--- /dev/null
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 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@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php 327310 2012-08-27 15:16:18Z danielc $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MySQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mysql extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db = $this->getDBInstance();
+ if (MDB2::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (MDB2::isError($result)) {
+ return $result;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
+ $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (MDB2::isError($columns)) {
+ return $columns;
+ }
+ foreach ($columns as $column) {
+ $column = array_change_key_case($column, CASE_LOWER);
+ $column['name'] = $column['field'];
+ unset($column['field']);
+ 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 (MDB2::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (empty($column['null']) || $column['null'] !== 'YES') {
+ $notnull = true;
+ }
+ $default = false;
+ if (array_key_exists('default', $column)) {
+ $default = $column['default'];
+ if ((null === $default) && $notnull) {
+ $default = '';
+ }
+ }
+ $definition[0] = array(
+ 'notnull' => $notnull,
+ 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+ );
+ $autoincrement = false;
+ if (!empty($column['extra'])) {
+ if ($column['extra'] == 'auto_increment') {
+ $autoincrement = true;
+ } else {
+ $definition[0]['extra'] = $column['extra'];
+ }
+ }
+ $collate = null;
+ if (!empty($column['collation'])) {
+ $collate = $column['collation'];
+ $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
+ }
+
+ 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;
+ }
+ if (null !== $collate) {
+ $definition[0]['collate'] = $collate;
+ $definition[0]['charset'] = $charset;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
+ $definition[$key]['default'] = '0000-00-00 00:00:00';
+ }
+ $definition[$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 structure 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 = $this->getDBInstance();
+ if (MDB2::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
+ if (!MDB2::isError($result) && (null !== $result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $index_name = $index_name_mdb2;
+ }
+ $result = $db->query(sprintf($query, $db->quote($index_name)));
+ if (MDB2::isError($result)) {
+ return $result;
+ }
+ $colpos = 1;
+ $definition = array();
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $key_name = $row['key_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ }
+ }
+ if ($index_name == $key_name) {
+ if (!$row['non_unique']) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name . ' is not an existing table index', __FUNCTION__);
+ }
+ $column_name = $row['column_name'];
+ if ($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);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => $colpos++
+ );
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+ ? 'ascending' : 'descending');
+ }
+ }
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name . ' is not an existing table index', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure 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 = $this->getDBInstance();
+ if (MDB2::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+ $constraint_name_original = $constraint_name;
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+ if (strtolower($constraint_name) != 'primary') {
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
+ if (!MDB2::isError($result) && (null !== $result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $constraint_name = $constraint_name_mdb2;
+ }
+ }
+ $result = $db->query(sprintf($query, $db->quote($constraint_name)));
+ if (MDB2::isError($result)) {
+ return $result;
+ }
+ $colpos = 1;
+ //default values, eventually overridden
+ $definition = array(
+ 'primary' => false,
+ 'unique' => false,
+ 'foreign' => false,
+ 'check' => false,
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => '',
+ 'fields' => array(),
+ ),
+ 'onupdate' => '',
+ 'ondelete' => '',
+ 'match' => '',
+ 'deferrable' => false,
+ 'initiallydeferred' => false,
+ );
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $key_name = $row['key_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ }
+ }
+ if ($constraint_name == $key_name) {
+ if ($row['non_unique']) {
+ //FOREIGN KEY?
+ return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+ }
+ if ($row['key_name'] == 'PRIMARY') {
+ $definition['primary'] = true;
+ } elseif (!$row['non_unique']) {
+ $definition['unique'] = true;
+ }
+ $column_name = $row['column_name'];
+ if ($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);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => $colpos++
+ );
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+ ? 'ascending' : 'descending');
+ }
+ }
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ _getTableFKConstraintDefinition()
+
+ /**
+ * Get the FK definition from the CREATE TABLE statement
+ *
+ * @param string $table table name
+ * @param string $constraint_name constraint name
+ * @param array $definition default values for constraint definition
+ *
+ * @return array|PEAR_Error
+ * @access private
+ */
+ function _getTableFKConstraintDefinition($table, $constraint_name, $definition)
+ {
+ $db = $this->getDBInstance();
+ if (MDB2::isError($db)) {
+ return $db;
+ }
+ //Use INFORMATION_SCHEMA instead?
+ //SELECT *
+ // FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
+ // WHERE CONSTRAINT_SCHEMA = '$dbname'
+ // AND TABLE_NAME = '$table'
+ // AND CONSTRAINT_NAME = '$constraint_name';
+ $query = 'SHOW CREATE TABLE '. $db->escape($table);
+ $constraint = $db->queryOne($query, 'text', 1);
+ if (!MDB2::isError($constraint) && !empty($constraint)) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $constraint = strtolower($constraint);
+ } else {
+ $constraint = strtoupper($constraint);
+ }
+ }
+ $constraint_name_original = $constraint_name;
+ $constraint_name = $db->getIndexName($constraint_name);
+ $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/i';
+ if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+ //fallback to original constraint name
+ $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/i';
+ }
+ if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+ $definition['foreign'] = true;
+ $column_names = explode(',', $matches[1]);
+ $referenced_cols = explode(',', $matches[3]);
+ $definition['references'] = array(
+ 'table' => $matches[2],
+ 'fields' => array(),
+ );
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $colpos = 1;
+ foreach ($referenced_cols as $column_name) {
+ $definition['references']['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $definition['ondelete'] = empty($matches[4]) ? 'RESTRICT' : strtoupper($matches[4]);
+ $definition['onupdate'] = empty($matches[5]) ? 'RESTRICT' : strtoupper($matches[5]);
+ $definition['match'] = 'SIMPLE';
+ return $definition;
+ }
+ }
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ 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 = $this->getDBInstance();
+ if (MDB2::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT trigger_name,
+ event_object_table AS table_name,
+ action_statement AS trigger_body,
+ action_timing AS trigger_type,
+ event_manipulation AS trigger_event
+ FROM information_schema.triggers
+ WHERE trigger_name = '. $db->quote($trigger, 'text');
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ );
+ $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ if (MDB2::isError($def)) {
+ return $def;
+ }
+ $def['trigger_comment'] = '';
+ $def['trigger_enabled'] = true;
+ return $def;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::setOption()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db = $this->getDBInstance();
+ if (MDB2::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_resource($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @mysql_num_fields($resource);
+ $res = array();
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => $case_func(@mysql_field_table($resource, $i)),
+ 'name' => $case_func(@mysql_field_name($resource, $i)),
+ 'type' => @mysql_field_type($resource, $i),
+ 'length' => @mysql_field_len($resource, $i),
+ 'flags' => @mysql_field_flags($resource, $i),
+ );
+ if ($res[$i]['type'] == 'string') {
+ $res[$i]['type'] = 'char';
+ } elseif ($res[$i]['type'] == 'unknown') {
+ $res[$i]['type'] = 'decimal';
+ }
+ $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+ if (MDB2::isError($mdb2type_info)) {
+ return $mdb2type_info;
+ }
+ $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ return $res;
+ }
+}
+?>
projects / timetracker.git / blobdiff