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Diffstat (limited to 'test/selectD.test')
| -rw-r--r-- | test/selectD.test | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/test/selectD.test b/test/selectD.test new file mode 100644 index 0000000..89f999e --- /dev/null +++ b/test/selectD.test @@ -0,0 +1,174 @@ +# 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 1 AS x2 USING AUTOMATIC.*/} + +finish_test |