diff options
author | thomascube <thomas@roundcube.net> | 2008-06-09 19:06:12 +0000 |
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committer | thomascube <thomas@roundcube.net> | 2008-06-09 19:06:12 +0000 |
commit | 2c5952533c6cb98e091219d57e297b97d61b4f87 (patch) | |
tree | 3aaee11a07fcee88ab83b112039bf90534f610e5 /program/lib/DB/odbc.php | |
parent | 168b071e282681f35c38ac0073a4d945b6f4e116 (diff) |
Remove PEAR::DB from release branch (MDB2 is our choice)
Diffstat (limited to 'program/lib/DB/odbc.php')
-rw-r--r-- | program/lib/DB/odbc.php | 883 |
1 files changed, 0 insertions, 883 deletions
diff --git a/program/lib/DB/odbc.php b/program/lib/DB/odbc.php deleted file mode 100644 index 350ec85bd..000000000 --- a/program/lib/DB/odbc.php +++ /dev/null @@ -1,883 +0,0 @@ -<?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 1997-2007 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 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 1997-2007 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_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 $this->odbcRaiseError(); // XXX ERRORMSG - } - // Determine which queries that should return data, and which - // should return an error code only. - if ($this->_checkManip($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 is_resource($result) ? odbc_free_result($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) - { - $cols = @odbc_num_fields($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: - */ - -?> |