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-rw-r--r--program/lib/MDB2/Driver/Reverse/sqlite.php1192
1 files changed, 608 insertions, 584 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/sqlite.php b/program/lib/MDB2/Driver/Reverse/sqlite.php
index abd9cbcfb..6fb638298 100644
--- a/program/lib/MDB2/Driver/Reverse/sqlite.php
+++ b/program/lib/MDB2/Driver/Reverse/sqlite.php
@@ -1,585 +1,609 @@
-<?php
-// +----------------------------------------------------------------------+
-// | PHP versions 4 and 5 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
-// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton |
-// | 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: Lukas Smith <smith@pooteeweet.org> |
-// | Lorenzo Alberton <l.alberton@quipo.it> |
-// +----------------------------------------------------------------------+
-//
-// $Id: sqlite.php,v 1.79 2008/03/05 11:08:53 quipo Exp $
-//
-
-require_once 'MDB2/Driver/Reverse/Common.php';
-
-/**
- * MDB2 SQlite driver for the schema reverse engineering module
- *
- * @package MDB2
- * @category Database
- * @author Lukas Smith <smith@pooteeweet.org>
- */
-class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common
-{
- function _getTableColumns($sql)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- $start_pos = strpos($sql, '(');
- $end_pos = strrpos($sql, ')');
- $column_def = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
- // replace the decimal length-places-separator with a colon
- $column_def = preg_replace('/(\d),(\d)/', '\1:\2', $column_def);
- $column_sql = split(',', $column_def);
- $columns = array();
- $count = count($column_sql);
- if ($count == 0) {
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'unexpected empty table column definition list', __FUNCTION__);
- }
- $regexp = '/^\s*([^\s]+) +(CHAR|VARCHAR|VARCHAR2|TEXT|BOOLEAN|SMALLINT|INT|INTEGER|DECIMAL|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( ?\(([1-9][0-9]*)(:([1-9][0-9]*))?\))?( UNSIGNED)?( PRIMARY KEY)?( DEFAULT (\'[^\']*\'|[^ ]+))?( NULL| NOT NULL)?( PRIMARY KEY)?$/i';
- $regexp2 = '/^\s*([^ ]+) +(PRIMARY|UNIQUE|CHECK)$/i';
- for ($i=0, $j=0; $i<$count; ++$i) {
- if (!preg_match($regexp, trim($column_sql[$i]), $matches)) {
- if (!preg_match($regexp2, trim($column_sql[$i]))) {
- continue;
- }
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'unexpected table column SQL definition: "'.$column_sql[$i].'"', __FUNCTION__);
- }
- $columns[$j]['name'] = trim($matches[1], implode('', $db->identifier_quoting));
- $columns[$j]['type'] = strtolower($matches[2]);
- if (isset($matches[4]) && strlen($matches[4])) {
- $columns[$j]['length'] = $matches[4];
- }
- if (isset($matches[6]) && strlen($matches[6])) {
- $columns[$j]['decimal'] = $matches[6];
- }
- if (isset($matches[7]) && strlen($matches[7])) {
- $columns[$j]['unsigned'] = true;
- }
- if (isset($matches[8]) && strlen($matches[8])) {
- $columns[$j]['autoincrement'] = true;
- }
- if (isset($matches[10]) && strlen($matches[10])) {
- $default = $matches[10];
- if (strlen($default) && $default[0]=="'") {
- $default = str_replace("''", "'", substr($default, 1, strlen($default)-2));
- }
- if ($default === 'NULL') {
- $default = null;
- }
- $columns[$j]['default'] = $default;
- }
- if (isset($matches[11]) && strlen($matches[11])) {
- $columns[$j]['notnull'] = ($matches[11] === ' NOT NULL');
- }
- ++$j;
- }
- return $columns;
- }
-
- // {{{ getTableFieldDefinition()
-
- /**
- * Get the stucture of a field into an array
- *
- * @param string $table_name name of table that should be used in method
- * @param string $field_name name of field that should be used in method
- * @return mixed data array on success, a MDB2 error on failure.
- * The returned array contains an array for each field definition,
- * with (some of) these indices:
- * [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]
- * @access public
- */
- function getTableFieldDefinition($table_name, $field_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- list($schema, $table) = $this->splitTableSchema($table_name);
-
- $result = $db->loadModule('Datatype', null, true);
- if (PEAR::isError($result)) {
- return $result;
- }
- $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
- } else {
- $query.= 'name='.$db->quote($table, 'text');
- }
- $sql = $db->queryOne($query);
- if (PEAR::isError($sql)) {
- return $sql;
- }
- $columns = $this->_getTableColumns($sql);
- foreach ($columns as $column) {
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $column['name'] = strtolower($column['name']);
- } else {
- $column['name'] = strtoupper($column['name']);
- }
- } else {
- $column = array_change_key_case($column, $db->options['field_case']);
- }
- if ($field_name == $column['name']) {
- $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['notnull'])) {
- $notnull = $column['notnull'];
- }
- $default = false;
- if (array_key_exists('default', $column)) {
- $default = $column['default'];
- if (is_null($default) && $notnull) {
- $default = '';
- }
- }
- $autoincrement = false;
- if (!empty($column['autoincrement'])) {
- $autoincrement = true;
- }
-
- $definition[0] = array(
- 'notnull' => $notnull,
- 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
- );
- if (!is_null($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;
- }
- }
-
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table column', __FUNCTION__);
- }
-
- // }}}
- // {{{ getTableIndexDefinition()
-
- /**
- * Get the stucture 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);
-
- $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
- } else {
- $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
- }
- $query.= ' AND sql NOT NULL ORDER BY name';
- $index_name_mdb2 = $db->getIndexName($index_name);
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $qry = sprintf($query, $db->quote(strtolower($index_name_mdb2), 'text'));
- } else {
- $qry = sprintf($query, $db->quote($index_name_mdb2, 'text'));
- }
- $sql = $db->queryOne($qry, 'text');
- if (PEAR::isError($sql) || empty($sql)) {
- // fallback to the given $index_name, without transformation
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $qry = sprintf($query, $db->quote(strtolower($index_name), 'text'));
- } else {
- $qry = sprintf($query, $db->quote($index_name, 'text'));
- }
- $sql = $db->queryOne($qry, 'text');
- }
- if (PEAR::isError($sql)) {
- return $sql;
- }
- if (!$sql) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table index', __FUNCTION__);
- }
-
- $sql = strtolower($sql);
- $start_pos = strpos($sql, '(');
- $end_pos = strrpos($sql, ')');
- $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
- $column_names = split(',', $column_names);
-
- if (preg_match("/^create unique/", $sql)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table index', __FUNCTION__);
- }
-
- $definition = array();
- $count = count($column_names);
- for ($i=0; $i<$count; ++$i) {
- $column_name = strtok($column_names[$i], ' ');
- $collation = strtok(' ');
- $definition['fields'][$column_name] = array(
- 'position' => $i+1
- );
- if (!empty($collation)) {
- $definition['fields'][$column_name]['sorting'] =
- ($collation=='ASC' ? 'ascending' : 'descending');
- }
- }
-
- if (empty($definition['fields'])) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table index', __FUNCTION__);
- }
- return $definition;
- }
-
- // }}}
- // {{{ getTableConstraintDefinition()
-
- /**
- * Get the stucture 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);
-
- $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
- } else {
- $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
- }
- $query.= ' AND sql NOT NULL ORDER BY name';
- $constraint_name_mdb2 = $db->getIndexName($constraint_name);
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $qry = sprintf($query, $db->quote(strtolower($constraint_name_mdb2), 'text'));
- } else {
- $qry = sprintf($query, $db->quote($constraint_name_mdb2, 'text'));
- }
- $sql = $db->queryOne($qry, 'text');
- if (PEAR::isError($sql) || empty($sql)) {
- // fallback to the given $index_name, without transformation
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $qry = sprintf($query, $db->quote(strtolower($constraint_name), 'text'));
- } else {
- $qry = sprintf($query, $db->quote($constraint_name, 'text'));
- }
- $sql = $db->queryOne($qry, 'text');
- }
- if (PEAR::isError($sql)) {
- return $sql;
- }
- //default values, eventually overridden
- $definition = array(
- 'primary' => false,
- 'unique' => false,
- 'foreign' => false,
- 'check' => false,
- 'fields' => array(),
- 'references' => array(
- 'table' => '',
- 'fields' => array(),
- ),
- 'onupdate' => '',
- 'ondelete' => '',
- 'match' => '',
- 'deferrable' => false,
- 'initiallydeferred' => false,
- );
- if (!$sql) {
- $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
- } else {
- $query.= 'name='.$db->quote($table, 'text');
- }
- $query.= " AND sql NOT NULL ORDER BY name";
- $sql = $db->queryOne($query, 'text');
- if (PEAR::isError($sql)) {
- return $sql;
- }
- if ($constraint_name == 'primary') {
- // search in table definition for PRIMARY KEYs
- if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $sql, $tmp)) {
- $definition['primary'] = true;
- $definition['fields'] = array();
- $column_names = split(',', $tmp[1]);
- $colpos = 1;
- foreach ($column_names as $column_name) {
- $definition['fields'][trim($column_name)] = array(
- 'position' => $colpos++
- );
- }
- return $definition;
- }
- if (preg_match("/\"([^\"]+)\"[^\,\"]+\bPRIMARY\s+KEY\b[^\,\)]*/i", $sql, $tmp)) {
- $definition['primary'] = true;
- $definition['fields'] = array();
- $column_names = split(',', $tmp[1]);
- $colpos = 1;
- foreach ($column_names as $column_name) {
- $definition['fields'][trim($column_name)] = array(
- 'position' => $colpos++
- );
- }
- return $definition;
- }
- } else {
- // search in table definition for FOREIGN KEYs
- $pattern = "/\bCONSTRAINT\b\s+%s\s+
- \bFOREIGN\s+KEY\b\s*\(([^\)]+)\)\s*
- \bREFERENCES\b\s+([^\s]+)\s*\(([^\)]+)\)\s*
- (?:\bMATCH\s*([^\s]+))?\s*
- (?:\bON\s+UPDATE\s+([^\s,\)]+))?\s*
- (?:\bON\s+DELETE\s+([^\s,\)]+))?\s*
- /imsx";
- $found_fk = false;
- if (preg_match(sprintf($pattern, $constraint_name_mdb2), $sql, $tmp)) {
- $found_fk = true;
- } elseif (preg_match(sprintf($pattern, $constraint_name), $sql, $tmp)) {
- $found_fk = true;
- }
- if ($found_fk) {
- $definition['foreign'] = true;
- $definition['match'] = 'SIMPLE';
- $definition['onupdate'] = 'NO ACTION';
- $definition['ondelete'] = 'NO ACTION';
- $definition['references']['table'] = $tmp[2];
- $column_names = split(',', $tmp[1]);
- $colpos = 1;
- foreach ($column_names as $column_name) {
- $definition['fields'][trim($column_name)] = array(
- 'position' => $colpos++
- );
- }
- $referenced_cols = split(',', $tmp[3]);
- $colpos = 1;
- foreach ($referenced_cols as $column_name) {
- $definition['references']['fields'][trim($column_name)] = array(
- 'position' => $colpos++
- );
- }
- if (isset($tmp[4])) {
- $definition['match'] = $tmp[4];
- }
- if (isset($tmp[5])) {
- $definition['onupdate'] = $tmp[5];
- }
- if (isset($tmp[6])) {
- $definition['ondelete'] = $tmp[6];
- }
- return $definition;
- }
- }
- $sql = false;
- }
- if (!$sql) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- $constraint_name . ' is not an existing table constraint', __FUNCTION__);
- }
-
- $sql = strtolower($sql);
- $start_pos = strpos($sql, '(');
- $end_pos = strrpos($sql, ')');
- $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
- $column_names = split(',', $column_names);
-
- if (!preg_match("/^create unique/", $sql)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- $constraint_name . ' is not an existing table constraint', __FUNCTION__);
- }
-
- $definition['unique'] = true;
- $count = count($column_names);
- for ($i=0; $i<$count; ++$i) {
- $column_name = strtok($column_names[$i]," ");
- $collation = strtok(" ");
- $definition['fields'][$column_name] = array(
- 'position' => $i+1
- );
- if (!empty($collation)) {
- $definition['fields'][$column_name]['sorting'] =
- ($collation=='ASC' ? 'ascending' : 'descending');
- }
- }
-
- if (empty($definition['fields'])) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- $constraint_name . ' is not an existing table constraint', __FUNCTION__);
- }
- 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 $trigger name of trigger that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function getTriggerDefinition($trigger)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name as trigger_name,
- tbl_name AS table_name,
- sql AS trigger_body,
- NULL AS trigger_type,
- NULL AS trigger_event,
- NULL AS trigger_comment,
- 1 AS trigger_enabled
- FROM sqlite_master
- WHERE type='trigger'";
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $query.= ' AND LOWER(name)='.$db->quote(strtolower($trigger), 'text');
- } else {
- $query.= ' AND name='.$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',
- );
- $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($def)) {
- return $def;
- }
- if (empty($def)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing trigger', __FUNCTION__);
- }
- if (preg_match("/^create\s+(?:temp|temporary)?trigger\s+(?:if\s+not\s+exists\s+)?.*(before|after)?\s+(insert|update|delete)/Uims", $def['trigger_body'], $tmp)) {
- $def['trigger_type'] = strtoupper($tmp[1]);
- $def['trigger_event'] = strtoupper($tmp[2]);
- }
- return $def;
- }
-
- // }}}
- // {{{ tableInfo()
-
- /**
- * Returns information about a table
- *
- * @param string $result a string containing the name of a table
- * @param int $mode a valid tableInfo mode
- *
- * @return array an associative array with the information requested.
- * A MDB2_Error object on failure.
- *
- * @see MDB2_Driver_Common::tableInfo()
- * @since Method available since Release 1.7.0
- */
- function tableInfo($result, $mode = null)
- {
- if (is_string($result)) {
- return parent::tableInfo($result, $mode);
- }
-
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null,
- 'This DBMS can not obtain tableInfo from result sets', __FUNCTION__);
- }
-}
-
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton |
+// | 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: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 SQlite driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common
+{
+ /**
+ * Remove SQL comments from the field definition
+ *
+ * @access private
+ */
+ function _removeComments($sql) {
+ $lines = explode("\n", $sql);
+ foreach ($lines as $k => $line) {
+ $pieces = explode('--', $line);
+ if (count($pieces) > 1 && (substr_count($pieces[0], '\'') % 2) == 0) {
+ $lines[$k] = substr($line, 0, strpos($line, '--'));
+ }
+ }
+ return implode("\n", $lines);
+ }
+
+ /**
+ *
+ */
+ function _getTableColumns($sql)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $start_pos = strpos($sql, '(');
+ $end_pos = strrpos($sql, ')');
+ $column_def = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+ // replace the decimal length-places-separator with a colon
+ $column_def = preg_replace('/(\d),(\d)/', '\1:\2', $column_def);
+ $column_def = $this->_removeComments($column_def);
+ $column_sql = explode(',', $column_def);
+ $columns = array();
+ $count = count($column_sql);
+ if ($count == 0) {
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unexpected empty table column definition list', __FUNCTION__);
+ }
+ $regexp = '/^\s*([^\s]+) +(CHAR|VARCHAR|VARCHAR2|TEXT|BOOLEAN|SMALLINT|INT|INTEGER|DECIMAL|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( ?\(([1-9][0-9]*)(:([1-9][0-9]*))?\))?( NULL| NOT NULL)?( UNSIGNED)?( NULL| NOT NULL)?( PRIMARY KEY)?( DEFAULT (\'[^\']*\'|[^ ]+))?( NULL| NOT NULL)?( PRIMARY KEY)?(\s*\-\-.*)?$/i';
+ $regexp2 = '/^\s*([^ ]+) +(PRIMARY|UNIQUE|CHECK)$/i';
+ for ($i=0, $j=0; $i<$count; ++$i) {
+ if (!preg_match($regexp, trim($column_sql[$i]), $matches)) {
+ if (!preg_match($regexp2, trim($column_sql[$i]))) {
+ continue;
+ }
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unexpected table column SQL definition: "'.$column_sql[$i].'"', __FUNCTION__);
+ }
+ $columns[$j]['name'] = trim($matches[1], implode('', $db->identifier_quoting));
+ $columns[$j]['type'] = strtolower($matches[2]);
+ if (isset($matches[4]) && strlen($matches[4])) {
+ $columns[$j]['length'] = $matches[4];
+ }
+ if (isset($matches[6]) && strlen($matches[6])) {
+ $columns[$j]['decimal'] = $matches[6];
+ }
+ if (isset($matches[8]) && strlen($matches[8])) {
+ $columns[$j]['unsigned'] = true;
+ }
+ if (isset($matches[9]) && strlen($matches[9])) {
+ $columns[$j]['autoincrement'] = true;
+ }
+ if (isset($matches[12]) && strlen($matches[12])) {
+ $default = $matches[12];
+ if (strlen($default) && $default[0]=="'") {
+ $default = str_replace("''", "'", substr($default, 1, strlen($default)-2));
+ }
+ if ($default === 'NULL') {
+ $default = null;
+ }
+ $columns[$j]['default'] = $default;
+ }
+ if (isset($matches[7]) && strlen($matches[7])) {
+ $columns[$j]['notnull'] = ($matches[7] === ' NOT NULL');
+ } else if (isset($matches[9]) && strlen($matches[9])) {
+ $columns[$j]['notnull'] = ($matches[9] === ' NOT NULL');
+ } else if (isset($matches[13]) && strlen($matches[13])) {
+ $columns[$j]['notnull'] = ($matches[13] === ' NOT NULL');
+ }
+ ++$j;
+ }
+ return $columns;
+ }
+
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure.
+ * The returned array contains an array for each field definition,
+ * with (some of) these indices:
+ * [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name='.$db->quote($table, 'text');
+ }
+ $sql = $db->queryOne($query);
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ $columns = $this->_getTableColumns($sql);
+ foreach ($columns as $column) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['name'] = strtolower($column['name']);
+ } else {
+ $column['name'] = strtoupper($column['name']);
+ }
+ } else {
+ $column = array_change_key_case($column, $db->options['field_case']);
+ }
+ if ($field_name == $column['name']) {
+ $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['notnull'])) {
+ $notnull = $column['notnull'];
+ }
+ $default = false;
+ if (array_key_exists('default', $column)) {
+ $default = $column['default'];
+ if ((null === $default) && $notnull) {
+ $default = '';
+ }
+ }
+ $autoincrement = false;
+ if (!empty($column['autoincrement'])) {
+ $autoincrement = true;
+ }
+
+ $definition[0] = array(
+ 'notnull' => $notnull,
+ 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $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;
+ }
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the stucture 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);
+
+ $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
+ }
+ $query.= ' AND sql NOT NULL ORDER BY name';
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($index_name_mdb2), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($index_name_mdb2, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ if (PEAR::isError($sql) || empty($sql)) {
+ // fallback to the given $index_name, without transformation
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($index_name), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($index_name, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ }
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ if (!$sql) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+
+ $sql = strtolower($sql);
+ $start_pos = strpos($sql, '(');
+ $end_pos = strrpos($sql, ')');
+ $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+ $column_names = explode(',', $column_names);
+
+ if (preg_match("/^create unique/", $sql)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+
+ $definition = array();
+ $count = count($column_names);
+ for ($i=0; $i<$count; ++$i) {
+ $column_name = strtok($column_names[$i], ' ');
+ $collation = strtok(' ');
+ $definition['fields'][$column_name] = array(
+ 'position' => $i+1
+ );
+ if (!empty($collation)) {
+ $definition['fields'][$column_name]['sorting'] =
+ ($collation=='ASC' ? 'ascending' : 'descending');
+ }
+ }
+
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the stucture 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);
+
+ $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
+ }
+ $query.= ' AND sql NOT NULL ORDER BY name';
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($constraint_name_mdb2), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($constraint_name_mdb2, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ if (PEAR::isError($sql) || empty($sql)) {
+ // fallback to the given $index_name, without transformation
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($constraint_name), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($constraint_name, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ }
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ //default values, eventually overridden
+ $definition = array(
+ 'primary' => false,
+ 'unique' => false,
+ 'foreign' => false,
+ 'check' => false,
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => '',
+ 'fields' => array(),
+ ),
+ 'onupdate' => '',
+ 'ondelete' => '',
+ 'match' => '',
+ 'deferrable' => false,
+ 'initiallydeferred' => false,
+ );
+ if (!$sql) {
+ $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name='.$db->quote($table, 'text');
+ }
+ $query.= " AND sql NOT NULL ORDER BY name";
+ $sql = $db->queryOne($query, 'text');
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ if ($constraint_name == 'primary') {
+ // search in table definition for PRIMARY KEYs
+ if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $sql, $tmp)) {
+ $definition['primary'] = true;
+ $definition['fields'] = array();
+ $column_names = explode(',', $tmp[1]);
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ return $definition;
+ }
+ if (preg_match("/\"([^\"]+)\"[^\,\"]+\bPRIMARY\s+KEY\b[^\,\)]*/i", $sql, $tmp)) {
+ $definition['primary'] = true;
+ $definition['fields'] = array();
+ $column_names = explode(',', $tmp[1]);
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ return $definition;
+ }
+ } else {
+ // search in table definition for FOREIGN KEYs
+ $pattern = "/\bCONSTRAINT\b\s+%s\s+
+ \bFOREIGN\s+KEY\b\s*\(([^\)]+)\)\s*
+ \bREFERENCES\b\s+([^\s]+)\s*\(([^\)]+)\)\s*
+ (?:\bMATCH\s*([^\s]+))?\s*
+ (?:\bON\s+UPDATE\s+([^\s,\)]+))?\s*
+ (?:\bON\s+DELETE\s+([^\s,\)]+))?\s*
+ /imsx";
+ $found_fk = false;
+ if (preg_match(sprintf($pattern, $constraint_name_mdb2), $sql, $tmp)) {
+ $found_fk = true;
+ } elseif (preg_match(sprintf($pattern, $constraint_name), $sql, $tmp)) {
+ $found_fk = true;
+ }
+ if ($found_fk) {
+ $definition['foreign'] = true;
+ $definition['match'] = 'SIMPLE';
+ $definition['onupdate'] = 'NO ACTION';
+ $definition['ondelete'] = 'NO ACTION';
+ $definition['references']['table'] = $tmp[2];
+ $column_names = explode(',', $tmp[1]);
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $referenced_cols = explode(',', $tmp[3]);
+ $colpos = 1;
+ foreach ($referenced_cols as $column_name) {
+ $definition['references']['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ if (isset($tmp[4])) {
+ $definition['match'] = $tmp[4];
+ }
+ if (isset($tmp[5])) {
+ $definition['onupdate'] = $tmp[5];
+ }
+ if (isset($tmp[6])) {
+ $definition['ondelete'] = $tmp[6];
+ }
+ return $definition;
+ }
+ }
+ $sql = false;
+ }
+ if (!$sql) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+
+ $sql = strtolower($sql);
+ $start_pos = strpos($sql, '(');
+ $end_pos = strrpos($sql, ')');
+ $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+ $column_names = explode(',', $column_names);
+
+ if (!preg_match("/^create unique/", $sql)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+
+ $definition['unique'] = true;
+ $count = count($column_names);
+ for ($i=0; $i<$count; ++$i) {
+ $column_name = strtok($column_names[$i]," ");
+ $collation = strtok(" ");
+ $definition['fields'][$column_name] = array(
+ 'position' => $i+1
+ );
+ if (!empty($collation)) {
+ $definition['fields'][$column_name]['sorting'] =
+ ($collation=='ASC' ? 'ascending' : 'descending');
+ }
+ }
+
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ 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 $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name as trigger_name,
+ tbl_name AS table_name,
+ sql AS trigger_body,
+ NULL AS trigger_type,
+ NULL AS trigger_event,
+ NULL AS trigger_comment,
+ 1 AS trigger_enabled
+ FROM sqlite_master
+ WHERE type='trigger'";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= ' AND LOWER(name)='.$db->quote(strtolower($trigger), 'text');
+ } else {
+ $query.= ' AND name='.$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',
+ );
+ $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($def)) {
+ return $def;
+ }
+ if (empty($def)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing trigger', __FUNCTION__);
+ }
+ if (preg_match("/^create\s+(?:temp|temporary)?trigger\s+(?:if\s+not\s+exists\s+)?.*(before|after)?\s+(insert|update|delete)/Uims", $def['trigger_body'], $tmp)) {
+ $def['trigger_type'] = strtoupper($tmp[1]);
+ $def['trigger_event'] = strtoupper($tmp[2]);
+ }
+ return $def;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table
+ *
+ * @param string $result a string containing the name of a table
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::tableInfo()
+ * @since Method available since Release 1.7.0
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null,
+ 'This DBMS can not obtain tableInfo from result sets', __FUNCTION__);
+ }
+}
+
?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 20:21:14 +0000