# 2014 January 11
#
# 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 SQLite library. The
# focus of this file is testing the WITH clause.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set ::testprefix withM
ifcapable {!cte} {
finish_test
return
}
do_execsql_test 1.0 {
CREATE TABLE t1(x INTEGER, y INTEGER);
INSERT INTO t1 VALUES(123, 456);
}
do_faultsim_test withM-1.1 -prep {
sqlite3 db test.db
} -body {
execsql {
WITH tmp AS ( SELECT * FROM t1 )
SELECT * FROM tmp;
}
} -test {
faultsim_test_result {0 {123 456}}
db close
}
do_faultsim_test withM-1.2 -prep {
sqlite3 db test.db
} -body {
execsql {
WITH w1 AS ( SELECT * FROM t1 ),
w2 AS (
WITH w3 AS ( SELECT * FROM w1 )
SELECT * FROM w3
)
SELECT * FROM w2;
}
} -test {
faultsim_test_result {0 {123 456}}
db close
}
do_faultsim_test withM-1.3 -prep {
sqlite3 db test.db
} -body {
execsql {
WITH w1(a,b) AS (
SELECT 1, 1
UNION ALL
SELECT a+1, b + 2*a + 1 FROM w1
)
SELECT * FROM w1 LIMIT 5;
}
} -test {
faultsim_test_result {0 {1 1 2 4 3 9 4 16 5 25}}
db close
}
finish_test