Viewing file: mysql.php (18.01 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?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 1.68 2007/03/29 18:18:06 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 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, $field_name) { $db =& $this->getDBInstance(); if (PEAR::isError($db)) { return $db; }
$result = $db->loadModule('Datatype', null, true); if (PEAR::isError($result)) { return $result; } $table = $db->quoteIdentifier($table, true); $query = "SHOW 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; }
$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 structure of an index into an array * * @param string $table name of table that should be used in method * @param string $constraint_name name of constraint that should be used in method * @return mixed data array on success, a MDB2 error on failure * @access public */ function getTableIndexDefinition($table, $constraint_name) { $db =& $this->getDBInstance(); if (PEAR::isError($db)) { return $db; }
$table = $db->quoteIdentifier($table, true); $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */"; $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; $definition = array(); while (is_array($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 ($constraint_name == $key_name) { if (!$row['non_unique']) { return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, $constraint_name . ' is not an existing table constraint', __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, $constraint_name . ' is not an existing table constraint', __FUNCTION__); } return $definition; }
// }}} // {{{ getTableConstraintDefinition()
/** * Get the structure of a constraint into an array * * @param string $table name of table that should be used in method * @param string $index_name name of index that should be used in method * @return mixed data array on success, a MDB2 error on failure * @access public */ function getTableConstraintDefinition($table, $index_name) { $db =& $this->getDBInstance(); if (PEAR::isError($db)) { return $db; }
$table = $db->quoteIdentifier($table, true); $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */"; if (strtolower($index_name) != 'primary') { $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 $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, 'it was not specified an existing table constraint', __FUNCTION__); } if ($row['key_name'] == 'PRIMARY') { $definition['primary'] = true; } else { $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, 'it was not specified 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; } } ?>
|