diff options
| author | till <till@php.net> | 2008-02-03 12:58:34 +0000 |
|---|---|---|
| committer | till <till@php.net> | 2008-02-03 12:58:34 +0000 |
| commit | 95ebbc985a0e64a364e880de89dbc1ae7952d91e (patch) | |
| tree | 78474efc88790b6d88e4976b51c7bebb5d017a37 /program/lib/MDB2/Driver/Reverse/mssql.php | |
| parent | 9f5bd376b47f41924ede3d8136302d0f7b81c89f (diff) | |
* putting latest MDB2 into SVN
* adding MDB2 drivers for mssql, mysql, mysqli, pgsql, sqlite
Diffstat (limited to 'program/lib/MDB2/Driver/Reverse/mssql.php')
| -rw-r--r-- | program/lib/MDB2/Driver/Reverse/mssql.php | 653 |
1 files changed, 653 insertions, 0 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/mssql.php b/program/lib/MDB2/Driver/Reverse/mssql.php new file mode 100644 index 000000000..a27c95d57 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/mssql.php @@ -0,0 +1,653 @@ +<?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 1.48 2007/11/25 13:38:29 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);
+ }
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file |