drh
fcde633f7c
make sure all its columns are flushed to NULL when it finishes so that they appear to be NULL during the RIGHT JOIN post-processing. FossilOrigin-Name: f84b2beca719758979d7a5a63c3d16d5121a7518b3fbe5039af474a83dd569c2
113 lines
2.6 KiB
Plaintext
113 lines
2.6 KiB
Plaintext
# 2022-04-09
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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.
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#
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# This file implements tests for RIGHT and FULL OUTER JOINs.
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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db nullvalue NULL
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do_execsql_test join7-1.1 {
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CREATE TABLE t1(a int,b int);
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INSERT INTO t1 VALUES(1,2),(1,3),(1,4);
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CREATE INDEX t1a ON t1(a);
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CREATE TABLE t2(c int,d int);
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INSERT INTO t2 VALUES(3,33),(4,44),(5,55);
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CREATE INDEX t2c ON t2(c);
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CREATE VIEW dual AS SELECT 'x' AS dummy;
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SELECT b, d FROM t1 FULL OUTER JOIN t2 ON b=c ORDER BY +b;
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} {
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NULL 55
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2 NULL
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3 33
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4 44
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}
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do_execsql_test join7-1.2 {
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SELECT a, c FROM t1 FULL OUTER JOIN t2 ON b=c ORDER BY +b;
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} {
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NULL 5
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1 NULL
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1 3
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1 4
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}
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do_execsql_test join7-1.3 {
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SELECT * FROM t1 FULL OUTER JOIN t2 ON b=c ORDER BY +b;
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} {
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NULL NULL 5 55
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1 2 NULL NULL
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1 3 3 33
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1 4 4 44
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}
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do_execsql_test join7-1.4a {
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SELECT * FROM t1 RIGHT OUTER JOIN t2 ON b=c ORDER BY +b;
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} {
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NULL NULL 5 55
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1 3 3 33
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1 4 4 44
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}
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do_execsql_test join7-1.4b {
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SELECT * FROM dual JOIN t1 ON true RIGHT OUTER JOIN t2 ON b=c ORDER BY +b;
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} {
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NULL NULL NULL 5 55
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x 1 3 3 33
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x 1 4 4 44
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}
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do_execsql_test join7-1.4c {
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SELECT * FROM dual CROSS JOIN t1 RIGHT OUTER JOIN t2 ON b=c ORDER BY +b;
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} {
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NULL NULL NULL 5 55
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x 1 3 3 33
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x 1 4 4 44
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}
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do_execsql_test join7-1.5 {
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SELECT * FROM t1 LEFT OUTER JOIN t2 ON b=c ORDER BY +b;
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} {
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1 2 NULL NULL
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1 3 3 33
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1 4 4 44
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}
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do_execsql_test join7-2.1 {
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SELECT * FROM t1 FULL OUTER JOIN t2 ON b=c AND a=1 ORDER BY +b;
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} {
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NULL NULL 5 55
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1 2 NULL NULL
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1 3 3 33
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1 4 4 44
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}
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do_execsql_test join7-2.2 {
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SELECT * FROM t1 FULL OUTER JOIN t2 ON b=c WHERE a=1 ORDER BY +b;
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} {
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1 2 NULL NULL
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1 3 3 33
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1 4 4 44
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}
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do_execsql_test join7-2.3 {
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SELECT * FROM t1 FULL OUTER JOIN t2 ON b=c WHERE a IS NULL ORDER BY +d;
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} {
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NULL NULL 3 33
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NULL NULL 4 44
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NULL NULL 5 55
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}
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do_execsql_test join7-2.4 {
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SELECT * FROM t1 FULL OUTER JOIN t2 ON b=c AND d<=0 ORDER BY +b, +d;
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} {
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NULL NULL 3 33
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NULL NULL 4 44
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NULL NULL 5 55
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1 2 NULL NULL
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1 3 NULL NULL
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1 4 NULL NULL
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}
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finish_test
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