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#!/usr/bin/env tarantool
test = require("sqltester")
test:plan(129)
--!./tcltestrunner.lua
-- 2002 May 24
--
-- 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.
--
-- This file implements tests for joins, including outer joins, where
-- there are a large number of tables involved in the join.
--
-- $Id: join3.test,v 1.4 2005/01/19 23:24:51 drh Exp $
-- ["set","testdir",[["file","dirname",["argv0"]]]]
-- ["source",[["testdir"],"\/tester.tcl"]]
-- An unrestricted join
--
-- X(25, "X!cmd", [=[["catch","unset ::result"]]=])
local bitmask_size = 64
local result = {}
--for _ in X(0, "X!for", [=[["set N 1","$N<=$bitmask_size","incr N"]]=]) do
for N=1, bitmask_size do
table.insert(result,N) -- or result
test:do_test(
"join3-1."..N,
function()
test:execsql("CREATE TABLE t"..N.."(x INT primary key);")
test:execsql(string.format("INSERT INTO t%s VALUES(%s)", N, N))
sql = "SELECT * FROM t1"
-- for _ in X(0, "X!for", [=[["set i 2","$i<=$N","incr i"]]=]) do
for i=2,N do
sql = sql .. ", t"..i..""
end
return test:execsql(sql)
end,
result
)
end
-- Joins with a comparison
--
local result = {}
--for _ in X(0, "X!for", [=[["set N 1","$N<=$bitmask_size","incr N"]]=]) do
for N=1, bitmask_size do
table.insert(result,N)
test:do_test(
"join3-2."..N,
function()
sql = "SELECT * FROM t1"
--for _ in X(0, "X!for", [=[["set i 2","$i<=$N","incr i"]]=]) do
for i=2, N do
sql = sql .. ", t"..i..""
end
sep = "WHERE"
--for _ in X(0, "X!for", [=[["set i 1","$i<$N","incr i"]]=]) do
for i=1, N - 1 do
sql = sql .. string.format(" %s t%s.x==t%s.x+1", sep, (i + 1), i)
sep = "AND"
end
return test:execsql(sql)
end,
result
)
end
-- Error of too many tables in the join
--
test:do_test(
"join3-3.1",
function()
sql = "SELECT * FROM t1 AS t0, t1"
for i=2, bitmask_size do
sql = sql .. ", t"..i..""
end
return test:catchsql(sql)
end, {
-- <join3-3.1>
1, "The number of tables in a join " .. bitmask_size + 1 .. " exceeds the limit (".. bitmask_size ..")"
-- </join3-3.1>
})
test:finish_test()
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