Index: src/pragma.c
==================================================================
--- src/pragma.c
+++ src/pragma.c
@@ -9,11 +9,11 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
 ** This file contains code used to implement the PRAGMA command.
 **
-** $Id: pragma.c,v 1.183 2008/07/28 19:34:53 drh Exp $
+** $Id: pragma.c,v 1.184 2008/08/20 16:34:24 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
 
 /* Ignore this whole file if pragmas are disabled
@@ -273,11 +273,11 @@
     zRight = sqlite3MPrintf(db, "-%T", pValue);
   }else{
     zRight = sqlite3NameFromToken(db, pValue);
   }
 
-  zDb = ((iDb>0)?pDb->zName:0);
+  zDb = ((pId2 && pId2->n>0)?pDb->zName:0);
   if( sqlite3AuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, zDb) ){
     goto pragma_out;
   }
  
 #ifndef SQLITE_OMIT_PAGER_PRAGMAS

Index: test/pragma.test
==================================================================
--- test/pragma.test
+++ test/pragma.test
@@ -10,11 +10,11 @@
 #***********************************************************************
 # This file implements regression tests for SQLite library.
 #
 # This file implements tests for the PRAGMA command.
 #
-# $Id: pragma.test,v 1.64 2008/07/12 14:52:20 drh Exp $
+# $Id: pragma.test,v 1.65 2008/08/20 16:34:24 danielk1977 Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
 # Test organization:
@@ -539,10 +539,37 @@
   execsql {
     CREATE INDEX t3i1 ON t3(a,b);
     pragma index_info(t3i1);
   }
 } {0 0 a 1 1 b}
+
+ifcapable tempdb {
+  # Test for ticket #3320. When a temp table of the same name exists, make
+  # sure the schema of the main table can still be queried using 
+  # "pragma table_info":
+  do_test pragma-6.6.1 {
+    execsql {
+      CREATE TABLE trial(col_main);
+      CREATE TEMP TABLE trial(col_temp);
+    }
+  } {}
+  do_test pragma-6.6.2 {
+    execsql {
+      PRAGMA table_info(trial);
+    }
+  } {0 col_temp {} 0 {} 0}
+  do_test pragma-6.6.3 {
+    execsql {
+      PRAGMA temp.table_info(trial);
+    }
+  } {0 col_temp {} 0 {} 0}
+  do_test pragma-6.6.4 {
+    execsql {
+      PRAGMA main.table_info(trial);
+    }
+  } {0 col_main {} 0 {} 0}
+}
 } ;# ifcapable schema_pragmas
 # Miscellaneous tests
 #
 ifcapable schema_pragmas {
 do_test pragma-7.1 {