#!/usr/bin/env tarantool
local test = require("sqltester")
test:plan(3)

--!./tcltestrunner.lua
-- 2010 September 28
--
-- 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 sql library. Specifically,
-- it tests that ticket [b351d95f9cd5ef17e9d9dbae18f5ca8611190001] has been
-- resolved.
--
-- ["set","testdir",[["file","dirname",["argv0"]]]]
-- ["source",[["testdir"],"\/tester.tcl"]]
-- ["source",[["testdir"],"\/lock_common.tcl"]]
-- ["source",[["testdir"],"\/malloc_common.tcl"]]
test:do_execsql_test(
    "tkt-b351d95.1",
    [[
        CREATE table t1(a text primary key,b text);
        INSERT INTO t1 VALUES('name1','This is a test');
        INSERT INTO t1 VALUES('name2','xyz');
        CREATE TABLE t2(x TEXT primary key,y TEXT);
        INSERT INTO t2 SELECT a, CASE b WHEN 'xyz' THEN null ELSE b END FROM t1;
        SELECT x, y FROM t2 ORDER BY x;
    ]], {
        -- <tkt-b351d95.1>
        "name1", "This is a test", "name2", ""
        -- </tkt-b351d95.1>
    })

test:do_execsql_test(
    "tkt-b351d95.2",
    [[
        DELETE FROM t2;
        INSERT INTO t2 SELECT a, COALESCE(b,a) FROM t1;
        SELECT x, y FROM t2 ORDER BY x;
    ]], {
        -- <tkt-b351d95.2>
        "name1", "This is a test", "name2", "xyz"
        -- </tkt-b351d95.2>
    })

test:do_execsql_test(
    "tkt-b351d95.3",
    [[
        DELETE FROM t2;
        INSERT INTO t2 SELECT a, COALESCE(b,a) FROM t1;
        SELECT x, y BETWEEN 'xy' AND 'xz' FROM t2 ORDER BY x;
    ]], {
        -- <tkt-b351d95.3>
        "name1", false, "name2", true
        -- </tkt-b351d95.3>
    })

test:finish_test()

