summaryrefslogtreecommitdiff
path: root/program/lib/MDB2/Driver/Reverse/Common.php
diff options
context:
space:
mode:
Diffstat (limited to 'program/lib/MDB2/Driver/Reverse/Common.php')
-rw-r--r--program/lib/MDB2/Driver/Reverse/Common.php1022
1 files changed, 512 insertions, 510 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/Common.php b/program/lib/MDB2/Driver/Reverse/Common.php
index 43a2f251b..18e9da931 100644
--- a/program/lib/MDB2/Driver/Reverse/Common.php
+++ b/program/lib/MDB2/Driver/Reverse/Common.php
@@ -1,511 +1,513 @@
-<?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;
+ }
+}
?> \ No newline at end of file