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+# 2011 Aug 1
+#
+# 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 checks to make sure IS NOT NULL constraints work on
+# virtual tables.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !vtab||!schema_pragmas { finish_test ; return }
+
+# Register the echo module
+register_echo_module [sqlite3_connection_pointer db]
+
+do_test vtabF-1.1 {
+ execsql {
+ CREATE TABLE t1(a, b);
+ CREATE INDEX i1 ON t1(a);
+ CREATE INDEX i2 ON t1(b);
+ INSERT INTO t1 VALUES(10,110);
+ INSERT INTO t1 VALUES(11,111);
+ INSERT INTO t1 SELECT a+2, b+2 FROM t1;
+ INSERT INTO t1 SELECT null, b+4 FROM t1;
+ INSERT INTO t1 SELECT null, b+8 FROM t1;
+ INSERT INTO t1 SELECT null, b+16 FROM t1;
+ ANALYZE;
+ CREATE VIRTUAL TABLE tv1 USING echo(t1);
+ SELECT b FROM t1 WHERE a IS NOT NULL;
+ }
+} {110 111 112 113}
+do_test vtabF-1.2 {
+ execsql {SELECT b FROM tv1 WHERE a IS NOT NULL}
+} {110 111 112 113}
+
+
+finish_test