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| | | // +----------------------------------------------------------------------+ |
| | | // | PHP versions 4 and 5 | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith | |
| | | // | All rights reserved. | |
| | | // +----------------------------------------------------------------------+ |
| | |
| | | // | Author: Lukas Smith <smith@pooteeweet.org> | |
| | | // +----------------------------------------------------------------------+ |
| | | // |
| | | // $Id$ |
| | | // $Id: Common.php 273526 2009-01-14 15:01:21Z quipo $ |
| | | // |
| | | |
| | | /** |
| | |
| | | /** |
| | | * 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 stucture of a field into an array |
| | | * Get the structure of a field into an array |
| | | * |
| | | * @param string $table name of table that should be used in method |
| | | * @param string $fields name of field that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @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) |
| | |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'getTableFieldDefinition: table field definition is not supported'); |
| | | 'method not implemented', __FUNCTION__); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTableIndexDefinition() |
| | | |
| | | /** |
| | | * get the stucture of an index into an array |
| | | * 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) |
| | |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'getTableIndexDefinition: getting index definition is not supported'); |
| | | '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 stucture of a sequence into an array |
| | | * 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) |
| | |
| | | $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__); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | return $db; |
| | | } |
| | | |
| | | return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'tableInfo: method not implemented'); |
| | | if (!is_string($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; |
| | | } |
| | | } |
| | | ?> |