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