<?php
-/**
- * @ingroup Database
- * @file
- */
-
/**
* This is the Oracle database abstraction layer.
+ *
+ * @file
* @ingroup Database
*/
-class ORABlob {
- var $mData;
-
- function __construct($data) {
- $this->mData = $data;
- }
-
- function getData() {
- return $this->mData;
- }
-}
/**
* The oci8 extension is fairly weak and doesn't support oci_num_rows, among
class ORAResult {
private $rows;
private $cursor;
- private $stmt;
private $nrows;
- private $db;
+
+ private $columns = array();
+
+ private function array_unique_md( $array_in ) {
+ $array_out = array();
+ $array_hashes = array();
+
+ foreach ( $array_in as $item ) {
+ $hash = md5( serialize( $item ) );
+ if ( !isset( $array_hashes[$hash] ) ) {
+ $array_hashes[$hash] = $hash;
+ $array_out[] = $item;
+ }
+ }
- function __construct(&$db, $stmt) {
+ return $array_out;
+ }
+
+ function __construct( &$db, $stmt, $unique = false ) {
$this->db =& $db;
- if (($this->nrows = oci_fetch_all($stmt, $this->rows, 0, -1, OCI_FETCHSTATEMENT_BY_ROW | OCI_NUM)) === false) {
- $e = oci_error($stmt);
- $db->reportQueryError($e['message'], $e['code'], '', __FUNCTION__);
+
+ if ( ( $this->nrows = oci_fetch_all( $stmt, $this->rows, 0, - 1, OCI_FETCHSTATEMENT_BY_ROW | OCI_NUM ) ) === false ) {
+ $e = oci_error( $stmt );
+ $db->reportQueryError( $e['message'], $e['code'], '', __METHOD__ );
+ $this->free();
return;
}
+ if ( $unique ) {
+ $this->rows = $this->array_unique_md( $this->rows );
+ $this->nrows = count( $this->rows );
+ }
+
+ if ($this->nrows > 0) {
+ foreach ( $this->rows[0] as $k => $v ) {
+ $this->columns[$k] = strtolower( oci_field_name( $stmt, $k + 1 ) );
+ }
+ }
+
$this->cursor = 0;
- $this->stmt = $stmt;
+ oci_free_statement( $stmt );
}
- function free() {
- oci_free_statement($this->stmt);
+ public function free() {
+ unset($this->db);
}
- function seek($row) {
- $this->cursor = min($row, $this->nrows);
+ public function seek( $row ) {
+ $this->cursor = min( $row, $this->nrows );
}
- function numRows() {
+ public function numRows() {
return $this->nrows;
}
- function numFields() {
- return oci_num_fields($this->stmt);
+ public function numFields() {
+ return count($this->columns);
}
- function fetchObject() {
- if ($this->cursor >= $this->nrows)
+ public function fetchObject() {
+ if ( $this->cursor >= $this->nrows ) {
return false;
-
+ }
$row = $this->rows[$this->cursor++];
$ret = new stdClass();
- foreach ($row as $k => $v) {
- $lc = strtolower(oci_field_name($this->stmt, $k + 1));
+ foreach ( $row as $k => $v ) {
+ $lc = $this->columns[$k];
$ret->$lc = $v;
}
return $ret;
}
- function fetchAssoc() {
- if ($this->cursor >= $this->nrows)
+ public function fetchRow() {
+ if ( $this->cursor >= $this->nrows ) {
return false;
+ }
$row = $this->rows[$this->cursor++];
$ret = array();
- foreach ($row as $k => $v) {
- $lc = strtolower(oci_field_name($this->stmt, $k + 1));
+ foreach ( $row as $k => $v ) {
+ $lc = $this->columns[$k];
$ret[$lc] = $v;
$ret[$k] = $v;
}
}
/**
+ * Utility class.
* @ingroup Database
*/
-class DatabaseOracle extends Database {
- var $mInsertId = NULL;
- var $mLastResult = NULL;
- var $numeric_version = NULL;
+class ORAField implements Field {
+ private $name, $tablename, $default, $max_length, $nullable,
+ $is_pk, $is_unique, $is_multiple, $is_key, $type;
+
+ function __construct( $info ) {
+ $this->name = $info['column_name'];
+ $this->tablename = $info['table_name'];
+ $this->default = $info['data_default'];
+ $this->max_length = $info['data_length'];
+ $this->nullable = $info['not_null'];
+ $this->is_pk = isset( $info['prim'] ) && $info['prim'] == 1 ? 1 : 0;
+ $this->is_unique = isset( $info['uniq'] ) && $info['uniq'] == 1 ? 1 : 0;
+ $this->is_multiple = isset( $info['nonuniq'] ) && $info['nonuniq'] == 1 ? 1 : 0;
+ $this->is_key = ( $this->is_pk || $this->is_unique || $this->is_multiple );
+ $this->type = $info['data_type'];
+ }
+
+ function name() {
+ return $this->name;
+ }
+
+ function tableName() {
+ return $this->tablename;
+ }
+
+ function defaultValue() {
+ return $this->default;
+ }
+
+ function maxLength() {
+ return $this->max_length;
+ }
+
+ function isNullable() {
+ return $this->nullable;
+ }
+
+ function isKey() {
+ return $this->is_key;
+ }
+
+ function isMultipleKey() {
+ return $this->is_multiple;
+ }
+
+ function type() {
+ return $this->type;
+ }
+}
+
+/**
+ * @ingroup Database
+ */
+class DatabaseOracle extends DatabaseBase {
+ var $mInsertId = null;
+ var $mLastResult = null;
+ var $numeric_version = null;
var $lastResult = null;
var $cursor = 0;
var $mAffectedRows;
- function DatabaseOracle($server = false, $user = false, $password = false, $dbName = false,
- $failFunction = false, $flags = 0 )
+ var $ignore_DUP_VAL_ON_INDEX = false;
+ var $sequenceData = null;
+
+ var $defaultCharset = 'AL32UTF8';
+
+ var $mFieldInfoCache = array();
+
+ function __construct( $server = false, $user = false, $password = false, $dbName = false,
+ $flags = 0, $tablePrefix = 'get from global' )
{
+ $tablePrefix = $tablePrefix == 'get from global' ? $tablePrefix : strtoupper( $tablePrefix );
+ parent::__construct( $server, $user, $password, $dbName, $flags, $tablePrefix );
+ wfRunHooks( 'DatabaseOraclePostInit', array( $this ) );
+ }
- global $wgOut;
- # Can't get a reference if it hasn't been set yet
- if ( !isset( $wgOut ) ) {
- $wgOut = NULL;
+ function __destruct() {
+ if ($this->mOpened) {
+ wfSuppressWarnings();
+ $this->close();
+ wfRestoreWarnings();
}
- $this->mOut =& $wgOut;
- $this->mFailFunction = $failFunction;
- $this->mFlags = $flags;
- $this->open( $server, $user, $password, $dbName);
+ }
+ function getType() {
+ return 'oracle';
}
function cascadingDeletes() {
return true;
}
- static function newFromParams( $server = false, $user = false, $password = false, $dbName = false,
- $failFunction = false, $flags = 0)
+ static function newFromParams( $server, $user, $password, $dbName, $flags = 0 )
{
- return new DatabaseOracle( $server, $user, $password, $dbName, $failFunction, $flags );
+ return new DatabaseOracle( $server, $user, $password, $dbName, $flags );
}
/**
* Usually aborts on failure
- * If the failFunction is set to a non-zero integer, returns success
*/
function open( $server, $user, $password, $dbName ) {
if ( !function_exists( 'oci_connect' ) ) {
throw new DBConnectionError( $this, "Oracle functions missing, have you compiled PHP with the --with-oci8 option?\n (Note: if you recently installed PHP, you may need to restart your webserver and database)\n" );
}
- # Needed for proper UTF-8 functionality
- putenv("NLS_LANG=AMERICAN_AMERICA.AL32UTF8");
-
- $this->close();
- $this->mServer = $server;
$this->mUser = $user;
$this->mPassword = $password;
- $this->mDBname = $dbName;
+ // changed internal variables functions
+ // mServer now holds the TNS endpoint
+ // mDBname is schema name if different from username
+ if ( !$server ) {
+ // backward compatibillity (server used to be null and TNS was supplied in dbname)
+ $this->mServer = $dbName;
+ $this->mDBname = $user;
+ } else {
+ $this->mServer = $server;
+ if ( !$dbName ) {
+ $this->mDBname = $user;
+ } else {
+ $this->mDBname = $dbName;
+ }
+ }
- if (!strlen($user)) { ## e.g. the class is being loaded
+ if ( !strlen( $user ) ) { # e.g. the class is being loaded
return;
}
- error_reporting( E_ALL );
- $this->mConn = oci_connect($user, $password, $dbName);
+ $session_mode = $this->mFlags & DBO_SYSDBA ? OCI_SYSDBA : OCI_DEFAULT;
+ if ( $this->mFlags & DBO_DEFAULT ) {
+ $this->mConn = oci_new_connect( $this->mUser, $this->mPassword, $this->mServer, $this->defaultCharset, $session_mode );
+ } else {
+ $this->mConn = oci_connect( $this->mUser, $this->mPassword, $this->mServer, $this->defaultCharset, $session_mode );
+ }
- if ($this->mConn == false) {
- wfDebug("DB connection error\n");
- wfDebug("Server: $server, Database: $dbName, User: $user, Password: " . substr( $password, 0, 3 ) . "...\n");
- wfDebug($this->lastError()."\n");
- return false;
+ if ( $this->mUser != $this->mDBname ) {
+ //change current schema in session
+ $this->selectDB( $this->mDBname );
+ }
+
+ if ( !$this->mConn ) {
+ throw new DBConnectionError( $this, $this->lastError() );
}
$this->mOpened = true;
+
+ # removed putenv calls because they interfere with the system globaly
+ $this->doQuery( 'ALTER SESSION SET NLS_TIMESTAMP_FORMAT=\'DD-MM-YYYY HH24:MI:SS.FF6\'' );
+ $this->doQuery( 'ALTER SESSION SET NLS_TIMESTAMP_TZ_FORMAT=\'DD-MM-YYYY HH24:MI:SS.FF6\'' );
+ $this->doQuery( 'ALTER SESSION SET NLS_NUMERIC_CHARACTERS=\'.,\'' );
+
return $this->mConn;
}
function close() {
$this->mOpened = false;
if ( $this->mConn ) {
+ if ( $this->mTrxLevel ) {
+ $this->commit();
+ }
return oci_close( $this->mConn );
} else {
return true;
return $this->mTrxLevel ? OCI_DEFAULT : OCI_COMMIT_ON_SUCCESS;
}
- function doQuery($sql) {
- wfDebug("SQL: [$sql]\n");
- if (!mb_check_encoding($sql)) {
- throw new MWException("SQL encoding is invalid");
+ function doQuery( $sql ) {
+ wfDebug( "SQL: [$sql]\n" );
+ if ( !mb_check_encoding( $sql ) ) {
+ throw new MWException( "SQL encoding is invalid\n$sql" );
+ }
+
+ // handle some oracle specifics
+ // remove AS column/table/subquery namings
+ if( !$this->getFlag( DBO_DDLMODE ) ) {
+ $sql = preg_replace( '/ as /i', ' ', $sql );
}
- if (($this->mLastResult = $stmt = oci_parse($this->mConn, $sql)) === false) {
- $e = oci_error($this->mConn);
- $this->reportQueryError($e['message'], $e['code'], $sql, __FUNCTION__);
+ // Oracle has issues with UNION clause if the statement includes LOB fields
+ // So we do a UNION ALL and then filter the results array with array_unique
+ $union_unique = ( preg_match( '/\/\* UNION_UNIQUE \*\/ /', $sql ) != 0 );
+ // EXPLAIN syntax in Oracle is EXPLAIN PLAN FOR and it return nothing
+ // you have to select data from plan table after explain
+ $explain_id = date( 'dmYHis' );
+
+ $sql = preg_replace( '/^EXPLAIN /', 'EXPLAIN PLAN SET STATEMENT_ID = \'' . $explain_id . '\' FOR', $sql, 1, $explain_count );
+
+ wfSuppressWarnings();
+
+ if ( ( $this->mLastResult = $stmt = oci_parse( $this->mConn, $sql ) ) === false ) {
+ $e = oci_error( $this->mConn );
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
}
- if (oci_execute($stmt, $this->execFlags()) == false) {
- $e = oci_error($stmt);
- $this->reportQueryError($e['message'], $e['code'], $sql, __FUNCTION__);
+ if ( !oci_execute( $stmt, $this->execFlags() ) ) {
+ $e = oci_error( $stmt );
+ if ( !$this->ignore_DUP_VAL_ON_INDEX || $e['code'] != '1' ) {
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
+ }
}
- if (oci_statement_type($stmt) == "SELECT")
- return new ORAResult($this, $stmt);
- else {
- $this->mAffectedRows = oci_num_rows($stmt);
+
+ wfRestoreWarnings();
+
+ if ( $explain_count > 0 ) {
+ return $this->doQuery( 'SELECT id, cardinality "ROWS" FROM plan_table WHERE statement_id = \'' . $explain_id . '\'' );
+ } elseif ( oci_statement_type( $stmt ) == 'SELECT' ) {
+ return new ORAResult( $this, $stmt, $union_unique );
+ } else {
+ $this->mAffectedRows = oci_num_rows( $stmt );
return true;
}
}
- function queryIgnore($sql, $fname = '') {
- return $this->query($sql, $fname, true);
+ function queryIgnore( $sql, $fname = '' ) {
+ return $this->query( $sql, $fname, true );
}
- function freeResult($res) {
+ function freeResult( $res ) {
+ if ( $res instanceof ResultWrapper ) {
+ $res = $res->result;
+ }
+
$res->free();
}
- function fetchObject($res) {
+ function fetchObject( $res ) {
+ if ( $res instanceof ResultWrapper ) {
+ $res = $res->result;
+ }
+
return $res->fetchObject();
}
- function fetchRow($res) {
- return $res->fetchAssoc();
+ function fetchRow( $res ) {
+ if ( $res instanceof ResultWrapper ) {
+ $res = $res->result;
+ }
+
+ return $res->fetchRow();
}
- function numRows($res) {
+ function numRows( $res ) {
+ if ( $res instanceof ResultWrapper ) {
+ $res = $res->result;
+ }
+
return $res->numRows();
}
- function numFields($res) {
+ function numFields( $res ) {
+ if ( $res instanceof ResultWrapper ) {
+ $res = $res->result;
+ }
+
return $res->numFields();
}
- function fieldName($stmt, $n) {
- return pg_field_name($stmt, $n);
+ function fieldName( $stmt, $n ) {
+ return oci_field_name( $stmt, $n );
}
/**
return $this->mInsertId;
}
- function dataSeek($res, $row) {
- $res->seek($row);
+ function dataSeek( $res, $row ) {
+ if ( $res instanceof ORAResult ) {
+ $res->seek( $row );
+ } else {
+ $res->result->seek( $row );
+ }
}
function lastError() {
- if ($this->mConn === false)
+ if ( $this->mConn === false ) {
$e = oci_error();
- else
- $e = oci_error($this->mConn);
+ } else {
+ $e = oci_error( $this->mConn );
+ }
return $e['message'];
}
function lastErrno() {
- if ($this->mConn === false)
+ if ( $this->mConn === false ) {
$e = oci_error();
- else
- $e = oci_error($this->mConn);
+ } else {
+ $e = oci_error( $this->mConn );
+ }
return $e['code'];
}
* Returns information about an index
* If errors are explicitly ignored, returns NULL on failure
*/
- function indexInfo( $table, $index, $fname = 'Database::indexExists' ) {
+ function indexInfo( $table, $index, $fname = 'DatabaseOracle::indexExists' ) {
return false;
}
- function indexUnique ($table, $index, $fname = 'Database::indexUnique' ) {
+ function indexUnique( $table, $index, $fname = 'DatabaseOracle::indexUnique' ) {
return false;
}
- function insert( $table, $a, $fname = 'Database::insert', $options = array() ) {
- if (!is_array($options))
- $options = array($options);
+ function insert( $table, $a, $fname = 'DatabaseOracle::insert', $options = array() ) {
+ if ( !count( $a ) ) {
+ return true;
+ }
- #if (in_array('IGNORE', $options))
- # $oldIgnore = $this->ignoreErrors(true);
+ if ( !is_array( $options ) ) {
+ $options = array( $options );
+ }
- # IGNORE is performed using single-row inserts, ignoring errors in each
- # FIXME: need some way to distiguish between key collision and other types of error
- //$oldIgnore = $this->ignoreErrors(true);
- if (!is_array(reset($a))) {
- $a = array($a);
+ if ( in_array( 'IGNORE', $options ) ) {
+ $this->ignore_DUP_VAL_ON_INDEX = true;
}
- foreach ($a as $row) {
- $this->insertOneRow($table, $row, $fname);
+
+ if ( !is_array( reset( $a ) ) ) {
+ $a = array( $a );
+ }
+
+ foreach ( $a as &$row ) {
+ $this->insertOneRow( $table, $row, $fname );
}
- //$this->ignoreErrors($oldIgnore);
$retVal = true;
- //if (in_array('IGNORE', $options))
- // $this->ignoreErrors($oldIgnore);
+ if ( in_array( 'IGNORE', $options ) ) {
+ $this->ignore_DUP_VAL_ON_INDEX = false;
+ }
return $retVal;
}
- function insertOneRow($table, $row, $fname) {
+ private function fieldBindStatement ( $table, $col, &$val, $includeCol = false ) {
+ $col_info = $this->fieldInfoMulti( $table, $col );
+ $col_type = $col_info != false ? $col_info->type() : 'CONSTANT';
+
+ $bind = '';
+ if ( is_numeric( $col ) ) {
+ $bind = $val;
+ $val = null;
+ return $bind;
+ } else if ( $includeCol ) {
+ $bind = "$col = ";
+ }
+
+ if ( $val == '' && $val !== 0 && $col_type != 'BLOB' && $col_type != 'CLOB' ) {
+ $val = null;
+ }
+
+ if ( $val === 'NULL' ) {
+ $val = null;
+ }
+
+ if ( $val === null ) {
+ if ( $col_info != false && $col_info->isNullable() == 0 && $col_info->defaultValue() != null ) {
+ $bind .= 'DEFAULT';
+ } else {
+ $bind .= 'NULL';
+ }
+ } else {
+ $bind .= ':' . $col;
+ }
+
+ return $bind;
+ }
+
+ private function insertOneRow( $table, $row, $fname ) {
+ global $wgContLang;
+
+ $table = $this->tableName( $table );
// "INSERT INTO tables (a, b, c)"
- $sql = "INSERT INTO " . $this->tableName($table) . " (" . join(',', array_keys($row)) . ')';
+ $sql = "INSERT INTO " . $table . " (" . join( ',', array_keys( $row ) ) . ')';
$sql .= " VALUES (";
// for each value, append ":key"
$first = true;
- $returning = '';
- foreach ($row as $col => $val) {
- if (is_object($val)) {
- $what = "EMPTY_BLOB()";
- assert($returning === '');
- $returning = " RETURNING $col INTO :bval";
- $blobcol = $col;
- } else
- $what = ":$col";
-
- if ($first)
- $sql .= "$what";
- else
- $sql.= ", $what";
- $first = false;
- }
- $sql .= ") $returning";
-
- $stmt = oci_parse($this->mConn, $sql);
- foreach ($row as $col => $val) {
- if (!is_object($val)) {
- if (oci_bind_by_name($stmt, ":$col", $row[$col]) === false)
- $this->reportQueryError($this->lastErrno(), $this->lastError(), $sql, __METHOD__);
+ foreach ( $row as $col => &$val ) {
+ if ( !$first ) {
+ $sql .= ', ';
+ } else {
+ $first = false;
+ }
+
+ $sql .= $this->fieldBindStatement( $table, $col, $val );
+ }
+ $sql .= ')';
+
+ if ( ( $this->mLastResult = $stmt = oci_parse( $this->mConn, $sql ) ) === false ) {
+ $e = oci_error( $this->mConn );
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
+ }
+ foreach ( $row as $col => &$val ) {
+ $col_info = $this->fieldInfoMulti( $table, $col );
+ $col_type = $col_info != false ? $col_info->type() : 'CONSTANT';
+
+ if ( $val === null ) {
+ // do nothing ... null was inserted in statement creation
+ } elseif ( $col_type != 'BLOB' && $col_type != 'CLOB' ) {
+ if ( is_object( $val ) ) {
+ $val = $val->fetch();
+ }
+
+ if ( preg_match( '/^timestamp.*/i', $col_type ) == 1 && strtolower( $val ) == 'infinity' ) {
+ $val = '31-12-2030 12:00:00.000000';
+ }
+
+ $val = ( $wgContLang != null ) ? $wgContLang->checkTitleEncoding( $val ) : $val;
+ if ( oci_bind_by_name( $stmt, ":$col", $val ) === false ) {
+ $e = oci_error( $stmt );
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
+ }
+ } else {
+ if ( ( $lob[$col] = oci_new_descriptor( $this->mConn, OCI_D_LOB ) ) === false ) {
+ $e = oci_error( $stmt );
+ throw new DBUnexpectedError( $this, "Cannot create LOB descriptor: " . $e['message'] );
+ }
+
+ if ( is_object( $val ) ) {
+ $val = $val->fetch();
+ }
+
+ if ( $col_type == 'BLOB' ) {
+ $lob[$col]->writeTemporary( $val, OCI_TEMP_BLOB );
+ oci_bind_by_name( $stmt, ":$col", $lob[$col], - 1, OCI_B_BLOB );
+ } else {
+ $lob[$col]->writeTemporary( $val, OCI_TEMP_CLOB );
+ oci_bind_by_name( $stmt, ":$col", $lob[$col], - 1, OCI_B_CLOB );
+ }
}
}
- if (($bval = oci_new_descriptor($this->mConn, OCI_D_LOB)) === false) {
- $e = oci_error($stmt);
- throw new DBUnexpectedError($this, "Cannot create LOB descriptor: " . $e['message']);
+ wfSuppressWarnings();
+
+ if ( oci_execute( $stmt, $this->execFlags() ) === false ) {
+ $e = oci_error( $stmt );
+ if ( !$this->ignore_DUP_VAL_ON_INDEX || $e['code'] != '1' ) {
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
+ } else {
+ $this->mAffectedRows = oci_num_rows( $stmt );
+ }
+ } else {
+ $this->mAffectedRows = oci_num_rows( $stmt );
}
- if (strlen($returning))
- oci_bind_by_name($stmt, ":bval", $bval, -1, SQLT_BLOB);
+ wfRestoreWarnings();
- if (oci_execute($stmt, OCI_DEFAULT) === false) {
- $e = oci_error($stmt);
- $this->reportQueryError($e['message'], $e['code'], $sql, __METHOD__);
+ if ( isset( $lob ) ) {
+ foreach ( $lob as $lob_v ) {
+ $lob_v->free();
+ }
}
- if (strlen($returning)) {
- $bval->save($row[$blobcol]->getData());
- $bval->free();
+
+ if ( !$this->mTrxLevel ) {
+ oci_commit( $this->mConn );
}
- if (!$this->mTrxLevel)
- oci_commit($this->mConn);
- oci_free_statement($stmt);
+ oci_free_statement( $stmt );
+ }
+
+ function insertSelect( $destTable, $srcTable, $varMap, $conds, $fname = 'DatabaseOracle::insertSelect',
+ $insertOptions = array(), $selectOptions = array() )
+ {
+ $destTable = $this->tableName( $destTable );
+ if ( !is_array( $selectOptions ) ) {
+ $selectOptions = array( $selectOptions );
+ }
+ list( $startOpts, $useIndex, $tailOpts ) = $this->makeSelectOptions( $selectOptions );
+ if ( is_array( $srcTable ) ) {
+ $srcTable = implode( ',', array_map( array( &$this, 'tableName' ), $srcTable ) );
+ } else {
+ $srcTable = $this->tableName( $srcTable );
+ }
+
+ if ( ( $sequenceData = $this->getSequenceData( $destTable ) ) !== false &&
+ !isset( $varMap[$sequenceData['column']] ) )
+ {
+ $varMap[$sequenceData['column']] = 'GET_SEQUENCE_VALUE(\'' . $sequenceData['sequence'] . '\')';
+ }
+
+ // count-alias subselect fields to avoid abigious definition errors
+ $i = 0;
+ foreach ( $varMap as &$val ) {
+ $val = $val . ' field' . ( $i++ );
+ }
+
+ $sql = "INSERT INTO $destTable (" . implode( ',', array_keys( $varMap ) ) . ')' .
+ " SELECT $startOpts " . implode( ',', $varMap ) .
+ " FROM $srcTable $useIndex ";
+ if ( $conds != '*' ) {
+ $sql .= ' WHERE ' . $this->makeList( $conds, LIST_AND );
+ }
+ $sql .= " $tailOpts";
+
+ if ( in_array( 'IGNORE', $insertOptions ) ) {
+ $this->ignore_DUP_VAL_ON_INDEX = true;
+ }
+
+ $retval = $this->query( $sql, $fname );
+
+ if ( in_array( 'IGNORE', $insertOptions ) ) {
+ $this->ignore_DUP_VAL_ON_INDEX = false;
+ }
+
+ return $retval;
}
function tableName( $name ) {
- # Replace reserved words with better ones
+ global $wgSharedDB, $wgSharedPrefix, $wgSharedTables;
+ /*
+ Replace reserved words with better ones
+ Using uppercase because that's the only way Oracle can handle
+ quoted tablenames
+ */
switch( $name ) {
case 'user':
- return 'mwuser';
+ $name = 'MWUSER';
+ break;
case 'text':
- return 'pagecontent';
- default:
- return $name;
+ $name = 'PAGECONTENT';
+ break;
+ }
+
+ /*
+ The rest of procedure is equal to generic Databse class
+ except for the quoting style
+ */
+ if ( $name[0] == '"' && substr( $name, - 1, 1 ) == '"' ) {
+ return $name;
+ }
+ if ( preg_match( '/(^|\s)(DISTINCT|JOIN|ON|AS)(\s|$)/i', $name ) !== 0 ) {
+ return $name;
+ }
+ $dbDetails = array_reverse( explode( '.', $name, 2 ) );
+ if ( isset( $dbDetails[1] ) ) {
+ @list( $table, $database ) = $dbDetails;
+ } else {
+ @list( $table ) = $dbDetails;
+ }
+
+ $prefix = $this->mTablePrefix;
+
+ if ( isset( $database ) ) {
+ $table = ( $table[0] == '`' ? $table : "`{$table}`" );
+ }
+
+ if ( !isset( $database ) && isset( $wgSharedDB ) && $table[0] != '"'
+ && isset( $wgSharedTables )
+ && is_array( $wgSharedTables )
+ && in_array( $table, $wgSharedTables )
+ ) {
+ $database = $wgSharedDB;
+ $prefix = isset( $wgSharedPrefix ) ? $wgSharedPrefix : $prefix;
+ }
+
+ if ( isset( $database ) ) {
+ $database = ( $database[0] == '"' ? $database : "\"{$database}\"" );
}
+ $table = ( $table[0] == '"') ? $table : "\"{$prefix}{$table}\"" ;
+
+ $tableName = ( isset( $database ) ? "{$database}.{$table}" : "{$table}" );
+
+ return strtoupper( $tableName );
+ }
+
+ function tableNameInternal( $name ) {
+ $name = $this->tableName( $name );
+ return preg_replace( '/.*\."(.*)"/', '$1', $name);
}
/**
* Return the next in a sequence, save the value for retrieval via insertId()
*/
- function nextSequenceValue($seqName) {
- $res = $this->query("SELECT $seqName.nextval FROM dual");
- $row = $this->fetchRow($res);
+ function nextSequenceValue( $seqName ) {
+ $res = $this->query( "SELECT $seqName.nextval FROM dual" );
+ $row = $this->fetchRow( $res );
$this->mInsertId = $row[0];
- $this->freeResult($res);
return $this->mInsertId;
}
/**
- * Oracle does not have a "USE INDEX" clause, so return an empty string
+ * Return sequence_name if table has a sequence
*/
- function useIndexClause($index) {
- return '';
- }
-
- # REPLACE query wrapper
- # Oracle simulates this with a DELETE followed by INSERT
- # $row is the row to insert, an associative array
- # $uniqueIndexes is an array of indexes. Each element may be either a
- # field name or an array of field names
- #
- # It may be more efficient to leave off unique indexes which are unlikely to collide.
- # However if you do this, you run the risk of encountering errors which wouldn't have
- # occurred in MySQL
- function replace( $table, $uniqueIndexes, $rows, $fname = 'Database::replace' ) {
- $table = $this->tableName($table);
-
- if (count($rows)==0) {
+ private function getSequenceData( $table ) {
+ if ( $this->sequenceData == null ) {
+ $result = $this->doQuery( 'SELECT lower(us.sequence_name), lower(utc.table_name), lower(utc.column_name) from user_sequences us, user_tab_columns utc where us.sequence_name = utc.table_name||\'_\'||utc.column_name||\'_SEQ\'' );
+
+ while ( ( $row = $result->fetchRow() ) !== false ) {
+ $this->sequenceData[$this->tableName( $row[1] )] = array(
+ 'sequence' => $row[0],
+ 'column' => $row[2]
+ );
+ }
+ }
+
+ return ( isset( $this->sequenceData[$table] ) ) ? $this->sequenceData[$table] : false;
+ }
+
+ /**
+ * REPLACE query wrapper
+ * Oracle simulates this with a DELETE followed by INSERT
+ * $row is the row to insert, an associative array
+ * $uniqueIndexes is an array of indexes. Each element may be either a
+ * field name or an array of field names
+ *
+ * It may be more efficient to leave off unique indexes which are unlikely to collide.
+ * However if you do this, you run the risk of encountering errors which wouldn't have
+ * occurred in MySQL.
+ *
+ * @param $table String: table name
+ * @param $uniqueIndexes Array: array of indexes. Each element may be
+ * either a field name or an array of field names
+ * @param $rows Array: rows to insert to $table
+ * @param $fname String: function name, you can use __METHOD__ here
+ */
+ function replace( $table, $uniqueIndexes, $rows, $fname = 'DatabaseOracle::replace' ) {
+ $table = $this->tableName( $table );
+
+ if ( count( $rows ) == 0 ) {
return;
}
# Single row case
- if (!is_array(reset($rows))) {
- $rows = array($rows);
+ if ( !is_array( reset( $rows ) ) ) {
+ $rows = array( $rows );
}
- foreach( $rows as $row ) {
+ $sequenceData = $this->getSequenceData( $table );
+
+ foreach ( $rows as $row ) {
# Delete rows which collide
if ( $uniqueIndexes ) {
- $sql = "DELETE FROM $table WHERE ";
- $first = true;
- foreach ( $uniqueIndexes as $index ) {
- if ( $first ) {
- $first = false;
- $sql .= "(";
- } else {
- $sql .= ') OR (';
- }
+ $deleteConds = array();
+ foreach ( $uniqueIndexes as $key=>$index ) {
if ( is_array( $index ) ) {
- $first2 = true;
+ $deleteConds2 = array();
foreach ( $index as $col ) {
- if ( $first2 ) {
- $first2 = false;
- } else {
- $sql .= ' AND ';
- }
- $sql .= $col.'=' . $this->addQuotes( $row[$col] );
+ $deleteConds2[$col] = $row[$col];
}
+ $deleteConds[$key] = $this->makeList( $deleteConds2, LIST_AND );
} else {
- $sql .= $index.'=' . $this->addQuotes( $row[$index] );
+ $deleteConds[$index] = $row[$index];
}
}
- $sql .= ')';
- $this->query( $sql, $fname );
+ $deleteConds = array( $this->makeList( $deleteConds, LIST_OR ) );
+ $this->delete( $table, $deleteConds, $fname );
+ }
+
+
+ if ( $sequenceData !== false && !isset( $row[$sequenceData['column']] ) ) {
+ $row[$sequenceData['column']] = $this->nextSequenceValue( $sequenceData['sequence'] );
}
# Now insert the row
- $sql = "INSERT INTO $table (" . $this->makeList( array_keys( $row ), LIST_NAMES ) .') VALUES (' .
- $this->makeList( $row, LIST_COMMA ) . ')';
- $this->query($sql, $fname);
+ $this->insert( $table, $row, $fname );
}
}
# DELETE where the condition is a join
- function deleteJoin( $delTable, $joinTable, $delVar, $joinVar, $conds, $fname = "Database::deleteJoin" ) {
+ function deleteJoin( $delTable, $joinTable, $delVar, $joinVar, $conds, $fname = 'DatabaseOracle::deleteJoin' ) {
if ( !$conds ) {
- throw new DBUnexpectedError($this, 'Database::deleteJoin() called with empty $conds' );
+ throw new DBUnexpectedError( $this, 'DatabaseOracle::deleteJoin() called with empty $conds' );
}
$delTable = $this->tableName( $delTable );
# Returns the size of a text field, or -1 for "unlimited"
function textFieldSize( $table, $field ) {
- $table = $this->tableName( $table );
- $sql = "SELECT t.typname as ftype,a.atttypmod as size
- FROM pg_class c, pg_attribute a, pg_type t
- WHERE relname='$table' AND a.attrelid=c.oid AND
- a.atttypid=t.oid and a.attname='$field'";
- $res =$this->query($sql);
- $row=$this->fetchObject($res);
- if ($row->ftype=="varchar") {
- $size=$row->size-4;
- } else {
- $size=$row->size;
+ $fieldInfoData = $this->fieldInfo( $table, $field );
+ return $fieldInfoData->maxLength();
+ }
+
+ function limitResult( $sql, $limit, $offset = false ) {
+ if ( $offset === false ) {
+ $offset = 0;
}
- $this->freeResult( $res );
- return $size;
+ return "SELECT * FROM ($sql) WHERE rownum >= (1 + $offset) AND rownum < (1 + $limit + $offset)";
}
- function lowPriorityOption() {
- return '';
+ function encodeBlob( $b ) {
+ return new Blob( $b );
}
- function limitResult($sql, $limit, $offset) {
- if ($offset === false)
- $offset = 0;
- return "SELECT * FROM ($sql) WHERE rownum >= (1 + $offset) AND rownum < 1 + $limit + $offset";
+ function decodeBlob( $b ) {
+ if ( $b instanceof Blob ) {
+ $b = $b->fetch();
+ }
+ return $b;
}
- /**
- * Returns an SQL expression for a simple conditional.
- * Uses CASE on Oracle
- *
- * @param $cond String: SQL expression which will result in a boolean value
- * @param $trueVal String: SQL expression to return if true
- * @param $falseVal String: SQL expression to return if false
- * @return String: SQL fragment
- */
- function conditional( $cond, $trueVal, $falseVal ) {
- return " (CASE WHEN $cond THEN $trueVal ELSE $falseVal END) ";
+ function unionQueries( $sqls, $all ) {
+ $glue = ' UNION ALL ';
+ return 'SELECT * ' . ( $all ? '':'/* UNION_UNIQUE */ ' ) . 'FROM (' . implode( $glue, $sqls ) . ')' ;
+ }
+
+ public function unixTimestamp( $field ) {
+ return "((trunc($field) - to_date('19700101','YYYYMMDD')) * 86400)";
}
function wasDeadlock() {
return $this->lastErrno() == 'OCI-00060';
}
- function timestamp($ts = 0) {
- return wfTimestamp(TS_ORACLE, $ts);
+ function duplicateTableStructure( $oldName, $newName, $temporary = false, $fname = 'DatabaseOracle::duplicateTableStructure' ) {
+ global $wgDBprefix;
+
+ $temporary = $temporary ? 'TRUE' : 'FALSE';
+
+ $newName = trim( strtoupper( $newName ), '"');
+ $oldName = trim( strtoupper( $oldName ), '"');
+
+ $tabName = substr( $newName, strlen( $wgDBprefix ) );
+ $oldPrefix = substr( $oldName, 0, strlen( $oldName ) - strlen( $tabName ) );
+
+ return $this->doQuery( 'BEGIN DUPLICATE_TABLE(\'' . $tabName . '\', \'' . $oldPrefix . '\', \'' . strtoupper( $wgDBprefix ) . '\', ' . $temporary . '); END;' );
+ }
+
+ function listTables( $prefix = null, $fname = 'DatabaseOracle::listTables' ) {
+ $listWhere = '';
+ if (!empty($prefix)) {
+ $listWhere = ' AND table_name LIKE \''.strtoupper($prefix).'%\'';
+ }
+
+ $result = $this->doQuery( "SELECT table_name FROM user_tables WHERE table_name NOT LIKE '%!_IDX$_' ESCAPE '!' $listWhere" );
+
+ // dirty code ... i know
+ $endArray = array();
+ $endArray[] = $prefix.'MWUSER';
+ $endArray[] = $prefix.'PAGE';
+ $endArray[] = $prefix.'IMAGE';
+ $fixedOrderTabs = $endArray;
+ while (($row = $result->fetchRow()) !== false) {
+ if (!in_array($row['table_name'], $fixedOrderTabs))
+ $endArray[] = $row['table_name'];
+ }
+
+ return $endArray;
+ }
+
+ public function dropTable( $tableName, $fName = 'DatabaseOracle::dropTable' ) {
+ $tableName = $this->tableName($tableName);
+ if( !$this->tableExists( $tableName ) ) {
+ return false;
+ }
+
+ return $this->doQuery( "DROP TABLE $tableName CASCADE CONSTRAINTS PURGE" );
+ }
+
+ function timestamp( $ts = 0 ) {
+ return wfTimestamp( TS_ORACLE, $ts );
}
/**
* Return aggregated value function call
*/
- function aggregateValue ($valuedata,$valuename='value') {
+ function aggregateValue ( $valuedata, $valuename = 'value' ) {
return $valuedata;
}
- function reportQueryError($error, $errno, $sql, $fname, $tempIgnore = false) {
+ function reportQueryError( $error, $errno, $sql, $fname, $tempIgnore = false ) {
# Ignore errors during error handling to avoid infinite
# recursion
- $ignore = $this->ignoreErrors(true);
+ $ignore = $this->ignoreErrors( true );
++$this->mErrorCount;
- if ($ignore || $tempIgnore) {
-echo "error ignored! query = [$sql]\n";
- wfDebug("SQL ERROR (ignored): $error\n");
+ if ( $ignore || $tempIgnore ) {
+ wfDebug( "SQL ERROR (ignored): $error\n" );
$this->ignoreErrors( $ignore );
- }
- else {
-echo "error!\n";
- $message = "A database error has occurred\n" .
- "Query: $sql\n" .
- "Function: $fname\n" .
- "Error: $errno $error\n";
- throw new DBUnexpectedError($this, $message);
+ } else {
+ throw new DBQueryError( $this, $error, $errno, $sql, $fname );
}
}
/**
* @return string wikitext of a link to the server software's web site
*/
- function getSoftwareLink() {
- return "[http://www.oracle.com/ Oracle]";
+ public static function getSoftwareLink() {
+ return '[http://www.oracle.com/ Oracle]';
}
/**
* @return string Version information from the database
*/
function getServerVersion() {
- return oci_server_version($this->mConn);
+ //better version number, fallback on driver
+ $rset = $this->doQuery( 'SELECT version FROM product_component_version WHERE UPPER(product) LIKE \'ORACLE DATABASE%\'' );
+ if ( !( $row = $rset->fetchRow() ) ) {
+ return oci_server_version( $this->mConn );
+ }
+ return $row['version'];
}
/**
* Query whether a given table exists (in the given schema, or the default mw one if not given)
*/
- function tableExists($table) {
- $etable= $this->addQuotes($table);
- $SQL = "SELECT 1 FROM user_tables WHERE table_name='$etable'";
- $res = $this->query($SQL);
- $count = $res ? oci_num_rows($res) : 0;
- if ($res)
- $this->freeResult($res);
- return $count;
+ function tableExists( $table ) {
+ $table = $this->addQuotes( trim( $this->tableName($table), '"' ) );
+ $owner = $this->addQuotes( strtoupper( $this->mDBname ) );
+ $SQL = "SELECT 1 FROM all_tables WHERE owner=$owner AND table_name=$table";
+ $res = $this->doQuery( $SQL );
+ if ( $res ) {
+ $count = $res->numRows();
+ $res->free();
+ } else {
+ $count = 0;
+ }
+ return $count!=0;
}
/**
- * Query whether a given column exists in the mediawiki schema
+ * Function translates mysql_fetch_field() functionality on ORACLE.
+ * Caching is present for reducing query time.
+ * For internal calls. Use fieldInfo for normal usage.
+ * Returns false if the field doesn't exist
+ *
+ * @param $table Array
+ * @param $field String
*/
- function fieldExists( $table, $field ) {
- return true; // XXX
+ private function fieldInfoMulti( $table, $field ) {
+ $field = strtoupper( $field );
+ if ( is_array( $table ) ) {
+ $table = array_map( array( &$this, 'tableNameInternal' ), $table );
+ $tableWhere = 'IN (';
+ foreach( $table as &$singleTable ) {
+ $singleTable = strtoupper( trim( $singleTable, '"' ) );
+ if ( isset( $this->mFieldInfoCache["$singleTable.$field"] ) ) {
+ return $this->mFieldInfoCache["$singleTable.$field"];
+ }
+ $tableWhere .= '\'' . $singleTable . '\',';
+ }
+ $tableWhere = rtrim( $tableWhere, ',' ) . ')';
+ } else {
+ $table = strtoupper( trim( $this->tableNameInternal( $table ), '"' ) );
+ if ( isset( $this->mFieldInfoCache["$table.$field"] ) ) {
+ return $this->mFieldInfoCache["$table.$field"];
+ }
+ $tableWhere = '= \''.$table.'\'';
+ }
+
+ $fieldInfoStmt = oci_parse( $this->mConn, 'SELECT * FROM wiki_field_info_full WHERE table_name '.$tableWhere.' and column_name = \''.$field.'\'' );
+ if ( oci_execute( $fieldInfoStmt, $this->execFlags() ) === false ) {
+ $e = oci_error( $fieldInfoStmt );
+ $this->reportQueryError( $e['message'], $e['code'], 'fieldInfo QUERY', __METHOD__ );
+ return false;
+ }
+ $res = new ORAResult( $this, $fieldInfoStmt );
+ if ( $res->numRows() == 0 ) {
+ if ( is_array( $table ) ) {
+ foreach( $table as &$singleTable ) {
+ $this->mFieldInfoCache["$singleTable.$field"] = false;
+ }
+ } else {
+ $this->mFieldInfoCache["$table.$field"] = false;
+ }
+ $fieldInfoTemp = null;
+ } else {
+ $fieldInfoTemp = new ORAField( $res->fetchRow() );
+ $table = $fieldInfoTemp->tableName();
+ $this->mFieldInfoCache["$table.$field"] = $fieldInfoTemp;
+ }
+ $res->free();
+ return $fieldInfoTemp;
}
function fieldInfo( $table, $field ) {
- return false; // XXX
+ if ( is_array( $table ) ) {
+ throw new DBUnexpectedError( $this, 'DatabaseOracle::fieldInfo called with table array!' );
+ }
+ return $this->fieldInfoMulti ($table, $field);
}
- function begin( $fname = '' ) {
+ function begin( $fname = 'DatabaseOracle::begin' ) {
$this->mTrxLevel = 1;
}
- function immediateCommit( $fname = '' ) {
- return true;
+
+ function commit( $fname = 'DatabaseOracle::commit' ) {
+ if ( $this->mTrxLevel ) {
+ oci_commit( $this->mConn );
+ $this->mTrxLevel = 0;
+ }
}
- function commit( $fname = '' ) {
- oci_commit($this->mConn);
- $this->mTrxLevel = 0;
+
+ function rollback( $fname = 'DatabaseOracle::rollback' ) {
+ if ( $this->mTrxLevel ) {
+ oci_rollback( $this->mConn );
+ $this->mTrxLevel = 0;
+ }
}
/* Not even sure why this is used in the main codebase... */
- function limitResultForUpdate($sql, $num) {
+ function limitResultForUpdate( $sql, $num ) {
return $sql;
}
- function strencode($s) {
- return str_replace("'", "''", $s);
+ /* defines must comply with ^define\s*([^\s=]*)\s*=\s?'\{\$([^\}]*)\}'; */
+ function sourceStream( $fp, $lineCallback = false, $resultCallback = false, $fname = 'DatabaseOracle::sourceStream' ) {
+ $cmd = '';
+ $done = false;
+ $dollarquote = false;
+
+ $replacements = array();
+
+ while ( ! feof( $fp ) ) {
+ if ( $lineCallback ) {
+ call_user_func( $lineCallback );
+ }
+ $line = trim( fgets( $fp, 1024 ) );
+ $sl = strlen( $line ) - 1;
+
+ if ( $sl < 0 ) {
+ continue;
+ }
+ if ( '-' == $line { 0 } && '-' == $line { 1 } ) {
+ continue;
+ }
+
+ // Allow dollar quoting for function declarations
+ if ( substr( $line, 0, 8 ) == '/*$mw$*/' ) {
+ if ( $dollarquote ) {
+ $dollarquote = false;
+ $line = str_replace( '/*$mw$*/', '', $line ); // remove dollarquotes
+ $done = true;
+ } else {
+ $dollarquote = true;
+ }
+ } elseif ( !$dollarquote ) {
+ if ( ';' == $line { $sl } && ( $sl < 2 || ';' != $line { $sl - 1 } ) ) {
+ $done = true;
+ $line = substr( $line, 0, $sl );
+ }
+ }
+
+ if ( $cmd != '' ) {
+ $cmd .= ' ';
+ }
+ $cmd .= "$line\n";
+
+ if ( $done ) {
+ $cmd = str_replace( ';;', ";", $cmd );
+ if ( strtolower( substr( $cmd, 0, 6 ) ) == 'define' ) {
+ if ( preg_match( '/^define\s*([^\s=]*)\s*=\s*\'\{\$([^\}]*)\}\'/', $cmd, $defines ) ) {
+ $replacements[$defines[2]] = $defines[1];
+ }
+ } else {
+ foreach ( $replacements as $mwVar => $scVar ) {
+ $cmd = str_replace( '&' . $scVar . '.', '`{$' . $mwVar . '}`', $cmd );
+ }
+
+ $cmd = $this->replaceVars( $cmd );
+ $res = $this->doQuery( $cmd );
+ if ( $resultCallback ) {
+ call_user_func( $resultCallback, $res, $this );
+ }
+
+ if ( false === $res ) {
+ $err = $this->lastError();
+ return "Query \"{$cmd}\" failed with error code \"$err\".\n";
+ }
+ }
+
+ $cmd = '';
+ $done = false;
+ }
+ }
+ return true;
}
- function encodeBlob($b) {
- return new ORABlob($b);
+ function selectDB( $db ) {
+ $this->mDBname = $db;
+ if ( $db == null || $db == $this->mUser ) {
+ return true;
+ }
+ $sql = 'ALTER SESSION SET CURRENT_SCHEMA=' . strtoupper($db);
+ $stmt = oci_parse( $this->mConn, $sql );
+ wfSuppressWarnings();
+ $success = oci_execute( $stmt );
+ wfRestoreWarnings();
+ if ( !$success ) {
+ $e = oci_error( $stmt );
+ if ( $e['code'] != '1435' ) {
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ }
+ return false;
+ }
+ return true;
}
- function decodeBlob($b) {
- return $b; //return $b->load();
+
+ function strencode( $s ) {
+ return str_replace( "'", "''", $s );
}
function addQuotes( $s ) {
- global $wgLang;
- $s = $wgLang->checkTitleEncoding($s);
- return "'" . $this->strencode($s) . "'";
+ global $wgContLang;
+ if ( isset( $wgContLang->mLoaded ) && $wgContLang->mLoaded ) {
+ $s = $wgContLang->checkTitleEncoding( $s );
+ }
+ return "'" . $this->strencode( $s ) . "'";
}
- function quote_ident( $s ) {
+ public function addIdentifierQuotes( $s ) {
+ if ( !$this->mFlags & DBO_DDLMODE ) {
+ $s = '"' . str_replace( '"', '""', $s ) . '"';
+ }
return $s;
}
- /* For now, does nothing */
- function selectDB( $db ) {
- return true;
+ private function wrapFieldForWhere( $table, &$col, &$val ) {
+ global $wgContLang;
+
+ $col_info = $this->fieldInfoMulti( $table, $col );
+ $col_type = $col_info != false ? $col_info->type() : 'CONSTANT';
+ if ( $col_type == 'CLOB' ) {
+ $col = 'TO_CHAR(' . $col . ')';
+ $val = $wgContLang->checkTitleEncoding( $val );
+ } elseif ( $col_type == 'VARCHAR2' && !mb_check_encoding( $val ) ) {
+ $val = $wgContLang->checkTitleEncoding( $val );
+ }
+ }
+
+ private function wrapConditionsForWhere ( $table, $conds, $parentCol = null ) {
+ $conds2 = array();
+ foreach ( $conds as $col => $val ) {
+ if ( is_array( $val ) ) {
+ $conds2[$col] = $this->wrapConditionsForWhere ( $table, $val, $col );
+ } else {
+ if ( is_numeric( $col ) && $parentCol != null ) {
+ $this->wrapFieldForWhere ( $table, $parentCol, $val );
+ } else {
+ $this->wrapFieldForWhere ( $table, $col, $val );
+ }
+ $conds2[$col] = $val;
+ }
+ }
+ return $conds2;
+ }
+
+ function selectRow( $table, $vars, $conds, $fname = 'DatabaseOracle::selectRow', $options = array(), $join_conds = array() ) {
+ if ( is_array($conds) ) {
+ $conds = $this->wrapConditionsForWhere( $table, $conds );
+ }
+ return parent::selectRow( $table, $vars, $conds, $fname, $options, $join_conds );
}
/**
}
}
- if ( isset( $options['GROUP BY'] ) ) $preLimitTail .= " GROUP BY {$options['GROUP BY']}";
- if ( isset( $options['ORDER BY'] ) ) $preLimitTail .= " ORDER BY {$options['ORDER BY']}";
-
- if (isset($options['LIMIT'])) {
- // $tailOpts .= $this->limitResult('', $options['LIMIT'],
- // isset($options['OFFSET']) ? $options['OFFSET']
- // : false);
+ if ( isset( $options['GROUP BY'] ) ) {
+ $preLimitTail .= " GROUP BY {$options['GROUP BY']}";
+ }
+ if ( isset( $options['ORDER BY'] ) ) {
+ $preLimitTail .= " ORDER BY {$options['ORDER BY']}";
}
- #if ( isset( $noKeyOptions['FOR UPDATE'] ) ) $tailOpts .= ' FOR UPDATE';
- #if ( isset( $noKeyOptions['LOCK IN SHARE MODE'] ) ) $tailOpts .= ' LOCK IN SHARE MODE';
- if ( isset( $noKeyOptions['DISTINCT'] ) || isset( $noKeyOptions['DISTINCTROW'] ) ) $startOpts .= 'DISTINCT';
+ # if ( isset( $noKeyOptions['FOR UPDATE'] ) ) $tailOpts .= ' FOR UPDATE';
+ # if ( isset( $noKeyOptions['LOCK IN SHARE MODE'] ) ) $tailOpts .= ' LOCK IN SHARE MODE';
+ if ( isset( $noKeyOptions['DISTINCT'] ) || isset( $noKeyOptions['DISTINCTROW'] ) ) {
+ $startOpts .= 'DISTINCT';
+ }
if ( isset( $options['USE INDEX'] ) && ! is_array( $options['USE INDEX'] ) ) {
$useIndex = $this->useIndexClause( $options['USE INDEX'] );
return array( $startOpts, $useIndex, $preLimitTail, $postLimitTail );
}
- public function setTimeout( $timeout ) {
- // @todo fixme no-op
+ public function delete( $table, $conds, $fname = 'DatabaseOracle::delete' ) {
+ if ( is_array($conds) ) {
+ $conds = $this->wrapConditionsForWhere( $table, $conds );
+ }
+ return parent::delete( $table, $conds, $fname );
}
- function ping() {
- wfDebug( "Function ping() not written for DatabaseOracle.php yet");
- return true;
+ function update( $table, $values, $conds, $fname = 'DatabaseOracle::update', $options = array() ) {
+ global $wgContLang;
+
+ $table = $this->tableName( $table );
+ $opts = $this->makeUpdateOptions( $options );
+ $sql = "UPDATE $opts $table SET ";
+
+ $first = true;
+ foreach ( $values as $col => &$val ) {
+ $sqlSet = $this->fieldBindStatement( $table, $col, $val, true );
+
+ if ( !$first ) {
+ $sqlSet = ', ' . $sqlSet;
+ } else {
+ $first = false;
+ }
+ $sql .= $sqlSet;
+ }
+
+ if ( $conds != '*' ) {
+ $conds = $this->wrapConditionsForWhere( $table, $conds );
+ $sql .= ' WHERE ' . $this->makeList( $conds, LIST_AND );
+ }
+
+ if ( ( $this->mLastResult = $stmt = oci_parse( $this->mConn, $sql ) ) === false ) {
+ $e = oci_error( $this->mConn );
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
+ }
+ foreach ( $values as $col => &$val ) {
+ $col_info = $this->fieldInfoMulti( $table, $col );
+ $col_type = $col_info != false ? $col_info->type() : 'CONSTANT';
+
+ if ( $val === null ) {
+ // do nothing ... null was inserted in statement creation
+ } elseif ( $col_type != 'BLOB' && $col_type != 'CLOB' ) {
+ if ( is_object( $val ) ) {
+ $val = $val->getData();
+ }
+
+ if ( preg_match( '/^timestamp.*/i', $col_type ) == 1 && strtolower( $val ) == 'infinity' ) {
+ $val = '31-12-2030 12:00:00.000000';
+ }
+
+ $val = ( $wgContLang != null ) ? $wgContLang->checkTitleEncoding( $val ) : $val;
+ if ( oci_bind_by_name( $stmt, ":$col", $val ) === false ) {
+ $e = oci_error( $stmt );
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
+ }
+ } else {
+ if ( ( $lob[$col] = oci_new_descriptor( $this->mConn, OCI_D_LOB ) ) === false ) {
+ $e = oci_error( $stmt );
+ throw new DBUnexpectedError( $this, "Cannot create LOB descriptor: " . $e['message'] );
+ }
+
+ if ( $col_type == 'BLOB' ) {
+ $lob[$col]->writeTemporary( $val );
+ oci_bind_by_name( $stmt, ":$col", $lob[$col], - 1, SQLT_BLOB );
+ } else {
+ $lob[$col]->writeTemporary( $val );
+ oci_bind_by_name( $stmt, ":$col", $lob[$col], - 1, OCI_B_CLOB );
+ }
+ }
+ }
+
+ wfSuppressWarnings();
+
+ if ( oci_execute( $stmt, $this->execFlags() ) === false ) {
+ $e = oci_error( $stmt );
+ if ( !$this->ignore_DUP_VAL_ON_INDEX || $e['code'] != '1' ) {
+ $this->reportQueryError( $e['message'], $e['code'], $sql, __METHOD__ );
+ return false;
+ } else {
+ $this->mAffectedRows = oci_num_rows( $stmt );
+ }
+ } else {
+ $this->mAffectedRows = oci_num_rows( $stmt );
+ }
+
+ wfRestoreWarnings();
+
+ if ( isset( $lob ) ) {
+ foreach ( $lob as $lob_v ) {
+ $lob_v->free();
+ }
+ }
+
+ if ( !$this->mTrxLevel ) {
+ oci_commit( $this->mConn );
+ }
+
+ oci_free_statement( $stmt );
}
- /**
- * How lagged is this slave?
- *
- * @return int
- */
- public function getLag() {
- # Not implemented for Oracle
- return 0;
+ function bitNot( $field ) {
+ // expecting bit-fields smaller than 4bytes
+ return 'BITNOT(' . $field . ')';
+ }
+
+ function bitAnd( $fieldLeft, $fieldRight ) {
+ return 'BITAND(' . $fieldLeft . ', ' . $fieldRight . ')';
+ }
+
+ function bitOr( $fieldLeft, $fieldRight ) {
+ return 'BITOR(' . $fieldLeft . ', ' . $fieldRight . ')';
}
- function setFakeSlaveLag( $lag ) {}
- function setFakeMaster( $enabled = true ) {}
+ function setFakeMaster( $enabled = true ) { }
function getDBname() {
return $this->mDBname;
function getServer() {
return $this->mServer;
}
-
- /**
- * No-op lock functions
- */
- public function lock( $lockName, $method ) {
- return true;
- }
- public function unlock( $lockName, $method ) {
- return true;
- }
-
+
public function getSearchEngine() {
- return "SearchOracle";
+ return 'SearchOracle';
}
-
} // end DatabaseOracle class
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