--- /dev/null
+<?
+include_once( "FulltextStoplist.php" );
+include_once( "CacheManager.php" );
+
+define( "DB_READ", -1 );
+define( "DB_WRITE", -2 );
+define( "DB_LAST", -3 );
+
+class Database {
+
+#------------------------------------------------------------------------------
+# Variables
+#------------------------------------------------------------------------------
+ /* private */ var $mLastQuery = "";
+ /* private */ var $mBufferResults = true;
+ /* private */ var $mIgnoreErrors = false;
+
+ /* private */ var $mServer, $mUser, $mPassword, $mConn, $mDBname;
+ /* private */ var $mOut, $mDebug;
+
+ /* private */ var $mFailFunction;
+
+#------------------------------------------------------------------------------
+# Accessors
+#------------------------------------------------------------------------------
+ # Set functions
+ # These set a variable and return the previous state
+
+ # Fail function, takes a Database as a parameter
+ # Set to false for default, 1 for ignore errors
+ function setFailFunction( $function ) { return wfSetVar( $this->mFailFunction, $function ); }
+
+ # Output page, used for reporting errors
+ # FALSE means discard output
+ function &setOutputPage( &$out ) { return wfSetRef( $this->mOut, $out ); }
+
+ # Boolean, controls output of large amounts of debug information
+ function setDebug( $debug ) { return wfSetVar( $this->mDebug, $debug ); }
+
+ # Turns buffering of SQL result sets on (true) or off (false). Default is
+ # "on" and it should not be changed without good reasons.
+ function setBufferResults( $buffer ) { return wfSetVar( $this->mBufferResults, $buffer ); }
+
+ # Turns on (false) or off (true) the automatic generation and sending
+ # of a "we're sorry, but there has been a database error" page on
+ # database errors. Default is on (false). When turned off, the
+ # code should use wfLastErrno() and wfLastError() to handle the
+ # situation as appropriate.
+ function setIgnoreErrors( $ignoreErrors ) { return wfSetVar( $this->mIgnoreErrors, $ignoreErrors ); }
+
+ # Get functions
+
+ function lastQuery() { return $this->mLastQuery; }
+
+#------------------------------------------------------------------------------
+# Other functions
+#------------------------------------------------------------------------------
+
+ function Database()
+ {
+ global $wgOut;
+ $this->mOut = $wgOut;
+
+ }
+
+ /* static */ function newFromParams( $server, $user, $password, $dbName,
+ $failFunction = false, $debug = false, $bufferResults = true, $ignoreErrors = false )
+ {
+ $db = new Database;
+ $db->mFailFunction = $failFunction;
+ $db->mIgnoreErrors = $ignoreErrors;
+ $db->mDebug = $debug;
+ $db->open( $server, $user, $password, $dbName );
+ return $db;
+ }
+
+ # Usually aborts on failure
+ # If the failFunction is set to a non-zero integer, returns success
+ function open( $server, $user, $password, $dbName )
+ {
+ global $wgEmergencyContact;
+
+ $this->close();
+ $this->mServer = $server;
+ $this->mUser = $user;
+ $this->mPassword = $password;
+ $this->mDbName = $dbName;
+
+ $success = false;
+
+ @$this->mConn = mysql_connect( $server, $user, $password );
+ if ( $this->mConn !== false ) {
+ $success = @mysql_select_db( $dbName, $this->mConn );
+ if ( !$success ) {
+ wfDebug( "Error selecting database \"$dbName\": " . $this->lastError() . "\n" );
+ }
+ } else {
+ wfDebug( "DB connect error: " . $this->lastError() . "\n" );
+ wfDebug( "Server: $server, User: $user, Password: " .
+ substr( $password, 0, 3 ) . "...\n" );
+ $success = false;
+ }
+
+ if ( !$success ) {
+ $this->reportConnectionError();
+ $this->close();
+ }
+ return $success;
+ }
+
+ # Closes a database connection, if it is open
+ # Returns success, true if already closed
+ function close()
+ {
+ if ( $this->mConn ) {
+ return mysql_close( $this->mConn );
+ } else {
+ return true;
+ }
+ }
+
+ /* private */ function reportConnectionError( $msg = "")
+ {
+ if ( $this->mFailFunction ) {
+ if ( !is_int( $this->mFailFunction ) ) {
+ $this->$mFailFunction( $this );
+ }
+ } else {
+ wfEmergencyAbort( $this );
+ }
+ }
+
+ # Usually aborts on failure
+ # If errors are explicitly ignored, returns success
+ function query( $sql, $db, $fname = "" )
+ {
+ global $wgProfiling;
+
+ if ( $wgProfiling ) {
+ # generalizeSQL will probably cut down the query to reasonable
+ # logging size most of the time. The substr is really just a sanity check.
+ $profName = "query: " . substr( Database::generalizeSQL( $sql ), 0, 255 );
+ wfProfileIn( $profName );
+ }
+
+ $this->mLastQuery = $sql;
+
+ if ( $this->mDebug ) {
+ $sqlx = substr( $sql, 0, 500 );
+ $sqlx = wordwrap(strtr($sqlx,"\t\n"," "));
+ wfDebug( "SQL: $sqlx\n" );
+ }
+ if( $this->mBufferResults ) {
+ $ret = mysql_query( $sql, $this->mConn );
+ } else {
+ $ret = mysql_unbuffered_query( $sql, $this->mConn );
+ }
+
+ if ( false === $ret ) {
+ if( $this->mIgnoreErrors ) {
+ wfDebug("SQL ERROR (ignored): " . mysql_error( $this->mConn ) . "\n");
+ } else {
+ wfDebug("SQL ERROR: " . mysql_error( $this->mConn ) . "\n");
+ if ( $this->mOut ) {
+ $this->mOut->databaseError( $fname ); // calls wfAbruptExit()
+ }
+ }
+ }
+
+ if ( $wgProfiling ) {
+ wfProfileOut( $profName );
+ }
+ return $ret;
+ }
+
+ function freeResult( $res ) { mysql_free_result( $res ); }
+ function fetchObject( $res ) { return mysql_fetch_object( $res ); }
+ function numRows( $res ) { return mysql_num_rows( $res ); }
+ function numFields( $res ) { return mysql_num_fields( $res ); }
+ function fieldName( $res, $n ) { return mysql_field_name( $res, $n ); }
+ function insertId() { return mysql_insert_id( $this->mConn ); }
+ function dataSeek( $res, $row ) { return mysql_data_seek( $res, $row ); }
+ function lastErrno() { return mysql_errno( $this->mConn ); }
+ function lastError() { return mysql_error( $this->mConn ); }
+ function affectedRows() { return mysql_affected_rows( $this->mConn ); }
+
+ # Simple UPDATE wrapper
+ # Usually aborts on failure
+ # If errors are explicitly ignored, returns success
+ function set( $table, $var, $value, $cond, $fname = "Database::set" )
+ {
+ $sql = "UPDATE $table SET $var = '" .
+ wfStrencode( $value ) . "' WHERE ($cond)";
+ return !!$this->query( $sql, DB_WRITE, $fname );
+ }
+
+ # Simple SELECT wrapper
+ # Usually aborts on failure
+ # If errors are explicitly ignored, returns FALSE on failure
+ function get( $table, $var, $cond, $fname = "Database::get" )
+ {
+ $sql = "SELECT $var FROM $table WHERE ($cond)";
+ $result = $this->query( $sql, DB_READ, $fname );
+
+ $ret = "";
+ if ( mysql_num_rows( $result ) > 0 ) {
+ $s = mysql_fetch_object( $result );
+ $ret = $s->$var;
+ mysql_free_result( $result );
+ }
+ return $ret;
+ }
+
+ # Removes most variables from an SQL query and replaces them with X or N for numbers.
+ # It's only slightly flawed. Don't use for anything important.
+ /* static */ function generalizeSQL( $sql )
+ {
+ # This does the same as the regexp below would do, but in such a way
+ # as to avoid crashing php on some large strings.
+ # $sql = preg_replace ( "/'([^\\\\']|\\\\.)*'|\"([^\\\\\"]|\\\\.)*\"/", "'X'", $sql);
+
+ $sql = str_replace ( "\\\\", "", $sql);
+ $sql = str_replace ( "\\'", "", $sql);
+ $sql = str_replace ( "\\\"", "", $sql);
+ $sql = preg_replace ("/'.*'/s", "'X'", $sql);
+ $sql = preg_replace ('/".*"/s', "'X'", $sql);
+
+ # All newlines, tabs, etc replaced by single space
+ $sql = preg_replace ( "/\s+/", " ", $sql);
+
+ # All numbers => N
+ $sql = preg_replace ('/-?[0-9]+/s', "N", $sql);
+
+ return $sql;
+ }
+
+ # Determines whether a field exists in a table
+ # Usually aborts on failure
+ # If errors are explicitly ignored, returns NULL on failure
+ function fieldExists( $table, $field, $fname = "Database::fieldExists" )
+ {
+ $res = $this->query( "DESCRIBE $table", DB_READ, $fname );
+ if ( !$res ) {
+ return NULL;
+ }
+
+ $found = false;
+
+ while ( $row = $this->fetchObject( $res ) ) {
+ if ( $row->Field == $field ) {
+ $found = true;
+ break;
+ }
+ }
+ return $found;
+ }
+
+ # Determines whether an index exists
+ # Usually aborts on failure
+ # If errors are explicitly ignored, returns NULL on failure
+ function indexExists( $table, $index, $fname = "Database::indexExists" )
+ {
+ $sql = "SHOW INDEXES FROM $table";
+ $res = $this->query( $sql, DB_READ, $fname );
+ if ( !$res ) {
+ return NULL;
+ }
+
+ $found = false;
+
+ while ( $row = $this->fetchObject( $res ) ) {
+ if ( $row->Key_name == $index ) {
+ $found = true;
+ break;
+ }
+ }
+ return $found;
+ }
+
+ # INSERT wrapper, inserts an array into a table
+ # Keys are field names, values are values
+ # Usually aborts on failure
+ # If errors are explicitly ignored, returns success
+ function insertArray( $table, $a, $fname = "Database::insertArray" )
+ {
+ $sql1 = "INSERT INTO $table (";
+ $sql2 = "VALUES (";
+ $first = true;
+ foreach ( $a as $field => $value ) {
+ if ( $first ) {
+ $sql1 .= ",";
+ $sql2 .= ",";
+ $first = false;
+ }
+ $sql1 .= $field;
+ if ( is_string( $value ) ) {
+ $sql2 .= "'" . wfStrencode( $value ) . "'";
+ } else {
+ $sql2 .= $value;
+ }
+ }
+ $sql = "$sql1) $sql2)";
+ return !!$this->query( $sql, DB_WRITE, $fname );
+ }
+}
+
+#------------------------------------------------------------------------------
+# Global functions
+#------------------------------------------------------------------------------
+
+/* Standard fail function, called by default when a connection cannot be established
+ Displays the file cache if possible */
+function wfEmergencyAbort( &$conn ) {
+ global $wgTitle, $wgUseFileCache, $title, $wgInputEncoding, $wgOutputEncoding;
+
+ header( "Content-type: text/html; charset=$wgOutputEncoding" );
+ if($msg == "") $msg = wfMsgNoDB( "noconnect" );
+ $text = $msg;
+
+ if($wgUseFileCache) {
+ if($wgTitle) {
+ $t =& $wgTitle;
+ } else {
+ if($title) {
+ $t = Title::newFromURL( $title );
+ } elseif ($_REQUEST['search']) {
+ $search = $_REQUEST['search'];
+ echo wfMsgNoDB( "searchdisabled", htmlspecialchars( $search ), $wgInputEncoding );
+ wfAbruptExit();
+ } else {
+ $t = Title::newFromText( wfMsgNoDB( "mainpage" ) );
+ }
+ }
+
+ $cache = new CacheManager( $t );
+ if( $cache->isFileCached() ) {
+ $msg = "<p style='color: red'><b>$msg<br>\n" .
+ wfMsgNoDB( "cachederror" ) . "</b></p>\n";
+
+ $tag = "<div id='article'>";
+ $text = str_replace(
+ $tag,
+ $tag . $msg,
+ $cache->fetchPageText() );
+ }
+ }
+
+ /* Don't cache error pages! They cause no end of trouble... */
+ header( "Cache-control: none" );
+ header( "Pragma: nocache" );
+ echo $text;
+ wfAbruptExit();
+}
+
+function wfStrencode( $s )
+{
+ return addslashes( $s );
+}
+
+# Ideally we'd be using actual time fields in the db
+function wfTimestamp2Unix( $ts ) {
+ return gmmktime( ( (int)substr( $ts, 8, 2) ),
+ (int)substr( $ts, 10, 2 ), (int)substr( $ts, 12, 2 ),
+ (int)substr( $ts, 4, 2 ), (int)substr( $ts, 6, 2 ),
+ (int)substr( $ts, 0, 4 ) );
+}
+
+function wfUnix2Timestamp( $unixtime ) {
+ return gmdate( "YmdHis", $unixtime );
+}
+
+function wfTimestampNow() {
+ # return NOW
+ return gmdate( "YmdHis" );
+}
+
+# Sorting hack for MySQL 3, which doesn't use index sorts for DESC
+function wfInvertTimestamp( $ts ) {
+ return strtr(
+ $ts,
+ "0123456789",
+ "9876543210"
+ );
+}
+?>
<?
-include_once( "FulltextStoplist.php" );
-include_once( "CacheManager.php" );
-define( "DB_READ", -1 );
-define( "DB_WRITE", -2 );
-define( "DB_LAST", -3 );
+# Backwards compatibility wrapper for Database.php
-$wgLastDatabaseQuery = "";
-
-/* private */ $wgBufferSQLResults = true;
-/* private */ $wgIgnoreSQLErrors = false;
-
-function wfGetDB( $altuser = "", $altpassword = "", $altserver = "", $altdb = "" )
-{
- global $wgDBserver, $wgDBuser, $wgDBpassword;
- global $wgDBname, $wgDBconnection, $wgEmergencyContact;
-
- $noconn = wfMsgNoDB( "noconnect", $wgDBserver );
- $nodb = wfMsgNoDB( "nodb", $wgDBname );
-
- $helpme = "\n<p>If this error persists after reloading and clearing " .
- "your browser cache, please notify the <a href=\"mailto:" .
- $wgEmergencyContact . "\">Wikipedia developers</a>.</p>";
-
- if ( $altuser != "" ) {
- $serve = ($altserver ? $altserver : $wgDBserver );
- $db = ($altdb ? $altdb : $wgDBname );
- $wgDBconnection = mysql_connect( $serve, $altuser, $altpassword )
- or die( "bad sql user" );
- mysql_select_db( $db, $wgDBconnection ) or die(
- htmlspecialchars(mysql_error()) );
- }
-
- if ( ! $wgDBconnection ) {
- @$wgDBconnection = mysql_connect( $wgDBserver, $wgDBuser, $wgDBpassword )
- or wfEmergencyAbort();
-
- @mysql_select_db( $wgDBname, $wgDBconnection )
- or wfEmergencyAbort();
- }
- # mysql_ping( $wgDBconnection );
- return $wgDBconnection;
-}
-
-/* Call this function if we couldn't contact the database...
- We'll try to use the cache to display something in the meantime */
-function wfEmergencyAbort( $msg = "" ) {
- global $wgTitle, $wgUseFileCache, $title, $wgInputEncoding, $wgOutputEncoding;
-
- header( "Content-type: text/html; charset=$wgOutputEncoding" );
- if($msg == "") $msg = wfMsgNoDB( "noconnect" );
- $text = $msg;
-
- if($wgUseFileCache) {
- if($wgTitle) {
- $t =& $wgTitle;
- } else {
- if($title) {
- $t = Title::newFromURL( $title );
- } elseif ($_REQUEST['search']) {
- $search = $_REQUEST['search'];
- echo wfMsgNoDB( "searchdisabled", htmlspecialchars( $search ), $wgInputEncoding );
- wfAbruptExit();
- } else {
- $t = Title::newFromText( wfMsgNoDB( "mainpage" ) );
- }
- }
-
- $cache = new CacheManager( $t );
- if( $cache->isFileCached() ) {
- $msg = "<p style='color: red'><b>$msg<br>\n" .
- wfMsgNoDB( "cachederror" ) . "</b></p>\n";
-
- $tag = "<div id='article'>";
- $text = str_replace(
- $tag,
- $tag . $msg,
- $cache->fetchPageText() );
- }
- }
-
- /* Don't cache error pages! They cause no end of trouble... */
- header( "Cache-control: none" );
- header( "Pragma: nocache" );
- echo $text;
- wfAbruptExit();
-}
+# NB: This file follows a connect on demand scheme. Do
+# not access the $wgDatabase variable directly, use wfGetDB()
+# Query the database
# $db: DB_READ = -1 read from slave (or only server)
# DB_WRITE = -2 write to master (or only server)
# 0,1,2,... query a database with a specific index
# Replication is not actually implemented just yet
-function wfQuery( $sql, $db, $fname = "" )
-{
- global $wgLastDatabaseQuery, $wgOut, $wgDebugDumpSql, $wgBufferSQLResults,
- $wgIgnoreSQLErrors, $wgProfiling;
+# Usually aborts on failure
+# If errors are explicitly ignored, returns success
- if ( $wgProfiling ) {
- # wfGeneralizeSQL will probably cut down the query to reasonable
- # logging size most of the time. The substr is really just a sanity check.
- $profName = "wfQuery: " . substr( wfGeneralizeSQL( $sql ), 0, 255 );
- wfProfileIn( $profName );
- }
+include_once( "Database.php" );
+function wfQuery( $sql, $db, $fname = "" )
+{
+ global $wgDatabase, $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname,
+ $wgDebugDumpSql, $wgBufferSQLResults, $wgIgnoreSQLErrors;
+
if ( !is_numeric( $db ) ) {
# Someone has tried to call this the old way
$wgOut->fatalError( wfMsgNoDB( "wrong_wfQuery_params", $db, $sql ) );
}
-
- $wgLastDatabaseQuery = $sql;
-
- if( $wgDebugDumpSql ) {
- $sqlx = substr( $sql, 0, 500 );
- $sqlx = wordwrap(strtr($sqlx,"\t\n"," "));
- wfDebug( "SQL: $sqlx\n" );
- }
- $conn = wfGetDB();
- if( $wgBufferSQLResults ) {
- $ret = mysql_query( $sql, $conn );
- } else {
- $ret = mysql_unbuffered_query( $sql, $conn );
- }
+ $db = wfGetDB();
+ return $db->query( $sql, $db, $fname );
+}
- if ( false === $ret ) {
- if( $wgIgnoreSQLErrors ) {
- wfDebug("SQL ERROR (ignored): " . mysql_error( $conn ) . "\n");
- } else {
- wfDebug("SQL ERROR: " . mysql_error( $conn ) . "\n");
- $wgOut->databaseError( $fname ); // calls wfAbruptExit()
- }
- }
-
- if ( $wgProfiling ) {
- wfProfileOut( $profName );
+# Connect on demand
+function wfGetDB()
+{
+ global $wgDatabase, $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname,
+ $wgDebugDumpSql, $wgBufferSQLResults, $wgIgnoreSQLErrors;
+ if ( !$wgDatabase ) {
+ $wgDatabase = Database::newFromParams( $wgDBserver, $wgDBuser, $wgDBpassword,
+ $wgDBname, false, $wgDebugDumpSql, $wgBufferSQLResults, $wgIgnoreSQLErrors );
}
- return $ret;
+ return $wgDatabase;
}
-
+
# Turns buffering of SQL result sets on (true) or off (false). Default is
# "on" and it should not be changed without good reasons.
# Returns the previous state.
-function wfBufferSQLResults( $newstate ){
- global $wgBufferSQLResults;
- $oldstate = $wgBufferSQLResults;
- $wgBufferSQLResults = $newstate;
- return $oldstate;
+function wfBufferSQLResults( $newstate )
+{
+ $db = wfGetDB();
+ return $db->setBufferResults( $newstate );
}
# Turns on (false) or off (true) the automatic generation and sending
# situation as appropriate.
# Returns the previous state.
-function wfIgnoreSQLErrors( $newstate ){
- global $wgIgnoreSQLErrors;
- $oldstate = $wgIgnoreSQLErrors;
- $wgIgnoreSQLErrors = $newstate;
- return $oldstate;
-}
-
-function wfFreeResult( $res ) { mysql_free_result( $res ); }
-function wfFetchObject( $res ) { return mysql_fetch_object( $res ); }
-function wfNumRows( $res ) { return mysql_num_rows( $res ); }
-function wfNumFields( $res ) { return mysql_num_fields( $res ); }
-function wfFieldName( $res, $n ) { return mysql_field_name( $res, $n ); }
-function wfInsertId() { return mysql_insert_id( wfGetDB() ); }
-function wfDataSeek( $res, $row ) { return mysql_data_seek( $res, $row ); }
-function wfLastErrno() { return mysql_errno(); }
-function wfLastError() { return mysql_error(); }
-function wfAffectedRows() { return mysql_affected_rows( wfGetDB() ); }
-
-function wfLastDBquery()
+function wfIgnoreSQLErrors( $newstate )
{
- global $wgLastDatabaseQuery;
- return $wgLastDatabaseQuery;
+ $db = wfGetDB();
+ return $db->setIgnoreErrors( $newstate );
}
-function wfSetSQL( $table, $var, $value, $cond )
-{
- $sql = "UPDATE $table SET $var = '" .
- wfStrencode( $value ) . "' WHERE ($cond)";
- wfQuery( $sql, DB_WRITE, "wfSetSQL" );
+function wfFreeResult( $res )
+{
+ $db = wfGetDB();
+ $db->freeResult( $res );
}
-function wfGetSQL( $table, $var, $cond )
-{
- $sql = "SELECT $var FROM $table WHERE ($cond)";
- $result = wfQuery( $sql, DB_READ, "wfGetSQL" );
-
- $ret = "";
- if ( mysql_num_rows( $result ) > 0 ) {
- $s = mysql_fetch_object( $result );
- $ret = $s->$var;
- mysql_free_result( $result );
- }
- return $ret;
+function wfFetchObject( $res )
+{
+ $db = wfGetDB();
+ return $db->fetchObject( $res );
}
-function wfStrencode( $s )
-{
- return addslashes( $s );
+function wfNumRows( $res )
+{
+ $db = wfGetDB();
+ return $db->numRows( $res );
}
-# Ideally we'd be using actual time fields in the db
-function wfTimestamp2Unix( $ts ) {
- return gmmktime( ( (int)substr( $ts, 8, 2) ),
- (int)substr( $ts, 10, 2 ), (int)substr( $ts, 12, 2 ),
- (int)substr( $ts, 4, 2 ), (int)substr( $ts, 6, 2 ),
- (int)substr( $ts, 0, 4 ) );
+function wfNumFields( $res )
+{
+ $db = wfGetDB();
+ return $db->numFields( $res );
}
-function wfUnix2Timestamp( $unixtime ) {
- return gmdate( "YmdHis", $unixtime );
+function wfFieldName( $res, $n )
+{
+ $db = wfGetDB();
+ return $db->fieldName( $res, $n );
}
-function wfTimestampNow() {
- # return NOW
- return gmdate( "YmdHis" );
+function wfInsertId()
+{
+ $db = wfGetDB();
+ return $db->insertId();
+}
+function wfDataSeek( $res, $row )
+{
+ $db = wfGetDB();
+ return $db->dataSeek( $res, $row );
}
-# Sorting hack for MySQL 3, which doesn't use index sorts for DESC
-function wfInvertTimestamp( $ts ) {
- return strtr(
- $ts,
- "0123456789",
- "9876543210"
- );
+function wfLastErrno()
+{
+ $db = wfGetDB();
+ return $db->lastErrno();
}
-# Removes most variables from an SQL query and replaces them with X or N for numbers.
-# It's only slightly flawed. Don't use for anything important.
-function wfGeneralizeSQL( $sql )
-{
- # This does the same as the regexp below would do, but in such a way
- # as to avoid crashing php on some large strings.
- # $sql = preg_replace ( "/'([^\\\\']|\\\\.)*'|\"([^\\\\\"]|\\\\.)*\"/", "'X'", $sql);
+function wfLastError()
+{
+ $db = wfGetDB();
+ return $db->lastError();
+}
- $sql = str_replace ( "\\\\", "", $sql);
- $sql = str_replace ( "\\'", "", $sql);
- $sql = str_replace ( "\\\"", "", $sql);
- $sql = preg_replace ("/'.*'/s", "'X'", $sql);
- $sql = preg_replace ('/".*"/s', "'X'", $sql);
+function wfAffectedRows()
+{
+ $db = wfGetDB();
+ return $db->affectedRows();
+}
- # All newlines, tabs, etc replaced by single space
- $sql = preg_replace ( "/\s+/", " ", $sql);
+function wfLastDBquery()
+{
+ $db = wfGetDB();
+ return $db->lastQuery();
+}
- # All numbers => N
- $sql = preg_replace ('/-?[0-9]+/s', "N", $sql);
+function wfSetSQL( $table, $var, $value, $cond )
+{
+ $db = wfGetDB();
+ return $db->set( $table, $var, $value, $cond );
+}
- return $sql;
+function wfGetSQL( $table, $var, $cond )
+{
+ $db = wfGetDB();
+ return $db->get( $table, $var, $cond );
}
function wfFieldExists( $table, $field )
{
- $fname = "wfFieldExists";
- $res = wfQuery( "DESCRIBE $table", DB_READ, $fname );
- $found = false;
-
- while ( $row = wfFetchObject( $res ) ) {
- if ( $row->Field == $field ) {
- $found = true;
- break;
- }
- }
- return $found;
+ $db = wfGetDB();
+ return $db->fieldExists( $table, $field );
}
function wfIndexExists( $table, $index )
{
- global $wgDBname;
- $fname = "wfIndexExists";
- $sql = "SHOW INDEXES FROM $table";
- $res = wfQuery( $sql, DB_READ, $fname );
- $found = false;
- while ( $row = wfFetchObject( $res ) ) {
- if ( $row->Key_name == $index ) {
- $found = true;
- break;
- }
- }
- return $found;
+ $db = wfGetDB();
+ return $wgDatabase->indexExists( $table, $index );
}
+
?>
dépôts / lhc / web / wiklou.git / commitdiff