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+# 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.
+#
+# $Id: select4.test,v 1.30 2009/04/16 00:24:24 drh Exp $
+
+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}
+}
+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}}
+
+# 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}}
+
+# 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}}
+
+# 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 select4-12.1 {
+ 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
+
+finish_test
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 18:43:32 +0000