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+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * The PEAR DB driver for PHP's odbc extension
+ * for interacting with databases via ODBC connections
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.0 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_0.txt. If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category Database
+ * @package DB
+ * @author Stig Bakken <ssb@php.net>
+ * @author Daniel Convissor <danielc@php.net>
+ * @copyright 1997-2005 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version CVS: $Id$
+ * @link http://pear.php.net/package/DB
+ */
+
+/**
+ * Obtain the DB_common class so it can be extended from
+ */
+require_once 'DB/common.php';
+
+/**
+ * The methods PEAR DB uses to interact with PHP's odbc extension
+ * for interacting with databases via ODBC connections
+ *
+ * These methods overload the ones declared in DB_common.
+ *
+ * More info on ODBC errors could be found here:
+ * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/trblsql/tr_err_odbc_5stz.asp
+ *
+ * @category Database
+ * @package DB
+ * @author Stig Bakken <ssb@php.net>
+ * @author Daniel Convissor <danielc@php.net>
+ * @copyright 1997-2005 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: @package_version@
+ * @link http://pear.php.net/package/DB
+ */
+class DB_odbc extends DB_common
+{
+ // {{{ properties
+
+ /**
+ * The DB driver type (mysql, oci8, odbc, etc.)
+ * @var string
+ */
+ var $phptype = 'odbc';
+
+ /**
+ * The database syntax variant to be used (db2, access, etc.), if any
+ * @var string
+ */
+ var $dbsyntax = 'sql92';
+
+ /**
+ * The capabilities of this DB implementation
+ *
+ * The 'new_link' element contains the PHP version that first provided
+ * new_link support for this DBMS. Contains false if it's unsupported.
+ *
+ * Meaning of the 'limit' element:
+ * + 'emulate' = emulate with fetch row by number
+ * + 'alter' = alter the query
+ * + false = skip rows
+ *
+ * NOTE: The feature set of the following drivers are different than
+ * the default:
+ * + solid: 'transactions' = true
+ * + navision: 'limit' = false
+ *
+ * @var array
+ */
+ var $features = array(
+ 'limit' => 'emulate',
+ 'new_link' => false,
+ 'numrows' => true,
+ 'pconnect' => true,
+ 'prepare' => false,
+ 'ssl' => false,
+ 'transactions' => false,
+ );
+
+ /**
+ * A mapping of native error codes to DB error codes
+ * @var array
+ */
+ var $errorcode_map = array(
+ '01004' => DB_ERROR_TRUNCATED,
+ '07001' => DB_ERROR_MISMATCH,
+ '21S01' => DB_ERROR_VALUE_COUNT_ON_ROW,
+ '21S02' => DB_ERROR_MISMATCH,
+ '22001' => DB_ERROR_INVALID,
+ '22003' => DB_ERROR_INVALID_NUMBER,
+ '22005' => DB_ERROR_INVALID_NUMBER,
+ '22008' => DB_ERROR_INVALID_DATE,
+ '22012' => DB_ERROR_DIVZERO,
+ '23000' => DB_ERROR_CONSTRAINT,
+ '23502' => DB_ERROR_CONSTRAINT_NOT_NULL,
+ '23503' => DB_ERROR_CONSTRAINT,
+ '23504' => DB_ERROR_CONSTRAINT,
+ '23505' => DB_ERROR_CONSTRAINT,
+ '24000' => DB_ERROR_INVALID,
+ '34000' => DB_ERROR_INVALID,
+ '37000' => DB_ERROR_SYNTAX,
+ '42000' => DB_ERROR_SYNTAX,
+ '42601' => DB_ERROR_SYNTAX,
+ 'IM001' => DB_ERROR_UNSUPPORTED,
+ 'S0000' => DB_ERROR_NOSUCHTABLE,
+ 'S0001' => DB_ERROR_ALREADY_EXISTS,
+ 'S0002' => DB_ERROR_NOSUCHTABLE,
+ 'S0011' => DB_ERROR_ALREADY_EXISTS,
+ 'S0012' => DB_ERROR_NOT_FOUND,
+ 'S0021' => DB_ERROR_ALREADY_EXISTS,
+ 'S0022' => DB_ERROR_NOSUCHFIELD,
+ 'S1009' => DB_ERROR_INVALID,
+ 'S1090' => DB_ERROR_INVALID,
+ 'S1C00' => DB_ERROR_NOT_CAPABLE,
+ );
+
+ /**
+ * The raw database connection created by PHP
+ * @var resource
+ */
+ var $connection;
+
+ /**
+ * The DSN information for connecting to a database
+ * @var array
+ */
+ var $dsn = array();
+
+
+ /**
+ * The number of rows affected by a data manipulation query
+ * @var integer
+ * @access private
+ */
+ var $affected = 0;
+
+
+ // }}}
+ // {{{ constructor
+
+ /**
+ * This constructor calls <kbd>$this->DB_common()</kbd>
+ *
+ * @return void
+ */
+ function DB_odbc()
+ {
+ $this->DB_common();
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database server, log in and open the database
+ *
+ * Don't call this method directly. Use DB::connect() instead.
+ *
+ * PEAR DB's odbc driver supports the following extra DSN options:
+ * + cursor The type of cursor to be used for this connection.
+ *
+ * @param array $dsn the data source name
+ * @param bool $persistent should the connection be persistent?
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
+ */
+ function connect($dsn, $persistent = false)
+ {
+ if (!PEAR::loadExtension('odbc')) {
+ return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
+ }
+
+ $this->dsn = $dsn;
+ if ($dsn['dbsyntax']) {
+ $this->dbsyntax = $dsn['dbsyntax'];
+ }
+ switch ($this->dbsyntax) {
+ case 'access':
+ case 'db2':
+ case 'solid':
+ $this->features['transactions'] = true;
+ break;
+ case 'navision':
+ $this->features['limit'] = false;
+ }
+
+ /*
+ * This is hear for backwards compatibility. Should have been using
+ * 'database' all along, but prior to 1.6.0RC3 'hostspec' was used.
+ */
+ if ($dsn['database']) {
+ $odbcdsn = $dsn['database'];
+ } elseif ($dsn['hostspec']) {
+ $odbcdsn = $dsn['hostspec'];
+ } else {
+ $odbcdsn = 'localhost';
+ }
+
+ $connect_function = $persistent ? 'odbc_pconnect' : 'odbc_connect';
+
+ if (empty($dsn['cursor'])) {
+ $this->connection = @$connect_function($odbcdsn, $dsn['username'],
+ $dsn['password']);
+ } else {
+ $this->connection = @$connect_function($odbcdsn, $dsn['username'],
+ $dsn['password'],
+ $dsn['cursor']);
+ }
+
+ if (!is_resource($this->connection)) {
+ return $this->raiseError(DB_ERROR_CONNECT_FAILED,
+ null, null, null,
+ $this->errorNative());
+ }
+ return DB_OK;
+ }
+
+ // }}}
+ // {{{ disconnect()
+
+ /**
+ * Disconnects from the database server
+ *
+ * @return bool TRUE on success, FALSE on failure
+ */
+ function disconnect()
+ {
+ $err = @odbc_close($this->connection);
+ $this->connection = null;
+ return $err;
+ }
+
+ // }}}
+ // {{{ simpleQuery()
+
+ /**
+ * Sends a query to the database server
+ *
+ * @param string the SQL query string
+ *
+ * @return mixed + a PHP result resrouce for successful SELECT queries
+ * + the DB_OK constant for other successful queries
+ * + a DB_Error object on failure
+ */
+ function simpleQuery($query)
+ {
+ $this->last_query = $query;
+ $query = $this->modifyQuery($query);
+ $result = @odbc_exec($this->connection, $query);
+ if (!$result) {
+ return $this->odbcRaiseError(); // XXX ERRORMSG
+ }
+ // Determine which queries that should return data, and which
+ // should return an error code only.
+ if (DB::isManip($query)) {
+ $this->affected = $result; // For affectedRows()
+ return DB_OK;
+ }
+ $this->affected = 0;
+ return $result;
+ }
+
+ // }}}
+ // {{{ nextResult()
+
+ /**
+ * Move the internal odbc result pointer to the next available result
+ *
+ * @param a valid fbsql result resource
+ *
+ * @access public
+ *
+ * @return true if a result is available otherwise return false
+ */
+ function nextResult($result)
+ {
+ return @odbc_next_result($result);
+ }
+
+ // }}}
+ // {{{ fetchInto()
+
+ /**
+ * Places a row from the result set into the given array
+ *
+ * Formating of the array and the data therein are configurable.
+ * See DB_result::fetchInto() for more information.
+ *
+ * This method is not meant to be called directly. Use
+ * DB_result::fetchInto() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
+ *
+ * @param resource $result the query result resource
+ * @param array $arr the referenced array to put the data in
+ * @param int $fetchmode how the resulting array should be indexed
+ * @param int $rownum the row number to fetch (0 = first row)
+ *
+ * @return mixed DB_OK on success, NULL when the end of a result set is
+ * reached or on failure
+ *
+ * @see DB_result::fetchInto()
+ */
+ function fetchInto($result, &$arr, $fetchmode, $rownum = null)
+ {
+ $arr = array();
+ if ($rownum !== null) {
+ $rownum++; // ODBC first row is 1
+ if (version_compare(phpversion(), '4.2.0', 'ge')) {
+ $cols = @odbc_fetch_into($result, $arr, $rownum);
+ } else {
+ $cols = @odbc_fetch_into($result, $rownum, $arr);
+ }
+ } else {
+ $cols = @odbc_fetch_into($result, $arr);
+ }
+ if (!$cols) {
+ return null;
+ }
+ if ($fetchmode !== DB_FETCHMODE_ORDERED) {
+ for ($i = 0; $i < count($arr); $i++) {
+ $colName = @odbc_field_name($result, $i+1);
+ $a[$colName] = $arr[$i];
+ }
+ if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
+ $a = array_change_key_case($a, CASE_LOWER);
+ }
+ $arr = $a;
+ }
+ if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
+ $this->_rtrimArrayValues($arr);
+ }
+ if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
+ $this->_convertNullArrayValuesToEmpty($arr);
+ }
+ return DB_OK;
+ }
+
+ // }}}
+ // {{{ freeResult()
+
+ /**
+ * Deletes the result set and frees the memory occupied by the result set
+ *
+ * This method is not meant to be called directly. Use
+ * DB_result::free() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
+ *
+ * @param resource $result PHP's query result resource
+ *
+ * @return bool TRUE on success, FALSE if $result is invalid
+ *
+ * @see DB_result::free()
+ */
+ function freeResult($result)
+ {
+ return @odbc_free_result($result);
+ }
+
+ // }}}
+ // {{{ numCols()
+
+ /**
+ * Gets the number of columns in a result set
+ *
+ * This method is not meant to be called directly. Use
+ * DB_result::numCols() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
+ *
+ * @param resource $result PHP's query result resource
+ *
+ * @return int the number of columns. A DB_Error object on failure.
+ *
+ * @see DB_result::numCols()
+ */
+ function numCols($result)
+ {
+ $cols = @odbc_num_fields($result);
+ if (!$cols) {
+ return $this->odbcRaiseError();
+ }
+ return $cols;
+ }
+
+ // }}}
+ // {{{ affectedRows()
+
+ /**
+ * Determines the number of rows affected by a data maniuplation query
+ *
+ * 0 is returned for queries that don't manipulate data.
+ *
+ * @return int the number of rows. A DB_Error object on failure.
+ */
+ function affectedRows()
+ {
+ if (empty($this->affected)) { // In case of SELECT stms
+ return 0;
+ }
+ $nrows = @odbc_num_rows($this->affected);
+ if ($nrows == -1) {
+ return $this->odbcRaiseError();
+ }
+ return $nrows;
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Gets the number of rows in a result set
+ *
+ * Not all ODBC drivers support this functionality. If they don't
+ * a DB_Error object for DB_ERROR_UNSUPPORTED is returned.
+ *
+ * This method is not meant to be called directly. Use
+ * DB_result::numRows() instead. It can't be declared "protected"
+ * because DB_result is a separate object.
+ *
+ * @param resource $result PHP's query result resource
+ *
+ * @return int the number of rows. A DB_Error object on failure.
+ *
+ * @see DB_result::numRows()
+ */
+ function numRows($result)
+ {
+ $nrows = @odbc_num_rows($result);
+ if ($nrows == -1) {
+ return $this->odbcRaiseError(DB_ERROR_UNSUPPORTED);
+ }
+ if ($nrows === false) {
+ return $this->odbcRaiseError();
+ }
+ return $nrows;
+ }
+
+ // }}}
+ // {{{ quoteIdentifier()
+
+ /**
+ * Quotes a string so it can be safely used as a table or column name
+ *
+ * Use 'mssql' as the dbsyntax in the DB DSN only if you've unchecked
+ * "Use ANSI quoted identifiers" when setting up the ODBC data source.
+ *
+ * @param string $str identifier name to be quoted
+ *
+ * @return string quoted identifier string
+ *
+ * @see DB_common::quoteIdentifier()
+ * @since Method available since Release 1.6.0
+ */
+ function quoteIdentifier($str)
+ {
+ switch ($this->dsn['dbsyntax']) {
+ case 'access':
+ return '[' . $str . ']';
+ case 'mssql':
+ case 'sybase':
+ return '[' . str_replace(']', ']]', $str) . ']';
+ case 'mysql':
+ case 'mysqli':
+ return '`' . $str . '`';
+ default:
+ return '"' . str_replace('"', '""', $str) . '"';
+ }
+ }
+
+ // }}}
+ // {{{ quote()
+
+ /**
+ * @deprecated Deprecated in release 1.6.0
+ * @internal
+ */
+ function quote($str)
+ {
+ return $this->quoteSmart($str);
+ }
+
+ // }}}
+ // {{{ nextId()
+
+ /**
+ * Returns the next free id in a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true, the seqence is automatically
+ * created if it does not exist
+ *
+ * @return int the next id number in the sequence.
+ * A DB_Error object on failure.
+ *
+ * @see DB_common::nextID(), DB_common::getSequenceName(),
+ * DB_odbc::createSequence(), DB_odbc::dropSequence()
+ */
+ function nextId($seq_name, $ondemand = true)
+ {
+ $seqname = $this->getSequenceName($seq_name);
+ $repeat = 0;
+ do {
+ $this->pushErrorHandling(PEAR_ERROR_RETURN);
+ $result = $this->query("update ${seqname} set id = id + 1");
+ $this->popErrorHandling();
+ if ($ondemand && DB::isError($result) &&
+ $result->getCode() == DB_ERROR_NOSUCHTABLE) {
+ $repeat = 1;
+ $this->pushErrorHandling(PEAR_ERROR_RETURN);
+ $result = $this->createSequence($seq_name);
+ $this->popErrorHandling();
+ if (DB::isError($result)) {
+ return $this->raiseError($result);
+ }
+ $result = $this->query("insert into ${seqname} (id) values(0)");
+ } else {
+ $repeat = 0;
+ }
+ } while ($repeat);
+
+ if (DB::isError($result)) {
+ return $this->raiseError($result);
+ }
+
+ $result = $this->query("select id from ${seqname}");
+ if (DB::isError($result)) {
+ return $result;
+ }
+
+ $row = $result->fetchRow(DB_FETCHMODE_ORDERED);
+ if (DB::isError($row || !$row)) {
+ return $row;
+ }
+
+ return $row[0];
+ }
+
+ /**
+ * Creates a new sequence
+ *
+ * @param string $seq_name name of the new sequence
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
+ *
+ * @see DB_common::createSequence(), DB_common::getSequenceName(),
+ * DB_odbc::nextID(), DB_odbc::dropSequence()
+ */
+ function createSequence($seq_name)
+ {
+ return $this->query('CREATE TABLE '
+ . $this->getSequenceName($seq_name)
+ . ' (id integer NOT NULL,'
+ . ' PRIMARY KEY(id))');
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * Deletes a sequence
+ *
+ * @param string $seq_name name of the sequence to be deleted
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
+ *
+ * @see DB_common::dropSequence(), DB_common::getSequenceName(),
+ * DB_odbc::nextID(), DB_odbc::createSequence()
+ */
+ function dropSequence($seq_name)
+ {
+ return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name));
+ }
+
+ // }}}
+ // {{{ autoCommit()
+
+ /**
+ * Enables or disables automatic commits
+ *
+ * @param bool $onoff true turns it on, false turns it off
+ *
+ * @return int DB_OK on success. A DB_Error object if the driver
+ * doesn't support auto-committing transactions.
+ */
+ function autoCommit($onoff = false)
+ {
+ if (!@odbc_autocommit($this->connection, $onoff)) {
+ return $this->odbcRaiseError();
+ }
+ return DB_OK;
+ }
+
+ // }}}
+ // {{{ commit()
+
+ /**
+ * Commits the current transaction
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
+ */
+ function commit()
+ {
+ if (!@odbc_commit($this->connection)) {
+ return $this->odbcRaiseError();
+ }
+ return DB_OK;
+ }
+
+ // }}}
+ // {{{ rollback()
+
+ /**
+ * Reverts the current transaction
+ *
+ * @return int DB_OK on success. A DB_Error object on failure.
+ */
+ function rollback()
+ {
+ if (!@odbc_rollback($this->connection)) {
+ return $this->odbcRaiseError();
+ }
+ return DB_OK;
+ }
+
+ // }}}
+ // {{{ odbcRaiseError()
+
+ /**
+ * Produces a DB_Error object regarding the current problem
+ *
+ * @param int $errno if the error is being manually raised pass a
+ * DB_ERROR* constant here. If this isn't passed
+ * the error information gathered from the DBMS.
+ *
+ * @return object the DB_Error object
+ *
+ * @see DB_common::raiseError(),
+ * DB_odbc::errorNative(), DB_common::errorCode()
+ */
+ function odbcRaiseError($errno = null)
+ {
+ if ($errno === null) {
+ switch ($this->dbsyntax) {
+ case 'access':
+ if ($this->options['portability'] & DB_PORTABILITY_ERRORS) {
+ $this->errorcode_map['07001'] = DB_ERROR_NOSUCHFIELD;
+ } else {
+ // Doing this in case mode changes during runtime.
+ $this->errorcode_map['07001'] = DB_ERROR_MISMATCH;
+ }
+
+ $native_code = odbc_error($this->connection);
+
+ // S1000 is for "General Error." Let's be more specific.
+ if ($native_code == 'S1000') {
+ $errormsg = odbc_errormsg($this->connection);
+ static $error_regexps;
+ if (!isset($error_regexps)) {
+ $error_regexps = array(
+ '/includes related records.$/i' => DB_ERROR_CONSTRAINT,
+ '/cannot contain a Null value/i' => DB_ERROR_CONSTRAINT_NOT_NULL,
+ );
+ }
+ foreach ($error_regexps as $regexp => $code) {
+ if (preg_match($regexp, $errormsg)) {
+ return $this->raiseError($code,
+ null, null, null,
+ $native_code . ' ' . $errormsg);
+ }
+ }
+ $errno = DB_ERROR;
+ } else {
+ $errno = $this->errorCode($native_code);
+ }
+ break;
+ default:
+ $errno = $this->errorCode(odbc_error($this->connection));
+ }
+ }
+ return $this->raiseError($errno, null, null, null,
+ $this->errorNative());
+ }
+
+ // }}}
+ // {{{ errorNative()
+
+ /**
+ * Gets the DBMS' native error code and message produced by the last query
+ *
+ * @return string the DBMS' error code and message
+ */
+ function errorNative()
+ {
+ if (!is_resource($this->connection)) {
+ return @odbc_error() . ' ' . @odbc_errormsg();
+ }
+ return @odbc_error($this->connection) . ' ' . @odbc_errormsg($this->connection);
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * @param object|string $result DB_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 $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A DB_Error object on failure.
+ *
+ * @see DB_common::tableInfo()
+ * @since Method available since Release 1.7.0
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ /*
+ * Probably received a table name.
+ * Create a result resource identifier.
+ */
+ $id = @odbc_exec($this->connection, "SELECT * FROM $result");
+ if (!$id) {
+ return $this->odbcRaiseError();
+ }
+ $got_string = true;
+ } elseif (isset($result->result)) {
+ /*
+ * Probably received a result object.
+ * Extract the result resource identifier.
+ */
+ $id = $result->result;
+ $got_string = false;
+ } else {
+ /*
+ * Probably received a result resource identifier.
+ * Copy it.
+ * Deprecated. Here for compatibility only.
+ */
+ $id = $result;
+ $got_string = false;
+ }
+
+ if (!is_resource($id)) {
+ return $this->odbcRaiseError(DB_ERROR_NEED_MORE_DATA);
+ }
+
+ if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @odbc_num_fields($id);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ for ($i = 0; $i < $count; $i++) {
+ $col = $i + 1;
+ $res[$i] = array(
+ 'table' => $got_string ? $case_func($result) : '',
+ 'name' => $case_func(@odbc_field_name($id, $col)),
+ 'type' => @odbc_field_type($id, $col),
+ 'len' => @odbc_field_len($id, $col),
+ 'flags' => '',
+ );
+ if ($mode & DB_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & DB_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ // free the result only if we were called on a table
+ if ($got_string) {
+ @odbc_free_result($id);
+ }
+ return $res;
+ }
+
+ // }}}
+ // {{{ getSpecialQuery()
+
+ /**
+ * Obtains the query string needed for listing a given type of objects
+ *
+ * Thanks to symbol1@gmail.com and Philippe.Jausions@11abacus.com.
+ *
+ * @param string $type the kind of objects you want to retrieve
+ *
+ * @return string the list of objects requested
+ *
+ * @access protected
+ * @see DB_common::getListOf()
+ * @since Method available since Release 1.7.0
+ */
+ function getSpecialQuery($type)
+ {
+ switch ($type) {
+ case 'databases':
+ if (!function_exists('odbc_data_source')) {
+ return null;
+ }
+ $res = @odbc_data_source($this->connection, SQL_FETCH_FIRST);
+ if (is_array($res)) {
+ $out = array($res['server']);
+ while($res = @odbc_data_source($this->connection,
+ SQL_FETCH_NEXT))
+ {
+ $out[] = $res['server'];
+ }
+ return $out;
+ } else {
+ return $this->odbcRaiseError();
+ }
+ break;
+ case 'tables':
+ case 'schema.tables':
+ $keep = 'TABLE';
+ break;
+ case 'views':
+ $keep = 'VIEW';
+ break;
+ default:
+ return null;
+ }
+
+ /*
+ * Removing non-conforming items in the while loop rather than
+ * in the odbc_tables() call because some backends choke on this:
+ * odbc_tables($this->connection, '', '', '', 'TABLE')
+ */
+ $res = @odbc_tables($this->connection);
+ if (!$res) {
+ return $this->odbcRaiseError();
+ }
+ $out = array();
+ while ($row = odbc_fetch_array($res)) {
+ if ($row['TABLE_TYPE'] != $keep) {
+ continue;
+ }
+ if ($type == 'schema.tables') {
+ $out[] = $row['TABLE_SCHEM'] . '.' . $row['TABLE_NAME'];
+ } else {
+ $out[] = $row['TABLE_NAME'];
+ }
+ }
+ return $out;
+ }
+
+ // }}}
+
+}
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ */
+
+?>
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