Source for file ibase.php
Documentation is available at ibase.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 |
// | 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: Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
// $Id: ibase.php,v 1.70 2007/05/03 12:34:41 quipo Exp $
require_once 'MDB2/Driver/Reverse/Common.php';
* MDB2 InterbaseBase driver for the reverse engineering module
* @author Lorenzo Alberton <l.alberton@quipo.it>
* Array for converting constant values to text values
12 => 'date', //dialect 3 DATE
35 => 'timestamp', //DATE in older versions
* Array for converting constant values to text values
1 => 'fixed', //BINARY data
2 => 'BLR', //Binary Language Representation
3 => 'access control list',
4 => 'reserved for future use',
5 => 'encoded description of a table\'s current metadata',
6 => 'description of multi-database transaction that finished irregularly',
// {{{ 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 name of field that should be used in method
* @return mixed data array on success, a MDB2 error on failure
$db = & $this->getDBInstance ();
if (PEAR ::isError ($db)) {
$result = $db->loadModule ('Datatype', null , true );
if (PEAR ::isError ($result)) {
$field_name = $db->quote (strtoupper($field_name), 'text');
$query = " SELECT RDB\$RELATION_FIELDS.RDB\$FIELD_NAME AS name,
RDB\$FIELDS.RDB\$FIELD_LENGTH AS \"length\",
RDB\$FIELDS.RDB\$FIELD_PRECISION AS \"precision\",
(RDB\$FIELDS.RDB\$FIELD_SCALE * -1) AS \"scale\",
RDB\$FIELDS.RDB\$FIELD_TYPE AS field_type_code,
RDB\$FIELDS.RDB\$FIELD_SUB_TYPE AS field_sub_type_code,
RDB\$RELATION_FIELDS.RDB\$DESCRIPTION AS description,
RDB\$RELATION_FIELDS.RDB\$NULL_FLAG AS null_flag,
RDB\$FIELDS.RDB\$DEFAULT_SOURCE AS default_source
LEFT JOIN RDB\$RELATION_FIELDS ON RDB\$FIELDS.RDB\$FIELD_NAME = RDB\$RELATION_FIELDS.RDB\$FIELD_SOURCE
WHERE UPPER(RDB\$RELATION_FIELDS.RDB\$RELATION_NAME)=$table
AND UPPER(RDB\$RELATION_FIELDS.RDB\$FIELD_NAME)=$field_name;";
$column = $db->queryRow ($query, null , MDB2_FETCHMODE_ASSOC );
if (PEAR ::isError ($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 ) {
? $this->types[(int) $column['field_type_code']] : 'undefined';
if ($column['field_sub_type_code']
$column['field_sub_type'] = $this->subtypes[(int) $column['field_type_code']][$column['field_sub_type_code']];
$column['field_sub_type'] = null;
$mapped_datatype = $db->datatype ->mapNativeDatatype ($column);
if (PEAR ::IsError ($mapped_datatype)) {
list ($types, $length, $unsigned, $fixed) = $mapped_datatype;
$notnull = !empty ($column['null_flag']);
$default = $column['default_source'];
if (is_null($default) && $notnull) {
$default = ($types[0 ] == 'integer') ? 0 : '';
$definition[0 ] = array ('notnull' => $notnull, 'nativetype' => $column['type']);
$definition[0 ]['length'] = $length;
$definition[0 ]['unsigned'] = $unsigned;
$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;
// {{{ 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 name of index that should be used in method
* @return mixed data array on success, a MDB2 error on failure
$db = & $this->getDBInstance ();
if (PEAR ::isError ($db)) {
$query = " SELECT RDB\$INDEX_SEGMENTS.RDB\$FIELD_NAME AS field_name,
RDB\$INDICES.RDB\$DESCRIPTION AS description,
(RDB\$INDEX_SEGMENTS.RDB\$FIELD_POSITION + 1) AS field_position
LEFT JOIN RDB\$INDICES ON RDB\$INDICES.RDB\$INDEX_NAME = RDB\$INDEX_SEGMENTS.RDB\$INDEX_NAME
LEFT JOIN RDB\$RELATION_CONSTRAINTS ON RDB\$RELATION_CONSTRAINTS.RDB\$INDEX_NAME = RDB\$INDEX_SEGMENTS.RDB\$INDEX_NAME
WHERE UPPER(RDB\$INDICES.RDB\$RELATION_NAME)=$table
AND UPPER(RDB\$INDICES.RDB\$INDEX_NAME)=%s
AND RDB\$RELATION_CONSTRAINTS.RDB\$CONSTRAINT_TYPE IS NULL
ORDER BY RDB\$INDEX_SEGMENTS.RDB\$FIELD_POSITION";
$index_name_mdb2 = $db->quote (strtoupper($db->getIndexName ($index_name)), 'text');
$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;
$index_name = $db->quote (strtoupper($index_name), 'text');
$result = $db->query (sprintf($query, $index_name));
if (PEAR ::isError ($result)) {
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 ) {
$definition['fields'][$column_name] = array (
'position' => (int) $row['field_position'],
if (!empty($row['collation'])) {
$definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
? 'ascending' : 'descending');
if (empty ($definition)) {
return $db->raiseError (MDB2_ERROR_NOT_FOUND , null , null ,
'it was not specified an existing table index', __FUNCTION__ );
// {{{ getTableConstraintDefinition()
* Get the structure of a constraint into an array
* @param string $table 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
$db = & $this->getDBInstance ();
if (PEAR ::isError ($db)) {
$query = " SELECT RDB\$INDEX_SEGMENTS.RDB\$FIELD_NAME AS field_name,
RDB\$INDICES.RDB\$UNIQUE_FLAG AS unique_flag,
RDB\$INDICES.RDB\$FOREIGN_KEY AS foreign_key,
RDB\$INDICES.RDB\$DESCRIPTION AS description,
RDB\$RELATION_CONSTRAINTS.RDB\$CONSTRAINT_TYPE AS constraint_type,
(RDB\$INDEX_SEGMENTS.RDB\$FIELD_POSITION + 1) AS field_position
LEFT JOIN RDB\$INDICES ON RDB\$INDICES.RDB\$INDEX_NAME = RDB\$INDEX_SEGMENTS.RDB\$INDEX_NAME
LEFT JOIN RDB\$RELATION_CONSTRAINTS ON RDB\$RELATION_CONSTRAINTS.RDB\$INDEX_NAME = RDB\$INDEX_SEGMENTS.RDB\$INDEX_NAME
WHERE UPPER(RDB\$INDICES.RDB\$RELATION_NAME)=$table
AND UPPER(RDB\$INDICES.RDB\$INDEX_NAME)=%s
ORDER BY RDB\$INDEX_SEGMENTS.RDB\$FIELD_POSITION;";
$constraint_name_mdb2 = $db->quote (strtoupper($db->getIndexName ($constraint_name)), 'text');
$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;
$constraint_name = $db->quote (strtoupper($constraint_name), 'text');
$result = $db->query (sprintf($query, $constraint_name));
if (PEAR ::isError ($result)) {
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 ) {
$definition['fields'][$column_name] = array (
'position' => (int) $row['field_position']
if (!empty($row['collation'])) {
$definition['fields'][$field]['sorting'] = ($row['collation'] == 'A'
? 'ascending' : 'descending');
// otherwise $row is no longer usable on exit from loop
if (empty ($definition)) {
return $db->raiseError (MDB2_ERROR_NOT_FOUND , null , null ,
$constraint_name . ' is not an existing table constraint', __FUNCTION__ );
if (!$lastrow['unique_flag'] && !$lastrow['foreign_key']) {
return $db->raiseError (MDB2_ERROR_NOT_FOUND , null , null ,
$constraint_name . ' is not an existing table constraint', __FUNCTION__ );
if ($lastrow['constraint_type'] === 'PRIMARY KEY') {
$definition['primary'] = true;
} elseif ($lastrow['unique_flag']) {
$definition['unique'] = true;
} elseif ($lastrow['foreign_key']) {
$definition['foreign'] = true;
// {{{ getTriggerDefinition()
* Get the structure of a trigger into an array
* 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
$db = & $this->getDBInstance ();
if (PEAR ::isError ($db)) {
$trigger = $db->quote (strtoupper($trigger), 'text');
$query = " SELECT RDB\$TRIGGER_NAME AS trigger_name,
RDB\$RELATION_NAME AS table_name,
RDB\$TRIGGER_SOURCE AS trigger_body,
CASE RDB\$TRIGGER_INACTIVE
RDB\$DESCRIPTION AS trigger_comment
WHERE UPPER(RDB\$TRIGGER_NAME)=$trigger";
'trigger_name' => 'text',
'trigger_body' => 'clob',
'trigger_type' => 'text',
'trigger_event' => 'text',
'trigger_comment' => 'text',
'trigger_enabled' => 'boolean',
$def = $db->queryRow ($query, $types, MDB2_FETCHMODE_ASSOC );
if (PEAR ::isError ($def)) {
$clob = $def['trigger_body'];
$data = fread($clob, 8192 );
$db->datatype ->destroyLOB ($clob);
$def['trigger_body'] = $value;
* Returns information about a table or a result set
* NOTE: only supports 'table' and 'flags' if <var>$result</var>
* @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
* @param int $mode a valid tableInfo mode
* @return array an associative array with the information requested.
* A MDB2_Error object on failure.
* @see MDB2_Driver_Common::tableInfo()
return parent ::tableInfo ($result, $mode);
$db = & $this->getDBInstance ();
if (PEAR ::isError ($db)) {
$resource = MDB2 ::isResultCommon ($result) ? $result->getResource () : $result;
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';
$case_func = 'strtoupper';
$count = @ibase_num_fields ($resource);
$res['num_fields'] = $count;
$db->loadModule ('Datatype', null , true );
for ($i = 0; $i < $count; $i++ ) {
$info = @ibase_field_info ($resource, $i);
if (($pos = strpos($info['type'], '(')) !== false ) {
$info['type'] = substr($info['type'], 0 , $pos);
'table' => $case_func($info['relation']),
'name' => $case_func($info['name']),
'length' => $info['length'],
$mdb2type_info = $db->datatype ->mapNativeDatatype ($res[$i]);
if (PEAR ::isError ($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;
Documentation generated on Mon, 11 Mar 2019 15:01:23 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.
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