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#!/usr/bin/env tarantool
test = require("sqltester")
test:plan(9)
--!./tcltestrunner.lua
-- 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 sql 4 code.
--
-- ["set","testdir",[["file","dirname",["argv0"]]]]
-- ["source",[["testdir"],"\/tester.tcl"]]
testprefix = "tkt-385a5b56b9"
test:do_execsql_test(
"1.0",
[[
CREATE TABLE t1(id INT primary key, x INT, y INT);
INSERT INTO t1 VALUES(1, 1, NULL);
INSERT INTO t1 VALUES(2, 2, NULL);
INSERT INTO t1 VALUES(3, 1, NULL);
]])
test:do_execsql_test(
"1.1",
[[
SELECT DISTINCT x, y FROM t1
]], {
-- <1.1>
1, "", 2, ""
-- </1.1>
})
test:do_execsql_test(
"1.2",
[[
CREATE UNIQUE INDEX i1 ON t1(x, y)
]])
test:do_execsql_test(
"1.3",
[[
SELECT DISTINCT x, y FROM t1
]], {
-- <1.3>
1, "", 2, ""
-- </1.3>
})
---------------------------------------------------------------------------
test:do_execsql_test(
"2.0",
[[
CREATE TABLE t2(x INT primary key, y INT NOT NULL);
CREATE UNIQUE INDEX t2x ON t2(x);
CREATE UNIQUE INDEX t2y ON t2(y);
]])
test:do_eqp_test(
"2.1",
" SELECT DISTINCT x FROM t2 ", {
-- <2.1>
{0, 0, 0, "SCAN TABLE T2 (~1048576 rows)"}
-- </2.1>
})
test:do_eqp_test(
"2.2",
" SELECT DISTINCT y FROM t2 ", {
-- <2.2>
-- changed after reordering indexes
-- actually it does not matter, because each y val is
-- distinct even in pk
--{0, 0, 0, "SCAN TABLE t2 USING COVERING INDEX t2y"}
{0, 0, 0, "SCAN TABLE T2 (~1048576 rows)"}
-- </2.2>
})
test:do_eqp_test(
"2.3",
" SELECT DISTINCT x, y FROM t2 WHERE y=10 ", {
-- <2.3>
{0, 0, 0, "SEARCH TABLE T2 USING COVERING INDEX T2Y (Y=?) (~1 row)"}
-- </2.3>
})
test:do_eqp_test(
"2.4",
" SELECT DISTINCT x, y FROM t2 WHERE x=10 ", {
-- <2.4>
-- changed after reordering indexes + add pk to x affected
-- actually it does not matter
--{0, 0, 0, "SEARCH TABLE t2 USING INDEX t2x (x=?)"}
{0, 0, 0, "SEARCH TABLE T2 USING PRIMARY KEY (X=?) (~1 row)"}
-- </2.4>
})
test:finish_test()
|
