diff options
Diffstat (limited to 'program/lib/MDB2/Driver/Reverse/Common.php')
-rw-r--r-- | program/lib/MDB2/Driver/Reverse/Common.php | 1028 |
1 files changed, 516 insertions, 512 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/Common.php b/program/lib/MDB2/Driver/Reverse/Common.php index 18e9da931..5d9f27ccb 100644 --- a/program/lib/MDB2/Driver/Reverse/Common.php +++ b/program/lib/MDB2/Driver/Reverse/Common.php @@ -1,513 +1,517 @@ -<?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;
- }
-}
+<?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 273526 2009-01-14 15:01:21Z quipo $ +// + +/** + * @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 + * + * @param string $table [schema and] table name + * + * @return array array(schema, table) + * @access private + */ + function splitTableSchema($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; + } +} ?>
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