175 lines
5.2 KiB
Plaintext
175 lines
5.2 KiB
Plaintext
# 2012 December 19
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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 name resolution in SELECT
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# statements that have parenthesized FROM clauses.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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for {set i 1} {$i<=2} {incr i} {
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db close
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forcedelete test$i.db
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sqlite3 db test$i.db
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if {$i==2} {
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optimization_control db query-flattener off
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}
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do_test selectD-$i.0 {
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db eval {
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ATTACH ':memory:' AS aux1;
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CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(111,'x1');
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CREATE TABLE t2(a,b); INSERT INTO t2 VALUES(222,'x2');
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CREATE TEMP TABLE t3(a,b); INSERT INTO t3 VALUES(333,'x3');
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CREATE TABLE main.t4(a,b); INSERT INTO main.t4 VALUES(444,'x4');
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CREATE TABLE aux1.t4(a,b); INSERT INTO aux1.t4 VALUES(555,'x5');
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}
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} {}
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do_test selectD-$i.1 {
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db eval {
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SELECT *
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FROM (t1), (t2), (t3), (t4)
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WHERE t4.a=t3.a+111
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AND t3.a=t2.a+111
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AND t2.a=t1.a+111;
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}
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} {111 x1 222 x2 333 x3 444 x4}
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do_test selectD-$i.2.1 {
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db eval {
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SELECT *
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FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
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ON t3.a=t2.a+111)
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ON t2.a=t1.a+111;
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}
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} {111 x1 222 x2 333 x3 444 x4}
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do_test selectD-$i.2.2 {
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db eval {
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SELECT t3.a
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FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
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ON t3.a=t2.a+111)
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ON t2.a=t1.a+111;
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}
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} {333}
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do_test selectD-$i.2.3 {
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db eval {
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SELECT t3.*
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FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
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ON t3.a=t2.a+111)
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ON t2.a=t1.a+111;
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}
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} {333 x3}
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do_test selectD-$i.2.3 {
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db eval {
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SELECT t3.*, t2.*
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FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
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ON t3.a=t2.a+111)
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ON t2.a=t1.a+111;
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}
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} {333 x3 222 x2}
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do_test selectD-$i.2.4 {
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db eval {
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SELECT *
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FROM t1 JOIN (t2 JOIN (main.t4 JOIN aux1.t4 ON aux1.t4.a=main.t4.a+111)
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ON main.t4.a=t2.a+222)
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ON t2.a=t1.a+111;
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}
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} {111 x1 222 x2 444 x4 555 x5}
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do_test selectD-$i.2.5 {
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db eval {
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SELECT *
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FROM t1 JOIN (t2 JOIN (main.t4 AS x JOIN aux1.t4 ON aux1.t4.a=x.a+111)
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ON x.a=t2.a+222)
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ON t2.a=t1.a+111;
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}
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} {111 x1 222 x2 444 x4 555 x5}
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do_test selectD-$i.2.6 {
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catchsql {
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SELECT *
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FROM t1 JOIN (t2 JOIN (main.t4 JOIN aux.t4 ON aux.t4.a=main.t4.a+111)
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ON main.t4.a=t2.a+222)
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ON t2.a=t1.a+111;
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}
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} {1 {no such table: aux.t4}}
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do_test selectD-$i.2.7 {
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db eval {
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SELECT x.a, y.b
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FROM t1 JOIN (t2 JOIN (main.t4 x JOIN aux1.t4 y ON y.a=x.a+111)
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ON x.a=t2.a+222)
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ON t2.a=t1.a+111;
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}
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} {444 x5}
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do_test selectD-$i.3 {
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db eval {
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UPDATE t2 SET a=111;
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UPDATE t3 SET a=111;
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UPDATE t4 SET a=111;
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SELECT *
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FROM t1 JOIN (t2 JOIN (t3 JOIN t4 USING(a)) USING (a)) USING (a);
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}
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} {111 x1 x2 x3 x4}
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do_test selectD-$i.4 {
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db eval {
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UPDATE t2 SET a=111;
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UPDATE t3 SET a=111;
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UPDATE t4 SET a=111;
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SELECT *
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FROM t1 LEFT JOIN (t2 LEFT JOIN (t3 LEFT JOIN t4 USING(a))
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USING (a))
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USING (a);
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}
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} {111 x1 x2 x3 x4}
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do_test selectD-$i.5 {
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db eval {
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UPDATE t3 SET a=222;
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UPDATE t4 SET a=222;
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SELECT *
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FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a))
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ON t1.a=t3.a-111;
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}
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} {111 x1 x2 222 x3 x4}
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do_test selectD-$i.6 {
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db eval {
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UPDATE t4 SET a=333;
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SELECT *
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FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a))
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ON t1.a=t3.a-111;
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}
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} {111 x1 x2 222 x3 {}}
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do_test selectD-$i.7 {
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db eval {
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SELECT t1.*, t2.*, t3.*, t4.b
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FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a))
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ON t1.a=t3.a-111;
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}
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} {111 x1 111 x2 222 x3 {}}
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}
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# The following test was added on 2013-04-24 in order to verify that
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# the datatypes and affinities of sub-sub-queries are set prior to computing
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# the datatypes and affinities of the parent sub-queries because the
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# latter computation depends on the former.
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#
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do_execsql_test selectD-4.1 {
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CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
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CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
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CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
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EXPLAIN QUERY PLAN
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SELECT *
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FROM t41
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LEFT JOIN (SELECT count(*) AS cnt, x1.d
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FROM (t42 INNER JOIN t43 ON d=g) AS x1
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WHERE x1.d>5
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GROUP BY x1.d) AS x2
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ON t41.b=x2.d;
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} {/.*SEARCH SUBQUERY 1 AS x2 USING AUTOMATIC.*/}
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finish_test
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