master WHERE type='index' AND name='$index_name' AND tbl_name='$table' AND sql NOT NULL ORDER BY name";
$result = $db->query ($query);
if (PEAR ::isError ($result)) {
$columns = $result->getColumnNames ();
if (!isset ($columns[$column])) {
return $db->raiseError ('getTableIndexDefinition: show index does not return the table creation sql');
$unique = strstr($query, ' unique ');
$start_pos = strpos($query, '(');
$column_names = substr($query, $start_pos+1 , $end_pos- $start_pos-1 );
$column_names = split(',', $column_names);
$definition['unique'] = true;
$count = count($column_names);
for ($i=0; $i< $count; ++ $i) {
$column_name = strtok($column_names[$i]," ");
$definition['fields'][$column_name] = array ();
if (!empty ($collation)) {
$definition['fields'][$column_name]['sorting'] = ($collation== 'ASC' ? 'ascending' : 'descending');
if (!isset ($definition['fields'])) {
'getTableIndexDefinition: it was not specified an existing table index');
* Returns information about a table
* @param string $result a string containing the name of a table
* @param int $mode a valid tableInfo mode
* @return array an associative array with the information requested.
* A MDB2_Error object on failure.
* @see MDB2_common::tableInfo()
* @since Method available since Release 1.7.0
$db = & $GLOBALS['_MDB2_databases'][$this->db_index];
* Probably received a table name.
* Create a result resource identifier.
'This DBMS can not obtain tableInfo' .
$case_func = 'strtolower';
$res['num_fields'] = $count;
for ($i = 0; $i < $count; $i++ ) {
if (strpos($id[$i]['type'], '(') !== false ) {
$bits = explode('(', $id[$i]['type']);
$len = rtrim($bits[1 ],')');
$flags .= 'primary_key ';
if ($id[$i]['notnull']) {
if ($id[$i]['dflt_value'] !== null ) {
'table' => $case_func($result),
'name' => $case_func($id[$i]['name']),
$res['order'][$res[$i]['name']] = $i;
$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
Documentation generated on Mon, 11 Mar 2019 14:20:25 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.
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