thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-29 02:52:13 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #16106 from den-crane/test/bug_8580

Browse Source 
test for the bug #8580
This commit is contained in:
alexey-milovidov 2020-10-18 04:36:02 +03:00 committed by GitHub
commit 882a600a8f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
tests/queries/0_stateless/01518_cast_nullable_virtual_system_column.reference Normal file
View File

@ -0,0 +1 @@
all tests passed

7
tests/queries/0_stateless/01518_cast_nullable_virtual_system_column.sql Normal file
View File

@ -0,0 +1,7 @@
SELECT database FROM system.tables WHERE database LIKE '%' format Null;
SELECT database AS db FROM system.tables WHERE db LIKE '%' format Null;
SELECT CAST(database, 'String') AS db FROM system.tables WHERE db LIKE '%' format Null;
SELECT CAST('a string', 'Nullable(String)') AS str WHERE str LIKE '%' format Null;
SELECT CAST(database, 'Nullable(String)') AS ndb FROM system.tables WHERE ndb LIKE '%' format Null;
SELECT 'all tests passed';