| # 2001 September 15 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice, here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # This file implements regression tests for SQLite library. The |
| # focus of this file is testing UNION, INTERSECT and EXCEPT operators |
| # in SELECT statements. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| # Most tests in this file depend on compound-select. But there are a couple |
| # right at the end that test DISTINCT, so we cannot omit the entire file. |
| # |
| ifcapable compound { |
| |
| # Build some test data |
| # |
| execsql { |
| CREATE TABLE t1(n int, log int); |
| BEGIN; |
| } |
| for {set i 1} {$i<32} {incr i} { |
| for {set j 0} {(1<<$j)<$i} {incr j} {} |
| execsql "INSERT INTO t1 VALUES($i,$j)" |
| } |
| execsql { |
| COMMIT; |
| } |
| |
| do_test select4-1.0 { |
| execsql {SELECT DISTINCT log FROM t1 ORDER BY log} |
| } {0 1 2 3 4 5} |
| |
| # Union All operator |
| # |
| do_test select4-1.1a { |
| lsort [execsql {SELECT DISTINCT log FROM t1}] |
| } {0 1 2 3 4 5} |
| do_test select4-1.1b { |
| lsort [execsql {SELECT n FROM t1 WHERE log=3}] |
| } {5 6 7 8} |
| do_test select4-1.1c { |
| execsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| } |
| } {0 1 2 3 4 5 5 6 7 8} |
| do_test select4-1.1d { |
| execsql { |
| CREATE TABLE t2 AS |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| SELECT * FROM t2; |
| } |
| } {0 1 2 3 4 5 5 6 7 8} |
| execsql {DROP TABLE t2} |
| do_test select4-1.1e { |
| execsql { |
| CREATE TABLE t2 AS |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log DESC; |
| SELECT * FROM t2; |
| } |
| } {8 7 6 5 5 4 3 2 1 0} |
| execsql {DROP TABLE t2} |
| do_test select4-1.1f { |
| execsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=2 |
| } |
| } {0 1 2 3 4 5 3 4} |
| do_test select4-1.1g { |
| execsql { |
| CREATE TABLE t2 AS |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=2; |
| SELECT * FROM t2; |
| } |
| } {0 1 2 3 4 5 3 4} |
| execsql {DROP TABLE t2} |
| ifcapable subquery { |
| do_test select4-1.2 { |
| execsql { |
| SELECT log FROM t1 WHERE n IN |
| (SELECT DISTINCT log FROM t1 UNION ALL |
| SELECT n FROM t1 WHERE log=3) |
| ORDER BY log; |
| } |
| } {0 1 2 2 3 3 3 3} |
| } |
| |
| # EVIDENCE-OF: R-02644-22131 In a compound SELECT statement, only the |
| # last or right-most simple SELECT may have an ORDER BY clause. |
| # |
| do_test select4-1.3 { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| }} msg] |
| lappend v $msg |
| } {1 {ORDER BY clause should come after UNION ALL not before}} |
| do_catchsql_test select4-1.4 { |
| SELECT (VALUES(0) INTERSECT SELECT(0) UNION SELECT(0) ORDER BY 1 UNION |
| SELECT 0 UNION SELECT 0 ORDER BY 1); |
| } {1 {ORDER BY clause should come after UNION not before}} |
| |
| # Union operator |
| # |
| do_test select4-2.1 { |
| execsql { |
| SELECT DISTINCT log FROM t1 |
| UNION |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| } |
| } {0 1 2 3 4 5 6 7 8} |
| ifcapable subquery { |
| do_test select4-2.2 { |
| execsql { |
| SELECT log FROM t1 WHERE n IN |
| (SELECT DISTINCT log FROM t1 UNION |
| SELECT n FROM t1 WHERE log=3) |
| ORDER BY log; |
| } |
| } {0 1 2 2 3 3 3 3} |
| } |
| do_test select4-2.3 { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log |
| UNION |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| }} msg] |
| lappend v $msg |
| } {1 {ORDER BY clause should come after UNION not before}} |
| do_test select4-2.4 { |
| set v [catch {execsql { |
| SELECT 0 ORDER BY (SELECT 0) UNION SELECT 0; |
| }} msg] |
| lappend v $msg |
| } {1 {ORDER BY clause should come after UNION not before}} |
| do_execsql_test select4-2.5 { |
| SELECT 123 AS x ORDER BY (SELECT x ORDER BY 1); |
| } {123} |
| |
| # Except operator |
| # |
| do_test select4-3.1.1 { |
| execsql { |
| SELECT DISTINCT log FROM t1 |
| EXCEPT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| } |
| } {0 1 2 3 4} |
| do_test select4-3.1.2 { |
| execsql { |
| CREATE TABLE t2 AS |
| SELECT DISTINCT log FROM t1 |
| EXCEPT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| SELECT * FROM t2; |
| } |
| } {0 1 2 3 4} |
| execsql {DROP TABLE t2} |
| do_test select4-3.1.3 { |
| execsql { |
| CREATE TABLE t2 AS |
| SELECT DISTINCT log FROM t1 |
| EXCEPT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log DESC; |
| SELECT * FROM t2; |
| } |
| } {4 3 2 1 0} |
| execsql {DROP TABLE t2} |
| ifcapable subquery { |
| do_test select4-3.2 { |
| execsql { |
| SELECT log FROM t1 WHERE n IN |
| (SELECT DISTINCT log FROM t1 EXCEPT |
| SELECT n FROM t1 WHERE log=3) |
| ORDER BY log; |
| } |
| } {0 1 2 2} |
| } |
| do_test select4-3.3 { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log |
| EXCEPT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| }} msg] |
| lappend v $msg |
| } {1 {ORDER BY clause should come after EXCEPT not before}} |
| |
| # Intersect operator |
| # |
| do_test select4-4.1.1 { |
| execsql { |
| SELECT DISTINCT log FROM t1 |
| INTERSECT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| } |
| } {5} |
| |
| do_test select4-4.1.2 { |
| execsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT 6 |
| INTERSECT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY t1.log; |
| } |
| } {5 6} |
| |
| do_test select4-4.1.3 { |
| execsql { |
| CREATE TABLE t2 AS |
| SELECT DISTINCT log FROM t1 UNION ALL SELECT 6 |
| INTERSECT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| SELECT * FROM t2; |
| } |
| } {5 6} |
| execsql {DROP TABLE t2} |
| do_test select4-4.1.4 { |
| execsql { |
| CREATE TABLE t2 AS |
| SELECT DISTINCT log FROM t1 UNION ALL SELECT 6 |
| INTERSECT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log DESC; |
| SELECT * FROM t2; |
| } |
| } {6 5} |
| execsql {DROP TABLE t2} |
| ifcapable subquery { |
| do_test select4-4.2 { |
| execsql { |
| SELECT log FROM t1 WHERE n IN |
| (SELECT DISTINCT log FROM t1 INTERSECT |
| SELECT n FROM t1 WHERE log=3) |
| ORDER BY log; |
| } |
| } {3} |
| } |
| do_test select4-4.3 { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log |
| INTERSECT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| }} msg] |
| lappend v $msg |
| } {1 {ORDER BY clause should come after INTERSECT not before}} |
| do_catchsql_test select4-4.4 { |
| SELECT 3 IN ( |
| SELECT 0 ORDER BY 1 |
| INTERSECT |
| SELECT 1 |
| INTERSECT |
| SELECT 2 |
| ORDER BY 1 |
| ); |
| } {1 {ORDER BY clause should come after INTERSECT not before}} |
| |
| # Various error messages while processing UNION or INTERSECT |
| # |
| do_test select4-5.1 { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t2 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| }} msg] |
| lappend v $msg |
| } {1 {no such table: t2}} |
| do_test select4-5.2 { |
| set v [catch {execsql { |
| SELECT DISTINCT log AS "xyzzy" FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY xyzzy; |
| }} msg] |
| lappend v $msg |
| } {0 {0 1 2 3 4 5 5 6 7 8}} |
| do_test select4-5.2b { |
| set v [catch {execsql { |
| SELECT DISTINCT log AS xyzzy FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY "xyzzy"; |
| }} msg] |
| lappend v $msg |
| } {0 {0 1 2 3 4 5 5 6 7 8}} |
| do_test select4-5.2c { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY "xyzzy"; |
| }} msg] |
| lappend v $msg |
| } {1 {1st ORDER BY term does not match any column in the result set}} |
| do_test select4-5.2d { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t1 |
| INTERSECT |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY "xyzzy"; |
| }} msg] |
| lappend v $msg |
| } {1 {1st ORDER BY term does not match any column in the result set}} |
| do_test select4-5.2e { |
| set v [catch {execsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY n; |
| }} msg] |
| lappend v $msg |
| } {0 {0 1 2 3 4 5 5 6 7 8}} |
| do_test select4-5.2f { |
| catchsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| } |
| } {0 {0 1 2 3 4 5 5 6 7 8}} |
| do_test select4-5.2g { |
| catchsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY 1; |
| } |
| } {0 {0 1 2 3 4 5 5 6 7 8}} |
| do_test select4-5.2h { |
| catchsql { |
| SELECT DISTINCT log FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY 2; |
| } |
| } {1 {1st ORDER BY term out of range - should be between 1 and 1}} |
| do_test select4-5.2i { |
| catchsql { |
| SELECT DISTINCT 1, log FROM t1 |
| UNION ALL |
| SELECT 2, n FROM t1 WHERE log=3 |
| ORDER BY 2, 1; |
| } |
| } {0 {1 0 1 1 1 2 1 3 1 4 1 5 2 5 2 6 2 7 2 8}} |
| do_test select4-5.2j { |
| catchsql { |
| SELECT DISTINCT 1, log FROM t1 |
| UNION ALL |
| SELECT 2, n FROM t1 WHERE log=3 |
| ORDER BY 1, 2 DESC; |
| } |
| } {0 {1 5 1 4 1 3 1 2 1 1 1 0 2 8 2 7 2 6 2 5}} |
| do_test select4-5.2k { |
| catchsql { |
| SELECT DISTINCT 1, log FROM t1 |
| UNION ALL |
| SELECT 2, n FROM t1 WHERE log=3 |
| ORDER BY n, 1; |
| } |
| } {0 {1 0 1 1 1 2 1 3 1 4 1 5 2 5 2 6 2 7 2 8}} |
| do_test select4-5.3 { |
| set v [catch {execsql { |
| SELECT DISTINCT log, n FROM t1 |
| UNION ALL |
| SELECT n FROM t1 WHERE log=3 |
| ORDER BY log; |
| }} msg] |
| lappend v $msg |
| } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}} |
| do_test select4-5.3-3807-1 { |
| catchsql { |
| SELECT 1 UNION SELECT 2, 3 UNION SELECT 4, 5 ORDER BY 1; |
| } |
| } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}} |
| do_test select4-5.4 { |
| set v [catch {execsql { |
| SELECT log FROM t1 WHERE n=2 |
| UNION ALL |
| SELECT log FROM t1 WHERE n=3 |
| UNION ALL |
| SELECT log FROM t1 WHERE n=4 |
| UNION ALL |
| SELECT log FROM t1 WHERE n=5 |
| ORDER BY log; |
| }} msg] |
| lappend v $msg |
| } {0 {1 2 2 3}} |
| |
| do_test select4-6.1 { |
| execsql { |
| SELECT log, count(*) as cnt FROM t1 GROUP BY log |
| UNION |
| SELECT log, n FROM t1 WHERE n=7 |
| ORDER BY cnt, log; |
| } |
| } {0 1 1 1 2 2 3 4 3 7 4 8 5 15} |
| do_test select4-6.2 { |
| execsql { |
| SELECT log, count(*) FROM t1 GROUP BY log |
| UNION |
| SELECT log, n FROM t1 WHERE n=7 |
| ORDER BY count(*), log; |
| } |
| } {0 1 1 1 2 2 3 4 3 7 4 8 5 15} |
| |
| # NULLs are indistinct for the UNION operator. |
| # Make sure the UNION operator recognizes this |
| # |
| do_test select4-6.3 { |
| execsql { |
| SELECT NULL UNION SELECT NULL UNION |
| SELECT 1 UNION SELECT 2 AS 'x' |
| ORDER BY x; |
| } |
| } {{} 1 2} |
| do_test select4-6.3.1 { |
| execsql { |
| SELECT NULL UNION ALL SELECT NULL UNION ALL |
| SELECT 1 UNION ALL SELECT 2 AS 'x' |
| ORDER BY x; |
| } |
| } {{} {} 1 2} |
| |
| # Make sure the DISTINCT keyword treats NULLs as indistinct. |
| # |
| ifcapable subquery { |
| do_test select4-6.4 { |
| execsql { |
| SELECT * FROM ( |
| SELECT NULL, 1 UNION ALL SELECT NULL, 1 |
| ); |
| } |
| } {{} 1 {} 1} |
| do_test select4-6.5 { |
| execsql { |
| SELECT DISTINCT * FROM ( |
| SELECT NULL, 1 UNION ALL SELECT NULL, 1 |
| ); |
| } |
| } {{} 1} |
| do_test select4-6.6 { |
| execsql { |
| SELECT DISTINCT * FROM ( |
| SELECT 1,2 UNION ALL SELECT 1,2 |
| ); |
| } |
| } {1 2} |
| } |
| |
| # Test distinctness of NULL in other ways. |
| # |
| do_test select4-6.7 { |
| execsql { |
| SELECT NULL EXCEPT SELECT NULL |
| } |
| } {} |
| |
| |
| # Make sure column names are correct when a compound select appears as |
| # an expression in the WHERE clause. |
| # |
| do_test select4-7.1 { |
| execsql { |
| CREATE TABLE t2 AS SELECT log AS 'x', count(*) AS 'y' FROM t1 GROUP BY log; |
| SELECT * FROM t2 ORDER BY x; |
| } |
| } {0 1 1 1 2 2 3 4 4 8 5 15} |
| ifcapable subquery { |
| do_test select4-7.2 { |
| execsql2 { |
| SELECT * FROM t1 WHERE n IN (SELECT n FROM t1 INTERSECT SELECT x FROM t2) |
| ORDER BY n |
| } |
| } {n 1 log 0 n 2 log 1 n 3 log 2 n 4 log 2 n 5 log 3} |
| do_test select4-7.3 { |
| execsql2 { |
| SELECT * FROM t1 WHERE n IN (SELECT n FROM t1 EXCEPT SELECT x FROM t2) |
| ORDER BY n LIMIT 2 |
| } |
| } {n 6 log 3 n 7 log 3} |
| do_test select4-7.4 { |
| execsql2 { |
| SELECT * FROM t1 WHERE n IN (SELECT n FROM t1 UNION SELECT x FROM t2) |
| ORDER BY n LIMIT 2 |
| } |
| } {n 1 log 0 n 2 log 1} |
| } ;# ifcapable subquery |
| |
| } ;# ifcapable compound |
| |
| # Make sure DISTINCT works appropriately on TEXT and NUMERIC columns. |
| do_test select4-8.1 { |
| execsql { |
| BEGIN; |
| CREATE TABLE t3(a text, b float, c text); |
| INSERT INTO t3 VALUES(1, 1.1, '1.1'); |
| INSERT INTO t3 VALUES(2, 1.10, '1.10'); |
| INSERT INTO t3 VALUES(3, 1.10, '1.1'); |
| INSERT INTO t3 VALUES(4, 1.1, '1.10'); |
| INSERT INTO t3 VALUES(5, 1.2, '1.2'); |
| INSERT INTO t3 VALUES(6, 1.3, '1.3'); |
| COMMIT; |
| } |
| execsql { |
| SELECT DISTINCT b FROM t3 ORDER BY c; |
| } |
| } {1.1 1.2 1.3} |
| do_test select4-8.2 { |
| execsql { |
| SELECT DISTINCT c FROM t3 ORDER BY c; |
| } |
| } {1.1 1.10 1.2 1.3} |
| |
| # Make sure the names of columns are taken from the right-most subquery |
| # right in a compound query. Ticket #1721 |
| # |
| ifcapable compound { |
| |
| do_test select4-9.1 { |
| execsql2 { |
| SELECT x, y FROM t2 UNION SELECT a, b FROM t3 ORDER BY x LIMIT 1 |
| } |
| } {x 0 y 1} |
| do_test select4-9.2 { |
| execsql2 { |
| SELECT x, y FROM t2 UNION ALL SELECT a, b FROM t3 ORDER BY x LIMIT 1 |
| } |
| } {x 0 y 1} |
| do_test select4-9.3 { |
| execsql2 { |
| SELECT x, y FROM t2 EXCEPT SELECT a, b FROM t3 ORDER BY x LIMIT 1 |
| } |
| } {x 0 y 1} |
| do_test select4-9.4 { |
| execsql2 { |
| SELECT x, y FROM t2 INTERSECT SELECT 0 AS a, 1 AS b; |
| } |
| } {x 0 y 1} |
| do_test select4-9.5 { |
| execsql2 { |
| SELECT 0 AS x, 1 AS y |
| UNION |
| SELECT 2 AS p, 3 AS q |
| UNION |
| SELECT 4 AS a, 5 AS b |
| ORDER BY x LIMIT 1 |
| } |
| } {x 0 y 1} |
| |
| ifcapable subquery { |
| do_test select4-9.6 { |
| execsql2 { |
| SELECT * FROM ( |
| SELECT 0 AS x, 1 AS y |
| UNION |
| SELECT 2 AS p, 3 AS q |
| UNION |
| SELECT 4 AS a, 5 AS b |
| ) ORDER BY 1 LIMIT 1; |
| } |
| } {x 0 y 1} |
| do_test select4-9.7 { |
| execsql2 { |
| SELECT * FROM ( |
| SELECT 0 AS x, 1 AS y |
| UNION |
| SELECT 2 AS p, 3 AS q |
| UNION |
| SELECT 4 AS a, 5 AS b |
| ) ORDER BY x LIMIT 1; |
| } |
| } {x 0 y 1} |
| } ;# ifcapable subquery |
| |
| do_test select4-9.8 { |
| execsql { |
| SELECT 0 AS x, 1 AS y |
| UNION |
| SELECT 2 AS y, -3 AS x |
| ORDER BY x LIMIT 1; |
| } |
| } {0 1} |
| |
| do_test select4-9.9.1 { |
| execsql2 { |
| SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS b, 4 AS a |
| } |
| } {a 1 b 2 a 3 b 4} |
| |
| ifcapable subquery { |
| do_test select4-9.9.2 { |
| execsql2 { |
| SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS b, 4 AS a) |
| WHERE b=3 |
| } |
| } {} |
| do_test select4-9.10 { |
| execsql2 { |
| SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS b, 4 AS a) |
| WHERE b=2 |
| } |
| } {a 1 b 2} |
| do_test select4-9.11 { |
| execsql2 { |
| SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS e, 4 AS b) |
| WHERE b=2 |
| } |
| } {a 1 b 2} |
| do_test select4-9.12 { |
| execsql2 { |
| SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS e, 4 AS b) |
| WHERE b>0 |
| } |
| } {a 1 b 2 a 3 b 4} |
| } ;# ifcapable subquery |
| |
| # Try combining DISTINCT, LIMIT, and OFFSET. Make sure they all work |
| # together. |
| # |
| do_test select4-10.1 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log |
| } |
| } {0 1 2 3 4 5} |
| do_test select4-10.2 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 4 |
| } |
| } {0 1 2 3} |
| do_test select4-10.3 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 0 |
| } |
| } {} |
| do_test select4-10.4 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log LIMIT -1 |
| } |
| } {0 1 2 3 4 5} |
| do_test select4-10.5 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log LIMIT -1 OFFSET 2 |
| } |
| } {2 3 4 5} |
| do_test select4-10.6 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 3 OFFSET 2 |
| } |
| } {2 3 4} |
| do_test select4-10.7 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY +log LIMIT 3 OFFSET 20 |
| } |
| } {} |
| do_test select4-10.8 { |
| execsql { |
| SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 0 OFFSET 3 |
| } |
| } {} |
| do_test select4-10.9 { |
| execsql { |
| SELECT DISTINCT max(n), log FROM t1 ORDER BY +log; -- LIMIT 2 OFFSET 1 |
| } |
| } {31 5} |
| |
| # Make sure compound SELECTs with wildly different numbers of columns |
| # do not cause assertion faults due to register allocation issues. |
| # |
| do_test select4-11.1 { |
| catchsql { |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| UNION |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}} |
| do_test select4-11.2 { |
| catchsql { |
| SELECT x FROM t2 |
| UNION |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}} |
| do_test select4-11.3 { |
| catchsql { |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| UNION ALL |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}} |
| do_test select4-11.4 { |
| catchsql { |
| SELECT x FROM t2 |
| UNION ALL |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}} |
| do_test select4-11.5 { |
| catchsql { |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| EXCEPT |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}} |
| do_test select4-11.6 { |
| catchsql { |
| SELECT x FROM t2 |
| EXCEPT |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}} |
| do_test select4-11.7 { |
| catchsql { |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| INTERSECT |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}} |
| do_test select4-11.8 { |
| catchsql { |
| SELECT x FROM t2 |
| INTERSECT |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}} |
| |
| do_test select4-11.11 { |
| catchsql { |
| SELECT x FROM t2 |
| UNION |
| SELECT x FROM t2 |
| UNION ALL |
| SELECT x FROM t2 |
| EXCEPT |
| SELECT x FROM t2 |
| INTERSECT |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}} |
| do_test select4-11.12 { |
| catchsql { |
| SELECT x FROM t2 |
| UNION |
| SELECT x FROM t2 |
| UNION ALL |
| SELECT x FROM t2 |
| EXCEPT |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| EXCEPT |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}} |
| do_test select4-11.13 { |
| catchsql { |
| SELECT x FROM t2 |
| UNION |
| SELECT x FROM t2 |
| UNION ALL |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| UNION ALL |
| SELECT x FROM t2 |
| EXCEPT |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}} |
| do_test select4-11.14 { |
| catchsql { |
| SELECT x FROM t2 |
| UNION |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| UNION |
| SELECT x FROM t2 |
| UNION ALL |
| SELECT x FROM t2 |
| EXCEPT |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}} |
| do_test select4-11.15 { |
| catchsql { |
| SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2 |
| UNION |
| SELECT x FROM t2 |
| INTERSECT |
| SELECT x FROM t2 |
| UNION ALL |
| SELECT x FROM t2 |
| EXCEPT |
| SELECT x FROM t2 |
| } |
| } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}} |
| do_test select4-11.16 { |
| catchsql { |
| INSERT INTO t2(rowid) VALUES(2) UNION SELECT 3,4 UNION SELECT 5,6 ORDER BY 1; |
| } |
| } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}} |
| |
| do_test select4-12.1 { |
| sqlite3 db2 :memory: |
| catchsql { |
| SELECT 1 UNION SELECT 2,3 UNION SELECT 4,5 ORDER BY 1; |
| } db2 |
| } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}} |
| |
| } ;# ifcapable compound |
| |
| |
| # Ticket [3557ad65a076c] - Incorrect DISTINCT processing with an |
| # indexed query using IN. |
| # |
| do_test select4-13.1 { |
| sqlite3 db test.db |
| db eval { |
| CREATE TABLE t13(a,b); |
| INSERT INTO t13 VALUES(1,1); |
| INSERT INTO t13 VALUES(2,1); |
| INSERT INTO t13 VALUES(3,1); |
| INSERT INTO t13 VALUES(2,2); |
| INSERT INTO t13 VALUES(3,2); |
| INSERT INTO t13 VALUES(4,2); |
| CREATE INDEX t13ab ON t13(a,b); |
| SELECT DISTINCT b from t13 WHERE a IN (1,2,3); |
| } |
| } {1 2} |
| |
| # 2014-02-18: Make sure compound SELECTs work with VALUES clauses |
| # |
| do_execsql_test select4-14.1 { |
| CREATE TABLE t14(a,b,c); |
| INSERT INTO t14 VALUES(1,2,3),(4,5,6); |
| SELECT * FROM t14 INTERSECT VALUES(3,2,1),(2,3,1),(1,2,3),(2,1,3); |
| } {1 2 3} |
| do_execsql_test select4-14.2 { |
| SELECT * FROM t14 INTERSECT VALUES(1,2,3); |
| } {1 2 3} |
| do_execsql_test select4-14.3 { |
| SELECT * FROM t14 |
| UNION VALUES(3,2,1),(2,3,1),(1,2,3),(7,8,9),(4,5,6) |
| UNION SELECT * FROM t14 ORDER BY 1, 2, 3 |
| } {1 2 3 2 3 1 3 2 1 4 5 6 7 8 9} |
| do_execsql_test select4-14.4 { |
| SELECT * FROM t14 |
| UNION VALUES(3,2,1) |
| UNION SELECT * FROM t14 ORDER BY 1, 2, 3 |
| } {1 2 3 3 2 1 4 5 6} |
| do_execsql_test select4-14.5 { |
| SELECT * FROM t14 EXCEPT VALUES(3,2,1),(2,3,1),(1,2,3),(2,1,3); |
| } {4 5 6} |
| do_execsql_test select4-14.6 { |
| SELECT * FROM t14 EXCEPT VALUES(1,2,3) |
| } {4 5 6} |
| do_execsql_test select4-14.7 { |
| SELECT * FROM t14 EXCEPT VALUES(1,2,3) EXCEPT VALUES(4,5,6) |
| } {} |
| do_execsql_test select4-14.8 { |
| SELECT * FROM t14 EXCEPT VALUES('a','b','c') EXCEPT VALUES(4,5,6) |
| } {1 2 3} |
| do_execsql_test select4-14.9 { |
| SELECT * FROM t14 UNION ALL VALUES(3,2,1),(2,3,1),(1,2,3),(2,1,3); |
| } {1 2 3 4 5 6 3 2 1 2 3 1 1 2 3 2 1 3} |
| do_execsql_test select4-14.10 { |
| SELECT (VALUES(1),(2),(3),(4)) |
| } {1} |
| do_execsql_test select4-14.11 { |
| SELECT (SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4) |
| } {1} |
| do_execsql_test select4-14.12 { |
| VALUES(1) UNION VALUES(2); |
| } {1 2} |
| do_execsql_test select4-14.13 { |
| VALUES(1),(2),(3) EXCEPT VALUES(2); |
| } {1 3} |
| do_execsql_test select4-14.14 { |
| VALUES(1),(2),(3) EXCEPT VALUES(1),(3); |
| } {2} |
| do_execsql_test select4-14.15 { |
| SELECT * FROM (SELECT 123), (SELECT 456) ON likely(0 OR 1) OR 0; |
| } {123 456} |
| do_execsql_test select4-14.16 { |
| VALUES(1),(2),(3),(4) UNION ALL SELECT 5 LIMIT 99; |
| } {1 2 3 4 5} |
| do_execsql_test select4-14.17 { |
| VALUES(1),(2),(3),(4) UNION ALL SELECT 5 LIMIT 3; |
| } {1 2 3} |
| |
| # Ticket https://www.sqlite.org/src/info/d06a25c84454a372 |
| # Incorrect answer due to two co-routines using the same registers and expecting |
| # those register values to be preserved across a Yield. |
| # |
| do_execsql_test select4-15.1 { |
| DROP TABLE IF EXISTS tx; |
| CREATE TABLE tx(id INTEGER PRIMARY KEY, a, b); |
| INSERT INTO tx(a,b) VALUES(33,456); |
| INSERT INTO tx(a,b) VALUES(33,789); |
| |
| SELECT DISTINCT t0.id, t0.a, t0.b |
| FROM tx AS t0, tx AS t1 |
| WHERE t0.a=t1.a AND t1.a=33 AND t0.b=456 |
| UNION |
| SELECT DISTINCT t0.id, t0.a, t0.b |
| FROM tx AS t0, tx AS t1 |
| WHERE t0.a=t1.a AND t1.a=33 AND t0.b=789 |
| ORDER BY 1; |
| } {1 33 456 2 33 789} |
| |
| # Enhancement (2016-03-15): Use a co-routine for subqueries if the |
| # subquery is guaranteed to be the outer-most query |
| # |
| do_execsql_test select4-16.1 { |
| DROP TABLE IF EXISTS t1; |
| CREATE TABLE t1(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z, |
| PRIMARY KEY(a,b DESC)) WITHOUT ROWID; |
| |
| WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100) |
| INSERT INTO t1(a,b,c,d) |
| SELECT x%10, x/10, x, printf('xyz%dabc',x) FROM c; |
| |
| SELECT t3.c FROM |
| (SELECT a,max(b) AS m FROM t1 WHERE a>=5 GROUP BY a) AS t2 |
| JOIN t1 AS t3 |
| WHERE t2.a=t3.a AND t2.m=t3.b |
| ORDER BY t3.a; |
| } {95 96 97 98 99} |
| do_execsql_test select4-16.2 { |
| SELECT t3.c FROM |
| (SELECT a,max(b) AS m FROM t1 WHERE a>=5 GROUP BY a) AS t2 |
| CROSS JOIN t1 AS t3 |
| WHERE t2.a=t3.a AND t2.m=t3.b |
| ORDER BY t3.a; |
| } {95 96 97 98 99} |
| do_execsql_test select4-16.3 { |
| SELECT t3.c FROM |
| (SELECT a,max(b) AS m FROM t1 WHERE a>=5 GROUP BY a) AS t2 |
| LEFT JOIN t1 AS t3 |
| WHERE t2.a=t3.a AND t2.m=t3.b |
| ORDER BY t3.a; |
| } {95 96 97 98 99} |
| |
| # Ticket https://www.sqlite.org/src/tktview/f7f8c97e975978d45 on 2016-04-25 |
| # |
| # The where push-down optimization from 2015-06-02 is suppose to disable |
| # on aggregate subqueries. But if the subquery is a compound where the |
| # last SELECT is non-aggregate but some other SELECT is an aggregate, the |
| # test is incomplete and the optimization is not properly disabled. |
| # |
| # The following test cases verify that the fix works. |
| # |
| do_execsql_test select4-17.1 { |
| DROP TABLE IF EXISTS t1; |
| CREATE TABLE t1(a int, b int); |
| INSERT INTO t1 VALUES(1,2),(1,18),(2,19); |
| SELECT x, y FROM ( |
| SELECT 98 AS x, 99 AS y |
| UNION |
| SELECT a AS x, sum(b) AS y FROM t1 GROUP BY a |
| ) AS w WHERE y>=20 |
| ORDER BY +x; |
| } {1 20 98 99} |
| do_execsql_test select4-17.2 { |
| SELECT x, y FROM ( |
| SELECT a AS x, sum(b) AS y FROM t1 GROUP BY a |
| UNION |
| SELECT 98 AS x, 99 AS y |
| ) AS w WHERE y>=20 |
| ORDER BY +x; |
| } {1 20 98 99} |
| do_catchsql_test select4-17.3 { |
| SELECT x, y FROM ( |
| SELECT a AS x, sum(b) AS y FROM t1 GROUP BY a LIMIT 3 |
| UNION |
| SELECT 98 AS x, 99 AS y |
| ) AS w WHERE y>=20 |
| ORDER BY +x; |
| } {1 {LIMIT clause should come after UNION not before}} |
| |
| |
| |
| finish_test |