| | |
| | | <?php
|
| | | // +----------------------------------------------------------------------+
|
| | | // | PHP versions 4 and 5 |
|
| | | // +----------------------------------------------------------------------+
|
| | | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
|
| | | // | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton |
|
| | | // | 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. |
|
| | | // +----------------------------------------------------------------------+
|
| | | // | Authors: Lukas Smith <smith@pooteeweet.org> |
|
| | | // | Lorenzo Alberton <l.alberton@quipo.it> |
|
| | | // +----------------------------------------------------------------------+
|
| | | //
|
| | | // $Id: mssql.php,v 1.49 2008/02/17 15:30:57 quipo Exp $
|
| | | //
|
| | |
|
| | | require_once 'MDB2/Driver/Reverse/Common.php';
|
| | |
|
| | | /**
|
| | | * MDB2 MSSQL driver for the schema reverse engineering module
|
| | | *
|
| | | * @package MDB2
|
| | | * @category Database
|
| | | * @author Lukas Smith <smith@dybnet.de>
|
| | | * @author Lorenzo Alberton <l.alberton@quipo.it>
|
| | | */
|
| | | class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common
|
| | | {
|
| | | // {{{ getTableFieldDefinition()
|
| | |
|
| | | /**
|
| | | * Get the structure of a field into an array
|
| | | *
|
| | | * @param string $table_name name of table that should be used in method
|
| | | * @param string $field_name name of field that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * @access public
|
| | | */
|
| | | function getTableFieldDefinition($table_name, $field_name)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | $result = $db->loadModule('Datatype', null, true);
|
| | | if (PEAR::isError($result)) {
|
| | | return $result;
|
| | | }
|
| | |
|
| | | list($schema, $table) = $this->splitTableSchema($table_name);
|
| | |
|
| | | $table = $db->quoteIdentifier($table, true);
|
| | | $fldname = $db->quoteIdentifier($field_name, true);
|
| | |
|
| | | $query = "SELECT t.table_name,
|
| | | c.column_name 'name',
|
| | | c.data_type 'type',
|
| | | CASE c.is_nullable WHEN 'YES' THEN 1 ELSE 0 END AS 'is_nullable',
|
| | | c.column_default,
|
| | | c.character_maximum_length 'length',
|
| | | c.numeric_precision,
|
| | | c.numeric_scale,
|
| | | c.character_set_name,
|
| | | c.collation_name
|
| | | FROM INFORMATION_SCHEMA.TABLES t,
|
| | | INFORMATION_SCHEMA.COLUMNS c
|
| | | WHERE t.table_name = c.table_name
|
| | | AND t.table_name = '$table'
|
| | | AND c.column_name = '$fldname'";
|
| | | if (!empty($schema)) {
|
| | | $query .= " AND t.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
|
| | | }
|
| | | $query .= ' ORDER BY t.table_name';
|
| | | $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
|
| | | if (PEAR::isError($column)) {
|
| | | return $column;
|
| | | }
|
| | | if (empty($column)) {
|
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
| | | 'it was not specified an existing table column', __FUNCTION__);
|
| | | }
|
| | |
|
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
| | | if ($db->options['field_case'] == CASE_LOWER) {
|
| | | $column['name'] = strtolower($column['name']);
|
| | | } else {
|
| | | $column['name'] = strtoupper($column['name']);
|
| | | }
|
| | | } else {
|
| | | $column = array_change_key_case($column, $db->options['field_case']);
|
| | | }
|
| | | $mapped_datatype = $db->datatype->mapNativeDatatype($column);
|
| | | if (PEAR::isError($mapped_datatype)) {
|
| | | return $mapped_datatype;
|
| | | }
|
| | | list($types, $length, $unsigned, $fixed) = $mapped_datatype;
|
| | | $notnull = true;
|
| | | if ($column['is_nullable']) {
|
| | | $notnull = false;
|
| | | }
|
| | | $default = false;
|
| | | if (array_key_exists('column_default', $column)) {
|
| | | $default = $column['column_default'];
|
| | | if (is_null($default) && $notnull) {
|
| | | $default = '';
|
| | | } elseif (strlen($default) > 4
|
| | | && substr($default, 0, 1) == '('
|
| | | && substr($default, -1, 1) == ')'
|
| | | ) {
|
| | | //mssql wraps the default value in parentheses: "((1234))", "(NULL)"
|
| | | $default = trim($default, '()');
|
| | | if ($default == 'NULL') {
|
| | | $default = null;
|
| | | }
|
| | | }
|
| | | }
|
| | | $definition[0] = array(
|
| | | 'notnull' => $notnull,
|
| | | 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
|
| | | );
|
| | | if (!is_null($length)) {
|
| | | $definition[0]['length'] = $length;
|
| | | }
|
| | | if (!is_null($unsigned)) {
|
| | | $definition[0]['unsigned'] = $unsigned;
|
| | | }
|
| | | if (!is_null($fixed)) {
|
| | | $definition[0]['fixed'] = $fixed;
|
| | | }
|
| | | if ($default !== false) {
|
| | | $definition[0]['default'] = $default;
|
| | | }
|
| | | foreach ($types as $key => $type) {
|
| | | $definition[$key] = $definition[0];
|
| | | if ($type == 'clob' || $type == 'blob') {
|
| | | unset($definition[$key]['default']);
|
| | | }
|
| | | $definition[$key]['type'] = $type;
|
| | | $definition[$key]['mdb2type'] = $type;
|
| | | }
|
| | | return $definition;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ getTableIndexDefinition()
|
| | |
|
| | | /**
|
| | | * Get the structure of an index into an array
|
| | | *
|
| | | * @param string $table_name name of table that should be used in method
|
| | | * @param string $index_name name of index that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * @access public
|
| | | */
|
| | | function getTableIndexDefinition($table_name, $index_name)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | list($schema, $table) = $this->splitTableSchema($table_name);
|
| | |
|
| | | $table = $db->quoteIdentifier($table, true);
|
| | | //$idxname = $db->quoteIdentifier($index_name, true);
|
| | |
|
| | | $query = "SELECT OBJECT_NAME(i.id) tablename,
|
| | | i.name indexname,
|
| | | c.name field_name,
|
| | | CASE INDEXKEY_PROPERTY(i.id, i.indid, ik.keyno, 'IsDescending')
|
| | | WHEN 1 THEN 'DESC' ELSE 'ASC'
|
| | | END 'collation',
|
| | | ik.keyno 'position'
|
| | | FROM sysindexes i
|
| | | JOIN sysindexkeys ik ON ik.id = i.id AND ik.indid = i.indid
|
| | | JOIN syscolumns c ON c.id = ik.id AND c.colid = ik.colid
|
| | | WHERE OBJECT_NAME(i.id) = '$table'
|
| | | AND i.name = '%s'
|
| | | AND NOT EXISTS (
|
| | | SELECT *
|
| | | FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
|
| | | WHERE k.table_name = OBJECT_NAME(i.id)
|
| | | AND k.constraint_name = i.name";
|
| | | if (!empty($schema)) {
|
| | | $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
|
| | | }
|
| | | $query .= ')
|
| | | ORDER BY tablename, indexname, ik.keyno';
|
| | |
|
| | | $index_name_mdb2 = $db->getIndexName($index_name);
|
| | | $result = $db->queryRow(sprintf($query, $index_name_mdb2));
|
| | | if (!PEAR::isError($result) && !is_null($result)) {
|
| | | // apply 'idxname_format' only if the query succeeded, otherwise
|
| | | // fallback to the given $index_name, without transformation
|
| | | $index_name = $index_name_mdb2;
|
| | | }
|
| | | $result = $db->query(sprintf($query, $index_name));
|
| | | if (PEAR::isError($result)) {
|
| | | return $result;
|
| | | }
|
| | |
|
| | | $definition = array();
|
| | | while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
|
| | | $column_name = $row['field_name'];
|
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
| | | if ($db->options['field_case'] == CASE_LOWER) {
|
| | | $column_name = strtolower($column_name);
|
| | | } else {
|
| | | $column_name = strtoupper($column_name);
|
| | | }
|
| | | }
|
| | | $definition['fields'][$column_name] = array(
|
| | | 'position' => (int)$row['position'],
|
| | | );
|
| | | if (!empty($row['collation'])) {
|
| | | $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
|
| | | ? 'ascending' : 'descending');
|
| | | }
|
| | | }
|
| | | $result->free();
|
| | | if (empty($definition['fields'])) {
|
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
| | | 'it was not specified an existing table index', __FUNCTION__);
|
| | | }
|
| | | return $definition;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ getTableConstraintDefinition()
|
| | |
|
| | | /**
|
| | | * Get the structure of a constraint into an array
|
| | | *
|
| | | * @param string $table_name name of table that should be used in method
|
| | | * @param string $constraint_name name of constraint that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * @access public
|
| | | */
|
| | | function getTableConstraintDefinition($table_name, $constraint_name)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | list($schema, $table) = $this->splitTableSchema($table_name);
|
| | |
|
| | | $table = $db->quoteIdentifier($table, true);
|
| | | $query = "SELECT k.table_name,
|
| | | k.column_name field_name,
|
| | | CASE c.constraint_type WHEN 'PRIMARY KEY' THEN 1 ELSE 0 END 'primary',
|
| | | CASE c.constraint_type WHEN 'UNIQUE' THEN 1 ELSE 0 END 'unique',
|
| | | CASE c.constraint_type WHEN 'FOREIGN KEY' THEN 1 ELSE 0 END 'foreign',
|
| | | CASE c.constraint_type WHEN 'CHECK' THEN 1 ELSE 0 END 'check',
|
| | | CASE c.is_deferrable WHEN 'NO' THEN 0 ELSE 1 END 'deferrable',
|
| | | CASE c.initially_deferred WHEN 'NO' THEN 0 ELSE 1 END 'initiallydeferred',
|
| | | rc.match_option 'match',
|
| | | rc.update_rule 'onupdate',
|
| | | rc.delete_rule 'ondelete',
|
| | | kcu.table_name 'references_table',
|
| | | kcu.column_name 'references_field',
|
| | | k.ordinal_position 'field_position'
|
| | | FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
|
| | | LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
|
| | | ON k.table_name = c.table_name
|
| | | AND k.table_schema = c.table_schema
|
| | | AND k.table_catalog = c.table_catalog
|
| | | AND k.constraint_catalog = c.constraint_catalog
|
| | | AND k.constraint_name = c.constraint_name
|
| | | LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc
|
| | | ON rc.constraint_schema = c.constraint_schema
|
| | | AND rc.constraint_catalog = c.constraint_catalog
|
| | | AND rc.constraint_name = c.constraint_name
|
| | | LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcu
|
| | | ON rc.unique_constraint_schema = kcu.constraint_schema
|
| | | AND rc.unique_constraint_catalog = kcu.constraint_catalog
|
| | | AND rc.unique_constraint_name = kcu.constraint_name
|
| | | AND k.ordinal_position = kcu.ordinal_position
|
| | | WHERE k.constraint_catalog = DB_NAME()
|
| | | AND k.table_name = '$table'
|
| | | AND k.constraint_name = '%s'";
|
| | | if (!empty($schema)) {
|
| | | $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
|
| | | }
|
| | | $query .= ' ORDER BY k.constraint_name,
|
| | | k.ordinal_position';
|
| | |
|
| | | $constraint_name_mdb2 = $db->getIndexName($constraint_name);
|
| | | $result = $db->queryRow(sprintf($query, $constraint_name_mdb2));
|
| | | if (!PEAR::isError($result) && !is_null($result)) {
|
| | | // apply 'idxname_format' only if the query succeeded, otherwise
|
| | | // fallback to the given $index_name, without transformation
|
| | | $constraint_name = $constraint_name_mdb2;
|
| | | }
|
| | | $result = $db->query(sprintf($query, $constraint_name));
|
| | | if (PEAR::isError($result)) {
|
| | | return $result;
|
| | | }
|
| | |
|
| | | $definition = array(
|
| | | 'fields' => array()
|
| | | );
|
| | | while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
|
| | | $row = array_change_key_case($row, CASE_LOWER);
|
| | | $column_name = $row['field_name'];
|
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
| | | if ($db->options['field_case'] == CASE_LOWER) {
|
| | | $column_name = strtolower($column_name);
|
| | | } else {
|
| | | $column_name = strtoupper($column_name);
|
| | | }
|
| | | }
|
| | | $definition['fields'][$column_name] = array(
|
| | | 'position' => (int)$row['field_position']
|
| | | );
|
| | | if ($row['foreign']) {
|
| | | $ref_column_name = $row['references_field'];
|
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
| | | if ($db->options['field_case'] == CASE_LOWER) {
|
| | | $ref_column_name = strtolower($ref_column_name);
|
| | | } else {
|
| | | $ref_column_name = strtoupper($ref_column_name);
|
| | | }
|
| | | }
|
| | | $definition['references']['table'] = $row['references_table'];
|
| | | $definition['references']['fields'][$ref_column_name] = array(
|
| | | 'position' => (int)$row['field_position']
|
| | | );
|
| | | }
|
| | | //collation?!?
|
| | | /*
|
| | | if (!empty($row['collation'])) {
|
| | | $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
|
| | | ? 'ascending' : 'descending');
|
| | | }
|
| | | */
|
| | | $lastrow = $row;
|
| | | // otherwise $row is no longer usable on exit from loop
|
| | | }
|
| | | $result->free();
|
| | | if (empty($definition['fields'])) {
|
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
| | | $constraint_name . ' is not an existing table constraint', __FUNCTION__);
|
| | | }
|
| | |
|
| | | $definition['primary'] = (boolean)$lastrow['primary'];
|
| | | $definition['unique'] = (boolean)$lastrow['unique'];
|
| | | $definition['foreign'] = (boolean)$lastrow['foreign'];
|
| | | $definition['check'] = (boolean)$lastrow['check'];
|
| | | $definition['deferrable'] = (boolean)$lastrow['deferrable'];
|
| | | $definition['initiallydeferred'] = (boolean)$lastrow['initiallydeferred'];
|
| | | $definition['onupdate'] = $lastrow['onupdate'];
|
| | | $definition['ondelete'] = $lastrow['ondelete'];
|
| | | $definition['match'] = $lastrow['match'];
|
| | |
|
| | | 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 $trigger name of trigger that should be used in method
|
| | | * @return mixed data array on success, a MDB2 error on failure
|
| | | * @access public
|
| | | */
|
| | | function getTriggerDefinition($trigger)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | $query = "SELECT sys1.name trigger_name,
|
| | | sys2.name table_name,
|
| | | c.text trigger_body,
|
| | | c.encrypted is_encripted,
|
| | | CASE
|
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsTriggerDisabled') = 1
|
| | | THEN 0 ELSE 1
|
| | | END trigger_enabled,
|
| | | CASE
|
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1
|
| | | THEN 'INSERT'
|
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1
|
| | | THEN 'UPDATE'
|
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1
|
| | | THEN 'DELETE'
|
| | | END trigger_event,
|
| | | CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1
|
| | | THEN 'INSTEAD OF' ELSE 'AFTER'
|
| | | END trigger_type,
|
| | | '' trigger_comment
|
| | | FROM sysobjects sys1
|
| | | JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id
|
| | | JOIN syscomments c ON sys1.id = c.id
|
| | | WHERE sys1.xtype = 'TR'
|
| | | AND sys1.name = ". $db->quote($trigger, 'text');
|
| | |
|
| | | $types = array(
|
| | | 'trigger_name' => 'text',
|
| | | 'table_name' => 'text',
|
| | | 'trigger_body' => 'text',
|
| | | 'trigger_type' => 'text',
|
| | | 'trigger_event' => 'text',
|
| | | 'trigger_comment' => 'text',
|
| | | 'trigger_enabled' => 'boolean',
|
| | | 'is_encripted' => 'boolean',
|
| | | );
|
| | |
|
| | | $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
|
| | | if (PEAR::isError($def)) {
|
| | | return $def;
|
| | | }
|
| | | $trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text');
|
| | | if (!PEAR::isError($trg_body)) {
|
| | | $def['trigger_body'] = implode(' ', $trg_body);
|
| | | }
|
| | | return $def;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ tableInfo()
|
| | |
|
| | | /**
|
| | | * Returns information about a table or a result set
|
| | | *
|
| | | * NOTE: only supports 'table' and 'flags' if <var>$result</var>
|
| | | * is a table name.
|
| | | *
|
| | | * @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 $mode a valid tableInfo mode
|
| | | *
|
| | | * @return array an associative array with the information requested.
|
| | | * A MDB2_Error object on failure.
|
| | | *
|
| | | * @see MDB2_Driver_Common::tableInfo()
|
| | | */
|
| | | function tableInfo($result, $mode = null)
|
| | | {
|
| | | if (is_string($result)) {
|
| | | return parent::tableInfo($result, $mode);
|
| | | }
|
| | |
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
|
| | | if (!is_resource($resource)) {
|
| | | return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
| | | 'Could not generate result resource', __FUNCTION__);
|
| | | }
|
| | |
|
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
| | | if ($db->options['field_case'] == CASE_LOWER) {
|
| | | $case_func = 'strtolower';
|
| | | } else {
|
| | | $case_func = 'strtoupper';
|
| | | }
|
| | | } else {
|
| | | $case_func = 'strval';
|
| | | }
|
| | |
|
| | | $count = @mssql_num_fields($resource);
|
| | | $res = array();
|
| | |
|
| | | if ($mode) {
|
| | | $res['num_fields'] = $count;
|
| | | }
|
| | |
|
| | | $db->loadModule('Datatype', null, true);
|
| | | for ($i = 0; $i < $count; $i++) {
|
| | | $res[$i] = array(
|
| | | 'table' => '',
|
| | | 'name' => $case_func(@mssql_field_name($resource, $i)),
|
| | | 'type' => @mssql_field_type($resource, $i),
|
| | | 'length' => @mssql_field_length($resource, $i),
|
| | | 'flags' => '',
|
| | | );
|
| | | $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
|
| | | if (PEAR::isError($mdb2type_info)) {
|
| | | return $mdb2type_info;
|
| | | }
|
| | | $res[$i]['mdb2type'] = $mdb2type_info[0][0];
|
| | | if ($mode & MDB2_TABLEINFO_ORDER) {
|
| | | $res['order'][$res[$i]['name']] = $i;
|
| | | }
|
| | | if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
|
| | | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
|
| | | }
|
| | | }
|
| | |
|
| | | return $res;
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _mssql_field_flags()
|
| | |
|
| | | /**
|
| | | * Get a column's flags
|
| | | *
|
| | | * Supports "not_null", "primary_key",
|
| | | * "auto_increment" (mssql identity), "timestamp" (mssql timestamp),
|
| | | * "unique_key" (mssql unique index, unique check or primary_key) and
|
| | | * "multiple_key" (multikey index)
|
| | | *
|
| | | * mssql timestamp is NOT similar to the mysql timestamp so this is maybe
|
| | | * not useful at all - is the behaviour of mysql_field_flags that primary
|
| | | * keys are alway unique? is the interpretation of multiple_key correct?
|
| | | *
|
| | | * @param string $table the table name
|
| | | * @param string $column the field name
|
| | | *
|
| | | * @return string the flags
|
| | | *
|
| | | * @access protected
|
| | | * @author Joern Barthel <j_barthel@web.de>
|
| | | */
|
| | | function _mssql_field_flags($table, $column)
|
| | | {
|
| | | $db =& $this->getDBInstance();
|
| | | if (PEAR::isError($db)) {
|
| | | return $db;
|
| | | }
|
| | |
|
| | | static $tableName = null;
|
| | | static $flags = array();
|
| | |
|
| | | if ($table != $tableName) {
|
| | |
|
| | | $flags = array();
|
| | | $tableName = $table;
|
| | |
|
| | | // get unique and primary keys
|
| | | $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC);
|
| | |
|
| | | foreach ($res as $val) {
|
| | | $val = array_change_key_case($val, CASE_LOWER);
|
| | | $keys = explode(', ', $val['index_keys']);
|
| | |
|
| | | if (sizeof($keys) > 1) {
|
| | | foreach ($keys as $key) {
|
| | | $this->_add_flag($flags[$key], 'multiple_key');
|
| | | }
|
| | | }
|
| | |
|
| | | if (strpos($val['index_description'], 'primary key')) {
|
| | | foreach ($keys as $key) {
|
| | | $this->_add_flag($flags[$key], 'primary_key');
|
| | | }
|
| | | } elseif (strpos($val['index_description'], 'unique')) {
|
| | | foreach ($keys as $key) {
|
| | | $this->_add_flag($flags[$key], 'unique_key');
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | // get auto_increment, not_null and timestamp
|
| | | $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC);
|
| | |
|
| | | foreach ($res as $val) {
|
| | | $val = array_change_key_case($val, CASE_LOWER);
|
| | | if ($val['nullable'] == '0') {
|
| | | $this->_add_flag($flags[$val['column_name']], 'not_null');
|
| | | }
|
| | | if (strpos($val['type_name'], 'identity')) {
|
| | | $this->_add_flag($flags[$val['column_name']], 'auto_increment');
|
| | | }
|
| | | if (strpos($val['type_name'], 'timestamp')) {
|
| | | $this->_add_flag($flags[$val['column_name']], 'timestamp');
|
| | | }
|
| | | }
|
| | | }
|
| | |
|
| | | if (!empty($flags[$column])) {
|
| | | return(implode(' ', $flags[$column]));
|
| | | }
|
| | | return '';
|
| | | }
|
| | |
|
| | | // }}}
|
| | | // {{{ _add_flag()
|
| | |
|
| | | /**
|
| | | * Adds a string to the flags array if the flag is not yet in there
|
| | | * - if there is no flag present the array is created
|
| | | *
|
| | | * @param array &$array the reference to the flag-array
|
| | | * @param string $value the flag value
|
| | | *
|
| | | * @return void
|
| | | *
|
| | | * @access protected
|
| | | * @author Joern Barthel <j_barthel@web.de>
|
| | | */
|
| | | function _add_flag(&$array, $value)
|
| | | {
|
| | | if (!is_array($array)) {
|
| | | $array = array($value);
|
| | | } elseif (!in_array($value, $array)) {
|
| | | array_push($array, $value);
|
| | | }
|
| | | }
|
| | |
|
| | | // }}}
|
| | | }
|
| | | <?php |
| | | // +----------------------------------------------------------------------+ |
| | | // | PHP versions 4 and 5 | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton | |
| | | // | 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. | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Authors: Lukas Smith <smith@pooteeweet.org> | |
| | | // | Lorenzo Alberton <l.alberton@quipo.it> | |
| | | // +----------------------------------------------------------------------+ |
| | | // |
| | | // $Id: mssql.php 292715 2009-12-28 14:06:34Z quipo $ |
| | | // |
| | | |
| | | require_once 'MDB2/Driver/Reverse/Common.php'; |
| | | |
| | | /** |
| | | * MDB2 MSSQL driver for the schema reverse engineering module |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@dybnet.de> |
| | | * @author Lorenzo Alberton <l.alberton@quipo.it> |
| | | */ |
| | | class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common |
| | | { |
| | | // {{{ getTableFieldDefinition() |
| | | |
| | | /** |
| | | * Get the structure of a field into an array |
| | | * |
| | | * @param string $table_name name of table that should be used in method |
| | | * @param string $field_name name of field that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getTableFieldDefinition($table_name, $field_name) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $result = $db->loadModule('Datatype', null, true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | |
| | | list($schema, $table) = $this->splitTableSchema($table_name); |
| | | |
| | | $table = $db->quoteIdentifier($table, true); |
| | | $fldname = $db->quoteIdentifier($field_name, true); |
| | | |
| | | $query = "SELECT t.table_name, |
| | | c.column_name 'name', |
| | | c.data_type 'type', |
| | | CASE c.is_nullable WHEN 'YES' THEN 1 ELSE 0 END AS 'is_nullable', |
| | | c.column_default, |
| | | c.character_maximum_length 'length', |
| | | c.numeric_precision, |
| | | c.numeric_scale, |
| | | c.character_set_name, |
| | | c.collation_name |
| | | FROM INFORMATION_SCHEMA.TABLES t, |
| | | INFORMATION_SCHEMA.COLUMNS c |
| | | WHERE t.table_name = c.table_name |
| | | AND t.table_name = '$table' |
| | | AND c.column_name = '$fldname'"; |
| | | if (!empty($schema)) { |
| | | $query .= " AND t.table_schema = '" .$db->quoteIdentifier($schema, true) ."'"; |
| | | } |
| | | $query .= ' ORDER BY t.table_name'; |
| | | $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC); |
| | | if (PEAR::isError($column)) { |
| | | return $column; |
| | | } |
| | | if (empty($column)) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'it was not specified an existing table column', __FUNCTION__); |
| | | } |
| | | |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | if ($db->options['field_case'] == CASE_LOWER) { |
| | | $column['name'] = strtolower($column['name']); |
| | | } else { |
| | | $column['name'] = strtoupper($column['name']); |
| | | } |
| | | } else { |
| | | $column = array_change_key_case($column, $db->options['field_case']); |
| | | } |
| | | $mapped_datatype = $db->datatype->mapNativeDatatype($column); |
| | | if (PEAR::isError($mapped_datatype)) { |
| | | return $mapped_datatype; |
| | | } |
| | | list($types, $length, $unsigned, $fixed) = $mapped_datatype; |
| | | $notnull = true; |
| | | if ($column['is_nullable']) { |
| | | $notnull = false; |
| | | } |
| | | $default = false; |
| | | if (array_key_exists('column_default', $column)) { |
| | | $default = $column['column_default']; |
| | | if ((null === $default) && $notnull) { |
| | | $default = ''; |
| | | } elseif (strlen($default) > 4 |
| | | && substr($default, 0, 1) == '(' |
| | | && substr($default, -1, 1) == ')' |
| | | ) { |
| | | //mssql wraps the default value in parentheses: "((1234))", "(NULL)" |
| | | $default = trim($default, '()'); |
| | | if ($default == 'NULL') { |
| | | $default = null; |
| | | } |
| | | } |
| | | } |
| | | $definition[0] = array( |
| | | 'notnull' => $notnull, |
| | | 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type']) |
| | | ); |
| | | if (null !== $length) { |
| | | $definition[0]['length'] = $length; |
| | | } |
| | | if (null !== $unsigned) { |
| | | $definition[0]['unsigned'] = $unsigned; |
| | | } |
| | | if (null !== $fixed) { |
| | | $definition[0]['fixed'] = $fixed; |
| | | } |
| | | if (false !== $default) { |
| | | $definition[0]['default'] = $default; |
| | | } |
| | | foreach ($types as $key => $type) { |
| | | $definition[$key] = $definition[0]; |
| | | if ($type == 'clob' || $type == 'blob') { |
| | | unset($definition[$key]['default']); |
| | | } |
| | | $definition[$key]['type'] = $type; |
| | | $definition[$key]['mdb2type'] = $type; |
| | | } |
| | | return $definition; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTableIndexDefinition() |
| | | |
| | | /** |
| | | * Get the structure of an index into an array |
| | | * |
| | | * @param string $table_name name of table that should be used in method |
| | | * @param string $index_name name of index that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getTableIndexDefinition($table_name, $index_name) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | list($schema, $table) = $this->splitTableSchema($table_name); |
| | | |
| | | $table = $db->quoteIdentifier($table, true); |
| | | //$idxname = $db->quoteIdentifier($index_name, true); |
| | | |
| | | $query = "SELECT OBJECT_NAME(i.id) tablename, |
| | | i.name indexname, |
| | | c.name field_name, |
| | | CASE INDEXKEY_PROPERTY(i.id, i.indid, ik.keyno, 'IsDescending') |
| | | WHEN 1 THEN 'DESC' ELSE 'ASC' |
| | | END 'collation', |
| | | ik.keyno 'position' |
| | | FROM sysindexes i |
| | | JOIN sysindexkeys ik ON ik.id = i.id AND ik.indid = i.indid |
| | | JOIN syscolumns c ON c.id = ik.id AND c.colid = ik.colid |
| | | WHERE OBJECT_NAME(i.id) = '$table' |
| | | AND i.name = '%s' |
| | | AND NOT EXISTS ( |
| | | SELECT * |
| | | FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k |
| | | WHERE k.table_name = OBJECT_NAME(i.id) |
| | | AND k.constraint_name = i.name"; |
| | | if (!empty($schema)) { |
| | | $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'"; |
| | | } |
| | | $query .= ') |
| | | ORDER BY tablename, indexname, ik.keyno'; |
| | | |
| | | $index_name_mdb2 = $db->getIndexName($index_name); |
| | | $result = $db->queryRow(sprintf($query, $index_name_mdb2)); |
| | | if (!PEAR::isError($result) && (null !== $result)) { |
| | | // apply 'idxname_format' only if the query succeeded, otherwise |
| | | // fallback to the given $index_name, without transformation |
| | | $index_name = $index_name_mdb2; |
| | | } |
| | | $result = $db->query(sprintf($query, $index_name)); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | |
| | | $definition = array(); |
| | | while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) { |
| | | $column_name = $row['field_name']; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | if ($db->options['field_case'] == CASE_LOWER) { |
| | | $column_name = strtolower($column_name); |
| | | } else { |
| | | $column_name = strtoupper($column_name); |
| | | } |
| | | } |
| | | $definition['fields'][$column_name] = array( |
| | | 'position' => (int)$row['position'], |
| | | ); |
| | | if (!empty($row['collation'])) { |
| | | $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC' |
| | | ? 'ascending' : 'descending'); |
| | | } |
| | | } |
| | | $result->free(); |
| | | if (empty($definition['fields'])) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'it was not specified an existing table index', __FUNCTION__); |
| | | } |
| | | return $definition; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getTableConstraintDefinition() |
| | | |
| | | /** |
| | | * Get the structure of a constraint into an array |
| | | * |
| | | * @param string $table_name name of table that should be used in method |
| | | * @param string $constraint_name name of constraint that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getTableConstraintDefinition($table_name, $constraint_name) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | list($schema, $table) = $this->splitTableSchema($table_name); |
| | | |
| | | $table = $db->quoteIdentifier($table, true); |
| | | $query = "SELECT k.table_name, |
| | | k.column_name field_name, |
| | | CASE c.constraint_type WHEN 'PRIMARY KEY' THEN 1 ELSE 0 END 'primary', |
| | | CASE c.constraint_type WHEN 'UNIQUE' THEN 1 ELSE 0 END 'unique', |
| | | CASE c.constraint_type WHEN 'FOREIGN KEY' THEN 1 ELSE 0 END 'foreign', |
| | | CASE c.constraint_type WHEN 'CHECK' THEN 1 ELSE 0 END 'check', |
| | | CASE c.is_deferrable WHEN 'NO' THEN 0 ELSE 1 END 'deferrable', |
| | | CASE c.initially_deferred WHEN 'NO' THEN 0 ELSE 1 END 'initiallydeferred', |
| | | rc.match_option 'match', |
| | | rc.update_rule 'onupdate', |
| | | rc.delete_rule 'ondelete', |
| | | kcu.table_name 'references_table', |
| | | kcu.column_name 'references_field', |
| | | k.ordinal_position 'field_position' |
| | | FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k |
| | | LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c |
| | | ON k.table_name = c.table_name |
| | | AND k.table_schema = c.table_schema |
| | | AND k.table_catalog = c.table_catalog |
| | | AND k.constraint_catalog = c.constraint_catalog |
| | | AND k.constraint_name = c.constraint_name |
| | | LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc |
| | | ON rc.constraint_schema = c.constraint_schema |
| | | AND rc.constraint_catalog = c.constraint_catalog |
| | | AND rc.constraint_name = c.constraint_name |
| | | LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcu |
| | | ON rc.unique_constraint_schema = kcu.constraint_schema |
| | | AND rc.unique_constraint_catalog = kcu.constraint_catalog |
| | | AND rc.unique_constraint_name = kcu.constraint_name |
| | | AND k.ordinal_position = kcu.ordinal_position |
| | | WHERE k.constraint_catalog = DB_NAME() |
| | | AND k.table_name = '$table' |
| | | AND k.constraint_name = '%s'"; |
| | | if (!empty($schema)) { |
| | | $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'"; |
| | | } |
| | | $query .= ' ORDER BY k.constraint_name, |
| | | k.ordinal_position'; |
| | | |
| | | $constraint_name_mdb2 = $db->getIndexName($constraint_name); |
| | | $result = $db->queryRow(sprintf($query, $constraint_name_mdb2)); |
| | | if (!PEAR::isError($result) && (null !== $result)) { |
| | | // apply 'idxname_format' only if the query succeeded, otherwise |
| | | // fallback to the given $index_name, without transformation |
| | | $constraint_name = $constraint_name_mdb2; |
| | | } |
| | | $result = $db->query(sprintf($query, $constraint_name)); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | |
| | | $definition = array( |
| | | 'fields' => array() |
| | | ); |
| | | while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) { |
| | | $row = array_change_key_case($row, CASE_LOWER); |
| | | $column_name = $row['field_name']; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | if ($db->options['field_case'] == CASE_LOWER) { |
| | | $column_name = strtolower($column_name); |
| | | } else { |
| | | $column_name = strtoupper($column_name); |
| | | } |
| | | } |
| | | $definition['fields'][$column_name] = array( |
| | | 'position' => (int)$row['field_position'] |
| | | ); |
| | | if ($row['foreign']) { |
| | | $ref_column_name = $row['references_field']; |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | if ($db->options['field_case'] == CASE_LOWER) { |
| | | $ref_column_name = strtolower($ref_column_name); |
| | | } else { |
| | | $ref_column_name = strtoupper($ref_column_name); |
| | | } |
| | | } |
| | | $definition['references']['table'] = $row['references_table']; |
| | | $definition['references']['fields'][$ref_column_name] = array( |
| | | 'position' => (int)$row['field_position'] |
| | | ); |
| | | } |
| | | //collation?!? |
| | | /* |
| | | if (!empty($row['collation'])) { |
| | | $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC' |
| | | ? 'ascending' : 'descending'); |
| | | } |
| | | */ |
| | | $lastrow = $row; |
| | | // otherwise $row is no longer usable on exit from loop |
| | | } |
| | | $result->free(); |
| | | if (empty($definition['fields'])) { |
| | | return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | $constraint_name . ' is not an existing table constraint', __FUNCTION__); |
| | | } |
| | | |
| | | $definition['primary'] = (boolean)$lastrow['primary']; |
| | | $definition['unique'] = (boolean)$lastrow['unique']; |
| | | $definition['foreign'] = (boolean)$lastrow['foreign']; |
| | | $definition['check'] = (boolean)$lastrow['check']; |
| | | $definition['deferrable'] = (boolean)$lastrow['deferrable']; |
| | | $definition['initiallydeferred'] = (boolean)$lastrow['initiallydeferred']; |
| | | $definition['onupdate'] = $lastrow['onupdate']; |
| | | $definition['ondelete'] = $lastrow['ondelete']; |
| | | $definition['match'] = $lastrow['match']; |
| | | |
| | | 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 $trigger name of trigger that should be used in method |
| | | * @return mixed data array on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function getTriggerDefinition($trigger) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $query = "SELECT sys1.name trigger_name, |
| | | sys2.name table_name, |
| | | c.text trigger_body, |
| | | c.encrypted is_encripted, |
| | | CASE |
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsTriggerDisabled') = 1 |
| | | THEN 0 ELSE 1 |
| | | END trigger_enabled, |
| | | CASE |
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1 |
| | | THEN 'INSERT' |
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1 |
| | | THEN 'UPDATE' |
| | | WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1 |
| | | THEN 'DELETE' |
| | | END trigger_event, |
| | | CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1 |
| | | THEN 'INSTEAD OF' ELSE 'AFTER' |
| | | END trigger_type, |
| | | '' trigger_comment |
| | | FROM sysobjects sys1 |
| | | JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id |
| | | JOIN syscomments c ON sys1.id = c.id |
| | | WHERE sys1.xtype = 'TR' |
| | | AND sys1.name = ". $db->quote($trigger, 'text'); |
| | | |
| | | $types = array( |
| | | 'trigger_name' => 'text', |
| | | 'table_name' => 'text', |
| | | 'trigger_body' => 'text', |
| | | 'trigger_type' => 'text', |
| | | 'trigger_event' => 'text', |
| | | 'trigger_comment' => 'text', |
| | | 'trigger_enabled' => 'boolean', |
| | | 'is_encripted' => 'boolean', |
| | | ); |
| | | |
| | | $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC); |
| | | if (PEAR::isError($def)) { |
| | | return $def; |
| | | } |
| | | $trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text'); |
| | | if (!PEAR::isError($trg_body)) { |
| | | $def['trigger_body'] = implode(' ', $trg_body); |
| | | } |
| | | return $def; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ tableInfo() |
| | | |
| | | /** |
| | | * Returns information about a table or a result set |
| | | * |
| | | * NOTE: only supports 'table' and 'flags' if <var>$result</var> |
| | | * is a table name. |
| | | * |
| | | * @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 $mode a valid tableInfo mode |
| | | * |
| | | * @return array an associative array with the information requested. |
| | | * A MDB2_Error object on failure. |
| | | * |
| | | * @see MDB2_Driver_Common::tableInfo() |
| | | */ |
| | | function tableInfo($result, $mode = null) |
| | | { |
| | | if (is_string($result)) { |
| | | return parent::tableInfo($result, $mode); |
| | | } |
| | | |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result; |
| | | if (!is_resource($resource)) { |
| | | return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, |
| | | 'Could not generate result resource', __FUNCTION__); |
| | | } |
| | | |
| | | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { |
| | | if ($db->options['field_case'] == CASE_LOWER) { |
| | | $case_func = 'strtolower'; |
| | | } else { |
| | | $case_func = 'strtoupper'; |
| | | } |
| | | } else { |
| | | $case_func = 'strval'; |
| | | } |
| | | |
| | | $count = @mssql_num_fields($resource); |
| | | $res = array(); |
| | | |
| | | if ($mode) { |
| | | $res['num_fields'] = $count; |
| | | } |
| | | |
| | | $db->loadModule('Datatype', null, true); |
| | | for ($i = 0; $i < $count; $i++) { |
| | | $res[$i] = array( |
| | | 'table' => '', |
| | | 'name' => $case_func(@mssql_field_name($resource, $i)), |
| | | 'type' => @mssql_field_type($resource, $i), |
| | | 'length' => @mssql_field_length($resource, $i), |
| | | 'flags' => '', |
| | | ); |
| | | $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]); |
| | | if (PEAR::isError($mdb2type_info)) { |
| | | return $mdb2type_info; |
| | | } |
| | | $res[$i]['mdb2type'] = $mdb2type_info[0][0]; |
| | | if ($mode & MDB2_TABLEINFO_ORDER) { |
| | | $res['order'][$res[$i]['name']] = $i; |
| | | } |
| | | if ($mode & MDB2_TABLEINFO_ORDERTABLE) { |
| | | $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; |
| | | } |
| | | } |
| | | |
| | | return $res; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _mssql_field_flags() |
| | | |
| | | /** |
| | | * Get a column's flags |
| | | * |
| | | * Supports "not_null", "primary_key", |
| | | * "auto_increment" (mssql identity), "timestamp" (mssql timestamp), |
| | | * "unique_key" (mssql unique index, unique check or primary_key) and |
| | | * "multiple_key" (multikey index) |
| | | * |
| | | * mssql timestamp is NOT similar to the mysql timestamp so this is maybe |
| | | * not useful at all - is the behaviour of mysql_field_flags that primary |
| | | * keys are alway unique? is the interpretation of multiple_key correct? |
| | | * |
| | | * @param string $table the table name |
| | | * @param string $column the field name |
| | | * |
| | | * @return string the flags |
| | | * |
| | | * @access protected |
| | | * @author Joern Barthel <j_barthel@web.de> |
| | | */ |
| | | function _mssql_field_flags($table, $column) |
| | | { |
| | | $db =& $this->getDBInstance(); |
| | | if (PEAR::isError($db)) { |
| | | return $db; |
| | | } |
| | | |
| | | static $tableName = null; |
| | | static $flags = array(); |
| | | |
| | | if ($table != $tableName) { |
| | | |
| | | $flags = array(); |
| | | $tableName = $table; |
| | | |
| | | // get unique and primary keys |
| | | $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC); |
| | | |
| | | foreach ($res as $val) { |
| | | $val = array_change_key_case($val, CASE_LOWER); |
| | | $keys = explode(', ', $val['index_keys']); |
| | | |
| | | if (sizeof($keys) > 1) { |
| | | foreach ($keys as $key) { |
| | | $this->_add_flag($flags[$key], 'multiple_key'); |
| | | } |
| | | } |
| | | |
| | | if (strpos($val['index_description'], 'primary key')) { |
| | | foreach ($keys as $key) { |
| | | $this->_add_flag($flags[$key], 'primary_key'); |
| | | } |
| | | } elseif (strpos($val['index_description'], 'unique')) { |
| | | foreach ($keys as $key) { |
| | | $this->_add_flag($flags[$key], 'unique_key'); |
| | | } |
| | | } |
| | | } |
| | | |
| | | // get auto_increment, not_null and timestamp |
| | | $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC); |
| | | |
| | | foreach ($res as $val) { |
| | | $val = array_change_key_case($val, CASE_LOWER); |
| | | if ($val['nullable'] == '0') { |
| | | $this->_add_flag($flags[$val['column_name']], 'not_null'); |
| | | } |
| | | if (strpos($val['type_name'], 'identity')) { |
| | | $this->_add_flag($flags[$val['column_name']], 'auto_increment'); |
| | | } |
| | | if (strpos($val['type_name'], 'timestamp')) { |
| | | $this->_add_flag($flags[$val['column_name']], 'timestamp'); |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (!empty($flags[$column])) { |
| | | return(implode(' ', $flags[$column])); |
| | | } |
| | | return ''; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _add_flag() |
| | | |
| | | /** |
| | | * Adds a string to the flags array if the flag is not yet in there |
| | | * - if there is no flag present the array is created |
| | | * |
| | | * @param array &$array the reference to the flag-array |
| | | * @param string $value the flag value |
| | | * |
| | | * @return void |
| | | * |
| | | * @access protected |
| | | * @author Joern Barthel <j_barthel@web.de> |
| | | */ |
| | | function _add_flag(&$array, $value) |
| | | { |
| | | if (!is_array($array)) { |
| | | $array = array($value); |
| | | } elseif (!in_array($value, $array)) { |
| | | array_push($array, $value); |
| | | } |
| | | } |
| | | |
| | | // }}} |
| | | } |
| | | ?> |