private $cursor;
private $stmt;
private $nrows;
- private $db;
- function __construct(&$db, $stmt) {
+ private $unique;
+
+ function __construct(&$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'], $e['code'], '', __FUNCTION__);
return;
}
+ if ($unique) {
+ $this->rows = array_unique($this->rows);
+ $this->nrows = count($this->rows);
+ }
+
$this->cursor = 0;
$this->stmt = $stmt;
}
- function free() {
+ public function free() {
oci_free_statement($this->stmt);
}
- function seek($row) {
+ public function seek($row) {
$this->cursor = min($row, $this->nrows);
}
- function numRows() {
+ public function numRows() {
return $this->nrows;
}
- function numFields() {
+ public function numFields() {
return oci_num_fields($this->stmt);
}
- function fetchObject() {
+ public function fetchObject() {
if ($this->cursor >= $this->nrows)
return false;
-
$row = $this->rows[$this->cursor++];
$ret = new stdClass();
foreach ($row as $k => $v) {
return $ret;
}
- function fetchAssoc() {
+ public function fetchRow() {
if ($this->cursor >= $this->nrows)
return false;
}
}
+/**
+ * Utility class.
+ * @ingroup Database
+ */
+class ORAField {
+ 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 nullable() {
+ 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 Database {
+class DatabaseOracle extends DatabaseBase {
var $mInsertId = NULL;
var $mLastResult = NULL;
var $numeric_version = NULL;
var $cursor = 0;
var $mAffectedRows;
+ var $ignore_DUP_VAL_ON_INDEX = false;
+
function DatabaseOracle($server = false, $user = false, $password = false, $dbName = false,
- $failFunction = false, $flags = 0 )
+ $failFunction = false, $flags = 0, $tablePrefix = 'get from global' )
{
-
- global $wgOut;
- # Can't get a reference if it hasn't been set yet
- if ( !isset( $wgOut ) ) {
- $wgOut = NULL;
- }
- $this->mOut =& $wgOut;
- $this->mFailFunction = $failFunction;
- $this->mFlags = $flags;
- $this->open( $server, $user, $password, $dbName);
-
+ $tablePrefix = $tablePrefix == 'get from global' ? $tablePrefix : strtoupper($tablePrefix);
+ parent::__construct($server, $user, $password, $dbName, $failFunction, $flags, $tablePrefix);
+ wfRunHooks( 'DatabaseOraclePostInit', array(&$this));
}
function cascadingDeletes() {
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->mDBname = $dbName;
if (!strlen($user)) { ## e.g. the class is being loaded
- return;
+ return;
}
- error_reporting( E_ALL );
- $this->mConn = oci_connect($user, $password, $dbName);
+ //error_reporting( E_ALL ); //whoever had this bright idea
+ $session_mode = $this->mFlags & DBO_SYSDBA ? OCI_SYSDBA : OCI_DEFAULT;
+ if ( $this->mFlags & DBO_DEFAULT )
+ $this->mConn = oci_new_connect($user, $password, $dbName, null, $session_mode);
+ else
+ $this->mConn = oci_connect($user, $password, $dbName, null, $session_mode);
if ($this->mConn == false) {
wfDebug("DB connection error\n");
}
$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\'');
+
return $this->mConn;
}
throw new MWException("SQL encoding is invalid");
}
+ //handle some oracle specifics
+ //remove AS column/table/subquery namings
+ $sql = preg_replace('/ as /i', ' ', $sql);
+ // 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, $explain_count);
+
+
if (($this->mLastResult = $stmt = oci_parse($this->mConn, $sql)) === false) {
$e = oci_error($this->mConn);
$this->reportQueryError($e['message'], $e['code'], $sql, __FUNCTION__);
}
+ $olderr = error_reporting(E_ERROR);
if (oci_execute($stmt, $this->execFlags()) == false) {
$e = oci_error($stmt);
- $this->reportQueryError($e['message'], $e['code'], $sql, __FUNCTION__);
+ if (!$this->ignore_DUP_VAL_ON_INDEX || $e['code'] != '1')
+ $this->reportQueryError($e['message'], $e['code'], $sql, __FUNCTION__);
}
- if (oci_statement_type($stmt) == "SELECT")
- return new ORAResult($this, $stmt);
- else {
+ error_reporting($olderr);
+
+ 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 freeResult($res) {
- $res->free();
+ if ( $res instanceof ORAResult ) {
+ $res->free();
+ } else {
+ $res->result->free();
+ }
}
function fetchObject($res) {
- return $res->fetchObject();
+ if ( $res instanceof ORAResult ) {
+ return $res->numRows();
+ } else {
+ return $res->result->fetchObject();
+ }
}
function fetchRow($res) {
- return $res->fetchAssoc();
+ if ( $res instanceof ORAResult ) {
+ return $res->fetchRow();
+ } else {
+ return $res->result->fetchRow();
+ }
}
function numRows($res) {
- return $res->numRows();
+ if ( $res instanceof ORAResult ) {
+ return $res->numRows();
+ } else {
+ return $res->result->numRows();
+ }
}
function numFields($res) {
- return $res->numFields();
+ if ( $res instanceof ORAResult ) {
+ return $res->numFields();
+ } else {
+ return $res->result->numFields();
+ }
}
function fieldName($stmt, $n) {
- return pg_field_name($stmt, $n);
+ return oci_field_name($stmt, $n);
}
/**
}
function dataSeek($res, $row) {
- $res->seek($row);
+ if ( $res instanceof ORAResult ) {
+ $res->seek($row);
+ } else {
+ $res->result->seek($row);
+ }
}
function lastError() {
* 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() ) {
+ function insert( $table, $a, $fname = 'DatabaseOracle::insert', $options = array() ) {
+ if ( !count( $a ) )
+ return true;
+
if (!is_array($options))
$options = array($options);
- #if (in_array('IGNORE', $options))
- # $oldIgnore = $this->ignoreErrors(true);
+ if (in_array('IGNORE', $options))
+ $this->ignore_DUP_VAL_ON_INDEX = true;
- # IGNORE is performed using single-row inserts, ignoring errors in each
- # FIXME: need some way to distiguish between key collision and other types of error
- //$oldIgnore = $this->ignoreErrors(true);
if (!is_array(reset($a))) {
$a = array($a);
}
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) {
+ global $wgLang;
+
// "INSERT INTO tables (a, b, c)"
$sql = "INSERT INTO " . $this->tableName($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";
+ $sql .= ':'.$col;
else
- $sql.= ", $what";
+ $sql.= ', :'.$col;
+
$first = false;
}
- $sql .= ") $returning";
+ $sql .= ')';
$stmt = oci_parse($this->mConn, $sql);
foreach ($row as $col => $val) {
$this->reportQueryError($this->lastErrno(), $this->lastError(), $sql, __METHOD__);
}
}
-
- if (($bval = oci_new_descriptor($this->mConn, OCI_D_LOB)) === false) {
- $e = oci_error($stmt);
- throw new DBUnexpectedError($this, "Cannot create LOB descriptor: " . $e['message']);
+
+ $stmt = oci_parse($this->mConn, $sql);
+ foreach ($row as $col => $val) {
+ $col_type=$this->fieldInfo($this->tableName($table), $col)->type();
+ if ($col_type != 'BLOB' && $col_type != 'CLOB') {
+ if (is_object($val))
+ $val = $val->getData();
+
+ if (preg_match('/^timestamp.*/i', $col_type) == 1 && strtolower($val) == 'infinity')
+ $val = '31-12-2030 12:00:00.000000';
+
+ if (oci_bind_by_name($stmt, ":$col", $wgLang->checkTitleEncoding($val)) === false)
+ $this->reportQueryError($this->lastErrno(), $this->lastError(), $sql, __METHOD__);
+ } else {
+ if (($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)) {
+ $lob[$col]->writeTemporary($val->getData());
+ oci_bind_by_name($stmt, ":$col", $lob[$col], -1, SQLT_BLOB);
+ } else {
+ $lob[$col]->writeTemporary($val);
+ oci_bind_by_name($stmt, ":$col", $lob[$col], -1, OCI_B_CLOB);
+ }
+ }
}
-
- if (strlen($returning))
- oci_bind_by_name($stmt, ":bval", $bval, -1, SQLT_BLOB);
-
+
+ $olderr = error_reporting(E_ERROR);
if (oci_execute($stmt, OCI_DEFAULT) === false) {
$e = oci_error($stmt);
- $this->reportQueryError($e['message'], $e['code'], $sql, __METHOD__);
- }
- if (strlen($returning)) {
- $bval->save($row[$blobcol]->getData());
- $bval->free();
+
+ if (!$this->ignore_DUP_VAL_ON_INDEX || $e['code'] != '1')
+ $this->reportQueryError($e['message'], $e['code'], $sql, __METHOD__);
+ else
+ $this->mAffectedRows = oci_num_rows($stmt);
+ } else
+ $this->mAffectedRows = oci_num_rows($stmt);
+ error_reporting($olderr);
+
+ if (isset($lob)){
+ foreach ($lob as $lob_i => $lob_v) {
+ $lob_v->free();
+ }
}
+
if (!$this->mTrxLevel)
oci_commit($this->mConn);
-
+
oci_free_statement($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 );
+ }
+ $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
+ Useing 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);
}
/**
return $this->mInsertId;
}
- /**
- * Oracle does not have a "USE INDEX" clause, so return an empty string
- */
- function useIndexClause($index) {
- return '';
- }
-
# REPLACE query wrapper
# Oracle simulates this with a DELETE followed by INSERT
# $row is the row to insert, an associative array
# 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' ) {
+ function replace( $table, $uniqueIndexes, $rows, $fname = 'DatabaseOracle::replace' ) {
$table = $this->tableName($table);
if (count($rows)==0) {
}
# 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 );
return $size;
}
- function lowPriorityOption() {
- return '';
- }
-
function limitResult($sql, $limit, $offset) {
if ($offset === false)
$offset = 0;
- return "SELECT * FROM ($sql) WHERE rownum >= (1 + $offset) AND rownum < 1 + $limit + $offset";
+ return "SELECT * FROM ($sql) WHERE rownum >= (1 + $offset) AND rownum < (1 + $limit + $offset)";
}
- /**
- * Returns an SQL expression for a simple conditional.
- * Uses CASE on Oracle
- *
- * @param string $cond SQL expression which will result in a boolean value
- * @param string $trueVal SQL expression to return if true
- * @param string $falseVal 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 = false) {
+ $glue = ' UNION ALL ';
+ return 'SELECT * '.($all?'':'/* UNION_UNIQUE */ ').'FROM ('.implode( $glue, $sqls ).')' ;
}
function wasDeadlock() {
++$this->mErrorCount;
if ($ignore || $tempIgnore) {
-echo "error ignored! query = [$sql]\n";
+//echo "error ignored! query = [$sql]\n";
wfDebug("SQL ERROR (ignored): $error\n");
$this->ignoreErrors( $ignore );
}
else {
-echo "error!\n";
+//echo "error!\n";
$message = "A database error has occurred\n" .
"Query: $sql\n" .
"Function: $fname\n" .
* Query whether a given table exists (in the given schema, or the default mw one if not given)
*/
function tableExists($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);
+ $SQL = "SELECT 1 FROM user_tables WHERE table_name='$table'";
+ $res = $this->doQuery($SQL);
+ if ($res) {
+ $count = $res->numRows();
+ $res->free();
+ } else {
+ $count = 0;
+ }
return $count;
}
/**
* Query whether a given column exists in the mediawiki schema
+ * based on prebuilt table to simulate MySQL field info and keep query speed minimal
*/
function fieldExists( $table, $field ) {
- return true; // XXX
+ if (!isset($this->fieldInfo_stmt))
+ $this->fieldInfo_stmt = oci_parse($this->mConn, 'SELECT * FROM wiki_field_info_full WHERE table_name = upper(:tab) and column_name = UPPER(:col)');
+
+ oci_bind_by_name($this->fieldInfo_stmt, ':tab', trim($table, '"'));
+ oci_bind_by_name($this->fieldInfo_stmt, ':col', $field);
+
+ if (oci_execute($this->fieldInfo_stmt, OCI_DEFAULT) === false) {
+ $e = oci_error($this->fieldInfo_stmt);
+ $this->reportQueryError($e['message'], $e['code'], 'fieldInfo QUERY', __METHOD__);
+ return false;
+ }
+ $res = new ORAResult($this,$this->fieldInfo_stmt);
+ return $res->numRows() != 0;
}
function fieldInfo( $table, $field ) {
- return false; // XXX
+ if (!isset($this->fieldInfo_stmt))
+ $this->fieldInfo_stmt = oci_parse($this->mConn, 'SELECT * FROM wiki_field_info_full WHERE table_name = upper(:tab) and column_name = UPPER(:col)');
+
+ oci_bind_by_name($this->fieldInfo_stmt, ':tab', trim($table, '"'));
+ oci_bind_by_name($this->fieldInfo_stmt, ':col', $field);
+
+ if (oci_execute($this->fieldInfo_stmt, OCI_DEFAULT) === false) {
+ $e = oci_error($this->fieldInfo_stmt);
+ $this->reportQueryError($e['message'], $e['code'], 'fieldInfo QUERY', __METHOD__);
+ return false;
+ }
+ $res = new ORAResult($this,$this->fieldInfo_stmt);
+ return new ORAField($res->fetchRow());
}
function begin( $fname = '' ) {
return $sql;
}
+ /* defines must comply with ^define\s*([^\s=]*)\s*=\s?'\{\$([^\}]*)\}'; */
+ function sourceStream( $fp, $lineCallback = false, $resultCallback = false ) {
+ $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;
+ $done = true;
+ }
+ else {
+ $dollarquote = true;
+ }
+ }
+ else if (!$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->query( $cmd, __METHOD__ );
+ 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 setup_database() {
+ global $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgDBport, $wgDBuser;
+
+ echo "<li>Creating DB objects</li>\n";
+ $res = dbsource( "../maintenance/ora/tables.sql", $this);
+
+ // Avoid the non-standard "REPLACE INTO" syntax
+ echo "<li>Populating table interwiki</li>\n";
+ $f = fopen( "../maintenance/interwiki.sql", 'r' );
+ if ($f == false ) {
+ dieout( "<li>Could not find the interwiki.sql file</li>");
+ }
+
+ //do it like the postgres :D
+ $SQL = "INSERT INTO interwiki(iw_prefix,iw_url,iw_local) VALUES ";
+ while ( ! feof( $f ) ) {
+ $line = fgets($f,1024);
+ $matches = array();
+ if (!preg_match('/^\s*(\(.+?),(\d)\)/', $line, $matches)) {
+ continue;
+ }
+ $this->query("$SQL $matches[1],$matches[2])");
+ }
+
+ echo "<li>Table interwiki successfully populated</li>\n";
+ }
+
function strencode($s) {
return str_replace("'", "''", $s);
}
}
function addQuotes( $s ) {
- global $wgLang;
- $s = $wgLang->checkTitleEncoding($s);
+ global $wgLang;
+ if (isset($wgLang->mLoaded) && $wgLang->mLoaded)
+ $s = $wgLang->checkTitleEncoding($s);
return "'" . $this->strencode($s) . "'";
}
return $s;
}
- /* For now, does nothing */
- function selectDB( $db ) {
- return true;
+ function selectRow( $table, $vars, $conds, $fname = 'DatabaseOracle::selectRow', $options = array(), $join_conds = array() ) {
+ if (is_array($table))
+ foreach ($table as $tab)
+ $tab = $this->tableName($tab);
+ else
+ $table = $this->tableName($table);
+ return parent::selectRow($table, $vars, $conds, $fname, $options, $join_conds);
}
/**
*
* @private
*
- * @param array $options an associative array of options to be turned into
+ * @param $options Array: an associative array of options to be turned into
* an SQL query, valid keys are listed in the function.
* @return array
*/
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( $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';
return array( $startOpts, $useIndex, $preLimitTail, $postLimitTail );
}
- public function setTimeout( $timeout ) {
- // @todo fixme no-op
+ /* redundand ... will remove after confirming bitwise operations functionality
+ public function makeList( $a, $mode = LIST_COMMA ) {
+ if ( !is_array( $a ) ) {
+ throw new DBUnexpectedError( $this, 'DatabaseOracle::makeList called with incorrect parameters' );
+ }
+ $a2 = array();
+ foreach ($a as $key => $value) {
+ if (strpos($key, ' & ') !== FALSE)
+ $a2[preg_replace('/(.*)\s&\s(.*)/', 'BITAND($1, $2)', $key)] = $value;
+ elseif (strpos($key, ' | ') !== FALSE)
+ $a2[preg_replace('/(.*)\s|\s(.*)/', 'BITOR($1, $2)', $key)] = $value;
+ elseif (!is_array($value)) {
+ if (strpos($value, ' = ') !== FALSE) {
+ if (strpos($value, ' & ') !== FALSE)
+ $a2[$key] = preg_replace('/(.*)\s&\s(.*?)\s=\s(.*)/', 'BITAND($1, $2) = $3', $value);
+ elseif (strpos($value, ' | ') !== FALSE)
+ $a2[$key] = preg_replace('/(.*)\s|\s(.*?)\s=\s(.*)/', 'BITOR($1, $2) = $3', $value);
+ else $a2[$key] = $value;
+ }
+ elseif (strpos($value, ' & ') !== FALSE)
+ $a2[$key] = preg_replace('/(.*)\s&\s(.*)/', 'BITAND($1, $2)', $value);
+ elseif (strpos($value, ' | ') !== FALSE)
+ $a2[$key] = preg_replace('/(.*)\s|\s(.*)/', 'BITOR($1, $2)', $value);
+ else
+ $a2[$key] = $value;
+ }
+ else
+ $a2[$key] = $value;
+ }
+
+ return parent::makeList($a2, $mode);
}
+ */
- function ping() {
- wfDebug( "Function ping() not written for DatabaseOracle.php yet");
- return true;
+ function bitNot($field) {
+ //expecting bit-fields smaller than 4bytes
+ return 'BITNOT('.$bitField.')';
+ }
+
+ function bitAnd($fieldLeft, $fieldRight) {
+ return 'BITAND('.$fieldLeft.', '.$fieldRight.')';
+ }
+
+ function bitOr($fieldLeft, $fieldRight) {
+ return 'BITOR('.$fieldLeft.', '.$fieldRight.')';
}
/**
return 0;
}
- function setFakeSlaveLag() {}
- function setFakeMaster() {}
+ function setFakeSlaveLag( $lag ) {}
+ function setFakeMaster( $enabled = true ) {}
function getDBname() {
return $this->mDBname;
return $this->mServer;
}
+ public function replaceVars( $ins ) {
+ $varnames = array('wgDBprefix');
+ if ($this->mFlags & DBO_SYSDBA) {
+ $varnames[] = 'wgDBOracleDefTS';
+ $varnames[] = 'wgDBOracleTempTS';
+ }
+
+ // Ordinary variables
+ foreach ( $varnames as $var ) {
+ if( isset( $GLOBALS[$var] ) ) {
+ $val = addslashes( $GLOBALS[$var] ); // FIXME: safety check?
+ $ins = str_replace( '{$' . $var . '}', $val, $ins );
+ $ins = str_replace( '/*$' . $var . '*/`', '`' . $val, $ins );
+ $ins = str_replace( '/*$' . $var . '*/', $val, $ins );
+ }
+ }
+
+ return parent::replaceVars($ins);
+ }
+
/**
* No-op lock functions
*/
public function unlock( $lockName, $method ) {
return true;
}
-
+
+ public function getSearchEngine() {
+ return "SearchOracle";
+ }
} // end DatabaseOracle class