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authorthomascube <thomas@roundcube.net>2006-05-18 17:49:20 +0000
committerthomascube <thomas@roundcube.net>2006-05-18 17:49:20 +0000
commit4aaddb32e1bd1a7833478f1fd4194507dba2c924 (patch)
treec15cb8f865c862e7f7686262b8c4ba76a507043f /program/lib/MDB2/Driver/sqlite.php
parentaadfa1f1dc38fdac3b57c623bcf8e2210189a5c8 (diff)
Removed MDB2 classes; install seperately
Diffstat (limited to 'program/lib/MDB2/Driver/sqlite.php')
-rwxr-xr-xprogram/lib/MDB2/Driver/sqlite.php805
1 files changed, 0 insertions, 805 deletions
diff --git a/program/lib/MDB2/Driver/sqlite.php b/program/lib/MDB2/Driver/sqlite.php
deleted file mode 100755
index 231b429d4..000000000
--- a/program/lib/MDB2/Driver/sqlite.php
+++ /dev/null
@@ -1,805 +0,0 @@
-<?php
-// vim: set et ts=4 sw=4 fdm=marker:
-// +----------------------------------------------------------------------+
-// | PHP versions 4 and 5 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
-// | Stig. S. Bakken, Lukas Smith |
-// | 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. |
-// +----------------------------------------------------------------------+
-// | Author: Lukas Smith <smith@backendmedia.com> |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-//
-
-/**
- * MDB2 SQLite driver
- *
- * @package MDB2
- * @category Database
- * @author Lukas Smith <smith@backendmedia.com>
- */
-class MDB2_Driver_sqlite extends MDB2_Driver_Common
-{
- // {{{ properties
- var $escape_quotes = "'";
-
- var $_lasterror = '';
-
- // }}}
- // {{{ constructor
-
- /**
- * Constructor
- */
- function __construct()
- {
- parent::__construct();
-
- $this->phptype = 'sqlite';
- $this->dbsyntax = 'sqlite';
-
- $this->supported['sequences'] = true;
- $this->supported['indexes'] = true;
- $this->supported['affected_rows'] = true;
- $this->supported['summary_functions'] = true;
- $this->supported['order_by_text'] = true;
- $this->supported['current_id'] = true;
- $this->supported['limit_queries'] = true;
- $this->supported['LOBs'] = true;
- $this->supported['replace'] = true;
- $this->supported['transactions'] = true;
- $this->supported['sub_selects'] = true;
- $this->supported['auto_increment'] = true;
-
- $this->options['base_transaction_name'] = '___php_MDB2_sqlite_auto_commit_off';
- $this->options['fixed_float'] = 0;
- $this->options['database_path'] = '';
- $this->options['database_extension'] = '';
- }
-
- // }}}
- // {{{ errorInfo()
-
- /**
- * This method is used to collect information about an error
- *
- * @param integer $error
- * @return array
- * @access public
- */
- function errorInfo($error = null)
- {
- $native_code = null;
- if ($this->connection) {
- $native_code = @sqlite_last_error($this->connection);
- }
- $native_msg = @sqlite_error_string($native_code);
-
- if (is_null($error)) {
- static $error_regexps;
- if (empty($error_regexps)) {
- $error_regexps = array(
- '/^no such table:/' => MDB2_ERROR_NOSUCHTABLE,
- '/^no such index:/' => MDB2_ERROR_NOT_FOUND,
- '/^(table|index) .* already exists$/' => MDB2_ERROR_ALREADY_EXISTS,
- '/PRIMARY KEY must be unique/i' => MDB2_ERROR_CONSTRAINT,
- '/is not unique/' => MDB2_ERROR_CONSTRAINT,
- '/columns .* are not unique/i' => MDB2_ERROR_CONSTRAINT,
- '/uniqueness constraint failed/' => MDB2_ERROR_CONSTRAINT,
- '/may not be NULL/' => MDB2_ERROR_CONSTRAINT_NOT_NULL,
- '/^no such column:/' => MDB2_ERROR_NOSUCHFIELD,
- '/column not present in both tables/i' => MDB2_ERROR_NOSUCHFIELD,
- '/^near ".*": syntax error$/' => MDB2_ERROR_SYNTAX,
- '/[0-9]+ values for [0-9]+ columns/i' => MDB2_ERROR_VALUE_COUNT_ON_ROW,
- );
- }
- foreach ($error_regexps as $regexp => $code) {
- if (preg_match($regexp, $this->_lasterror)) {
- $error = $code;
- break;
- }
- }
- }
- return array($error, $native_code, $native_msg);
- }
-
- // }}}
- // {{{ escape()
-
- /**
- * Quotes a string so it can be safely used in a query. It will quote
- * the text so it can safely be used within a query.
- *
- * @param string $text the input string to quote
- * @return string quoted string
- * @access public
- */
- function escape($text)
- {
- return @sqlite_escape_string($text);
- }
-
- // }}}
- // {{{ beginTransaction()
-
- /**
- * Start a transaction.
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function beginTransaction()
- {
- $this->debug('starting transaction', 'beginTransaction');
- if ($this->in_transaction) {
- return MDB2_OK; //nothing to do
- }
- if (!$this->destructor_registered && $this->opened_persistent) {
- $this->destructor_registered = true;
- register_shutdown_function('MDB2_closeOpenTransactions');
- }
- $query = 'BEGIN TRANSACTION '.$this->options['base_transaction_name'];
- $result = $this->_doQuery($query, true);
- if (PEAR::isError($result)) {
- return $result;
- }
- $this->in_transaction = true;
- return MDB2_OK;
- }
-
- // }}}
- // {{{ commit()
-
- /**
- * Commit the database changes done during a transaction that is in
- * progress.
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function commit()
- {
- $this->debug('commit transaction', 'commit');
- if (!$this->in_transaction) {
- return $this->raiseError(MDB2_ERROR, null, null,
- 'commit: transaction changes are being auto committed');
- }
- $query = 'COMMIT TRANSACTION '.$this->options['base_transaction_name'];
- $result = $this->_doQuery($query, true);
- if (PEAR::isError($result)) {
- return $result;
- }
- $this->in_transaction = false;
- return MDB2_OK;
- }
-
- // }}}
- // {{{ rollback()
-
- /**
- * Cancel any database changes done during a transaction that is in
- * progress.
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function rollback()
- {
- $this->debug('rolling back transaction', 'rollback');
- if (!$this->in_transaction) {
- return $this->raiseError(MDB2_ERROR, null, null,
- 'rollback: transactions can not be rolled back when changes are auto committed');
- }
- $query = 'ROLLBACK TRANSACTION '.$this->options['base_transaction_name'];
- $result = $this->_doQuery($query, true);
- if (PEAR::isError($result)) {
- return $result;
- }
- $this->in_transaction = false;
- return MDB2_OK;
- }
-
- // }}}
- // {{{ getDatabaseFile()
-
- /**
- * Builds the string with path+dbname+extension
- *
- * @return string full database path+file
- * @access protected
- */
- function _getDatabaseFile($database_name)
- {
- if ($database_name == '') {
- return $database_name;
- }
- return $this->options['database_path'].$database_name.$this->options['database_extension'];
- }
-
- // }}}
- // {{{ connect()
-
- /**
- * Connect to the database
- *
- * @return true on success, MDB2 Error Object on failure
- **/
- function connect()
- {
- $database_file = $this->_getDatabaseFile($this->database_name);
- if (is_resource($this->connection)) {
- if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
- && $this->connected_database_name == $database_file
- && $this->opened_persistent == $this->options['persistent']
- ) {
- return MDB2_OK;
- }
- $this->disconnect(false);
- }
-
- if (!PEAR::loadExtension($this->phptype)) {
- return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'connect: extension '.$this->phptype.' is not compiled into PHP');
- }
-
- if (!empty($this->database_name)) {
- if (!file_exists($database_file)) {
- if (!touch($database_file)) {
- return $this->raiseError(MDB2_ERROR_NOT_FOUND);
- }
- if (!isset($this->dsn['mode'])
- || !is_numeric($this->dsn['mode'])
- ) {
- $mode = 0644;
- } else {
- $mode = octdec($this->dsn['mode']);
- }
- if (!chmod($database_file, $mode)) {
- return $this->raiseError(MDB2_ERROR_NOT_FOUND);
- }
- if (!file_exists($database_file)) {
- return $this->raiseError(MDB2_ERROR_NOT_FOUND);
- }
- }
- if (!is_file($database_file)) {
- return $this->raiseError(MDB2_ERROR_INVALID);
- }
- if (!is_readable($database_file)) {
- return $this->raiseError(MDB2_ERROR_ACCESS_VIOLATION);
- }
-
- $connect_function = ($this->options['persistent'] ? 'sqlite_popen' : 'sqlite_open');
- $php_errormsg = '';
- @ini_set('track_errors', true);
- $connection = @$connect_function($database_file);
- @ini_restore('track_errors');
- $this->_lasterror = isset($php_errormsg) ? $php_errormsg : '';
- if (!$connection) {
- return $this->raiseError(MDB2_ERROR_CONNECT_FAILED);
- }
- $this->connection = $connection;
- $this->connected_dsn = $this->dsn;
- $this->connected_database_name = $database_file;
- $this->opened_persistent = $this->getoption('persistent');
- $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ disconnect()
-
- /**
- * Log out and disconnect from the database.
- *
- * @return mixed true on success, false if not connected and error
- * object on error
- * @access public
- */
- function disconnect($force = true)
- {
- if (is_resource($this->connection)) {
- if (!$this->opened_persistent || $force) {
- @sqlite_close($this->connection);
- }
- $this->connection = 0;
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ _doQuery()
-
- /**
- * Execute a query
- * @param string $query query
- * @param boolean $isManip if the query is a manipulation query
- * @param resource $connection
- * @param string $database_name
- * @return result or error object
- * @access protected
- */
- function _doQuery($query, $isManip = false, $connection = null, $database_name = null)
- {
- $this->last_query = $query;
- $this->debug($query, 'query');
- if ($this->options['disable_query']) {
- if ($isManip) {
- return MDB2_OK;
- }
- return null;
- }
-
- if (is_null($connection)) {
- $error = $this->connect();
- if (PEAR::isError($error)) {
- return $error;
- }
- $connection = $this->connection;
- }
-
- $function = $this->options['result_buffering']
- ? 'sqlite_query' : 'sqlite_unbuffered_query';
- $php_errormsg = '';
- ini_set('track_errors', true);
- $result = @$function($query.';', $connection);
- ini_restore('track_errors');
- $this->_lasterror = isset($php_errormsg) ? $php_errormsg : '';
-
- if (!$result) {
- return $this->raiseError();
- }
-
- if ($isManip) {
- return @sqlite_changes($connection);
- }
- return $result;
- }
-
- // }}}
- // {{{ _modifyQuery()
-
- /**
- * Changes a query string for various DBMS specific reasons
- *
- * @param string $query query to modify
- * @return the new (modified) query
- * @access protected
- */
- function _modifyQuery($query, $isManip, $limit, $offset)
- {
- if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) {
- if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
- $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
- 'DELETE FROM \1 WHERE 1=1', $query);
- }
- }
- if ($limit > 0
- && !preg_match('/LIMIT\s*\d(\s*(,|OFFSET)\s*\d+)?/i', $query)
- ) {
- $query = rtrim($query);
- if (substr($query, -1) == ';') {
- $query = substr($query, 0, -1);
- }
- if ($isManip) {
- $query .= " LIMIT $limit";
- } else {
- $query .= " LIMIT $offset,$limit";
- }
- }
- return $query;
- }
-
-
- // }}}
- // {{{ replace()
-
- /**
- * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
- * query, except that if there is already a row in the table with the same
- * key field values, the REPLACE query just updates its values instead of
- * inserting a new row.
- *
- * The REPLACE type of query does not make part of the SQL standards. Since
- * practically only SQLite implements it natively, this type of query is
- * emulated through this method for other DBMS using standard types of
- * queries inside a transaction to assure the atomicity of the operation.
- *
- * @access public
- *
- * @param string $table name of the table on which the REPLACE query will
- * be executed.
- * @param array $fields associative array that describes the fields and the
- * values that will be inserted or updated in the specified table. The
- * indexes of the array are the names of all the fields of the table. The
- * values of the array are also associative arrays that describe the
- * values and other properties of the table fields.
- *
- * Here follows a list of field properties that need to be specified:
- *
- * value:
- * Value to be assigned to the specified field. This value may be
- * of specified in database independent type format as this
- * function can perform the necessary datatype conversions.
- *
- * Default:
- * this property is required unless the Null property
- * is set to 1.
- *
- * type
- * Name of the type of the field. Currently, all types Metabase
- * are supported except for clob and blob.
- *
- * Default: no type conversion
- *
- * null
- * Boolean property that indicates that the value for this field
- * should be set to null.
- *
- * The default value for fields missing in INSERT queries may be
- * specified the definition of a table. Often, the default value
- * is already null, but since the REPLACE may be emulated using
- * an UPDATE query, make sure that all fields of the table are
- * listed in this function argument array.
- *
- * Default: 0
- *
- * key
- * Boolean property that indicates that this field should be
- * handled as a primary key or at least as part of the compound
- * unique index of the table that will determine the row that will
- * updated if it exists or inserted a new row otherwise.
- *
- * This function will fail if no key field is specified or if the
- * value of a key field is set to null because fields that are
- * part of unique index they may not be null.
- *
- * Default: 0
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- */
- function replace($table, $fields)
- {
- $count = count($fields);
- $query = $values = '';
- $keys = $colnum = 0;
- for (reset($fields); $colnum < $count; next($fields), $colnum++) {
- $name = key($fields);
- if ($colnum > 0) {
- $query .= ',';
- $values .= ',';
- }
- $query .= $name;
- if (isset($fields[$name]['null']) && $fields[$name]['null']) {
- $value = 'NULL';
- } else {
- $value = $this->quote($fields[$name]['value'], $fields[$name]['type']);
- }
- $values .= $value;
- if (isset($fields[$name]['key']) && $fields[$name]['key']) {
- if ($value === 'NULL') {
- return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
- 'replace: key value '.$name.' may not be NULL');
- }
- $keys++;
- }
- }
- if ($keys == 0) {
- return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
- 'replace: not specified which fields are keys');
- }
- $query = "REPLACE INTO $table ($query) VALUES ($values)";
- $this->last_query = $query;
- $this->debug($query, 'query');
- return $this->_doQuery($query, true);
- }
-
- // }}}
- // {{{ nextID()
-
- /**
- * returns the next free id of a sequence
- *
- * @param string $seq_name name of the sequence
- * @param boolean $ondemand when true the seqence is
- * automatic created, if it
- * not exists
- *
- * @return mixed MDB2 Error Object or id
- * @access public
- */
- function nextID($seq_name, $ondemand = true)
- {
- $sequence_name = $this->getSequenceName($seq_name);
- $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (NULL)";
- $this->expectError(MDB2_ERROR_NOSUCHTABLE);
- $result = $this->_doQuery($query, true);
- $this->popExpect();
- if (PEAR::isError($result)) {
- if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
- $this->loadModule('Manager');
- // Since we are creating the sequence on demand
- // we know the first id = 1 so initialize the
- // sequence at 2
- $result = $this->manager->createSequence($seq_name, 2);
- if (PEAR::isError($result)) {
- return $this->raiseError(MDB2_ERROR, null, null,
- 'nextID: on demand sequence '.$seq_name.' could not be created');
- } else {
- // First ID of a newly created sequence is 1
- return 1;
- }
- }
- return $result;
- }
- $value = @sqlite_last_insert_rowid($this->connection);
- if (is_numeric($value)
- && PEAR::isError($this->_doQuery("DELETE FROM $sequence_name WHERE ".$this->options['seqcol_name']." < $value", true))
- ) {
- $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
- }
- return $value;
- }
-
- // }}}
- // {{{ getAfterID()
-
- /**
- * returns the autoincrement ID if supported or $id
- *
- * @param mixed $id value as returned by getBeforeId()
- * @param string $table name of the table into which a new row was inserted
- * @return mixed MDB2 Error Object or id
- * @access public
- */
- function getAfterID($id, $table)
- {
- $this->loadModule('Native');
- return $this->native->getInsertID();
- }
-
- // }}}
- // {{{ currID()
-
- /**
- * returns the current id of a sequence
- *
- * @param string $seq_name name of the sequence
- * @return mixed MDB2 Error Object or id
- * @access public
- */
- function currID($seq_name)
- {
- $sequence_name = $this->getSequenceName($seq_name);
- return $this->queryOne("SELECT MAX(".$this->options['seqcol_name'].") FROM $sequence_name", 'integer');
- }
-}
-
-class MDB2_Result_sqlite extends MDB2_Result_Common
-{
- // }}}
- // {{{ fetchRow()
-
- /**
- * Fetch a row and insert the data into an existing array.
- *
- * @param int $fetchmode how the array data should be indexed
- * @param int $rownum number of the row where the data can be found
- * @return int data array on success, a MDB2 error on failure
- * @access public
- */
- function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
- {
- if (!is_null($rownum)) {
- $seek = $this->seek($rownum);
- if (PEAR::isError($seek)) {
- return $seek;
- }
- }
- if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
- $fetchmode = $this->db->fetchmode;
- }
- if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
- $row = @sqlite_fetch_array($this->result, SQLITE_ASSOC);
- if (is_array($row)
- && $this->db->options['portability'] & MDB2_PORTABILITY_LOWERCASE
- ) {
- $row = array_change_key_case($row, CASE_LOWER);
- }
- } else {
- $row = @sqlite_fetch_array($this->result, SQLITE_NUM);
- }
- if (!$row) {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'fetchRow: resultset has already been freed');
- }
- return null;
- }
- if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) {
- $this->db->_convertEmptyArrayValuesToNull($row);
- }
- if (isset($this->values)) {
- $this->_assignBindColumns($row);
- }
- if (isset($this->types)) {
- $row = $this->db->datatype->convertResultRow($this->types, $row);
- }
- if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
- $object_class = $this->db->options['fetch_class'];
- if ($object_class == 'stdClass') {
- $row = (object) $row;
- } else {
- $row = &new $object_class($row);
- }
- }
- ++$this->rownum;
- return $row;
- }
-
- // }}}
- // {{{ _getColumnNames()
-
- /**
- * Retrieve the names of columns returned by the DBMS in a query result.
- *
- * @return mixed an associative array variable
- * that will hold the names of columns. The
- * indexes of the array are the column names
- * mapped to lower case and the values are the
- * respective numbers of the columns starting
- * from 0. Some DBMS may not return any
- * columns when the result set does not
- * contain any rows.
- *
- * a MDB2 error on failure
- * @access private
- */
- function _getColumnNames()
- {
- $columns = array();
- $numcols = $this->numCols();
- if (PEAR::isError($numcols)) {
- return $numcols;
- }
- for ($column = 0; $column < $numcols; $column++) {
- $column_name = @sqlite_field_name($this->result, $column);
- $columns[$column_name] = $column;
- }
- if ($this->db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) {
- $columns = array_change_key_case($columns, CASE_LOWER);
- }
- return $columns;
- }
-
- // }}}
- // {{{ numCols()
-
- /**
- * Count the number of columns returned by the DBMS in a query result.
- *
- * @access public
- * @return mixed integer value with the number of columns, a MDB2 error
- * on failure
- */
- function numCols()
- {
- $cols = @sqlite_num_fields($this->result);
- if (is_null($cols)) {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'numCols: resultset has already been freed');
- }
- return $this->db->raiseError();
- }
- return $cols;
- }
-}
-
-class MDB2_BufferedResult_sqlite extends MDB2_Result_sqlite
-{
- // {{{ seek()
-
- /**
- * seek to a specific row in a result set
- *
- * @param int $rownum number of the row where the data can be found
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function seek($rownum = 0)
- {
- if (!@sqlite_seek($this->result, $rownum)) {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'seek: resultset has already been freed');
- }
- return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
- 'seek: tried to seek to an invalid row number ('.$rownum.')');
- }
- $this->rownum = $rownum - 1;
- return MDB2_OK;
- }
-
- // }}}
- // {{{ valid()
-
- /**
- * check if the end of the result set has been reached
- *
- * @return mixed true or false on sucess, a MDB2 error on failure
- * @access public
- */
- function valid()
- {
- $numrows = $this->numRows();
- if (PEAR::isError($numrows)) {
- return $numrows;
- }
- return $this->rownum < ($numrows - 1);
- }
-
- // }}}
- // {{{ numRows()
-
- /**
- * returns the number of rows in a result object
- *
- * @return mixed MDB2 Error Object or the number of rows
- * @access public
- */
- function numRows()
- {
- $rows = @sqlite_num_rows($this->result);
- if (is_null($rows)) {
- if (is_null($this->result)) {
- return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'numRows: resultset has already been freed');
- }
- return $this->raiseError();
- }
- return $rows;
- }
-}
-
-class MDB2_Statement_sqlite extends MDB2_Statement_Common
-{
-
-}
-
-?> \ No newline at end of file