summaryrefslogtreecommitdiff
path: root/program/lib/DB/sybase.php
diff options
context:
space:
mode:
authoralecpl <alec@alec.pl>2008-08-26 07:21:50 +0000
committeralecpl <alec@alec.pl>2008-08-26 07:21:50 +0000
commit9e8e5fa634ace418e6b34280133685485b97a9c0 (patch)
tree80ae14092bef204fe4689e83d72542af5d152d46 /program/lib/DB/sybase.php
parent6ed25604a9f3d4a57b12ad1364af1690f43ec282 (diff)
- Removed support for PEAR::DB driver
Diffstat (limited to 'program/lib/DB/sybase.php')
-rw-r--r--program/lib/DB/sybase.php942
1 files changed, 0 insertions, 942 deletions
diff --git a/program/lib/DB/sybase.php b/program/lib/DB/sybase.php
deleted file mode 100644
index 3172701cb..000000000
--- a/program/lib/DB/sybase.php
+++ /dev/null
@@ -1,942 +0,0 @@
-<?php
-
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
-
-/**
- * The PEAR DB driver for PHP's sybase extension
- * for interacting with Sybase databases
- *
- * 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 Sterling Hughes <sterling@php.net>
- * @author Antônio Carlos Venâncio Júnior <floripa@php.net>
- * @author Daniel Convissor <danielc@php.net>
- * @copyright 1997-2007 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 sybase extension
- * for interacting with Sybase databases
- *
- * These methods overload the ones declared in DB_common.
- *
- * WARNING: This driver may fail with multiple connections under the
- * same user/pass/host and different databases.
- *
- * @category Database
- * @package DB
- * @author Sterling Hughes <sterling@php.net>
- * @author Antônio Carlos Venâncio Júnior <floripa@php.net>
- * @author Daniel Convissor <danielc@php.net>
- * @copyright 1997-2007 The PHP Group
- * @license http://www.php.net/license/3_0.txt PHP License 3.0
- * @version Release: 1.7.13
- * @link http://pear.php.net/package/DB
- */
-class DB_sybase extends DB_common
-{
- // {{{ properties
-
- /**
- * The DB driver type (mysql, oci8, odbc, etc.)
- * @var string
- */
- var $phptype = 'sybase';
-
- /**
- * The database syntax variant to be used (db2, access, etc.), if any
- * @var string
- */
- var $dbsyntax = 'sybase';
-
- /**
- * 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
- *
- * @var array
- */
- var $features = array(
- 'limit' => 'emulate',
- 'new_link' => false,
- 'numrows' => true,
- 'pconnect' => true,
- 'prepare' => false,
- 'ssl' => false,
- 'transactions' => true,
- );
-
- /**
- * A mapping of native error codes to DB error codes
- * @var array
- */
- var $errorcode_map = array(
- );
-
- /**
- * The raw database connection created by PHP
- * @var resource
- */
- var $connection;
-
- /**
- * The DSN information for connecting to a database
- * @var array
- */
- var $dsn = array();
-
-
- /**
- * Should data manipulation queries be committed automatically?
- * @var bool
- * @access private
- */
- var $autocommit = true;
-
- /**
- * The quantity of transactions begun
- *
- * {@internal While this is private, it can't actually be designated
- * private in PHP 5 because it is directly accessed in the test suite.}}
- *
- * @var integer
- * @access private
- */
- var $transaction_opcount = 0;
-
- /**
- * The database specified in the DSN
- *
- * It's a fix to allow calls to different databases in the same script.
- *
- * @var string
- * @access private
- */
- var $_db = '';
-
-
- // }}}
- // {{{ constructor
-
- /**
- * This constructor calls <kbd>$this->DB_common()</kbd>
- *
- * @return void
- */
- function DB_sybase()
- {
- $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 sybase driver supports the following extra DSN options:
- * + appname The application name to use on this connection.
- * Available since PEAR DB 1.7.0.
- * + charset The character set to use on this connection.
- * Available since PEAR DB 1.7.0.
- *
- * @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('sybase') &&
- !PEAR::loadExtension('sybase_ct'))
- {
- return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
- }
-
- $this->dsn = $dsn;
- if ($dsn['dbsyntax']) {
- $this->dbsyntax = $dsn['dbsyntax'];
- }
-
- $dsn['hostspec'] = $dsn['hostspec'] ? $dsn['hostspec'] : 'localhost';
- $dsn['password'] = !empty($dsn['password']) ? $dsn['password'] : false;
- $dsn['charset'] = isset($dsn['charset']) ? $dsn['charset'] : false;
- $dsn['appname'] = isset($dsn['appname']) ? $dsn['appname'] : false;
-
- $connect_function = $persistent ? 'sybase_pconnect' : 'sybase_connect';
-
- if ($dsn['username']) {
- $this->connection = @$connect_function($dsn['hostspec'],
- $dsn['username'],
- $dsn['password'],
- $dsn['charset'],
- $dsn['appname']);
- } else {
- return $this->raiseError(DB_ERROR_CONNECT_FAILED,
- null, null, null,
- 'The DSN did not contain a username.');
- }
-
- if (!$this->connection) {
- return $this->raiseError(DB_ERROR_CONNECT_FAILED,
- null, null, null,
- @sybase_get_last_message());
- }
-
- if ($dsn['database']) {
- if (!@sybase_select_db($dsn['database'], $this->connection)) {
- return $this->raiseError(DB_ERROR_NODBSELECTED,
- null, null, null,
- @sybase_get_last_message());
- }
- $this->_db = $dsn['database'];
- }
-
- return DB_OK;
- }
-
- // }}}
- // {{{ disconnect()
-
- /**
- * Disconnects from the database server
- *
- * @return bool TRUE on success, FALSE on failure
- */
- function disconnect()
- {
- $ret = @sybase_close($this->connection);
- $this->connection = null;
- return $ret;
- }
-
- // }}}
- // {{{ simpleQuery()
-
- /**
- * Sends a query to the database server
- *
- * @param string the SQL query string
- *
- * @return mixed + a PHP result resrouce for successful SELECT queries
- * + the DB_OK constant for other successful queries
- * + a DB_Error object on failure
- */
- function simpleQuery($query)
- {
- $ismanip = $this->_checkManip($query);
- $this->last_query = $query;
- if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) {
- return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
- }
- $query = $this->modifyQuery($query);
- if (!$this->autocommit && $ismanip) {
- if ($this->transaction_opcount == 0) {
- $result = @sybase_query('BEGIN TRANSACTION', $this->connection);
- if (!$result) {
- return $this->sybaseRaiseError();
- }
- }
- $this->transaction_opcount++;
- }
- $result = @sybase_query($query, $this->connection);
- if (!$result) {
- return $this->sybaseRaiseError();
- }
- if (is_resource($result)) {
- return $result;
- }
- // Determine which queries that should return data, and which
- // should return an error code only.
- return $ismanip ? DB_OK : $result;
- }
-
- // }}}
- // {{{ nextResult()
-
- /**
- * Move the internal sybase result pointer to the next available result
- *
- * @param a valid sybase result resource
- *
- * @access public
- *
- * @return true if a result is available otherwise return false
- */
- function nextResult($result)
- {
- return false;
- }
-
- // }}}
- // {{{ 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, $rownum = null)
- {
- if ($rownum !== null) {
- if (!@sybase_data_seek($result, $rownum)) {
- return null;
- }
- }
- if ($fetchmode & DB_FETCHMODE_ASSOC) {
- if (function_exists('sybase_fetch_assoc')) {
- $arr = @sybase_fetch_assoc($result);
- } else {
- if ($arr = @sybase_fetch_array($result)) {
- foreach ($arr as $key => $value) {
- if (is_int($key)) {
- unset($arr[$key]);
- }
- }
- }
- }
- if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
- $arr = array_change_key_case($arr, CASE_LOWER);
- }
- } else {
- $arr = @sybase_fetch_row($result);
- }
- if (!$arr) {
- return null;
- }
- if ($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 is_resource($result) ? sybase_free_result($result) : false;
- }
-
- // }}}
- // {{{ 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)
- {
- $cols = @sybase_num_fields($result);
- if (!$cols) {
- return $this->sybaseRaiseError();
- }
- return $cols;
- }
-
- // }}}
- // {{{ numRows()
-
- /**
- * Gets the number of rows in a result set
- *
- * 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)
- {
- $rows = @sybase_num_rows($result);
- if ($rows === false) {
- return $this->sybaseRaiseError();
- }
- return $rows;
- }
-
- // }}}
- // {{{ affectedRows()
-
- /**
- * Determines the number of rows affected by a data maniuplation query
- *
- * 0 is returned for queries that don't manipulate data.
- *
- * @return int the number of rows. A DB_Error object on failure.
- */
- function affectedRows()
- {
- if ($this->_last_query_manip) {
- $result = @sybase_affected_rows($this->connection);
- } else {
- $result = 0;
- }
- return $result;
- }
-
- // }}}
- // {{{ nextId()
-
- /**
- * Returns the next free id in a sequence
- *
- * @param string $seq_name name of the sequence
- * @param boolean $ondemand when true, the seqence is automatically
- * created if it does not exist
- *
- * @return int the next id number in the sequence.
- * A DB_Error object on failure.
- *
- * @see DB_common::nextID(), DB_common::getSequenceName(),
- * DB_sybase::createSequence(), DB_sybase::dropSequence()
- */
- function nextId($seq_name, $ondemand = true)
- {
- $seqname = $this->getSequenceName($seq_name);
- if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) {
- return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
- }
- $repeat = 0;
- do {
- $this->pushErrorHandling(PEAR_ERROR_RETURN);
- $result = $this->query("INSERT INTO $seqname (vapor) VALUES (0)");
- $this->popErrorHandling();
- if ($ondemand && DB::isError($result) &&
- ($result->getCode() == DB_ERROR || $result->getCode() == DB_ERROR_NOSUCHTABLE))
- {
- $repeat = 1;
- $result = $this->createSequence($seq_name);
- if (DB::isError($result)) {
- return $this->raiseError($result);
- }
- } elseif (!DB::isError($result)) {
- $result = $this->query("SELECT @@IDENTITY FROM $seqname");
- $repeat = 0;
- } else {
- $repeat = false;
- }
- } while ($repeat);
- if (DB::isError($result)) {
- return $this->raiseError($result);
- }
- $result = $result->fetchRow(DB_FETCHMODE_ORDERED);
- return $result[0];
- }
-
- /**
- * Creates a new sequence
- *
- * @param string $seq_name name of the new sequence
- *
- * @return int DB_OK on success. A DB_Error object on failure.
- *
- * @see DB_common::createSequence(), DB_common::getSequenceName(),
- * DB_sybase::nextID(), DB_sybase::dropSequence()
- */
- function createSequence($seq_name)
- {
- return $this->query('CREATE TABLE '
- . $this->getSequenceName($seq_name)
- . ' (id numeric(10, 0) IDENTITY NOT NULL,'
- . ' vapor int NULL)');
- }
-
- // }}}
- // {{{ dropSequence()
-
- /**
- * Deletes a sequence
- *
- * @param string $seq_name name of the sequence to be deleted
- *
- * @return int DB_OK on success. A DB_Error object on failure.
- *
- * @see DB_common::dropSequence(), DB_common::getSequenceName(),
- * DB_sybase::nextID(), DB_sybase::createSequence()
- */
- function dropSequence($seq_name)
- {
- return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name));
- }
-
- // }}}
- // {{{ quoteFloat()
-
- /**
- * Formats a float value for use within a query in a locale-independent
- * manner.
- *
- * @param float the float value to be quoted.
- * @return string the quoted string.
- * @see DB_common::quoteSmart()
- * @since Method available since release 1.7.8.
- */
- function quoteFloat($float) {
- return $this->escapeSimple(str_replace(',', '.', strval(floatval($float))));
- }
-
- // }}}
- // {{{ 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)
- {
- // XXX if $this->transaction_opcount > 0, we should probably
- // issue a warning here.
- $this->autocommit = $onoff ? true : false;
- return DB_OK;
- }
-
- // }}}
- // {{{ commit()
-
- /**
- * Commits the current transaction
- *
- * @return int DB_OK on success. A DB_Error object on failure.
- */
- function commit()
- {
- if ($this->transaction_opcount > 0) {
- if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) {
- return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
- }
- $result = @sybase_query('COMMIT', $this->connection);
- $this->transaction_opcount = 0;
- if (!$result) {
- return $this->sybaseRaiseError();
- }
- }
- return DB_OK;
- }
-
- // }}}
- // {{{ rollback()
-
- /**
- * Reverts the current transaction
- *
- * @return int DB_OK on success. A DB_Error object on failure.
- */
- function rollback()
- {
- if ($this->transaction_opcount > 0) {
- if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) {
- return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
- }
- $result = @sybase_query('ROLLBACK', $this->connection);
- $this->transaction_opcount = 0;
- if (!$result) {
- return $this->sybaseRaiseError();
- }
- }
- return DB_OK;
- }
-
- // }}}
- // {{{ sybaseRaiseError()
-
- /**
- * Produces a DB_Error object regarding the current problem
- *
- * @param int $errno if the error is being manually raised pass a
- * DB_ERROR* constant here. If this isn't passed
- * the error information gathered from the DBMS.
- *
- * @return object the DB_Error object
- *
- * @see DB_common::raiseError(),
- * DB_sybase::errorNative(), DB_sybase::errorCode()
- */
- function sybaseRaiseError($errno = null)
- {
- $native = $this->errorNative();
- if ($errno === null) {
- $errno = $this->errorCode($native);
- }
- return $this->raiseError($errno, null, null, null, $native);
- }
-
- // }}}
- // {{{ errorNative()
-
- /**
- * Gets the DBMS' native error message produced by the last query
- *
- * @return string the DBMS' error message
- */
- function errorNative()
- {
- return @sybase_get_last_message();
- }
-
- // }}}
- // {{{ errorCode()
-
- /**
- * Determines PEAR::DB error code from the database's text error message.
- *
- * @param string $errormsg error message returned from the database
- * @return integer an error number from a DB error constant
- */
- function errorCode($errormsg)
- {
- static $error_regexps;
-
- // PHP 5.2+ prepends the function name to $php_errormsg, so we need
- // this hack to work around it, per bug #9599.
- $errormsg = preg_replace('/^sybase[a-z_]+\(\): /', '', $errormsg);
-
- if (!isset($error_regexps)) {
- $error_regexps = array(
- '/Incorrect syntax near/'
- => DB_ERROR_SYNTAX,
- '/^Unclosed quote before the character string [\"\'].*[\"\']\./'
- => DB_ERROR_SYNTAX,
- '/Implicit conversion (from datatype|of NUMERIC value)/i'
- => DB_ERROR_INVALID_NUMBER,
- '/Cannot drop the table [\"\'].+[\"\'], because it doesn\'t exist in the system catalogs\./'
- => DB_ERROR_NOSUCHTABLE,
- '/Only the owner of object [\"\'].+[\"\'] or a user with System Administrator \(SA\) role can run this command\./'
- => DB_ERROR_ACCESS_VIOLATION,
- '/^.+ permission denied on object .+, database .+, owner .+/'
- => DB_ERROR_ACCESS_VIOLATION,
- '/^.* permission denied, database .+, owner .+/'
- => DB_ERROR_ACCESS_VIOLATION,
- '/[^.*] not found\./'
- => DB_ERROR_NOSUCHTABLE,
- '/There is already an object named/'
- => DB_ERROR_ALREADY_EXISTS,
- '/Invalid column name/'
- => DB_ERROR_NOSUCHFIELD,
- '/does not allow null values/'
- => DB_ERROR_CONSTRAINT_NOT_NULL,
- '/Command has been aborted/'
- => DB_ERROR_CONSTRAINT,
- '/^Cannot drop the index .* because it doesn\'t exist/i'
- => DB_ERROR_NOT_FOUND,
- '/^There is already an index/i'
- => DB_ERROR_ALREADY_EXISTS,
- '/^There are fewer columns in the INSERT statement than values specified/i'
- => DB_ERROR_VALUE_COUNT_ON_ROW,
- '/Divide by zero/i'
- => DB_ERROR_DIVZERO,
- );
- }
-
- foreach ($error_regexps as $regexp => $code) {
- if (preg_match($regexp, $errormsg)) {
- return $code;
- }
- }
- return DB_ERROR;
- }
-
- // }}}
- // {{{ tableInfo()
-
- /**
- * Returns information about a table or a result set
- *
- * NOTE: only supports 'table' and 'flags' if <var>$result</var>
- * is a table name.
- *
- * @param object|string $result 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 $mode a valid tableInfo mode
- *
- * @return array an associative array with the information requested.
- * A DB_Error object on failure.
- *
- * @see DB_common::tableInfo()
- * @since Method available since Release 1.6.0
- */
- function tableInfo($result, $mode = null)
- {
- if (is_string($result)) {
- /*
- * Probably received a table name.
- * Create a result resource identifier.
- */
- if ($this->_db && !@sybase_select_db($this->_db, $this->connection)) {
- return $this->sybaseRaiseError(DB_ERROR_NODBSELECTED);
- }
- $id = @sybase_query("SELECT * FROM $result WHERE 1=0",
- $this->connection);
- $got_string = true;
- } elseif (isset($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 $this->sybaseRaiseError(DB_ERROR_NEED_MORE_DATA);
- }
-
- if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
- $case_func = 'strtolower';
- } else {
- $case_func = 'strval';
- }
-
- $count = @sybase_num_fields($id);
- $res = array();
-
- if ($mode) {
- $res['num_fields'] = $count;
- }
-
- for ($i = 0; $i < $count; $i++) {
- $f = @sybase_fetch_field($id, $i);
- // column_source is often blank
- $res[$i] = array(
- 'table' => $got_string
- ? $case_func($result)
- : $case_func($f->column_source),
- 'name' => $case_func($f->name),
- 'type' => $f->type,
- 'len' => $f->max_length,
- 'flags' => '',
- );
- if ($res[$i]['table']) {
- $res[$i]['flags'] = $this->_sybase_field_flags(
- $res[$i]['table'], $res[$i]['name']);
- }
- 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) {
- @sybase_free_result($id);
- }
- return $res;
- }
-
- // }}}
- // {{{ _sybase_field_flags()
-
- /**
- * Get the flags for a field
- *
- * Currently supports:
- * + <samp>unique_key</samp> (unique index, unique check or primary_key)
- * + <samp>multiple_key</samp> (multi-key index)
- *
- * @param string $table the table name
- * @param string $column the field name
- *
- * @return string space delimited string of flags. Empty string if none.
- *
- * @access private
- */
- function _sybase_field_flags($table, $column)
- {
- static $tableName = null;
- static $flags = array();
-
- if ($table != $tableName) {
- $flags = array();
- $tableName = $table;
-
- /* We're running sp_helpindex directly because it doesn't exist in
- * older versions of ASE -- unfortunately, we can't just use
- * DB::isError() because the user may be using callback error
- * handling. */
- $res = @sybase_query("sp_helpindex $table", $this->connection);
-
- if ($res === false || $res === true) {
- // Fake a valid response for BC reasons.
- return '';
- }
-
- while (($val = sybase_fetch_assoc($res)) !== false) {
- if (!isset($val['index_keys'])) {
- /* No useful information returned. Break and be done with
- * it, which preserves the pre-1.7.9 behaviour. */
- break;
- }
-
- $keys = explode(', ', trim($val['index_keys']));
-
- if (sizeof($keys) > 1) {
- foreach ($keys as $key) {
- $this->_add_flag($flags[$key], 'multiple_key');
- }
- }
-
- if (strpos($val['index_description'], 'unique')) {
- foreach ($keys as $key) {
- $this->_add_flag($flags[$key], 'unique_key');
- }
- }
- }
-
- sybase_free_result($res);
-
- }
-
- if (array_key_exists($column, $flags)) {
- 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 reference of flags array to add a value to
- * @param mixed $value value to add to the flag array
- *
- * @return void
- *
- * @access private
- */
- function _add_flag(&$array, $value)
- {
- if (!is_array($array)) {
- $array = array($value);
- } elseif (!in_array($value, $array)) {
- array_push($array, $value);
- }
- }
-
- // }}}
- // {{{ getSpecialQuery()
-
- /**
- * Obtains the query string needed for listing a given type of objects
- *
- * @param string $type the kind of objects you want to retrieve
- *
- * @return string the SQL query string or null if the driver doesn't
- * support the object type requested
- *
- * @access protected
- * @see DB_common::getListOf()
- */
- function getSpecialQuery($type)
- {
- switch ($type) {
- case 'tables':
- return "SELECT name FROM sysobjects WHERE type = 'U'"
- . ' ORDER BY name';
- case 'views':
- return "SELECT name FROM sysobjects WHERE type = 'V'";
- default:
- return null;
- }
- }
-
- // }}}
-
-}
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- */
-
-?>