diff options
Diffstat (limited to 'program/lib/MDB2/Driver/Reverse/mysql.php')
-rw-r--r-- | program/lib/MDB2/Driver/Reverse/mysql.php | 1048 |
1 files changed, 535 insertions, 513 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/mysql.php b/program/lib/MDB2/Driver/Reverse/mysql.php index ac6abedbc..2ac9fc0f5 100644 --- a/program/lib/MDB2/Driver/Reverse/mysql.php +++ b/program/lib/MDB2/Driver/Reverse/mysql.php @@ -1,514 +1,536 @@ -<?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,v 1.79 2007/11/25 13:38:29 quipo Exp $
-//
-
-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 =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->loadModule('Datatype', null, true);
- if (PEAR::isError($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 (PEAR::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 (PEAR::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 = $column['default'];
- if (is_null($default) && $notnull) {
- $default = '';
- }
- }
- $autoincrement = false;
- if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {
- $autoincrement = true;
- }
- $collate = null;
- if (!empty($column['collation'])) {
- $collate = $column['collation'];
- $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
- }
-
- $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'] = $autoincrement;
- }
- if (!is_null($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 =& $this->getDBInstance();
- if (PEAR::isError($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 (!PEAR::isError($result) && !is_null($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 (PEAR::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 =& $this->getDBInstance();
- if (PEAR::isError($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 (!PEAR::isError($result) && !is_null($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 (PEAR::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?
- $query = 'SHOW CREATE TABLE '. $db->escape($table);
- $constraint = $db->queryOne($query, 'text', 1);
- if (!PEAR::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);
- }
- }
- $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/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 ([^ ]+) \(([^\)]+)\)/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['onupdate'] = 'NO ACTION';
- $definition['ondelete'] = 'NO ACTION';
- $definition['match'] = 'SIMPLE';
- return $definition;
- }
- }
-
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- $constraint_name . ' is not an existing table constraint', __FUNCTION__);
- }
- if ($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 $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 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, $types, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($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 =& $this->getDBInstance();
- if (PEAR::isError($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[$i]);
- if (PEAR::isError($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;
- }
-}
+<?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 292715 2009-12-28 14:06:34Z quipo $ +// + +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 =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->loadModule('Datatype', null, true); + if (PEAR::isError($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 (PEAR::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 (PEAR::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 = ''; + } + } + $autoincrement = false; + if (!empty($column['extra']) && $column['extra'] == 'auto_increment') { + $autoincrement = true; + } + $collate = null; + if (!empty($column['collation'])) { + $collate = $column['collation']; + $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate); + } + + $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; + } + 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 =& $this->getDBInstance(); + if (PEAR::isError($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 (!PEAR::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 (PEAR::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 =& $this->getDBInstance(); + if (PEAR::isError($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 (!PEAR::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 (PEAR::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 =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $query = 'SHOW CREATE TABLE '. $db->escape($table); + $constraint = $db->queryOne($query, 'text', 1); + if (!PEAR::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 ([^ ]+) \(([^\)]+)\)/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 ([^ ]+) \(([^\)]+)\)/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['onupdate'] = 'NO ACTION'; + $definition['ondelete'] = 'NO ACTION'; + $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 =& $this->getDBInstance(); + if (PEAR::isError($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, $types, MDB2_FETCHMODE_ASSOC); + if (PEAR::isError($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 =& $this->getDBInstance(); + if (PEAR::isError($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[$i]); + if (PEAR::isError($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; + } +} ?>
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