diff options
Diffstat (limited to 'program/lib/MDB2/Driver/Reverse/pgsql.php')
-rwxr-xr-x | program/lib/MDB2/Driver/Reverse/pgsql.php | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/pgsql.php b/program/lib/MDB2/Driver/Reverse/pgsql.php deleted file mode 100755 index 28629eed0..000000000 --- a/program/lib/MDB2/Driver/Reverse/pgsql.php +++ /dev/null @@ -1,356 +0,0 @@ -<?php -// +----------------------------------------------------------------------+ -// | PHP versions 4 and 5 | -// +----------------------------------------------------------------------+ -// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | -// | Stig. S. Bakken, Lukas Smith | -// | All rights reserved. | -// +----------------------------------------------------------------------+ -// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | -// | API as well as database abstraction for PHP applications. | -// | This LICENSE is in the BSD license style. | -// | | -// | Redistribution and use in source and binary forms, with or without | -// | modification, are permitted provided that the following conditions | -// | 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: Paul Cooper <pgc@ucecom.com> | -// +----------------------------------------------------------------------+ -// -// $Id$ - -require_once 'MDB2/Driver/Reverse/Common.php'; - -/** - * MDB2 PostGreSQL driver for the schema reverse engineering module - * - * @package MDB2 - * @category Database - * @author Paul Cooper <pgc@ucecom.com> - */ -class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common -{ - // {{{ getTableFieldDefinition() - - /** - * get the stucture of a field into an array - * - * @param string $table name of table that should be used in method - * @param string $field_name name of field that should be used in method - * @return mixed data array on success, a MDB2 error on failure - * @access public - */ - function getTableFieldDefinition($table, $field_name) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $result = $db->loadModule('Datatype'); - if (PEAR::isError($result)) { - return $result; - } - - $column = $db->queryRow("SELECT - attnum,attname,typname,attlen,attnotnull, - atttypmod,usename,usesysid,pg_class.oid,relpages, - reltuples,relhaspkey,relhasrules,relacl,adsrc - FROM pg_class,pg_user,pg_type, - pg_attribute left outer join pg_attrdef on - pg_attribute.attrelid=pg_attrdef.adrelid - WHERE (pg_class.relname='$table') - and (pg_class.oid=pg_attribute.attrelid) - and (pg_class.relowner=pg_user.usesysid) - and (pg_attribute.atttypid=pg_type.oid) - and attnum > 0 - and attname = '$field_name' - ORDER BY attnum - ", null, MDB2_FETCHMODE_ASSOC); - if (PEAR::isError($column)) { - return $column; - } - - list($types, $length) = $db->datatype->mapNativeDatatype($column); - $notnull = false; - if (array_key_exists('attnotnull', $column) && $column['attnotnull'] == 't') { - $notnull = true; - } - $default = false; - // todo .. check how default look like - if (!preg_match("/nextval\('([^']+)'/", $column['adsrc']) - && strlen($column['adsrc']) > 2 - ) { - $default = substr($column['adsrc'], 1, -1); - if (is_null($default) && $notnull) { - $default = ''; - } - } - $autoincrement = false; - if (preg_match("/nextval\('([^']+)'/", $column['adsrc'], $nextvals)) { - $autoincrement = true; - } - $definition = array(); - foreach ($types as $key => $type) { - $definition[$key] = array( - 'type' => $type, - 'notnull' => $notnull, - ); - if ($length > 0) { - $definition[$key]['length'] = $length; - } - if ($default !== false) { - $definition[$key]['default'] = $default; - } - if ($autoincrement !== false) { - $definition[$key]['autoincrement'] = $autoincrement; - } - } - return $definition; - } - - - // }}} - // {{{ getTableIndexDefinition() - /** - * get the stucture of an index into an array - * - * @param string $table name of table that should be used in method - * @param string $index_name name of index that should be used in method - * @return mixed data array on success, a MDB2 error on failure - * @access public - */ - function getTableIndexDefinition($table, $index_name) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $query = "SELECT * FROM pg_index, pg_class - WHERE (pg_class.relname='$index_name') AND (pg_class.oid=pg_index.indexrelid)"; - $row = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC); - if (PEAR::isError($row)) { - return $row; - } - if ($row['relname'] != $index_name) { - return $db->raiseError(MDB2_ERROR, null, null, - 'getTableIndexDefinition: it was not specified an existing table index'); - } - - $db->loadModule('Manager'); - $columns = $db->manager->listTableFields($table); - - $definition = array(); - if ($row['indisunique'] == 't') { - $definition['unique'] = true; - } - - $index_column_numbers = explode(' ', $row['indkey']); - - foreach ($index_column_numbers as $number) { - $definition['fields'][$columns[($number - 1)]] = array('sorting' => 'ascending'); - } - return $definition; - } - - // }}} - // {{{ tableInfo() - - /** - * Returns information about a table or a result set - * - * NOTE: only supports 'table' and 'flags' if <var>$result</var> - * is a table name. - * - * @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 $mode a valid tableInfo mode - * - * @return array an associative array with the information requested. - * A MDB2_Error object on failure. - * - * @see MDB2_Driver_Common::tableInfo() - */ - function tableInfo($result, $mode = null) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - if (is_string($result)) { - /* - * Probably received a table name. - * Create a result resource identifier. - */ - $id = $db->_doQuery("SELECT * FROM $result LIMIT 0"); - if (PEAR::isError($id)) { - return $id; - } - $got_string = true; - } elseif (MDB2::isResultCommon($result)) { - /* - * Probably received a result object. - * Extract the result resource identifier. - */ - $id = $result->getResource(); - $got_string = false; - } else { - /* - * Probably received a result resource identifier. - * Copy it. - * Deprecated. Here for compatibility only. - */ - $id = $result; - $got_string = false; - } - - if (!is_resource($id)) { - return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA); - } - - if ($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'; - } - - $count = @pg_num_fields($id); - $res = array(); - - if ($mode) { - $res['num_fields'] = $count; - } - - for ($i = 0; $i < $count; $i++) { - $res[$i] = array( - 'table' => $got_string ? $case_func($result) : '', - 'name' => $case_func(@pg_field_name($id, $i)), - 'type' => @pg_field_type($id, $i), - 'len' => @pg_field_size($id, $i), - 'flags' => $got_string - ? $this->_pgFieldFlags($id, $i, $result) - : '', - ); - if ($mode & MDB2_TABLEINFO_ORDER) { - $res['order'][$res[$i]['name']] = $i; - } - if ($mode & MDB2_TABLEINFO_ORDERTABLE) { - $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; - } - } - - // free the result only if we were called on a table - if ($got_string) { - @pg_free_result($id); - } - return $res; - } - - // }}} - // {{{ _pgFieldFlags() - - /** - * Get a column's flags - * - * Supports "not_null", "default_value", "primary_key", "unique_key" - * and "multiple_key". The default value is passed through - * rawurlencode() in case there are spaces in it. - * - * @param int $resource the PostgreSQL result identifier - * @param int $num_field the field number - * - * @return string the flags - * - * @access protected - */ - function _pgFieldFlags($resource, $num_field, $table_name) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $field_name = @pg_field_name($resource, $num_field); - - $result = @pg_query($db->connection, "SELECT f.attnotnull, f.atthasdef - FROM pg_attribute f, pg_class tab, pg_type typ - WHERE tab.relname = typ.typname - AND typ.typrelid = f.attrelid - AND f.attname = '$field_name' - AND tab.relname = '$table_name'"); - if (@pg_num_rows($result) > 0) { - $row = @pg_fetch_row($result, 0); - $flags = ($row[0] == 't') ? 'not_null ' : ''; - - if ($row[1] == 't') { - $result = @pg_query($db->connection, "SELECT a.adsrc - FROM pg_attribute f, pg_class tab, pg_type typ, pg_attrdef a - WHERE tab.relname = typ.typname AND typ.typrelid = f.attrelid - AND f.attrelid = a.adrelid AND f.attname = '$field_name' - AND tab.relname = '$table_name' AND f.attnum = a.adnum"); - $row = @pg_fetch_row($result, 0); - $num = preg_replace("/'(.*)'::\w+/", "\\1", $row[0]); - $flags.= 'default_' . rawurlencode($num) . ' '; - } - } else { - $flags = ''; - } - $result = @pg_query($db->connection, "SELECT i.indisunique, i.indisprimary, i.indkey - FROM pg_attribute f, pg_class tab, pg_type typ, pg_index i - WHERE tab.relname = typ.typname - AND typ.typrelid = f.attrelid - AND f.attrelid = i.indrelid - AND f.attname = '$field_name' - AND tab.relname = '$table_name'"); - $count = @pg_num_rows($result); - - for ($i = 0; $i < $count ; $i++) { - $row = @pg_fetch_row($result, $i); - $keys = explode(' ', $row[2]); - - if (in_array($num_field + 1, $keys)) { - $flags.= ($row[0] == 't' && $row[1] == 'f') ? 'unique_key ' : ''; - $flags.= ($row[1] == 't') ? 'primary_key ' : ''; - if (count($keys) > 1) - $flags.= 'multiple_key '; - } - } - - return trim($flags); - } -} -?>
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