Index: src/delete.c
==================================================================
--- src/delete.c
+++ src/delete.c
@@ -634,11 +634,17 @@
       sqlite3VdbeAddOp3(v, OP_Column, iCur, idx, regBase+j);
       sqlite3ColumnDefault(v, pTab, idx, -1);
     }
   }
   if( doMakeRec ){
+    const char *zAff;
+    if( pTab->pSelect || (pParse->db->flags & SQLITE_IdxRealAsInt)!=0 ){
+      zAff = 0;
+    }else{
+      zAff = sqlite3IndexAffinityStr(v, pIdx);
+    }
     sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol+1, regOut);
-    sqlite3VdbeChangeP4(v, -1, sqlite3IndexAffinityStr(v, pIdx), P4_TRANSIENT);
+    sqlite3VdbeChangeP4(v, -1, zAff, P4_TRANSIENT);
   }
   sqlite3ReleaseTempRange(pParse, regBase, nCol+1);
   return regBase;
 }

Index: src/sqliteInt.h
==================================================================
--- src/sqliteInt.h
+++ src/sqliteInt.h
@@ -953,10 +953,11 @@
 #define SQLITE_IndexSort      0x04        /* Disable indexes for sorting */
 #define SQLITE_IndexSearch    0x08        /* Disable indexes for searching */
 #define SQLITE_IndexCover     0x10        /* Disable index covering table */
 #define SQLITE_GroupByOrder   0x20        /* Disable GROUPBY cover of ORDERBY */
 #define SQLITE_FactorOutConst 0x40        /* Disable factoring out constants */
+#define SQLITE_IdxRealAsInt   0x80        /* Store REAL as INT in indices */
 #define SQLITE_OptMask        0xff        /* Mask of all disablable opts */
 
 /*
 ** Possible values for the sqlite.magic field.
 ** The numbers are obtained at random and have no special meaning, other

Index: src/test1.c
==================================================================
--- src/test1.c
+++ src/test1.c
@@ -5712,10 +5712,11 @@
     { "index-sort",       SQLITE_IndexSort      },
     { "index-search",     SQLITE_IndexSearch    },
     { "index-cover",      SQLITE_IndexCover     },
     { "groupby-order",    SQLITE_GroupByOrder   },
     { "factor-constants", SQLITE_FactorOutConst },
+    { "real-as-int",      SQLITE_IdxRealAsInt   },
   };
 
   if( objc!=4 ){
     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
     return TCL_ERROR;

ADDED   test/tkt-91e2e8ba6f.test
Index: test/tkt-91e2e8ba6f.test
==================================================================
--- /dev/null
+++ test/tkt-91e2e8ba6f.test
@@ -0,0 +1,52 @@
+# 2011 June 23
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file contains tests for SQLite. Specifically, it tests that SQLite
+# does not crash and an error is returned if localhost() fails. This 
+# is the problem reported by ticket 91e2e8ba6f.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+set testprefix tkt-91e2e8ba6f
+
+
+do_execsql_test 1.1 {
+  CREATE TABLE t1(x INTEGER, y REAL);
+  INSERT INTO t1 VALUES(11, 11);
+} {}
+
+do_execsql_test 1.2 {
+  SELECT x/10, y/10 FROM t1;
+} {1 1.1}
+
+do_execsql_test 1.3 {
+  SELECT x/10, y/10 FROM (SELECT * FROM t1);
+} {1 1.1}
+
+do_execsql_test 1.4 {
+  SELECT x/10, y/10 FROM (SELECT * FROM t1 LIMIT 5 OFFSET 0);
+} {1 1.1}
+
+do_execsql_test 1.5 {
+  SELECT x/10, y/10 FROM (SELECT * FROM t1 LIMIT 5 OFFSET 0) LIMIT 5 OFFSET 0;
+} {1 1.1}
+
+do_execsql_test 1.6 {
+  SELECT a.x/10, a.y/10 FROM 
+    (SELECT * FROM t1 LIMIT 5 OFFSET 0) AS a, t1 AS b WHERE a.x = b.x
+  LIMIT 5 OFFSET 0;
+} {1 1.1}
+
+do_execsql_test 1.7 {
+  CREATE VIEW v1 AS SELECT * FROM t1 LIMIT 5;
+  SELECT a.x/10, a.y/10 FROM v1 AS a, t1 AS b WHERE a.x = b.x LIMIT 5 OFFSET 0;
+} {1 1.1}
+
+finish_test