456 lines
12 KiB
Plaintext
456 lines
12 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 {
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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 {
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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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finish_test
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