diff options
Diffstat (limited to 'test/hidden.test')
| -rw-r--r-- | test/hidden.test | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/test/hidden.test b/test/hidden.test new file mode 100644 index 0000000..1db2cad --- /dev/null +++ b/test/hidden.test @@ -0,0 +1,153 @@ +# 2015 November 18 +# +# 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. +# +#*********************************************************************** +# +# Test the __hidden__ hack. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl +set testprefix hidden + +ifcapable !hiddencolumns { + finish_test + return +} + +do_execsql_test 1.1 { + CREATE TABLE t1(__hidden__a, b); + INSERT INTO t1 VALUES('1'); + INSERT INTO t1(__hidden__a, b) VALUES('x', 'y'); +} {} + +do_execsql_test 1.2 { + SELECT * FROM t1; +} {1 y} + +do_execsql_test 1.3 { + SELECT __hidden__a, * FROM t1; +} {{} 1 x y} + +foreach {tn view} { + 1 { CREATE VIEW v1(a, b, __hidden__c) AS SELECT a, b, c FROM x1 } + 2 { CREATE VIEW v1 AS SELECT a, b, c AS __hidden__c FROM x1 } +} { + do_execsql_test 2.$tn.1 { + DROP TABLE IF EXISTS x1; + CREATE TABLE x1(a, b, c); + INSERT INTO x1 VALUES(1, 2, 3); + } + + catchsql { DROP VIEW v1 } + execsql $view + + do_execsql_test 2.$tn.2 { + SELECT a, b, __hidden__c FROM v1; + } {1 2 3} + + do_execsql_test 2.$tn.3 { + SELECT * FROM v1; + } {1 2} + + do_execsql_test 2.$tn.4 { + CREATE TRIGGER tr1 INSTEAD OF INSERT ON v1 BEGIN + INSERT INTO x1 VALUES(new.a, new.b, new.__hidden__c); + END; + + INSERT INTO v1 VALUES(4, 5); + SELECT * FROM x1; + } {1 2 3 4 5 {}} + + do_execsql_test 2.$tn.5 { + INSERT INTO v1(a, b, __hidden__c) VALUES(7, 8, 9); + SELECT * FROM x1; + } {1 2 3 4 5 {} 7 8 9} +} + +#------------------------------------------------------------------------- +# Test INSERT INTO ... SELECT ... statements that write to tables with +# hidden columns. +# +do_execsql_test 3.1 { + CREATE TABLE t4(a, __hidden__b, c); + INSERT INTO t4 SELECT 1, 2; + SELECT a, __hidden__b, c FROM t4; +} {1 {} 2} + +do_execsql_test 3.2.1 { + CREATE TABLE t5(__hidden__a, b, c); + CREATE TABLE t6(__hidden__a, b, c); + INSERT INTO t6(__hidden__a, b, c) VALUES(1, 2, 3); + INSERT INTO t6(__hidden__a, b, c) VALUES(4, 5, 6); + INSERT INTO t6(__hidden__a, b, c) VALUES(7, 8, 9); +} + +do_execsql_test 3.2.2 { + INSERT INTO t5 SELECT * FROM t6; + SELECT * FROM t5; +} {2 3 5 6 8 9} + +do_execsql_test 3.2.3 { + SELECT __hidden__a FROM t5; +} {{} {} {}} + + +do_execsql_test 3.3.1 { + CREATE TABLE t5a(a, b, __hidden__c); + CREATE TABLE t6a(a, b, __hidden__c); + INSERT INTO t6a(a, b, __hidden__c) VALUES(1, 2, 3); + INSERT INTO t6a(a, b, __hidden__c) VALUES(4, 5, 6); + INSERT INTO t6a(a, b, __hidden__c) VALUES(7, 8, 9); +} + +do_execsql_test 3.3.2 { + INSERT INTO t5a SELECT * FROM t6a; + SELECT * FROM t5a; +} {1 2 4 5 7 8} + +do_execsql_test 3.3.3 { + SELECT __hidden__c FROM t5a; +} {{} {} {}} + +do_execsql_test 3.4.1 { + CREATE TABLE t5b(a, __hidden__b, c); + CREATE TABLE t6b(a, b, __hidden__c); + INSERT INTO t6b(a, b, __hidden__c) VALUES(1, 2, 3); + INSERT INTO t6b(a, b, __hidden__c) VALUES(4, 5, 6); + INSERT INTO t6b(a, b, __hidden__c) VALUES(7, 8, 9); +} + +do_execsql_test 3.4.2 { + INSERT INTO t5b SELECT * FROM t6b; + SELECT * FROM t5b; +} {1 2 4 5 7 8} + +do_execsql_test 3.4.3 { + SELECT __hidden__b FROM t5b; +} {{} {} {}} + +#------------------------------------------------------------------------- +# Test VACUUM +# +reset_db +do_execsql_test 4.1 { + CREATE TABLE t1(a, __hidden__b, c UNIQUE); + INSERT INTO t1(a, __hidden__b, c) VALUES(1, 2, 3); + INSERT INTO t1(a, __hidden__b, c) VALUES(4, 5, 6); + INSERT INTO t1(a, __hidden__b, c) VALUES(7, 8, 9); + DELETE FROM t1 WHERE __hidden__b = 5; + SELECT rowid, a, __hidden__b, c FROM t1; +} {1 1 2 3 3 7 8 9} +do_execsql_test 4.2 { + VACUUM; + SELECT rowid, a, __hidden__b, c FROM t1; +} {1 1 2 3 3 7 8 9} + +finish_test |