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Overview
| Comment: | Additional test cases for nested subqueries in a WHERE clause. (CVS 5999) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 4f10f19dd1e66cd29b0e1e26506154d6 |
| User & Date: | drh 2008-12-09 13:12:57 |
Context
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2008-12-09
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| 14:03 | Finish incomplete edit of resolve.c from check-in (5998). (CVS 6000) check-in: 0d7e150e user: drh tags: trunk | |
| 13:12 | Additional test cases for nested subqueries in a WHERE clause. (CVS 5999) check-in: 4f10f19d user: drh tags: trunk | |
| 13:04 | A subquery in the result set of a SELECT should be able to look into outer queries to find variable references. But a subquery in the FROM clause should not be able to do this. Ticket #3530. (CVS 5998) check-in: be03fa05 user: drh tags: trunk | |
Changes
Changes to test/tkt3346.test.
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# 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 the fix for ticket #3346 # # $Id: tkt3346.test,v 1.2 2008/12/09 13:04:29 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl do_test tkt3346-1.1 { db eval { CREATE TABLE t1(a,b); ................................................................................ INSERT INTO t1 VALUES(2,'bob'); INSERT INTO t1 VALUES(1,'alice'); INSERT INTO t1 VALUES(3,'claire'); SELECT *, ( SELECT y FROM (SELECT x.b='alice' AS y) ) FROM ( SELECT * FROM t1 ) AS x; } } {2 bob 0 1 alice 1 3 claire 0} # Ticket #3530 # # As shown by ticket #3346 above (see also ticket #3298) it is important # that a subquery in the result-set be able to look up through multiple # FROM levels in order to view tables in the FROM clause at the top level. # |
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# 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 the fix for ticket #3346 # # $Id: tkt3346.test,v 1.3 2008/12/09 13:12:57 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl do_test tkt3346-1.1 { db eval { CREATE TABLE t1(a,b); ................................................................................ INSERT INTO t1 VALUES(2,'bob'); INSERT INTO t1 VALUES(1,'alice'); INSERT INTO t1 VALUES(3,'claire'); SELECT *, ( SELECT y FROM (SELECT x.b='alice' AS y) ) FROM ( SELECT * FROM t1 ) AS x; } } {2 bob 0 1 alice 1 3 claire 0} do_test tkt3346-1.2 { db eval { SELECT b FROM (SELECT * FROM t1) AS x WHERE (SELECT y FROM (SELECT x.b='alice' AS y))=0 } } {bob claire} do_test tkt3346-1.3 { db eval { SELECT b FROM (SELECT * FROM t1 ORDER BY a) AS x WHERE (SELECT y FROM (SELECT a||b y FROM t1 WHERE t1.b=x.b))=(x.a||x.b) } } {alice bob claire} do_test tkt3346-1.4 { db eval { SELECT b FROM (SELECT * FROM t1 ORDER BY a) AS x WHERE (SELECT y FROM (SELECT a||b y FROM t1 WHERE t1.b=x.b))=('2'||x.b) } } {bob} # Ticket #3530 # # As shown by ticket #3346 above (see also ticket #3298) it is important # that a subquery in the result-set be able to look up through multiple # FROM levels in order to view tables in the FROM clause at the top level. # |