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Overview
Comment:Add a test to ensure that the fix in [b0c1ba655d] has worked.
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SHA1: 59c233942e583086589c0bba5a3ff296a25c86a0
User & Date: dan 2012-12-04 05:21:53
Context
2012-12-04
05:21
Add a test to ensure that the fix in [b0c1ba655d] has worked. Closed-Leaf check-in: 59c23394 user: dan tags: mistake
2012-12-03
17:04
Make sure that the optimization that set the maximum column that will be used on a particular query does not mistakenly change an opcode other than OP_OpenRead or OP_OpenWrite. In particular, make sure it does not overwrite the P4 field of an OP_SorterOpen. check-in: b0c1ba65 user: drh tags: trunk
Changes
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Changes to test/vtab1.test.

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} SQLITE_OK
do_test 19.2 {
  register_echo_module [sqlite3_connection_pointer db2]
} SQLITE_MISUSE
do_test 19.3 {
  db2 close
} {}









































finish_test








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} SQLITE_OK
do_test 19.2 {
  register_echo_module [sqlite3_connection_pointer db2]
} SQLITE_MISUSE
do_test 19.3 {
  db2 close
} {}

#-------------------------------------------------------------------------
# Test that the bug fixed by [b0c1ba655d69] really is fixed.
#
do_execsql_test 20.1 {
  CREATE TABLE t7 (a, b);
  CREATE TABLE t8 (c, d);
  CREATE INDEX i2 ON t7(a);
  CREATE INDEX i3 ON t7(b);
  CREATE INDEX i4 ON t8(c);
  CREATE INDEX i5 ON t8(d);

  CREATE VIRTUAL TABLE t7v USING echo(t7);
  CREATE VIRTUAL TABLE t8v USING echo(t8);
}

do_test 20.2 {
  for {set i 0} {$i < 1000} {incr i} {
    db eval {INSERT INTO t7 VALUES($i, $i)}
    db eval {INSERT INTO t8 VALUES($i, $i)}
  }
} {}

do_execsql_test 20.3 {
  SELECT a, b FROM (
      SELECT a, b FROM t7 WHERE a=11 OR b=12
      UNION ALL
      SELECT c, d FROM t8 WHERE c=5 OR d=6
  )
  ORDER BY 1, 2;
} {5 5 6 6 11 11 12 12}

do_execsql_test 20.4 {
  SELECT a, b FROM (
      SELECT a, b FROM t7v WHERE a=11 OR b=12
      UNION ALL
      SELECT c, d FROM t8v WHERE c=5 OR d=6
  )
  ORDER BY 1, 2;
} {5 5 6 6 11 11 12 12}

finish_test