9f1ef45f6a
subquery with ORDER BY on the right-hand side. Fix for ticket [b65cb2c8d91f668584]. FossilOrigin-Name: 4b631364354068af95a01630469cb6fbfe8b52fd
162 lines
4.0 KiB
Plaintext
162 lines
4.0 KiB
Plaintext
# 2015-10-06
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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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#
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# This file implements test cases for the [b65cb2c8d91f6685841d7d1e13b6]
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# bug: Correct handling of LIMIT and OFFSET on a UNION ALL query where
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# the right-hand SELECT contains an ORDER BY in a subquery.
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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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ifcapable !compound {
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finish_test
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return
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}
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do_execsql_test offset1-1.1 {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');
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CREATE TABLE t2(x,y);
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INSERT INTO t2 VALUES(8,'y'),(9,'z'),(6,'w'),(7,'x');
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SELECT count(*) FROM t1, t2;
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} {20}
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do_execsql_test offset1-1.2.0 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 0;
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} {1 a 2 b 3 c}
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do_execsql_test offset1-1.2.1 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 1;
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} {2 b 3 c 4 d}
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do_execsql_test offset1-1.2.2 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 2;
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} {3 c 4 d 5 e}
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do_execsql_test offset1-1.2.3 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 3;
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} {4 d 5 e 6 w}
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do_execsql_test offset1-1.2.4 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 4;
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} {5 e 6 w 7 x}
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do_execsql_test offset1-1.2.5 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 5;
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} {6 w 7 x 8 y}
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do_execsql_test offset1-1.2.6 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 6;
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} {7 x 8 y 9 z}
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do_execsql_test offset1-1.2.7 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 7;
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} {8 y 9 z}
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do_execsql_test offset1-1.2.8 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 8;
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} {9 z}
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do_execsql_test offset1-1.2.9 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 9;
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} {}
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do_execsql_test offset1-1.3.0 {
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SELECT * FROM t1 LIMIT 0;
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} {}
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do_execsql_test offset1-1.4.0 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 0 OFFSET 1;
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} {}
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do_execsql_test offset1-1.4.1 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 1 OFFSET 1;
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} {2 b}
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do_execsql_test offset1-1.4.2 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 2 OFFSET 1;
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} {2 b 3 c}
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do_execsql_test offset1-1.4.3 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 3 OFFSET 1;
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} {2 b 3 c 4 d}
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do_execsql_test offset1-1.4.4 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 4 OFFSET 1;
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} {2 b 3 c 4 d 5 e}
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do_execsql_test offset1-1.4.5 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 5 OFFSET 1;
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} {2 b 3 c 4 d 5 e 6 w}
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do_execsql_test offset1-1.4.6 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 6 OFFSET 1;
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} {2 b 3 c 4 d 5 e 6 w 7 x}
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do_execsql_test offset1-1.4.7 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 7 OFFSET 1;
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} {2 b 3 c 4 d 5 e 6 w 7 x 8 y}
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do_execsql_test offset1-1.4.8 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 8 OFFSET 1;
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} {2 b 3 c 4 d 5 e 6 w 7 x 8 y 9 z}
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do_execsql_test offset1-1.4.9 {
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SELECT a, b FROM t1
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UNION ALL
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SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
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LIMIT 9 OFFSET 1;
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} {2 b 3 c 4 d 5 e 6 w 7 x 8 y 9 z}
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finish_test
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