+ global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
+ # Add missing extension tables
+ foreach ( $wgExtNewTables as $nt ) {
+ if ($wgDatabase->tableExists($nt[0])) {
+ echo "... table $nt[0] already exists\n";
+ continue;
+ }
+
+ echo "... create table $nt[0]\n";
+ dbsource($nt[1]);
+ }
+ # Add missing extension fields
+ foreach ( $wgExtNewFields as $nc ) {
+ $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
+ if (!is_null($fi)) {
+ echo "... column $nc[0].$nc[1] already exists\n";
+ continue;
+ }
+
+ echo "... add column $nc[0].$nc[1]\n";
+ $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
+ }
+ # Add missing extension indexes
+ foreach ( $wgExtNewIndexes as $ni ) {
+ if (pg_index_exists($ni[0], $ni[1])) {
+ echo "... index $ni[1] on $ni[0] already exists\n";
+ continue;
+ }
+ dbsource($ni[2]);
+ }
+