| | |
| | | <?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: Common.php,v 1.41 2007/09/09 13:47:36 quipo Exp $ |
| | | // |
| | | |
| | | /** |
| | | * @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 |
| | | * |
| | | * To load this module in the MDB2 object: |
| | | * $mdb->loadModule('Reverse'); |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@pooteeweet.org> |
| | | */ |
| | | class MDB2_Driver_Reverse_Common extends MDB2_Module_Common |
| | | { |
| | | // {{{ splitTableSchema() |
| | | |
| | | /** |
| | | * Split the "[owner|schema].table" notation into an array |
| | | * @access private |
| | | */ |
| | | function splitTableSchema($table) |
| | | { |
| | | $ret = array(); |
| | | if (strpos($table, '.') !== false) { |
| | | return explode('.', $table); |
| | | } |
| | | return array(null, $table); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTableFieldDefinition() |
| | | |
| | | /** |
| | | * Get the structure of a field into an array |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @param string $field name of field that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure. |
| | | * The returned array contains an array for each field definition, |
| | | * with all or some of these indices, depending on the field data type: |
| | | * [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type] |
| | | * @access public |
| | | */ |
| | | function getTableFieldDefinition($table, $field) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'method not implemented', __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 $index name of index that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * The returned array has this structure: |
| | | * </pre> |
| | | * array ( |
| | | * [fields] => array ( |
| | | * [field1name] => array() // one entry per each field covered |
| | | * [field2name] => array() // by the index |
| | | * [field3name] => array( |
| | | * [sorting] => ascending |
| | | * ) |
| | | * ) |
| | | * ); |
| | | * </pre> |
| | | * @access public |
| | | */ |
| | | function getTableIndexDefinition($table, $index) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'method not implemented', __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTableConstraintDefinition() |
| | | |
| | | /** |
| | | * Get the structure of an constraints into an array |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @param string $index name of index that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * The returned array has this structure: |
| | | * <pre> |
| | | * array ( |
| | | * [primary] => 0 |
| | | * [unique] => 0 |
| | | * [foreign] => 1 |
| | | * [check] => 0 |
| | | * [fields] => array ( |
| | | * [field1name] => array() // one entry per each field covered |
| | | * [field2name] => array() // by the index |
| | | * [field3name] => array( |
| | | * [sorting] => ascending |
| | | * [position] => 3 |
| | | * ) |
| | | * ) |
| | | * [references] => array( |
| | | * [table] => name |
| | | * [fields] => array( |
| | | * [field1name] => array( //one entry per each referenced field |
| | | * [position] => 1 |
| | | * ) |
| | | * ) |
| | | * ) |
| | | * [deferrable] => 0 |
| | | * [initiallydeferred] => 0 |
| | | * [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION |
| | | * [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION |
| | | * [match] => SIMPLE|PARTIAL|FULL |
| | | * ); |
| | | * </pre> |
| | | * @access public |
| | | */ |
| | | function getTableConstraintDefinition($table, $index) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'method not implemented', __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getSequenceDefinition() |
| | | |
| | | /** |
| | | * Get the structure of a sequence into an array |
| | | * |
| | | * @param string $sequence name of sequence that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * The returned array has this structure: |
| | | * <pre> |
| | | * array ( |
| | | * [start] => n |
| | | * ); |
| | | * </pre> |
| | | * @access public |
| | | */ |
| | | function getSequenceDefinition($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; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ 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 $trigger name of trigger that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * The returned array has this structure: |
| | | * <pre> |
| | | * array ( |
| | | * [trigger_name] => 'trigger name', |
| | | * [table_name] => 'table name', |
| | | * [trigger_body] => 'trigger body definition', |
| | | * [trigger_type] => 'BEFORE' | 'AFTER', |
| | | * [trigger_event] => 'INSERT' | 'UPDATE' | 'DELETE' |
| | | * //or comma separated list of multiple events, when supported |
| | | * [trigger_enabled] => true|false |
| | | * [trigger_comment] => 'trigger comment', |
| | | * ); |
| | | * </pre> |
| | | * The oci8 driver also returns a [when_clause] index. |
| | | * @access public |
| | | */ |
| | | function getTriggerDefinition($trigger) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'method not implemented', __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ tableInfo() |
| | | |
| | | /** |
| | | * Returns information about a table or a result set |
| | | * |
| | | * The format of the resulting array depends on which <var>$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 $db; |
| | | } |
| | | |
| | | if (!is_string($result)) { |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'method not implemented', __FUNCTION__); |
| | | } |
| | | |
| | | $db->loadModule('Manager', null, true); |
| | | $fields = $db->manager->listTableFields($result); |
| | | if (PEAR::isError($fields)) { |
| | | return $fields; |
| | | } |
| | | |
| | | $flags = array(); |
| | | |
| | | $idxname_format = $db->getOption('idxname_format'); |
| | | $db->setOption('idxname_format', '%s'); |
| | | |
| | | $indexes = $db->manager->listTableIndexes($result); |
| | | if (PEAR::isError($indexes)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $indexes; |
| | | } |
| | | |
| | | foreach ($indexes as $index) { |
| | | $definition = $this->getTableIndexDefinition($result, $index); |
| | | if (PEAR::isError($definition)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $definition; |
| | | } |
| | | if (count($definition['fields']) > 1) { |
| | | foreach ($definition['fields'] as $field => $sort) { |
| | | $flags[$field] = 'multiple_key'; |
| | | } |
| | | } |
| | | } |
| | | |
| | | $constraints = $db->manager->listTableConstraints($result); |
| | | if (PEAR::isError($constraints)) { |
| | | return $constraints; |
| | | } |
| | | |
| | | foreach ($constraints as $constraint) { |
| | | $definition = $this->getTableConstraintDefinition($result, $constraint); |
| | | if (PEAR::isError($definition)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $definition; |
| | | } |
| | | $flag = !empty($definition['primary']) |
| | | ? 'primary_key' : (!empty($definition['unique']) |
| | | ? 'unique_key' : false); |
| | | if ($flag) { |
| | | foreach ($definition['fields'] as $field => $sort) { |
| | | if (empty($flags[$field]) || $flags[$field] != 'primary_key') { |
| | | $flags[$field] = $flag; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | if ($mode) { |
| | | $res['num_fields'] = count($fields); |
| | | } |
| | | |
| | | foreach ($fields as $i => $field) { |
| | | $definition = $this->getTableFieldDefinition($result, $field); |
| | | if (PEAR::isError($definition)) { |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | return $definition; |
| | | } |
| | | $res[$i] = $definition[0]; |
| | | $res[$i]['name'] = $field; |
| | | $res[$i]['table'] = $result; |
| | | $res[$i]['type'] = preg_replace('/^([a-z]+).*$/i', '\\1', trim($definition[0]['nativetype'])); |
| | | // 'primary_key', 'unique_key', 'multiple_key' |
| | | $res[$i]['flags'] = empty($flags[$field]) ? '' : $flags[$field]; |
| | | // not_null', 'unsigned', 'auto_increment', 'default_[rawencodedvalue]' |
| | | if (!empty($res[$i]['notnull'])) { |
| | | $res[$i]['flags'].= ' not_null'; |
| | | } |
| | | if (!empty($res[$i]['unsigned'])) { |
| | | $res[$i]['flags'].= ' unsigned'; |
| | | } |
| | | if (!empty($res[$i]['auto_increment'])) { |
| | | $res[$i]['flags'].= ' autoincrement'; |
| | | } |
| | | if (!empty($res[$i]['default'])) { |
| | | $res[$i]['flags'].= ' default_'.rawurlencode($res[$i]['default']); |
| | | } |
| | | |
| | | 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; |
| | | } |
| | | } |
| | | |
| | | $db->setOption('idxname_format', $idxname_format); |
| | | 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: Common.php,v 1.42 2008/01/12 12:50:58 quipo Exp $
|
| | | //
|
| | |
|
| | | /**
|
| | | * @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
|
| | | *
|
| | | * To load this module in the MDB2 object:
|
| | | * $mdb->loadModule('Reverse');
|
| | | *
|
| | | * @package MDB2
|
| | | * @category Database
|
| | | * @author Lukas Smith <smith@pooteeweet.org>
|
| | | */
|
| | | class MDB2_Driver_Reverse_Common extends MDB2_Module_Common
|
| | | {
|
| | | // {{{ splitTableSchema()
|
| | |
|
| | | /**
|
| | | * Split the "[owner|schema].table" notation into an array
|
| | | * @access private
|
| | | */
|
| | | function splitTableSchema($table)
|
| | | {
|
| | | $ret = array();
|
| | | if (strpos($table, '.') !== false) {
|
| | | return explode('.', $table);
|
| | | }
|
| | | return array(null, $table);
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ getTableFieldDefinition()
|
| | |
|
| | | /**
|
| | | * Get the structure of a field into an array
|
| | | *
|
| | | * @param string $table name of table that should be used in method
|
| | | * @param string $field name of field that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure.
|
| | | * The returned array contains an array for each field definition,
|
| | | * with all or some of these indices, depending on the field data type:
|
| | | * [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]
|
| | | * @access public
|
| | | */
|
| | | function getTableFieldDefinition($table, $field)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
| | | 'method not implemented', __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 $index name of index that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * The returned array has this structure:
|
| | | * </pre>
|
| | | * array (
|
| | | * [fields] => array (
|
| | | * [field1name] => array() // one entry per each field covered
|
| | | * [field2name] => array() // by the index
|
| | | * [field3name] => array(
|
| | | * [sorting] => ascending
|
| | | * )
|
| | | * )
|
| | | * );
|
| | | * </pre>
|
| | | * @access public
|
| | | */
|
| | | function getTableIndexDefinition($table, $index)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
| | | 'method not implemented', __FUNCTION__);
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ getTableConstraintDefinition()
|
| | |
|
| | | /**
|
| | | * Get the structure of an constraints into an array
|
| | | *
|
| | | * @param string $table name of table that should be used in method
|
| | | * @param string $index name of index that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * The returned array has this structure:
|
| | | * <pre>
|
| | | * array (
|
| | | * [primary] => 0
|
| | | * [unique] => 0
|
| | | * [foreign] => 1
|
| | | * [check] => 0
|
| | | * [fields] => array (
|
| | | * [field1name] => array() // one entry per each field covered
|
| | | * [field2name] => array() // by the index
|
| | | * [field3name] => array(
|
| | | * [sorting] => ascending
|
| | | * [position] => 3
|
| | | * )
|
| | | * )
|
| | | * [references] => array(
|
| | | * [table] => name
|
| | | * [fields] => array(
|
| | | * [field1name] => array( //one entry per each referenced field
|
| | | * [position] => 1
|
| | | * )
|
| | | * )
|
| | | * )
|
| | | * [deferrable] => 0
|
| | | * [initiallydeferred] => 0
|
| | | * [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
|
| | | * [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
|
| | | * [match] => SIMPLE|PARTIAL|FULL
|
| | | * );
|
| | | * </pre>
|
| | | * @access public
|
| | | */
|
| | | function getTableConstraintDefinition($table, $index)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
| | | 'method not implemented', __FUNCTION__);
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ getSequenceDefinition()
|
| | |
|
| | | /**
|
| | | * Get the structure of a sequence into an array
|
| | | *
|
| | | * @param string $sequence name of sequence that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * The returned array has this structure:
|
| | | * <pre>
|
| | | * array (
|
| | | * [start] => n
|
| | | * );
|
| | | * </pre>
|
| | | * @access public
|
| | | */
|
| | | function getSequenceDefinition($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;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ 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 $trigger name of trigger that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * The returned array has this structure:
|
| | | * <pre>
|
| | | * array (
|
| | | * [trigger_name] => 'trigger name',
|
| | | * [table_name] => 'table name',
|
| | | * [trigger_body] => 'trigger body definition',
|
| | | * [trigger_type] => 'BEFORE' | 'AFTER',
|
| | | * [trigger_event] => 'INSERT' | 'UPDATE' | 'DELETE'
|
| | | * //or comma separated list of multiple events, when supported
|
| | | * [trigger_enabled] => true|false
|
| | | * [trigger_comment] => 'trigger comment',
|
| | | * );
|
| | | * </pre>
|
| | | * The oci8 driver also returns a [when_clause] index.
|
| | | * @access public
|
| | | */
|
| | | function getTriggerDefinition($trigger)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
| | | 'method not implemented', __FUNCTION__);
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ tableInfo()
|
| | |
|
| | | /**
|
| | | * Returns information about a table or a result set
|
| | | *
|
| | | * The format of the resulting array depends on which <var>$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 $db;
|
| | | }
|
| | |
|
| | | if (!is_string($result)) {
|
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
| | | 'method not implemented', __FUNCTION__);
|
| | | }
|
| | |
|
| | | $db->loadModule('Manager', null, true);
|
| | | $fields = $db->manager->listTableFields($result);
|
| | | if (PEAR::isError($fields)) {
|
| | | return $fields;
|
| | | }
|
| | |
|
| | | $flags = array();
|
| | |
|
| | | $idxname_format = $db->getOption('idxname_format');
|
| | | $db->setOption('idxname_format', '%s');
|
| | |
|
| | | $indexes = $db->manager->listTableIndexes($result);
|
| | | if (PEAR::isError($indexes)) {
|
| | | $db->setOption('idxname_format', $idxname_format);
|
| | | return $indexes;
|
| | | }
|
| | |
|
| | | foreach ($indexes as $index) {
|
| | | $definition = $this->getTableIndexDefinition($result, $index);
|
| | | if (PEAR::isError($definition)) {
|
| | | $db->setOption('idxname_format', $idxname_format);
|
| | | return $definition;
|
| | | }
|
| | | if (count($definition['fields']) > 1) {
|
| | | foreach ($definition['fields'] as $field => $sort) {
|
| | | $flags[$field] = 'multiple_key';
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | $constraints = $db->manager->listTableConstraints($result);
|
| | | if (PEAR::isError($constraints)) {
|
| | | return $constraints;
|
| | | }
|
| | |
|
| | | foreach ($constraints as $constraint) {
|
| | | $definition = $this->getTableConstraintDefinition($result, $constraint);
|
| | | if (PEAR::isError($definition)) {
|
| | | $db->setOption('idxname_format', $idxname_format);
|
| | | return $definition;
|
| | | }
|
| | | $flag = !empty($definition['primary'])
|
| | | ? 'primary_key' : (!empty($definition['unique'])
|
| | | ? 'unique_key' : false);
|
| | | if ($flag) {
|
| | | foreach ($definition['fields'] as $field => $sort) {
|
| | | if (empty($flags[$field]) || $flags[$field] != 'primary_key') {
|
| | | $flags[$field] = $flag;
|
| | | }
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | $res = array();
|
| | |
|
| | | if ($mode) {
|
| | | $res['num_fields'] = count($fields);
|
| | | }
|
| | |
|
| | | foreach ($fields as $i => $field) {
|
| | | $definition = $this->getTableFieldDefinition($result, $field);
|
| | | if (PEAR::isError($definition)) {
|
| | | $db->setOption('idxname_format', $idxname_format);
|
| | | return $definition;
|
| | | }
|
| | | $res[$i] = $definition[0];
|
| | | $res[$i]['name'] = $field;
|
| | | $res[$i]['table'] = $result;
|
| | | $res[$i]['type'] = preg_replace('/^([a-z]+).*$/i', '\\1', trim($definition[0]['nativetype']));
|
| | | // 'primary_key', 'unique_key', 'multiple_key'
|
| | | $res[$i]['flags'] = empty($flags[$field]) ? '' : $flags[$field];
|
| | | // not_null', 'unsigned', 'auto_increment', 'default_[rawencodedvalue]'
|
| | | if (!empty($res[$i]['notnull'])) {
|
| | | $res[$i]['flags'].= ' not_null';
|
| | | }
|
| | | if (!empty($res[$i]['unsigned'])) {
|
| | | $res[$i]['flags'].= ' unsigned';
|
| | | }
|
| | | if (!empty($res[$i]['auto_increment'])) {
|
| | | $res[$i]['flags'].= ' autoincrement';
|
| | | }
|
| | | if (!empty($res[$i]['default'])) {
|
| | | $res[$i]['flags'].= ' default_'.rawurlencode($res[$i]['default']);
|
| | | }
|
| | |
|
| | | 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;
|
| | | }
|
| | | }
|
| | |
|
| | | $db->setOption('idxname_format', $idxname_format);
|
| | | return $res;
|
| | | }
|
| | | }
|
| | | ?> |