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Diffstat (limited to 'program/lib/MDB2/Driver/Reverse')
| -rwxr-xr-x | program/lib/MDB2/Driver/Reverse/Common.php | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/Common.php b/program/lib/MDB2/Driver/Reverse/Common.php new file mode 100755 index 000000000..0abf69bda --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/Common.php @@ -0,0 +1,284 @@ +<?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: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * @package MDB2 + * @category Database + */ + +/** + * These are constants for the tableInfo-function + * they are bitwised or'ed. so if there are more constants to be defined + * in the future, adjust MDB2_TABLEINFO_FULL accordingly + */ + +define('MDB2_TABLEINFO_ORDER', 1); +define('MDB2_TABLEINFO_ORDERTABLE', 2); +define('MDB2_TABLEINFO_FULL', 3); + +/** + * Base class for the schema reverse engineering module that is extended by each MDB2 driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Reverse_Common extends MDB2_Module_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 $fields name of field that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableFieldDefinition($table, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'getTableFieldDefinition: table field definition is not supported'); + } + + // }}} + // {{{ getTableIndexDefinition() + + /** + * get the stucture of an index into an array + * + * @param string $table name of table that should be used in method + * @param string $index name of index that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableIndexDefinition($table, $index) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'getTableIndexDefinition: getting index definition is not supported'); + } + + // }}} + // {{{ getSequenceDefinition() + + /** + * get the stucture of a sequence into an array + * + * @param string $sequence name of sequence that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getSequenceDefinition($sequence) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $start = $db->currId($sequence); + if (PEAR::isError($start)) { + return $start; + } + if ($db->supports('current_id')) { + $start++; + } else { + $db->warnings[] = 'database does not support getting current + sequence value, the sequence value was incremented'; + } + $definition = array(); + if ($start != 1) { + $definition = array('start' => $start); + } + return $definition; + } + + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * The format of the resulting array depends on which <var>$mode</var> + * you select. The sample output below is based on this query: + * <pre> + * SELECT tblFoo.fldID, tblFoo.fldPhone, tblBar.fldId + * FROM tblFoo + * JOIN tblBar ON tblFoo.fldId = tblBar.fldId + * </pre> + * + * <ul> + * <li> + * + * <kbd>null</kbd> (default) + * <pre> + * [0] => Array ( + * [table] => tblFoo + * [name] => fldId + * [type] => int + * [len] => 11 + * [flags] => primary_key not_null + * ) + * [1] => Array ( + * [table] => tblFoo + * [name] => fldPhone + * [type] => string + * [len] => 20 + * [flags] => + * ) + * [2] => Array ( + * [table] => tblBar + * [name] => fldId + * [type] => int + * [len] => 11 + * [flags] => primary_key not_null + * ) + * </pre> + * + * </li><li> + * + * <kbd>MDB2_TABLEINFO_ORDER</kbd> + * + * <p>In addition to the information found in the default output, + * a notation of the number of columns is provided by the + * <samp>num_fields</samp> element while the <samp>order</samp> + * element provides an array with the column names as the keys and + * their location index number (corresponding to the keys in the + * the default output) as the values.</p> + * + * <p>If a result set has identical field names, the last one is + * used.</p> + * + * <pre> + * [num_fields] => 3 + * [order] => Array ( + * [fldId] => 2 + * [fldTrans] => 1 + * ) + * </pre> + * + * </li><li> + * + * <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd> + * + * <p>Similar to <kbd>MDB2_TABLEINFO_ORDER</kbd> but adds more + * dimensions to the array in which the table names are keys and + * the field names are sub-keys. This is helpful for queries that + * join tables which have identical field names.</p> + * + * <pre> + * [num_fields] => 3 + * [ordertable] => Array ( + * [tblFoo] => Array ( + * [fldId] => 0 + * [fldPhone] => 1 + * ) + * [tblBar] => Array ( + * [fldId] => 2 + * ) + * ) + * </pre> + * + * </li> + * </ul> + * + * The <samp>flags</samp> element contains a space separated list + * of extra information about the field. This data is inconsistent + * between DBMS's due to the way each DBMS works. + * + <samp>primary_key</samp> + * + <samp>unique_key</samp> + * + <samp>multiple_key</samp> + * + <samp>not_null</samp> + * + * Most DBMS's only provide the <samp>table</samp> and <samp>flags</samp> + * elements if <var>$result</var> is a table name. The following DBMS's + * provide full information from queries: + * + fbsql + * + mysql + * + * If the 'portability' option has <samp>MDB2_PORTABILITY_FIX_CASE</samp> + * turned on, the names of tables and fields will be lower or upper cased. + * + * @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 $mode either unused or one of the tableInfo modes: + * <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd>, + * <kbd>MDB2_TABLEINFO_ORDER</kbd> or + * <kbd>MDB2_TABLEINFO_FULL</kbd> (which does both). + * These are bitwise, so the first two can be + * combined using <kbd>|</kbd>. + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::setOption() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'tableInfo: method not implemented'); + } +} +?>
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