# 2008 July 15 # # 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 SQLite library. # # The focus of this file is testing how SQLite generates the names # of columns in a result set. # set testdir [file dirname $argv0] source $testdir/tester.tcl # Rules (applied in order): # # (1) If there is an AS clause, use it. # # (2) A non-trival expression (not a table column name) then the name is # a copy of the expression text. # # (3) If short_column_names=ON, then just the abbreviated column name without # the table name. # # (4) When short_column_names=OFF and full_column_names=OFF then # use case (2) for simple queries and case (5) for joins. # # (5) When short_column_names=OFF and full_column_names=ON then # use the form: TABLE.COLUMN # # Verify the default settings for short_column_name and full_column_name # do_test colname-1.1 { db eval {PRAGMA short_column_names} } {1} do_test colname-1.2 { db eval {PRAGMA full_column_names} } {0} # Tests for then short=ON and full=any # do_test colname-2.1 { db eval { CREATE TABLE tabc(a,b,c); INSERT INTO tabc VALUES(1,2,3); CREATE TABLE txyz(x,y,z); INSERT INTO txyz VALUES(4,5,6); CREATE TABLE tboth(a,b,c,x,y,z); INSERT INTO tboth VALUES(11,12,13,14,15,16); CREATE VIEW v1 AS SELECT tabC.a, txyZ.x, * FROM tabc, txyz ORDER BY 1 LIMIT 1; CREATE VIEW v2 AS SELECT tabC.a, txyZ.x, tboTh.a, tbotH.x, * FROM tabc, txyz, tboth ORDER BY 1 LIMIT 1; } execsql2 { SELECT * FROM tabc; } } {a 1 b 2 c 3} do_test colname-2.2 { execsql2 { SELECT Tabc.a, tAbc.b, taBc.c, * FROM tabc } } {a 1 b 2 c 3 a 1 b 2 c 3} do_test colname-2.3 { execsql2 { SELECT +tabc.a, -tabc.b, tabc.c, * FROM tabc } } {+tabc.a 1 -tabc.b -2 c 3 a 1 b 2 c 3} do_test colname-2.4 { execsql2 { SELECT +tabc.a AS AAA, -tabc.b AS BBB, tabc.c CCC, * FROM tabc } } {AAA 1 BBB -2 CCC 3 a 1 b 2 c 3} do_test colname-2.5 { execsql2 { SELECT tabc.a, txyz.x, * FROM tabc, txyz; } } {a 1 x 4 a 1 b 2 c 3 x 4 y 5 z 6} do_test colname-2.6 { execsql2 { SELECT tabc.a, txyz.x, tabc.*, txyz.* FROM tabc, txyz; } } {a 1 x 4 a 1 b 2 c 3 x 4 y 5 z 6} do_test colname-2.7 { execsql2 { SELECT tabc.a, txyz.x, tboth.a, tboth.x, * FROM tabc, txyz, tboth; } } {a 11 x 14 a 11 x 14 a 11 b 12 c 13 x 14 y 15 z 16 a 11 b 12 c 13 x 14 y 15 z 16} do_test colname-2.8 { execsql2 { SELECT * FROM v1 ORDER BY 2; } } {a 1 x 4 a:1 1 b 2 c 3 x:1 4 y 5 z 6} do_test colname-2.9 { execsql2 { SELECT * FROM v2 ORDER BY 2; } } {a 1 x 4 a:1 11 x:1 14 a:2 1 b 2 c 3 x:2 4 y 5 z 6 a:3 11 b:1 12 c:1 13 x:3 14 y:1 15 z:1 16} # Tests for short=OFF and full=OFF # do_test colname-3.1 { db eval { PRAGMA short_column_names=OFF; PRAGMA full_column_names=OFF; CREATE VIEW v3 AS SELECT tabC.a, txyZ.x, * FROM tabc, txyz ORDER BY 1 LIMIT 1; CREATE VIEW v4 AS SELECT tabC.a, txyZ.x, tboTh.a, tbotH.x, * FROM tabc, txyz, tboth ORDER BY 1 LIMIT 1; } execsql2 { SELECT * FROM tabc; } } {a 1 b 2 c 3} do_test colname-3.2 { execsql2 { SELECT Tabc.a, tAbc.b, taBc.c FROM tabc } } {Tabc.a 1 tAbc.b 2 taBc.c 3} do_test colname-3.3 { execsql2 { SELECT +tabc.a, -tabc.b, tabc.c FROM tabc } } {+tabc.a 1 -tabc.b -2 tabc.c 3} do_test colname-3.4 { execsql2 { SELECT +tabc.a AS AAA, -tabc.b AS BBB, tabc.c CCC FROM tabc } } {AAA 1 BBB -2 CCC 3} do_test colname-3.5 { execsql2 { SELECT Tabc.a, Txyz.x, * FROM tabc, txyz; } } {Tabc.a 1 Txyz.x 4 a 1 b 2 c 3 x 4 y 5 z 6} do_test colname-3.6 { execsql2 { SELECT tabc.*, txyz.* FROM tabc, txyz; } } {a 1 b 2 c 3 x 4 y 5 z 6} do_test colname-3.7 { execsql2 { SELECT * FROM tabc, txyz, tboth; } } {a 11 b 12 c 13 x 14 y 15 z 16 a 11 b 12 c 13 x 14 y 15 z 16} do_test colname-3.8 { execsql2 { SELECT v1.a, * FROM v1 ORDER BY 2; } } {v1.a 1 a 1 x 4 a:1 1 b 2 c 3 x:1 4 y 5 z 6} do_test colname-3.9 { execsql2 { SELECT * FROM v2 ORDER BY 2; } } {a 1 x 4 a:1 11 x:1 14 a:2 1 b 2 c 3 x:2 4 y 5 z 6 a:3 11 b:1 12 c:1 13 x:3 14 y:1 15 z:1 16} do_test colname-3.10 { execsql2 { SELECT * FROM v3 ORDER BY 2; } } {a 1 x 4 a:1 1 b 2 c 3 x:1 4 y 5 z 6} do_test colname-3.11 { execsql2 { SELECT * FROM v4 ORDER BY 2; } } {a 1 x 4 a:1 11 x:1 14 a:2 1 b 2 c 3 x:2 4 y 5 z 6 a:3 11 b:1 12 c:1 13 x:3 14 y:1 15 z:1 16} # Test for short=OFF and full=ON # do_test colname-4.1 { db eval { PRAGMA short_column_names=OFF; PRAGMA full_column_names=ON; CREATE VIEW v5 AS SELECT tabC.a, txyZ.x, * FROM tabc, txyz ORDER BY 1 LIMIT 1; CREATE VIEW v6 AS SELECT tabC.a, txyZ.x, tboTh.a, tbotH.x, * FROM tabc, txyz, tboth ORDER BY 1 LIMIT 1; } execsql2 { SELECT * FROM tabc; } } {tabc.a 1 tabc.b 2 tabc.c 3} do_test colname-4.2 { execsql2 { SELECT Tabc.a, tAbc.b, taBc.c FROM tabc } } {tabc.a 1 tabc.b 2 tabc.c 3} do_test colname-4.3 { execsql2 { SELECT +tabc.a, -tabc.b, tabc.c FROM tabc } } {+tabc.a 1 -tabc.b -2 tabc.c 3} do_test colname-4.4 { execsql2 { SELECT +tabc.a AS AAA, -tabc.b AS BBB, tabc.c CCC FROM tabc } } {AAA 1 BBB -2 CCC 3} do_test colname-4.5 { execsql2 { SELECT Tabc.a, Txyz.x, * FROM tabc, txyz; } } {tabc.a 1 txyz.x 4 tabc.a 1 tabc.b 2 tabc.c 3 txyz.x 4 txyz.y 5 txyz.z 6} do_test colname-4.6 { execsql2 { SELECT tabc.*, txyz.* FROM tabc, txyz; } } {tabc.a 1 tabc.b 2 tabc.c 3 txyz.x 4 txyz.y 5 txyz.z 6} do_test colname-4.7 { execsql2 { SELECT * FROM tabc, txyz, tboth; } } {tabc.a 1 tabc.b 2 tabc.c 3 txyz.x 4 txyz.y 5 txyz.z 6 tboth.a 11 tboth.b 12 tboth.c 13 tboth.x 14 tboth.y 15 tboth.z 16} do_test colname-4.8 { execsql2 { SELECT * FROM v1 ORDER BY 2; } } {v1.a 1 v1.x 4 v1.a:1 1 v1.b 2 v1.c 3 v1.x:1 4 v1.y 5 v1.z 6} do_test colname-4.9 { execsql2 { SELECT * FROM v2 ORDER BY 2; } } {v2.a 1 v2.x 4 v2.a:1 11 v2.x:1 14 v2.a:2 1 v2.b 2 v2.c 3 v2.x:2 4 v2.y 5 v2.z 6 v2.a:3 11 v2.b:1 12 v2.c:1 13 v2.x:3 14 v2.y:1 15 v2.z:1 16} do_test colname-4.10 { execsql2 { SELECT * FROM v3 ORDER BY 2; } } {v3.a 1 v3.x 4 v3.a:1 1 v3.b 2 v3.c 3 v3.x:1 4 v3.y 5 v3.z 6} do_test colname-4.11 { execsql2 { SELECT * FROM v4 ORDER BY 2; } } {v4.a 1 v4.x 4 v4.a:1 11 v4.x:1 14 v4.a:2 1 v4.b 2 v4.c 3 v4.x:2 4 v4.y 5 v4.z 6 v4.a:3 11 v4.b:1 12 v4.c:1 13 v4.x:3 14 v4.y:1 15 v4.z:1 16} do_test colname-4.12 { execsql2 { SELECT * FROM v5 ORDER BY 2; } } {v5.a 1 v5.x 4 v5.a:1 1 v5.b 2 v5.c 3 v5.x:1 4 v5.y 5 v5.z 6} do_test colname-4.13 { execsql2 { SELECT * FROM v6 ORDER BY 2; } } {v6.a 1 v6.x 4 v6.a:1 11 v6.x:1 14 v6.a:2 1 v6.b 2 v6.c 3 v6.x:2 4 v6.y 5 v6.z 6 v6.a:3 11 v6.b:1 12 v6.c:1 13 v6.x:3 14 v6.y:1 15 v6.z:1 16} # ticket #3229 do_test colname-5.1 { lreplace [db eval { SELECT x.* FROM sqlite_master X LIMIT 1; }] 3 3 x } {table tabc tabc x {CREATE TABLE tabc(a,b,c)}} # ticket #3370, #3371, #3372 # do_test colname-6.1 { db close sqlite3 db test.db db eval { CREATE TABLE t6(a, ['a'], ["a"], "[a]", [`a`]); INSERT INTO t6 VALUES(1,2,3,4,5); } execsql2 {SELECT * FROM t6} } {a 1 'a' 2 {"a"} 3 {[a]} 4 `a` 5} do_test colname-6.2 { execsql2 {SELECT ['a'], [`a`], "[a]", [a], ["a"] FROM t6} } {'a' 2 `a` 5 {[a]} 4 a 1 {"a"} 3} do_test colname-6.3 { execsql2 {SELECT "'a'", "`a`", "[a]", "a", """a""" FROM t6} } {'a' 2 `a` 5 {[a]} 4 a 1 {"a"} 3} do_test colname-6.4 { execsql2 {SELECT `'a'`, ```a```, `[a]`, `a`, `"a"` FROM t6} } {'a' 2 `a` 5 {[a]} 4 a 1 {"a"} 3} do_test colname-6.11 { execsql2 {SELECT a, max(a) AS m FROM t6} } {a 1 m 1} do_test colname-6.12 { execsql2 {SELECT `a`, max(a) AS m FROM t6} } {a 1 m 1} do_test colname-6.13 { execsql2 {SELECT "a", max(a) AS m FROM t6} } {a 1 m 1} do_test colname-6.14 { execsql2 {SELECT [a], max(a) AS m FROM t6} } {a 1 m 1} do_test colname-6.15 { execsql2 {SELECT t6.a, max(a) AS m FROM t6} } {a 1 m 1} do_test colname-6.16 { execsql2 {SELECT ['a'], max(['a']) AS m FROM t6} } {'a' 2 m 2} do_test colname-6.17 { execsql2 {SELECT ["a"], max(["a"]) AS m FROM t6} } {{"a"} 3 m 3} do_test colname-6.18 { execsql2 {SELECT "[a]", max("[a]") AS m FROM t6} } {{[a]} 4 m 4} do_test colname-6.19 { execsql2 {SELECT "`a`", max([`a`]) AS m FROM t6} } {`a` 5 m 5} # Ticket #3429 # We cannot find anything wrong, but it never hurts to add another # test case. # do_test colname-7.1 { db eval { CREATE TABLE t7(x INTEGER PRIMARY KEY, y); INSERT INTO t7 VALUES(1,2); } execsql2 {SELECT rowid, * FROM t7} } {x 1 x 1 y 2} # Tickets #3893 and #3984. (Same problem; independently reported) # do_test colname-8.1 { db eval { CREATE TABLE "t3893"("x"); INSERT INTO t3893 VALUES(123); SELECT "y"."x" FROM (SELECT "x" FROM "t3893") AS "y"; } } {123} # 2017-07-29: Interaction between column naming and query flattening. # For years now, the query flattener has inserted AS clauses on the # outer query that were the original SQL text of the column. This caused # column-name shifts when the query flattener was enhanced, breaking # legacy applications. See https://sqlite.org/src/info/41c27bc0ff1d3135 # for details. # # To fix this, the column naming logic was moved ahead of the query # flattener so that column names are assigned before the query flattener # runs. # db close sqlite3 db :memory: do_test colname-9.100 { db eval { CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,2); CREATE VIEW v1(x,y) AS SELECT a,b FROM t1; } execsql2 {SELECT v1.x, (Y) FROM v1} # Prior to the fix, this would return: "v1.x 1 (Y) 2" } {x 1 y 2} do_test colname-9.110 { execsql2 {SELECT * FROM v1} } {x 1 y 2} do_test colname-9.120 { db eval { CREATE VIEW v2(x,y) AS SELECT a,b FROM t1 LIMIT 10; } execsql2 {SELECT * FROM v2 WHERE 1} } {x 1 y 2} do_test colname-9.130 { execsql2 {SELECT v2.x, [v2].[y] FROM v2 WHERE 1} } {x 1 y 2} do_test colname-9.140 { execsql2 {SELECT +x, +y FROM v2 WHERE 1} } {+x 1 +y 2} do_test colname-9.200 { db eval { CREATE TABLE t2(c,d); INSERT INTO t2 VALUES(3,4); CREATE VIEW v3 AS SELECT c AS a, d AS b FROM t2; } execsql2 {SELECT t1.a, v3.a AS n FROM t1 LEFT JOIN v3} } {a 1 n 3} do_test colname-9.211 { execsql2 {SELECT t1.a AS n, v3.a FROM t1 JOIN v3} } {n 1 a 3} do_test colname-9.210 { execsql2 {SELECT t1.a, v3.a AS n FROM t1 JOIN v3} } {a 1 n 3} # 2017-12-23: Ticket https://www.sqlite.org/src/info/3b4450072511e621 # Inconsistent column names in CREATE TABLE AS # # Verify that the names of columns in the created table of a CREATE TABLE AS # are the same as the names of result columns in the SELECT statement. # do_execsql_test colname-9.300 { DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t2; CREATE TABLE t1(aaa INT); INSERT INTO t1(aaa) VALUES(123); } do_test colname-9.310 { execsql2 {SELECT BBb FROM (SELECT aaa AS Bbb FROM t1)} } {Bbb 123} ifcapable vtab { do_execsql_test colname-9.320 { CREATE TABLE t2 AS SELECT BBb FROM (SELECT aaa AS Bbb FROM t1); SELECT name FROM pragma_table_info('t2'); } {Bbb} } # Issue detected by OSSFuzz on 2017-12-24 (Christmas Eve) # caused by check-in https://sqlite.org/src/info/6b2ff26c25 # # Prior to being fixed, the following CREATE TABLE was dereferencing # a NULL pointer and segfaulting. # do_catchsql_test colname-9.400 { CREATE TABLE t4 AS SELECT #0; } {1 {near "#0": syntax error}} # Issue detected by OSSFuzz on 2017-12-25 (Christmas Day) # also caused by check-in https://sqlite.org/src/info/6b2ff26c25 # # Prior to being fixed, the following CREATE TABLE caused an # assertion fault. # do_catchsql_test colname-9.410 { CREATE TABLE t5 AS SELECT RAISE(abort,a); } {1 {RAISE() may only be used within a trigger-program}} # Make sure the quotation marks get removed from the column names # when constructing a new table from an aggregate SELECT. # Email from Juergen Palm on 2017-07-11. # do_execsql_test colname-10.100 { DROP TABLE IF EXISTS t1; CREATE TABLE t1("with space" TEXT); DROP TABLE IF EXISTS t2; CREATE TABLE t2 AS SELECT "with space" FROM t1; PRAGMA table_info(t2); } {0 {with space} TEXT 0 {} 0} do_execsql_test colname-10.110 { DROP TABLE IF EXISTS t3; CREATE TABLE t3 AS SELECT "with space" FROM t1 GROUP BY 1; PRAGMA table_info(t3); } {0 {with space} TEXT 0 {} 0} finish_test