SQLite

Artifact 5204a7cba0e28c99df0acbf95af5e1af4d32965a7a14de6eccebf949607618b1:

• File test/tkt-385a5b56b9.test — part of check-in [5f0e803e] at 2018-05-02 18:00:17 on branch rework-EQP — Fix test cases so that they work with the new EXPLAIN QUERY PLAN output format. Only some of the cases have been fixed. This is an incremental check-in. (user: drh size: 1482) [more...]

# 2012 April 02
#
# 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.
#
#***********************************************************************
# The tests in this file were used while developing the SQLite 4 code. 
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix tkt-385a5b56b9

do_execsql_test 1.0 { 
  CREATE TABLE t1(x, y);
  INSERT INTO t1 VALUES(1, NULL);
  INSERT INTO t1 VALUES(2, NULL);
  INSERT INTO t1 VALUES(1, NULL);
}

do_execsql_test 1.1 { SELECT DISTINCT x, y FROM t1 } {1 {} 2 {}}
do_execsql_test 1.2 { CREATE UNIQUE INDEX i1 ON t1(x, y) }
do_execsql_test 1.3 { SELECT DISTINCT x, y FROM t1 } {1 {} 2 {}}


#-------------------------------------------------------------------------

do_execsql_test 2.0 {
  CREATE TABLE t2(x, y NOT NULL);
  CREATE UNIQUE INDEX t2x ON t2(x);
  CREATE UNIQUE INDEX t2y ON t2(y);
}

do_eqp_test 2.1 { SELECT DISTINCT x FROM t2 } \
  {SCAN TABLE t2 USING COVERING INDEX t2x}

do_eqp_test 2.2 { SELECT DISTINCT y FROM t2 } \
  {SCAN TABLE t2 USING COVERING INDEX t2y}

do_eqp_test 2.3 { SELECT DISTINCT x, y FROM t2 WHERE y=10 } \
  {SEARCH TABLE t2 USING INDEX t2y (y=?)}

do_eqp_test 2.4 { SELECT DISTINCT x, y FROM t2 WHERE x=10 } \
  {SEARCH TABLE t2 USING INDEX t2x (x=?)}


finish_test