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# 2015-11-07
#
# 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
set ::testprefix with3
ifcapable {!cte} {
finish_test
return
}
# Test problems found by Kostya Serebryany using
# LibFuzzer. (http://llvm.org/docs/LibFuzzer.html)
#
do_catchsql_test 1.0 {
WITH i(x) AS (
WITH j AS (SELECT 10)
SELECT 5 FROM t0 UNION SELECT 8 FROM m
)
SELECT * FROM i;
} {1 {no such table: m}}
# Additional test cases that came out of the work to
# fix for Kostya's problem.
#
do_execsql_test 2.0 {
WITH
x1 AS (SELECT 10),
x2 AS (SELECT 11),
x3 AS (
SELECT * FROM x1 UNION ALL SELECT * FROM x2
),
x4 AS (
WITH
x1 AS (SELECT 12),
x2 AS (SELECT 13)
SELECT * FROM x3
)
SELECT * FROM x4;
} {10 11}
do_execsql_test 2.1 {
CREATE TABLE t1(x);
WITH
x1(a) AS (values(100))
INSERT INTO t1(x)
SELECT * FROM (WITH x2(y) AS (SELECT * FROM x1) SELECT y+a FROM x1, x2);
SELECT * FROM t1;
} {200}
finish_test
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