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sqlite3

    1: # 2011 Aug 1
    2: #
    3: # The author disclaims copyright to this source code.  In place of
    4: # a legal notice, here is a blessing:
    5: #
    6: #    May you do good and not evil.
    7: #    May you find forgiveness for yourself and forgive others.
    8: #    May you share freely, never taking more than you give.
    9: #
   10: #***********************************************************************
   11: # This file implements regression tests for SQLite library. 
   12: # This file checks to make sure IS NOT NULL constraints work on
   13: # virtual tables.
   14: #
   15: 
   16: set testdir [file dirname $argv0]
   17: source $testdir/tester.tcl
   18: 
   19: ifcapable !vtab||!schema_pragmas { finish_test ; return }
   20: 
   21: # Register the echo module
   22: register_echo_module [sqlite3_connection_pointer db]
   23: 
   24: do_test vtabE-1.1 {
   25:   execsql {
   26:     CREATE TABLE t1(a, b);
   27:     CREATE INDEX i1 ON t1(a);
   28:     CREATE INDEX i2 ON t1(b);
   29:     INSERT INTO t1 VALUES(10,110);
   30:     INSERT INTO t1 VALUES(11,111);
   31:     INSERT INTO t1 SELECT a+2, b+2 FROM t1;
   32:     INSERT INTO t1 SELECT null, b+4 FROM t1;
   33:     INSERT INTO t1 SELECT null, b+8 FROM t1;
   34:     INSERT INTO t1 SELECT null, b+16 FROM t1;
   35:     ANALYZE;
   36:     CREATE VIRTUAL TABLE tv1 USING echo(t1);
   37:     SELECT b FROM t1 WHERE a IS NOT NULL;
   38:   }
   39: } {110 111 112 113}
   40: do_test vtabE-1.2 {
   41:   execsql {SELECT b FROM tv1 WHERE a IS NOT NULL}
   42: } {110 111 112 113}
   43: 
   44: 
   45: finish_test