Index: src/expr.c
==================================================================
--- src/expr.c
+++ src/expr.c
@@ -31,11 +31,11 @@
 ** SELECT * FROM t1 WHERE (select a from t1);
 */
 char sqlite3ExprAffinity(Expr *pExpr){
   int op;
   pExpr = sqlite3ExprSkipCollate(pExpr);
-  if( pExpr->flags & EP_Generic ) return SQLITE_AFF_NONE;
+  if( pExpr->flags & EP_Generic ) return 0;
   op = pExpr->op;
   if( op==TK_SELECT ){
     assert( pExpr->flags&EP_xIsSelect );
     return sqlite3ExprAffinity(pExpr->x.pSelect->pEList->a[0].pExpr);
   }

ADDED   test/tkt-9a8b09f8e6.test
Index: test/tkt-9a8b09f8e6.test
==================================================================
--- /dev/null
+++ test/tkt-9a8b09f8e6.test
@@ -0,0 +1,265 @@
+# 2014 June 26
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    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 implements regression tests for SQLite library.
+#
+# This file implements tests to verify that ticket [9a8b09f8e6] has been
+# fixed.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix tkt-9a8b09f8e6
+
+do_test 1.1 {
+  execsql {
+    CREATE TABLE t1(x TEXT);
+    INSERT INTO t1 VALUES('1');
+  }
+} {}
+
+do_test 1.2 {
+  execsql {
+    CREATE TABLE t2(x INTEGER);
+    INSERT INTO t2 VALUES(1);
+  }
+} {}
+
+do_test 1.3 {
+  execsql {
+    CREATE TABLE t3(x REAL);
+    INSERT INTO t3 VALUES(1.0);
+  }
+} {}
+
+do_test 1.4 {
+  execsql {
+    CREATE TABLE t4(x REAL);
+    INSERT INTO t4 VALUES(1.11);
+  }
+} {}
+
+do_test 2.1 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN (1);
+  }
+} {1}
+
+do_test 2.2 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN (1.0);
+  }
+} {}
+
+do_test 2.3 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN ('1');
+  }
+} {1}
+
+do_test 2.4 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN ('1.0');
+  }
+} {}
+
+do_test 2.5 {
+  execsql {
+    SELECT x FROM t1 WHERE 1 IN (x);
+  }
+} {}
+
+do_test 2.6 {
+  execsql {
+    SELECT x FROM t1 WHERE 1.0 IN (x);
+  }
+} {}
+
+do_test 2.7 {
+  execsql {
+    SELECT x FROM t1 WHERE '1' IN (x);
+  }
+} {1}
+
+do_test 2.8 {
+  execsql {
+    SELECT x FROM t1 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 3.1 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN (1);
+  }
+} {1}
+
+do_test 3.2 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN (1.0);
+  }
+} {1}
+
+do_test 3.3 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN ('1');
+  }
+} {1}
+
+do_test 3.4 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN ('1.0');
+  }
+} {1}
+
+do_test 3.5 {
+  execsql {
+    SELECT x FROM t2 WHERE 1 IN (x);
+  }
+} {1}
+
+do_test 3.6 {
+  execsql {
+    SELECT x FROM t2 WHERE 1.0 IN (x);
+  }
+} {1}
+
+do_test 3.7 {
+  execsql {
+    SELECT x FROM t2 WHERE '1' IN (x);
+  }
+} {}
+
+do_test 3.8 {
+  execsql {
+    SELECT x FROM t2 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 4.1 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN (1);
+  }
+} {1.0}
+
+do_test 4.2 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN (1.0);
+  }
+} {1.0}
+
+do_test 4.3 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN ('1');
+  }
+} {1.0}
+
+do_test 4.4 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN ('1.0');
+  }
+} {1.0}
+
+do_test 4.5 {
+  execsql {
+    SELECT x FROM t3 WHERE 1 IN (x);
+  }
+} {1.0}
+
+do_test 4.6 {
+  execsql {
+    SELECT x FROM t3 WHERE 1.0 IN (x);
+  }
+} {1.0}
+
+do_test 4.7 {
+  execsql {
+    SELECT x FROM t3 WHERE '1' IN (x);
+  }
+} {}
+
+do_test 4.8 {
+  execsql {
+    SELECT x FROM t3 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 5.1 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN (1);
+  }
+} {}
+
+do_test 5.2 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN (1.0);
+  }
+} {}
+
+do_test 5.3 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN ('1');
+  }
+} {}
+
+do_test 5.4 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN ('1.0');
+  }
+} {}
+
+do_test 5.5 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN (1.11);
+  }
+} {1.11}
+
+do_test 5.6 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN ('1.11');
+  }
+} {1.11}
+
+do_test 5.7 {
+  execsql {
+    SELECT x FROM t4 WHERE 1 IN (x);
+  }
+} {}
+
+do_test 5.8 {
+  execsql {
+    SELECT x FROM t4 WHERE 1.0 IN (x);
+  }
+} {}
+
+do_test 5.9 {
+  execsql {
+    SELECT x FROM t4 WHERE '1' IN (x);
+  }
+} {}
+
+do_test 5.10 {
+  execsql {
+    SELECT x FROM t4 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 5.11 {
+  execsql {
+    SELECT x FROM t4 WHERE 1.11 IN (x);
+  }
+} {1.11}
+
+do_test 5.12 {
+  execsql {
+    SELECT x FROM t4 WHERE '1.11' IN (x);
+  }
+} {}
+
+finish_test