1144 lines
29 KiB
Plaintext
1144 lines
29 KiB
Plaintext
# 2014 January 11
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the WITH clause.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix with1
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ifcapable {!cte} {
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finish_test
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return
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}
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do_execsql_test 1.0 {
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CREATE TABLE t1(x INTEGER, y INTEGER);
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WITH x(a) AS ( SELECT * FROM t1) SELECT 10
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} {10}
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do_execsql_test 1.1 {
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SELECT * FROM ( WITH x AS ( SELECT * FROM t1) SELECT 10 );
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} {10}
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do_execsql_test 1.2 {
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WITH x(a) AS ( SELECT * FROM t1) INSERT INTO t1 VALUES(1,2);
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} {}
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do_execsql_test 1.3 {
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WITH x(a) AS ( SELECT * FROM t1) DELETE FROM t1;
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} {}
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do_execsql_test 1.4 {
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WITH x(a) AS ( SELECT * FROM t1) UPDATE t1 SET x = y;
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} {}
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#--------------------------------------------------------------------------
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do_execsql_test 2.1 {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t1 VALUES(2);
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WITH tmp AS ( SELECT * FROM t1 ) SELECT x FROM tmp;
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} {1 2}
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do_execsql_test 2.2 {
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WITH tmp(a) AS ( SELECT * FROM t1 ) SELECT a FROM tmp;
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} {1 2}
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do_execsql_test 2.3 {
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SELECT * FROM (
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WITH tmp(a) AS ( SELECT * FROM t1 ) SELECT a FROM tmp
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);
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} {1 2}
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do_execsql_test 2.4 {
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WITH tmp1(a) AS ( SELECT * FROM t1 ),
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tmp2(x) AS ( SELECT * FROM tmp1)
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SELECT * FROM tmp2;
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} {1 2}
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do_execsql_test 2.5 {
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WITH tmp2(x) AS ( SELECT * FROM tmp1),
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tmp1(a) AS ( SELECT * FROM t1 )
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SELECT * FROM tmp2;
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} {1 2}
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#-------------------------------------------------------------------------
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do_catchsql_test 3.1 {
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WITH tmp2(x) AS ( SELECT * FROM tmp1 ),
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tmp1(a) AS ( SELECT * FROM tmp2 )
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SELECT * FROM tmp1;
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} {1 {circular reference: tmp1}}
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do_catchsql_test 3.2 {
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CREATE TABLE t2(x INTEGER);
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WITH tmp(a) AS (SELECT * FROM t1),
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tmp(a) AS (SELECT * FROM t1)
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SELECT * FROM tmp;
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} {1 {duplicate WITH table name: tmp}}
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do_execsql_test 3.3 {
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CREATE TABLE t3(x);
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CREATE TABLE t4(x);
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INSERT INTO t3 VALUES('T3');
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INSERT INTO t4 VALUES('T4');
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WITH t3(a) AS (SELECT * FROM t4)
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SELECT * FROM t3;
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} {T4}
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do_execsql_test 3.4 {
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WITH tmp AS ( SELECT * FROM t3 ),
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tmp2 AS ( WITH tmp AS ( SELECT * FROM t4 ) SELECT * FROM tmp )
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SELECT * FROM tmp2;
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} {T4}
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do_execsql_test 3.5 {
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WITH tmp AS ( SELECT * FROM t3 ),
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tmp2 AS ( WITH xxxx AS ( SELECT * FROM t4 ) SELECT * FROM tmp )
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SELECT * FROM tmp2;
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} {T3}
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do_catchsql_test 3.6 {
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WITH tmp AS ( SELECT * FROM t3 ),
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SELECT * FROM tmp;
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} {1 {near "SELECT": syntax error}}
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#-------------------------------------------------------------------------
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do_execsql_test 4.1 {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t1 VALUES(2);
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INSERT INTO t1 VALUES(3);
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INSERT INTO t1 VALUES(4);
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WITH dset AS ( SELECT 2 UNION ALL SELECT 4 )
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DELETE FROM t1 WHERE x IN dset;
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SELECT * FROM t1;
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} {1 3}
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do_execsql_test 4.2 {
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WITH iset AS ( SELECT 2 UNION ALL SELECT 4 )
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INSERT INTO t1 SELECT * FROM iset;
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SELECT * FROM t1;
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} {1 3 2 4}
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do_execsql_test 4.3 {
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WITH uset(a, b) AS ( SELECT 2, 8 UNION ALL SELECT 4, 9 )
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UPDATE t1 SET x = COALESCE( (SELECT b FROM uset WHERE a=x), x );
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SELECT * FROM t1;
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} {1 3 8 9}
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#-------------------------------------------------------------------------
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#
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do_execsql_test 5.1 {
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WITH i(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM i)
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SELECT x FROM i LIMIT 10;
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} {1 2 3 4 5 6 7 8 9 10}
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do_catchsql_test 5.2 {
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WITH i(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM i ORDER BY 1)
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SELECT x FROM i LIMIT 10;
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} {0 {1 2 3 4 5 6 7 8 9 10}}
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do_execsql_test 5.2.1 {
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CREATE TABLE edge(xfrom, xto, seq, PRIMARY KEY(xfrom, xto)) WITHOUT ROWID;
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INSERT INTO edge VALUES(0, 1, 10);
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INSERT INTO edge VALUES(1, 2, 20);
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INSERT INTO edge VALUES(0, 3, 30);
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INSERT INTO edge VALUES(2, 4, 40);
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INSERT INTO edge VALUES(3, 4, 40);
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INSERT INTO edge VALUES(2, 5, 50);
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INSERT INTO edge VALUES(3, 6, 60);
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INSERT INTO edge VALUES(5, 7, 70);
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INSERT INTO edge VALUES(3, 7, 70);
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INSERT INTO edge VALUES(4, 8, 80);
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INSERT INTO edge VALUES(7, 8, 80);
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INSERT INTO edge VALUES(8, 9, 90);
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WITH RECURSIVE
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ancest(id, mtime) AS
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(VALUES(0, 0)
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UNION
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SELECT edge.xto, edge.seq FROM edge, ancest
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WHERE edge.xfrom=ancest.id
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ORDER BY 2
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)
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SELECT * FROM ancest;
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} {0 0 1 10 2 20 3 30 4 40 5 50 6 60 7 70 8 80 9 90}
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do_execsql_test 5.2.2 {
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WITH RECURSIVE
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ancest(id, mtime) AS
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(VALUES(0, 0)
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UNION ALL
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SELECT edge.xto, edge.seq FROM edge, ancest
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WHERE edge.xfrom=ancest.id
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ORDER BY 2
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)
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SELECT * FROM ancest;
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} {0 0 1 10 2 20 3 30 4 40 4 40 5 50 6 60 7 70 7 70 8 80 8 80 8 80 8 80 9 90 9 90 9 90 9 90}
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do_execsql_test 5.2.3 {
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WITH RECURSIVE
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ancest(id, mtime) AS
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(VALUES(0, 0)
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UNION ALL
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SELECT edge.xto, edge.seq FROM edge, ancest
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WHERE edge.xfrom=ancest.id
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ORDER BY 2 LIMIT 4 OFFSET 2
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)
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SELECT * FROM ancest;
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} {2 20 3 30 4 40 4 40}
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do_catchsql_test 5.3 {
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WITH i(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM i LIMIT 5)
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SELECT x FROM i;
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} {0 {1 2 3 4 5}}
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do_execsql_test 5.4 {
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WITH i(x) AS ( VALUES(1) UNION ALL SELECT (x+1)%10 FROM i)
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SELECT x FROM i LIMIT 20;
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} {1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0}
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do_execsql_test 5.5 {
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WITH i(x) AS ( VALUES(1) UNION SELECT (x+1)%10 FROM i)
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SELECT x FROM i LIMIT 20;
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} {1 2 3 4 5 6 7 8 9 0}
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do_catchsql_test 5.6.1 {
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WITH i(x, y) AS ( VALUES(1) )
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SELECT * FROM i;
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} {1 {table i has 1 values for 2 columns}}
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do_catchsql_test 5.6.2 {
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WITH i(x) AS ( VALUES(1,2) )
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SELECT * FROM i;
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} {1 {table i has 2 values for 1 columns}}
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do_catchsql_test 5.6.3 {
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CREATE TABLE t5(a, b);
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WITH i(x) AS ( SELECT * FROM t5 )
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SELECT * FROM i;
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} {1 {table i has 2 values for 1 columns}}
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do_catchsql_test 5.6.4 {
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WITH i(x) AS ( SELECT 1, 2 UNION ALL SELECT 1 )
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SELECT * FROM i;
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} {1 {table i has 2 values for 1 columns}}
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do_catchsql_test 5.6.5 {
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WITH i(x) AS ( SELECT 1 UNION ALL SELECT 1, 2 )
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SELECT * FROM i;
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} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
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do_catchsql_test 5.6.6 {
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WITH i(x) AS ( SELECT 1 UNION ALL SELECT x+1, x*2 FROM i )
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SELECT * FROM i;
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} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
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do_catchsql_test 5.6.7 {
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WITH i(x) AS ( SELECT 1, 2 UNION SELECT x+1 FROM i )
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SELECT * FROM i;
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} {1 {table i has 2 values for 1 columns}}
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#-------------------------------------------------------------------------
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#
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do_execsql_test 6.1 {
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CREATE TABLE f(
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id INTEGER PRIMARY KEY, parentid REFERENCES f, name TEXT
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);
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INSERT INTO f VALUES(0, NULL, '');
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INSERT INTO f VALUES(1, 0, 'bin');
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INSERT INTO f VALUES(2, 1, 'true');
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INSERT INTO f VALUES(3, 1, 'false');
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INSERT INTO f VALUES(4, 1, 'ls');
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INSERT INTO f VALUES(5, 1, 'grep');
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INSERT INTO f VALUES(6, 0, 'etc');
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INSERT INTO f VALUES(7, 6, 'rc.d');
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INSERT INTO f VALUES(8, 7, 'rc.apache');
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INSERT INTO f VALUES(9, 7, 'rc.samba');
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INSERT INTO f VALUES(10, 0, 'home');
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INSERT INTO f VALUES(11, 10, 'dan');
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INSERT INTO f VALUES(12, 11, 'public_html');
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INSERT INTO f VALUES(13, 12, 'index.html');
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INSERT INTO f VALUES(14, 13, 'logo.gif');
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}
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do_execsql_test 6.2 {
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WITH flat(fid, fpath) AS (
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SELECT id, '' FROM f WHERE parentid IS NULL
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UNION ALL
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SELECT id, fpath || '/' || name FROM f, flat WHERE parentid=fid
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)
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SELECT fpath FROM flat WHERE fpath!='' ORDER BY 1;
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} {
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/bin
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/bin/false /bin/grep /bin/ls /bin/true
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/etc
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/etc/rc.d
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/etc/rc.d/rc.apache /etc/rc.d/rc.samba
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/home
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/home/dan
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/home/dan/public_html
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/home/dan/public_html/index.html
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/home/dan/public_html/index.html/logo.gif
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}
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do_execsql_test 6.3 {
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WITH flat(fid, fpath) AS (
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SELECT id, '' FROM f WHERE parentid IS NULL
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UNION ALL
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SELECT id, fpath || '/' || name FROM f, flat WHERE parentid=fid
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)
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SELECT count(*) FROM flat;
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} {15}
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do_execsql_test 6.4 {
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WITH x(i) AS (
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SELECT 1
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UNION ALL
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SELECT i+1 FROM x WHERE i<10
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)
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SELECT count(*) FROM x
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} {10}
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#-------------------------------------------------------------------------
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do_execsql_test 7.1 {
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CREATE TABLE tree(i, p);
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INSERT INTO tree VALUES(1, NULL);
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INSERT INTO tree VALUES(2, 1);
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INSERT INTO tree VALUES(3, 1);
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INSERT INTO tree VALUES(4, 2);
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INSERT INTO tree VALUES(5, 4);
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}
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do_execsql_test 7.2 {
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WITH t(id, path) AS (
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SELECT i, '' FROM tree WHERE p IS NULL
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UNION ALL
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SELECT i, path || '/' || i FROM tree, t WHERE p = id
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)
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SELECT path FROM t;
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} {{} /2 /3 /2/4 /2/4/5}
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do_execsql_test 7.3 {
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WITH t(id) AS (
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VALUES(2)
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UNION ALL
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SELECT i FROM tree, t WHERE p = id
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)
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SELECT id FROM t;
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} {2 4 5}
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do_catchsql_test 7.4 {
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WITH t(id) AS (
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VALUES(2)
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UNION ALL
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SELECT i FROM tree WHERE p IN (SELECT id FROM t)
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)
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SELECT id FROM t;
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} {1 {recursive reference in a subquery: t}}
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do_catchsql_test 7.5 {
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WITH t(id) AS (
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VALUES(2)
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UNION ALL
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SELECT i FROM tree, t WHERE p = id AND p IN (SELECT id FROM t)
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)
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SELECT id FROM t;
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} {1 {multiple recursive references: t}}
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do_catchsql_test 7.6 {
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WITH t(id) AS (
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SELECT i FROM tree WHERE 2 IN (SELECT id FROM t)
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UNION ALL
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SELECT i FROM tree, t WHERE p = id
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)
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SELECT id FROM t;
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} {1 {circular reference: t}}
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# Compute the mandelbrot set using a recursive query
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#
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do_execsql_test 8.1-mandelbrot {
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WITH RECURSIVE
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xaxis(x) AS (VALUES(-2.0) UNION ALL SELECT x+0.05 FROM xaxis WHERE x<1.2),
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yaxis(y) AS (VALUES(-1.0) UNION ALL SELECT y+0.1 FROM yaxis WHERE y<1.0),
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m(iter, cx, cy, x, y) AS (
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SELECT 0, x, y, 0.0, 0.0 FROM xaxis, yaxis
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UNION ALL
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SELECT iter+1, cx, cy, x*x-y*y + cx, 2.0*x*y + cy FROM m
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WHERE (x*x + y*y) < 4.0 AND iter<28
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),
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m2(iter, cx, cy) AS (
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SELECT max(iter), cx, cy FROM m GROUP BY cx, cy
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),
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a(t) AS (
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SELECT group_concat( substr(' .+*#', 1+min(iter/7,4), 1), '')
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FROM m2 GROUP BY cy
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)
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SELECT group_concat(rtrim(t),x'0a') FROM a;
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} {{ ....#
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..#*..
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..+####+.
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.......+####.... +
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..##+*##########+.++++
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.+.##################+.
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.............+###################+.+
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..++..#.....*#####################+.
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...+#######++#######################.
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....+*################################.
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#############################################...
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....+*################################.
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...+#######++#######################.
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..++..#.....*#####################+.
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.............+###################+.+
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.+.##################+.
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..##+*##########+.++++
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.......+####.... +
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..+####+.
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..#*..
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....#
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+.}}
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# Solve a sudoku puzzle using a recursive query
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#
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do_execsql_test 8.2-soduko {
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WITH RECURSIVE
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input(sud) AS (
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VALUES('53..7....6..195....98....6.8...6...34..8.3..17...2...6.6....28....419..5....8..79')
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),
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/* A table filled with digits 1..9, inclusive. */
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digits(z, lp) AS (
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VALUES('1', 1)
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UNION ALL SELECT
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CAST(lp+1 AS TEXT), lp+1 FROM digits WHERE lp<9
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),
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/* The tricky bit. */
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x(s, ind) AS (
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SELECT sud, instr(sud, '.') FROM input
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UNION ALL
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SELECT
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substr(s, 1, ind-1) || z || substr(s, ind+1),
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instr( substr(s, 1, ind-1) || z || substr(s, ind+1), '.' )
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FROM x, digits AS z
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WHERE ind>0
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AND NOT EXISTS (
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SELECT 1
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FROM digits AS lp
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WHERE z.z = substr(s, ((ind-1)/9)*9 + lp, 1)
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OR z.z = substr(s, ((ind-1)%9) + (lp-1)*9 + 1, 1)
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OR z.z = substr(s, (((ind-1)/3) % 3) * 3
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+ ((ind-1)/27) * 27 + lp
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+ ((lp-1) / 3) * 6, 1)
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)
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)
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SELECT s FROM x WHERE ind=0;
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} {534678912672195348198342567859761423426853791713924856961537284287419635345286179}
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#--------------------------------------------------------------------------
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# Some tests that use LIMIT and OFFSET in the definition of recursive CTEs.
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#
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set I [list 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20]
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proc limit_test {tn iLimit iOffset} {
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if {$iOffset < 0} { set iOffset 0 }
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if {$iLimit < 0 } {
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set result [lrange $::I $iOffset end]
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} else {
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set result [lrange $::I $iOffset [expr $iLimit+$iOffset-1]]
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}
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uplevel [list do_execsql_test $tn [subst -nocommands {
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WITH ii(a) AS (
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VALUES(1)
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UNION ALL
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SELECT a+1 FROM ii WHERE a<20
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LIMIT $iLimit OFFSET $iOffset
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)
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SELECT * FROM ii
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}] $result]
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}
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limit_test 9.1 20 0
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limit_test 9.2 0 0
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limit_test 9.3 19 1
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limit_test 9.4 20 -1
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limit_test 9.5 5 5
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limit_test 9.6 0 -1
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limit_test 9.7 40 -1
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limit_test 9.8 -1 -1
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limit_test 9.9 -1 -1
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#--------------------------------------------------------------------------
|
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# Test the ORDER BY clause on recursive tables.
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#
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do_execsql_test 10.1 {
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DROP TABLE IF EXISTS tree;
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CREATE TABLE tree(id INTEGER PRIMARY KEY, parentid, payload);
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}
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|
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proc insert_into_tree {L} {
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db eval { DELETE FROM tree }
|
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foreach key $L {
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unset -nocomplain parentid
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foreach seg [split $key /] {
|
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if {$seg==""} continue
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set id [db one {
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SELECT id FROM tree WHERE parentid IS $parentid AND payload=$seg
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}]
|
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if {$id==""} {
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db eval { INSERT INTO tree VALUES(NULL, $parentid, $seg) }
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set parentid [db last_insert_rowid]
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} else {
|
|
set parentid $id
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
insert_into_tree {
|
|
/a/a/a
|
|
/a/b/c
|
|
/a/b/c/d
|
|
/a/b/d
|
|
}
|
|
do_execsql_test 10.2 {
|
|
WITH flat(fid, p) AS (
|
|
SELECT id, '/' || payload FROM tree WHERE parentid IS NULL
|
|
UNION ALL
|
|
SELECT id, p || '/' || payload FROM flat, tree WHERE parentid=fid
|
|
)
|
|
SELECT p FROM flat ORDER BY p;
|
|
} {
|
|
/a /a/a /a/a/a
|
|
/a/b /a/b/c /a/b/c/d
|
|
/a/b/d
|
|
}
|
|
|
|
# Scan the tree-structure currently stored in table tree. Return a list
|
|
# of nodes visited.
|
|
#
|
|
proc scan_tree {bDepthFirst bReverse} {
|
|
|
|
set order "ORDER BY "
|
|
if {$bDepthFirst==0} { append order "2 ASC," }
|
|
if {$bReverse==0} {
|
|
append order " 3 ASC"
|
|
} else {
|
|
append order " 3 DESC"
|
|
}
|
|
|
|
db eval "
|
|
WITH flat(fid, depth, p) AS (
|
|
SELECT id, 1, '/' || payload FROM tree WHERE parentid IS NULL
|
|
UNION ALL
|
|
SELECT id, depth+1, p||'/'||payload FROM flat, tree WHERE parentid=fid
|
|
$order
|
|
)
|
|
SELECT p FROM flat;
|
|
"
|
|
}
|
|
|
|
insert_into_tree {
|
|
/a/b
|
|
/a/b/c
|
|
/a/d
|
|
/a/d/e
|
|
/a/d/f
|
|
/g/h
|
|
}
|
|
|
|
# Breadth first, siblings in ascending order.
|
|
#
|
|
do_test 10.3 {
|
|
scan_tree 0 0
|
|
} [list {*}{
|
|
/a /g
|
|
/a/b /a/d /g/h
|
|
/a/b/c /a/d/e /a/d/f
|
|
}]
|
|
|
|
# Depth first, siblings in ascending order.
|
|
#
|
|
do_test 10.4 {
|
|
scan_tree 1 0
|
|
} [list {*}{
|
|
/a /a/b /a/b/c
|
|
/a/d /a/d/e
|
|
/a/d/f
|
|
/g /g/h
|
|
}]
|
|
|
|
# Breadth first, siblings in descending order.
|
|
#
|
|
do_test 10.5 {
|
|
scan_tree 0 1
|
|
} [list {*}{
|
|
/g /a
|
|
/g/h /a/d /a/b
|
|
/a/d/f /a/d/e /a/b/c
|
|
}]
|
|
|
|
# Depth first, siblings in ascending order.
|
|
#
|
|
do_test 10.6 {
|
|
scan_tree 1 1
|
|
} [list {*}{
|
|
/g /g/h
|
|
/a /a/d /a/d/f
|
|
/a/d/e
|
|
/a/b /a/b/c
|
|
}]
|
|
|
|
|
|
# Test name resolution in ORDER BY clauses.
|
|
#
|
|
do_catchsql_test 10.7.1 {
|
|
WITH t(a) AS (
|
|
SELECT 1 AS b UNION ALL SELECT a+1 AS c FROM t WHERE a<5 ORDER BY a
|
|
)
|
|
SELECT * FROM t
|
|
} {1 {1st ORDER BY term does not match any column in the result set}}
|
|
do_execsql_test 10.7.2 {
|
|
WITH t(a) AS (
|
|
SELECT 1 AS b UNION ALL SELECT a+1 AS c FROM t WHERE a<5 ORDER BY b
|
|
)
|
|
SELECT * FROM t
|
|
} {1 2 3 4 5}
|
|
do_execsql_test 10.7.3 {
|
|
WITH t(a) AS (
|
|
SELECT 1 AS b UNION ALL SELECT a+1 AS c FROM t WHERE a<5 ORDER BY c
|
|
)
|
|
SELECT * FROM t
|
|
} {1 2 3 4 5}
|
|
|
|
# Test COLLATE clauses attached to ORDER BY.
|
|
#
|
|
insert_into_tree {
|
|
/a/b
|
|
/a/C
|
|
/a/d
|
|
/B/e
|
|
/B/F
|
|
/B/g
|
|
/c/h
|
|
/c/I
|
|
/c/j
|
|
}
|
|
|
|
do_execsql_test 10.8.1 {
|
|
WITH flat(fid, depth, p) AS (
|
|
SELECT id, 1, '/' || payload FROM tree WHERE parentid IS NULL
|
|
UNION ALL
|
|
SELECT id, depth+1, p||'/'||payload FROM flat, tree WHERE parentid=fid
|
|
ORDER BY 2, 3 COLLATE nocase
|
|
)
|
|
SELECT p FROM flat;
|
|
} {
|
|
/a /B /c
|
|
/a/b /a/C /a/d /B/e /B/F /B/g /c/h /c/I /c/j
|
|
}
|
|
do_execsql_test 10.8.2 {
|
|
WITH flat(fid, depth, p) AS (
|
|
SELECT id, 1, ('/' || payload) COLLATE nocase
|
|
FROM tree WHERE parentid IS NULL
|
|
UNION ALL
|
|
SELECT id, depth+1, (p||'/'||payload)
|
|
FROM flat, tree WHERE parentid=fid
|
|
ORDER BY 2, 3
|
|
)
|
|
SELECT p FROM flat;
|
|
} {
|
|
/a /B /c
|
|
/a/b /a/C /a/d /B/e /B/F /B/g /c/h /c/I /c/j
|
|
}
|
|
|
|
do_execsql_test 10.8.3 {
|
|
WITH flat(fid, depth, p) AS (
|
|
SELECT id, 1, ('/' || payload)
|
|
FROM tree WHERE parentid IS NULL
|
|
UNION ALL
|
|
SELECT id, depth+1, (p||'/'||payload) COLLATE nocase
|
|
FROM flat, tree WHERE parentid=fid
|
|
ORDER BY 2, 3
|
|
)
|
|
SELECT p FROM flat;
|
|
} {
|
|
/a /B /c
|
|
/a/b /a/C /a/d /B/e /B/F /B/g /c/h /c/I /c/j
|
|
}
|
|
|
|
do_execsql_test 10.8.4.1 {
|
|
CREATE TABLE tst(a,b);
|
|
INSERT INTO tst VALUES('a', 'A');
|
|
INSERT INTO tst VALUES('b', 'B');
|
|
INSERT INTO tst VALUES('c', 'C');
|
|
SELECT a COLLATE nocase FROM tst UNION ALL SELECT b FROM tst ORDER BY 1;
|
|
} {a A b B c C}
|
|
do_execsql_test 10.8.4.2 {
|
|
SELECT a FROM tst UNION ALL SELECT b COLLATE nocase FROM tst ORDER BY 1;
|
|
} {A B C a b c}
|
|
do_execsql_test 10.8.4.3 {
|
|
SELECT a||'' FROM tst UNION ALL SELECT b COLLATE nocase FROM tst ORDER BY 1;
|
|
} {a A b B c C}
|
|
|
|
# Test cases to illustrate on the ORDER BY clause on a recursive query can be
|
|
# used to control depth-first versus breath-first search in a tree.
|
|
#
|
|
do_execsql_test 11.1 {
|
|
CREATE TABLE org(
|
|
name TEXT PRIMARY KEY,
|
|
boss TEXT REFERENCES org
|
|
) WITHOUT ROWID;
|
|
INSERT INTO org VALUES('Alice',NULL);
|
|
INSERT INTO org VALUES('Bob','Alice');
|
|
INSERT INTO org VALUES('Cindy','Alice');
|
|
INSERT INTO org VALUES('Dave','Bob');
|
|
INSERT INTO org VALUES('Emma','Bob');
|
|
INSERT INTO org VALUES('Fred','Cindy');
|
|
INSERT INTO org VALUES('Gail','Cindy');
|
|
INSERT INTO org VALUES('Harry','Dave');
|
|
INSERT INTO org VALUES('Ingrid','Dave');
|
|
INSERT INTO org VALUES('Jim','Emma');
|
|
INSERT INTO org VALUES('Kate','Emma');
|
|
INSERT INTO org VALUES('Lanny','Fred');
|
|
INSERT INTO org VALUES('Mary','Fred');
|
|
INSERT INTO org VALUES('Noland','Gail');
|
|
INSERT INTO org VALUES('Olivia','Gail');
|
|
-- The above are all under Alice. Add a few more records for people
|
|
-- not in Alice's group, just to prove that they won't be selected.
|
|
INSERT INTO org VALUES('Xaviar',NULL);
|
|
INSERT INTO org VALUES('Xia','Xaviar');
|
|
INSERT INTO org VALUES('Xerxes','Xaviar');
|
|
INSERT INTO org VALUES('Xena','Xia');
|
|
-- Find all members of Alice's group, breath-first order
|
|
WITH RECURSIVE
|
|
under_alice(name,level) AS (
|
|
VALUES('Alice','0')
|
|
UNION ALL
|
|
SELECT org.name, under_alice.level+1
|
|
FROM org, under_alice
|
|
WHERE org.boss=under_alice.name
|
|
ORDER BY 2
|
|
)
|
|
SELECT group_concat(substr('...............',1,level*3) || name,x'0a')
|
|
FROM under_alice;
|
|
} {{Alice
|
|
...Bob
|
|
...Cindy
|
|
......Dave
|
|
......Emma
|
|
......Fred
|
|
......Gail
|
|
.........Harry
|
|
.........Ingrid
|
|
.........Jim
|
|
.........Kate
|
|
.........Lanny
|
|
.........Mary
|
|
.........Noland
|
|
.........Olivia}}
|
|
|
|
# The previous query used "ORDER BY level" to yield a breath-first search.
|
|
# Change that to "ORDER BY level DESC" for a depth-first search.
|
|
#
|
|
do_execsql_test 11.2 {
|
|
WITH RECURSIVE
|
|
under_alice(name,level) AS (
|
|
VALUES('Alice','0')
|
|
UNION ALL
|
|
SELECT org.name, under_alice.level+1
|
|
FROM org, under_alice
|
|
WHERE org.boss=under_alice.name
|
|
ORDER BY 2 DESC
|
|
)
|
|
SELECT group_concat(substr('...............',1,level*3) || name,x'0a')
|
|
FROM under_alice;
|
|
} {{Alice
|
|
...Bob
|
|
......Dave
|
|
.........Harry
|
|
.........Ingrid
|
|
......Emma
|
|
.........Jim
|
|
.........Kate
|
|
...Cindy
|
|
......Fred
|
|
.........Lanny
|
|
.........Mary
|
|
......Gail
|
|
.........Noland
|
|
.........Olivia}}
|
|
|
|
# Without an ORDER BY clause, the recursive query should use a FIFO,
|
|
# resulting in a breath-first search.
|
|
#
|
|
do_execsql_test 11.3 {
|
|
WITH RECURSIVE
|
|
under_alice(name,level) AS (
|
|
VALUES('Alice','0')
|
|
UNION ALL
|
|
SELECT org.name, under_alice.level+1
|
|
FROM org, under_alice
|
|
WHERE org.boss=under_alice.name
|
|
)
|
|
SELECT group_concat(substr('...............',1,level*3) || name,x'0a')
|
|
FROM under_alice;
|
|
} {{Alice
|
|
...Bob
|
|
...Cindy
|
|
......Dave
|
|
......Emma
|
|
......Fred
|
|
......Gail
|
|
.........Harry
|
|
.........Ingrid
|
|
.........Jim
|
|
.........Kate
|
|
.........Lanny
|
|
.........Mary
|
|
.........Noland
|
|
.........Olivia}}
|
|
|
|
#--------------------------------------------------------------------------
|
|
# Ticket [31a19d11b97088296ac104aaff113a9790394927] (2014-02-09)
|
|
# Name resolution issue with compound SELECTs and Common Table Expressions
|
|
#
|
|
do_execsql_test 12.1 {
|
|
WITH RECURSIVE
|
|
t1(x) AS (VALUES(2) UNION ALL SELECT x+2 FROM t1 WHERE x<20),
|
|
t2(y) AS (VALUES(3) UNION ALL SELECT y+3 FROM t2 WHERE y<20)
|
|
SELECT x FROM t1 EXCEPT SELECT y FROM t2 ORDER BY 1;
|
|
} {2 4 8 10 14 16 20}
|
|
|
|
# 2015-03-21
|
|
# Column wildcards on the LHS of a recursive table expression
|
|
#
|
|
do_catchsql_test 13.1 {
|
|
WITH RECURSIVE c(i) AS (SELECT * UNION ALL SELECT i+1 FROM c WHERE i<10)
|
|
SELECT i FROM c;
|
|
} {1 {no tables specified}}
|
|
do_catchsql_test 13.2 {
|
|
WITH RECURSIVE c(i) AS (SELECT 5,* UNION ALL SELECT i+1 FROM c WHERE i<10)
|
|
SELECT i FROM c;
|
|
} {1 {no tables specified}}
|
|
do_catchsql_test 13.3 {
|
|
WITH RECURSIVE c(i,j) AS (SELECT 5,* UNION ALL SELECT i+1,11 FROM c WHERE i<10)
|
|
SELECT i FROM c;
|
|
} {1 {table c has 1 values for 2 columns}}
|
|
|
|
# 2015-04-12
|
|
#
|
|
do_execsql_test 14.1 {
|
|
WITH x AS (SELECT * FROM t) SELECT 0 EXCEPT SELECT 0 ORDER BY 1 COLLATE binary;
|
|
} {}
|
|
|
|
# 2015-05-27: Do not allow rowid usage within a CTE
|
|
#
|
|
do_catchsql_test 15.1 {
|
|
WITH RECURSIVE
|
|
d(x) AS (VALUES(1) UNION ALL SELECT rowid+1 FROM d WHERE rowid<10)
|
|
SELECT x FROM d;
|
|
} {1 {no such column: rowid}}
|
|
|
|
# 2015-07-05: Do not allow aggregate recursive queries
|
|
#
|
|
do_catchsql_test 16.1 {
|
|
WITH RECURSIVE
|
|
i(x) AS (VALUES(1) UNION SELECT count(*) FROM i)
|
|
SELECT * FROM i;
|
|
} {1 {recursive aggregate queries not supported}}
|
|
|
|
# Or window-function recursive queries. Ticket e8275b41.
|
|
#
|
|
ifcapable windowfunc {
|
|
do_catchsql_test 16.2 {
|
|
WITH RECURSIVE
|
|
i(x) AS (VALUES(1) UNION SELECT count(*) OVER () FROM i)
|
|
SELECT * FROM i;
|
|
} {1 {cannot use window functions in recursive queries}}
|
|
do_catchsql_test 16.3 {
|
|
WITH RECURSIVE
|
|
t(id, parent) AS (VALUES(1,2)),
|
|
q(id, parent, rn) AS (
|
|
VALUES(1,2,3)
|
|
UNION ALL
|
|
SELECT t.*, ROW_NUMBER() OVER (ORDER BY t.id) AS rn
|
|
FROM q JOIN t ON t.parent = q.id
|
|
)
|
|
SELECT * FROM q;
|
|
} {1 {cannot use window functions in recursive queries}}
|
|
}
|
|
|
|
#-------------------------------------------------------------------------
|
|
do_execsql_test 17.1 {
|
|
WITH x(a) AS (
|
|
WITH y(b) AS (SELECT 10)
|
|
SELECT 9 UNION ALL SELECT * FROM y
|
|
)
|
|
SELECT * FROM x
|
|
} {9 10}
|
|
|
|
do_execsql_test 17.2 {
|
|
WITH x AS (
|
|
WITH y(b) AS (SELECT 10)
|
|
SELECT * FROM y UNION ALL SELECT * FROM y
|
|
)
|
|
SELECT * FROM x
|
|
} {10 10}
|
|
|
|
do_test 17.2 {
|
|
db eval {
|
|
WITH x AS (
|
|
WITH y(b) AS (SELECT 10)
|
|
SELECT * FROM y UNION ALL SELECT * FROM y
|
|
)
|
|
SELECT * FROM x
|
|
} A {
|
|
# no op
|
|
}
|
|
set A(*)
|
|
} {b}
|
|
|
|
do_catchsql_test 17.3 {
|
|
WITH i AS (
|
|
WITH j AS (SELECT 5)
|
|
SELECT 5 FROM i UNION SELECT 8 FROM i
|
|
)
|
|
SELECT * FROM i;
|
|
} {1 {circular reference: i}}
|
|
|
|
do_catchsql_test 17.4 {
|
|
WITH i AS (
|
|
WITH j AS (SELECT 5)
|
|
SELECT 5 FROM t1 UNION SELECT 8 FROM t11
|
|
)
|
|
SELECT * FROM i;
|
|
} {1 {no such table: t11}}
|
|
|
|
do_execsql_test 17.5 {
|
|
WITH
|
|
x1 AS (SELECT 10),
|
|
x2 AS (SELECT * FROM x1),
|
|
x3 AS (
|
|
WITH x1 AS (SELECT 11)
|
|
SELECT * FROM x2 UNION ALL SELECT * FROM x2
|
|
)
|
|
SELECT * FROM x3;
|
|
} {10 10}
|
|
|
|
do_execsql_test 17.6 {
|
|
WITH
|
|
x1 AS (SELECT 10),
|
|
x2 AS (SELECT * FROM x1),
|
|
x3 AS (
|
|
WITH x1 AS (SELECT 11)
|
|
SELECT * FROM x2 UNION ALL SELECT * FROM x1
|
|
)
|
|
SELECT * FROM x3;
|
|
} {10 11}
|
|
|
|
do_execsql_test 17.7 {
|
|
WITH
|
|
x1 AS (SELECT 10),
|
|
x2 AS (SELECT * FROM x1),
|
|
x3 AS (
|
|
WITH
|
|
x1 AS ( SELECT 11 ),
|
|
x4 AS ( SELECT * FROM x2 )
|
|
SELECT * FROM x4 UNION ALL SELECT * FROM x1
|
|
)
|
|
SELECT * FROM x3;
|
|
} {10 11}
|
|
|
|
do_execsql_test 17.8 {
|
|
WITH
|
|
x1 AS (SELECT 10),
|
|
x2 AS (SELECT * FROM x1),
|
|
x3 AS (
|
|
WITH
|
|
x1 AS ( SELECT 11 ),
|
|
x4 AS ( SELECT * FROM x2 )
|
|
SELECT * FROM x4 UNION ALL SELECT * FROM x1
|
|
)
|
|
SELECT * FROM x3;
|
|
} {10 11}
|
|
|
|
do_execsql_test 17.9 {
|
|
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}
|
|
|
|
# Added to test a fix to a faulty assert() discovered by libFuzzer.
|
|
#
|
|
do_execsql_test 18.1 {
|
|
WITH xyz(x) AS (VALUES(NULL) UNION SELECT round(1<x) FROM xyz ORDER BY 1)
|
|
SELECT quote(x) FROM xyz;
|
|
} {NULL}
|
|
do_execsql_test 18.2 {
|
|
WITH xyz(x) AS (
|
|
SELECT printf('%d', 5) * NULL
|
|
UNION SELECT round(1<1+x)
|
|
FROM xyz ORDER BY 1
|
|
)
|
|
SELECT 1 FROM xyz;
|
|
} 1
|
|
|
|
# EXPLAIN QUERY PLAN on a self-join of a CTE
|
|
#
|
|
do_execsql_test 19.1a {
|
|
DROP TABLE IF EXISTS t1;
|
|
CREATE TABLE t1(x);
|
|
}
|
|
do_eqp_test 19.1b {
|
|
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;
|
|
} {
|
|
QUERY PLAN
|
|
|--MATERIALIZE xxxxxx
|
|
| `--SCAN CONSTANT ROW
|
|
|--SCAN SUBQUERY xxxxxx
|
|
`--SCAN SUBQUERY xxxxxx
|
|
}
|
|
|
|
# 2017-10-28.
|
|
# See check-in https://sqlite.org/src/info/0926df095faf72c2
|
|
# Tried to optimize co-routine processing by changing a Copy opcode
|
|
# into SCopy. But OSSFuzz found two (similar) cases where that optimization
|
|
# does not work.
|
|
#
|
|
do_execsql_test 20.1 {
|
|
WITH c(i)AS(VALUES(9)UNION SELECT~i FROM c)SELECT max(5)>i fROM c;
|
|
} {0}
|
|
do_execsql_test 20.2 {
|
|
WITH c(i)AS(VALUES(5)UNIoN SELECT 0)SELECT min(1)-i fROM c;
|
|
} {1}
|
|
|
|
# 2018-12-26
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# Two different CTE tables with the same name appear in within a single FROM
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# clause due to the query-flattener optimization. make sure this does not cause
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# problems. This problem was discovered by Matt Denton.
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#
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do_execsql_test 21.1 {
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WITH RECURSIVE t21(a,b) AS (
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WITH t21(x) AS (VALUES(1))
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SELECT x, x FROM t21 ORDER BY 1
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)
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SELECT * FROM t21 AS tA, t21 AS tB
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} {1 1 1 1}
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do_execsql_test 21.1b {
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/* This variant from chromium bug 922312 on 2019-01-16 */
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WITH RECURSIVE t21(a,b) AS (
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WITH t21(x) AS (VALUES(1))
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SELECT x, x FROM t21 ORDER BY 1 LIMIT 5
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)
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SELECT * FROM t21 AS tA, t21 AS tB
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} {1 1 1 1}
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do_execsql_test 21.2 {
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SELECT printf('',
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EXISTS (WITH RECURSIVE Table0 AS (WITH Table0 AS (SELECT DISTINCT 1)
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SELECT *, * FROM Table0 ORDER BY 1 DESC)
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SELECT * FROM Table0 NATURAL JOIN Table0));
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} {{}}
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# 2019-01-17
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# Make sure crazy nexted CTE joins terminate with an error quickly.
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#
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do_catchsql_test 22.1 {
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|
WITH RECURSIVE c AS (
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|
WITH RECURSIVE c AS (
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|
WITH RECURSIVE c AS (
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|
WITH RECURSIVE c AS (
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|
WITH c AS (VALUES(0))
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|
SELECT 1 FROM c LEFT JOIN c ON ltrim(1)
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|
)
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|
SELECT 1 FROM c,c,c,c,c,c,c,c,c
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)
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SELECT 2 FROM c,c,c,c,c,c,c,c,c
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)
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SELECT 3 FROM c,c,c,c,c,c,c,c,c
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)
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SELECT 4 FROM c,c,c,c,c,c,c,c,c;
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} {1 {too many FROM clause terms, max: 200}}
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|
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|
# 2019-05-22
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|
# ticket https://www.sqlite.org/src/tktview/ce823231949d3abf42453c8f20
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|
#
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|
sqlite3 db :memory:
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|
do_execsql_test 23.1 {
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|
CREATE TABLE t1(id INTEGER NULL PRIMARY KEY, name Text);
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INSERT INTO t1 VALUES (1, 'john');
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INSERT INTO t1 VALUES (2, 'james');
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INSERT INTO t1 VALUES (3, 'jingle');
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INSERT INTO t1 VALUES (4, 'himer');
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INSERT INTO t1 VALUES (5, 'smith');
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CREATE VIEW v2 AS
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|
WITH t4(Name) AS (VALUES ('A'), ('B'))
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|
SELECT Name Name FROM t4;
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|
CREATE VIEW v3 AS
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|
WITH t4(Att, Val, Act) AS (VALUES
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|
('C', 'D', 'E'),
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|
('F', 'G', 'H')
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|
)
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|
SELECT D.Id Id, P.Name Protocol, T.Att Att, T.Val Val, T.Act Act
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|
FROM t1 D
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|
CROSS JOIN v2 P
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|
CROSS JOIN t4 T;
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|
SELECT * FROM v3;
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|
} {1 A C D E 1 A F G H 1 B C D E 1 B F G H 2 A C D E 2 A F G H 2 B C D E 2 B F G H 3 A C D E 3 A F G H 3 B C D E 3 B F G H 4 A C D E 4 A F G H 4 B C D E 4 B F G H 5 A C D E 5 A F G H 5 B C D E 5 B F G H}
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|
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|
#-------------------------------------------------------------------------
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|
reset_db
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|
do_execsql_test 24.1 {
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|
CREATE TABLE t1(a, b, c);
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|
CREATE VIEW v1 AS SELECT max(a), min(b) FROM t1 GROUP BY c;
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|
}
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|
do_test 24.1 {
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|
set program [db eval {EXPLAIN SELECT 1 FROM v1,v1,v1}]
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|
expr [lsearch $program OpenDup]>0
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|
} {1}
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|
do_execsql_test 24.2 {
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|
ATTACH "" AS aux;
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|
CREATE VIEW aux.v3 AS VALUES(1);
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|
CREATE VIEW main.v3 AS VALUES(3);
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|
|
|
CREATE VIEW aux.v2 AS SELECT * FROM v3;
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|
CREATE VIEW main.v2 AS SELECT * FROM v3;
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|
|
|
SELECT * FROM main.v2 AS a, aux.v2 AS b, aux.v2 AS c, main.v2 AS d;
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|
} {
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|
3 1 1 3
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|
}
|
|
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|
finish_test
|