454 lines
12 KiB
Plaintext
454 lines
12 KiB
Plaintext
# 2020-12-16
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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 flattening UNION ALL sub-queries.
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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 unionall
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do_execsql_test 1.0 {
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CREATE TABLE t1_a(a INTEGER PRIMARY KEY, b TEXT);
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CREATE TABLE t1_b(c INTEGER PRIMARY KEY, d TEXT);
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CREATE TABLE t1_c(e INTEGER PRIMARY KEY, f TEXT);
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INSERT INTO t1_a VALUES(1, 'one'), (4, 'four');
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INSERT INTO t1_b VALUES(2, 'two'), (5, 'five');
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INSERT INTO t1_c VALUES(3, 'three'), (6, 'six');
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CREATE VIEW t1 AS
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SELECT a, b FROM t1_a UNION ALL
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SELECT c, d FROM t1_b UNION ALL
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SELECT e, f FROM t1_c;
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CREATE TABLE i1(x);
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INSERT INTO i1 VALUES(2), (5), (6), (1);
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}
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do_execsql_test 1.1 {
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SELECT a, b FROM (
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SELECT a, b FROM t1_a UNION ALL
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SELECT c, d FROM t1_b UNION ALL
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SELECT e, f FROM t1_c
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) ORDER BY a
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} {
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1 one 2 two 3 three 4 four 5 five 6 six
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}
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do_execsql_test 1.2 {
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SELECT a, b FROM t1 ORDER BY a
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} {
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1 one 2 two 3 three 4 four 5 five 6 six
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}
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do_execsql_test 1.3 {
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SELECT a, b FROM i1, t1 WHERE a=x ORDER BY a
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} {1 one 2 two 5 five 6 six}
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# 2022-10-31 part of ticket 57c47526c34f01e8
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# The queries below were causing an assertion fault in
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# the comparison operators of the VDBE.
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#
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reset_db
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database_never_corrupt
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optimization_control db all 0
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do_execsql_test 1.10 {
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CREATE TABLE t0(c0 INT);
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INSERT INTO t0 VALUES(0);
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CREATE TABLE t1_a(a INTEGER PRIMARY KEY, b TEXT);
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INSERT INTO t1_a VALUES(1,'one');
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CREATE TABLE t1_b(c INTEGER PRIMARY KEY, d TEXT);
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INSERT INTO t1_b VALUES(2,'two');
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CREATE VIEW t1 AS SELECT a, b FROM t1_a UNION ALL SELECT c, c FROM t1_b;
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SELECT * FROM (SELECT t1.a, t1.b AS b, t0.c0 FROM t0, t1);
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} {1 one 0 2 2 0}
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do_execsql_test 1.11 {
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SELECT * FROM (SELECT t1.a, t1.b AS b, t0.c0 FROM t0, t1) WHERE b=2;
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} {2 2 0}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 2.1.0 {
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CREATE TABLE t1(x, y);
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INSERT INTO t1 VALUES(1, 'one');
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INSERT INTO t1 VALUES(1, 'ONE');
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INSERT INTO t1 VALUES(2, 'two');
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INSERT INTO t1 VALUES(2, 'TWO');
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INSERT INTO t1 VALUES(3, 'three');
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INSERT INTO t1 VALUES(3, 'THREE');
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}
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do_execsql_test 2.1.1 {
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WITH s(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<3
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)
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SELECT * FROM (
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SELECT 0 AS i UNION ALL SELECT i FROM s UNION ALL SELECT 0
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), t1 WHERE x=i;
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} {
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1 1 one 1 1 ONE 2 2 two 2 2 TWO 3 3 three 3 3 THREE
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}
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do_catchsql_test 2.1.2 {
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WITH s(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<3 UNION ALL SELECT 4
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)
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SELECT * FROM s, t1 WHERE x=i;
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} {1 {circular reference: s}}
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do_execsql_test 2.2.0 {
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CREATE TABLE t2_a(k INTEGER PRIMARY KEY, v TEXT);
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CREATE TABLE t2_b(k INTEGER PRIMARY KEY, v TEXT);
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CREATE VIEW t2 AS
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SELECT * FROM t2_a
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UNION ALL
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SELECT * FROM t2_b;
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CREATE TRIGGER t2_insert INSTEAD OF INSERT ON t2 BEGIN
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INSERT INTO t2_a SELECT new.k, new.v WHERE (new.k%2)==0;
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INSERT INTO t2_b SELECT new.k, new.v WHERE (new.k%2)==1;
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END;
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INSERT INTO t2 VALUES(5, 'v'), (4, 'iv'), (3, 'iii'), (2, 'ii');
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}
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do_execsql_test 2.2.1 {
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SELECT * FROM t1, t2 WHERE x=k;
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} {
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2 two 2 ii 2 TWO 2 ii 3 three 3 iii 3 THREE 3 iii
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}
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do_execsql_test 2.2.2 {
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SELECT * FROM t1 LEFT JOIN t2 ON (x=k);
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} {
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1 one {} {}
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1 ONE {} {}
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2 two 2 ii 2 TWO 2 ii 3 three 3 iii 3 THREE 3 iii
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}
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do_execsql_test 2.2.3 {
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SELECT x1.*, x2.* FROM t2 AS x1, t2 AS x2 WHERE x1.k=x2.k+1
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} {
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4 iv 3 iii
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3 iii 2 ii
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5 v 4 iv
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}
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do_execsql_test 2.2.4 {
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SELECT * FROM t1, t2 WHERE x=k ORDER BY y;
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} {
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3 THREE 3 iii
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2 TWO 2 ii
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3 three 3 iii
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2 two 2 ii
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}
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do_execsql_test 2.2.5 {
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SELECT * FROM t1, t2 WHERE x=k ORDER BY y||'';
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} {
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3 THREE 3 iii
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2 TWO 2 ii
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3 three 3 iii
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2 two 2 ii
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}
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do_execsql_test 2.2.6 {
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SELECT * FROM t1, t2 WHERE x=k ORDER BY v
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} {
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2 two 2 ii
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2 TWO 2 ii
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3 three 3 iii
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3 THREE 3 iii
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}
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do_execsql_test 2.2.7 {
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SELECT * FROM t1, t2 WHERE x=k ORDER BY v||''
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} {
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2 two 2 ii
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2 TWO 2 ii
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3 three 3 iii
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3 THREE 3 iii
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}
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do_execsql_test 2.2.8 {
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SELECT * FROM t1, t2 WHERE x=k ORDER BY k,v||''
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} {
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2 two 2 ii
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2 TWO 2 ii
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3 three 3 iii
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3 THREE 3 iii
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}
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do_execsql_test 2.2.9a {
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SELECT * FROM t1, t2 ORDER BY +k
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} {
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1 one 2 ii 1 ONE 2 ii 2 two 2 ii
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2 TWO 2 ii 3 three 2 ii 3 THREE 2 ii
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1 one 3 iii 1 ONE 3 iii 2 two 3 iii
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2 TWO 3 iii 3 three 3 iii 3 THREE 3 iii
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1 one 4 iv 1 ONE 4 iv 2 two 4 iv
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2 TWO 4 iv 3 three 4 iv 3 THREE 4 iv
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1 one 5 v 1 ONE 5 v 2 two 5 v
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2 TWO 5 v 3 three 5 v 3 THREE 5 v
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}
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do_execsql_test 2.2.9b {
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SELECT * FROM t1, t2 ORDER BY k
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} {
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1 one 2 ii 1 ONE 2 ii 2 two 2 ii
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2 TWO 2 ii 3 three 2 ii 3 THREE 2 ii
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1 one 3 iii 1 ONE 3 iii 2 two 3 iii
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2 TWO 3 iii 3 three 3 iii 3 THREE 3 iii
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1 one 4 iv 1 ONE 4 iv 2 two 4 iv
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2 TWO 4 iv 3 three 4 iv 3 THREE 4 iv
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1 one 5 v 1 ONE 5 v 2 two 5 v
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2 TWO 5 v 3 three 5 v 3 THREE 5 v
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}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 3.0 {
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CREATE TABLE t1(c INTEGER PRIMARY KEY, d TEXT);
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INSERT INTO t1 VALUES(1,2);
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CREATE TABLE t3_a(k INTEGER PRIMARY KEY, v TEXT);
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INSERT INTO t3_a VALUES(2,'ii');
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CREATE TABLE t3_b(k INTEGER PRIMARY KEY, v TEXT);
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CREATE VIEW t3 AS
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SELECT * FROM t3_a
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UNION ALL
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SELECT * FROM t3_b;
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} {}
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do_execsql_test 3.1 {
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SELECT * FROM t1, t3 ORDER BY k;
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} {1 2 2 ii}
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reset_db
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do_execsql_test 4.0 {
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CREATE TABLE t1_a(a INTEGER PRIMARY KEY, b TEXT);
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INSERT INTO t1_a VALUES(123, 't1_a');
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CREATE TABLE t1_b(c INTEGER PRIMARY KEY, d TEXT);
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CREATE VIEW t1 AS
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SELECT a, b FROM t1_a
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UNION ALL
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SELECT c, d FROM t1_b;
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CREATE TABLE t3_a(k INTEGER PRIMARY KEY, v TEXT);
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INSERT INTO t3_a VALUES(456, 't3_a');
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CREATE TABLE t3_b(k INTEGER PRIMARY KEY, v TEXT);
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CREATE VIEW t3 AS
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SELECT * FROM t3_a
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UNION ALL
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SELECT * FROM t3_b;
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}
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do_execsql_test 4.1 {
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SELECT * FROM t1, t3 ORDER BY k;
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} {123 t1_a 456 t3_a}
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do_execsql_test 4.2 {
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SELECT * FROM (SELECT * FROM t1, t3) ORDER BY k;
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} {123 t1_a 456 t3_a}
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do_execsql_test 4.3 {
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SELECT * FROM (SELECT * FROM t1, t3), (
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SELECT max(a) OVER () FROM t1
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UNION ALL
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SELECT min(a) OVER () FROM t1
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)
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ORDER BY k;
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} {
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123 t1_a 456 t3_a 123
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123 t1_a 456 t3_a 123
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}
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do_execsql_test 4.3 {
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SELECT * FROM (SELECT * FROM t1, t3), (
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SELECT group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a),
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group_concat(a) OVER (ORDER BY a)
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FROM t1
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)
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ORDER BY k;
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} {
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123 t1_a 456 t3_a 123 123 123 123 123 123 123 123 123
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}
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do_execsql_test 4.3 {
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SELECT * FROM (SELECT * FROM t1, t3) AS o, (
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SELECT * FROM t1 LEFT JOIN t3 ON a=k
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);
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} {
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123 t1_a 456 t3_a 123 t1_a {} {}
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}
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# 2020-12-30: dbsqlfuzz find
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reset_db
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do_execsql_test 5.1 {
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CREATE TABLE t1_a(a INTEGER PRIMARY KEY, b TEXT);
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INSERT INTO t1_a VALUES(1,'one');
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INSERT INTO t1_a VALUES(0,NULL);
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CREATE TABLE t1_b(c INTEGER PRIMARY KEY, d TEXT);
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INSERT INTO t1_b VALUES(2,'two');
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INSERT INTO t1_b VALUES(5,'five');
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CREATE TABLE t1_c(e INTEGER PRIMARY KEY, f TEXT);
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INSERT INTO t1_c VALUES(3,'three');
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INSERT INTO t1_c VALUES(6,'six');
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CREATE TABLE t2(k,v);
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INSERT INTO t2 VALUES(5,'v');
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INSERT INTO t2 VALUES(4,'iv');
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INSERT INTO t2 VALUES(3,'iii');
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INSERT INTO t2 VALUES(2,'ii');
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CREATE TABLE t3_a(k INTEGER PRIMARY KEY, v TEXT);
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INSERT INTO t3_a VALUES(2,'ii');
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INSERT INTO t3_a VALUES(4,'iv');
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CREATE TABLE t3_b(k INTEG5R PRIMARY KEY, v TEXT);
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INSERT INTO t3_b VALUES(NULL,'iii');
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INSERT INTO t3_b VALUES(NULL,'v');
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CREATE VIEW t1 AS
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SELECT a, b FROM t1_a UNION ALL
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SELECT c, d FROM t1_b UNION ALL
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SELECT e, f FROM t1_c;
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CREATE VIEW t3 AS
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SELECT * FROM t3_a
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UNION ALL
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SELECT * FROM t3_b;
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CREATE TRIGGER t3_insert INSTEAD OF INSERT ON t3 BEGIN
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INSERT INTO t3_a SELECT new.k, new.v WHERE (new.k%2)==0;
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INSERT INTO t3_b SELECT new.k, new.v WHERE (new.k%2)==1;
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END;
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} {}
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do_execsql_test 5.10 {
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SELECT *, '+' FROM t1 LEFT JOIN t2 ON (a NOT IN(SELECT v FROM t1, t3 WHERE a=k)=NOT EXISTS(SELECT 1 FROM t1 LEFT JOIN t3 ON (a=k)));
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} {0 {} {} {} + 1 one {} {} + 2 two {} {} + 5 five {} {} + 3 three {} {} + 6 six {} {} +}
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do_execsql_test 5.20 {
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SELECT *, '+' FROM t1 LEFT JOIN t3 ON (a NOT IN(SELECT v FROM t1 LEFT JOIN t2 ON (a=k))=k);
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} {0 {} {} {} + 1 one {} {} + 2 two {} {} + 5 five {} {} + 3 three {} {} + 6 six {} {} +}
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ifcapable vtab {
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do_catchsql_test 5.30 {
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SELECT * FROM (t1 NATURAL JOIN pragma_table_xinfo('t1_a') NATURAL JOIN t3) t1
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NATURAL JOIN t2 NATURAL JOIN t3
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WHERE rowid ISNULL>0 AND 0%y;
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} {1 {no such column: rowid}}
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}
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reset_db
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do_execsql_test 6.0 {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,2);
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CREATE TABLE t2(a,b);
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INSERT INTO t2 VALUES(3,4);
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CREATE TABLE t3(a,b);
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INSERT INTO t3 VALUES(5,6);
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CREATE TABLE t4(a,b);
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INSERT INTO t4 VALUES(7,8);
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CREATE TABLE t5(a,b);
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INSERT INTO t5 VALUES(9,10);
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}
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do_execsql_test 6.1 {
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WITH x(c) AS (
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SELECT 1000 FROM t1 UNION ALL SELECT 800 FROM t2
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),
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y(d) AS (
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SELECT 100 FROM t3 UNION ALL SELECT 400 FROM t4
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)
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SELECT * FROM t5, x, y;
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} {
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9 10 1000 100 9 10 1000 400
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9 10 800 100 9 10 800 400
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}
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# 2021-04-26 dbsqlfuzz 88ed5c66789fced139d148aed823cba7c0926dd7
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reset_db
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do_execsql_test 7.1 {
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WITH c1(x) AS (VALUES(0) UNION ALL SELECT 100+x FROM c1 WHERE x<100 UNION ALL SELECT 1+x FROM c1 WHERE x<1)
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SELECT x, y, '|'
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FROM c1 AS x1, (SELECT x+1 AS y FROM c1 WHERE x<1 UNION ALL SELECT 1+x FROM c1 WHERE 1<x) AS x2
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ORDER BY x, y;
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} {0 1 | 0 101 | 0 102 | 1 1 | 1 101 | 1 102 | 100 1 | 100 101 | 100 102 | 101 1 | 101 101 | 101 102 |}
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# 2022-10-31 ticket https://sqlite.org/src/info/57c47526c34f01e8
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# dbsqlfuzz 37230460b46b3b6049f0d768eb801f3428189382
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# UNION ALL subqueries or views which have arms with different
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# affinities should not be flattened.
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#
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reset_db
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do_execsql_test 8.1 {
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CREATE TABLE t0(c0 INT);
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INSERT INTO t0 VALUES(0);
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CREATE TABLE t1_a(a INTEGER PRIMARY KEY, b TEXT);
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INSERT INTO t1_a VALUES(1,'one');
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INSERT INTO t1_a VALUES(4,'four');
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CREATE TABLE t1_b(c INTEGER PRIMARY KEY, d TEXT);
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INSERT INTO t1_b VALUES(2,'two');
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INSERT INTO t1_b VALUES(5,'five');
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CREATE TABLE t1_c(e INTEGER PRIMARY KEY, f TEXT);
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INSERT INTO t1_c VALUES(3,'three');
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INSERT INTO t1_c VALUES(6,'six');
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CREATE VIEW v0(c0) AS SELECT CAST(t0.c0 AS INTEGER) FROM t0;
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CREATE VIEW t1 AS
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SELECT a, b FROM t1_a UNION ALL
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SELECT c, c FROM t1_b UNION ALL
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SELECT e, f FROM t1_c;
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SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1;
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} {1 one 0 {} 4 four 0 {} 2 2 0 {} 5 5 0 {} 3 three 0 {} 6 six 0 {}}
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optimization_control db all 1
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do_execsql_test 8.2 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b=2;
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} {2 2 0 {}}
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do_execsql_test 8.3 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b=2.0;
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} {2 2 0 {}}
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do_execsql_test 8.4 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b='2';
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} {}
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optimization_control db query-flattener,push-down 0
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do_execsql_test 8.5 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b=2;
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} {2 2 0 {}}
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do_execsql_test 8.6 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b=2.0;
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} {2 2 0 {}}
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do_execsql_test 8.7 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b='2';
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} {}
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optimization_control db all 0
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do_execsql_test 8.8 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b=2;
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} {2 2 0 {}}
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do_execsql_test 8.9 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b=2.0;
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} {2 2 0 {}}
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do_execsql_test 8.10 {
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SELECT * FROM (SELECT t1.a, t1.b, t0.c0 AS c, v0.c0 AS d FROM t0 LEFT JOIN v0 ON v0.c0>'0',t1) WHERE b='2';
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} {}
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finish_test
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