Skip to content

Projections require unique expression names error #9130

@lewiszlw

Description

@lewiszlw

Describe the bug

Datafusion failed to execute select * from (t1 cross join t2) as t cross join t3 with error message

Error during planning: Projections require unique expression names but the expression "t.a" at position 0 and "t.a" at position 2 have the same name. Consider aliasing ("AS") one of them.

I tested on sqlite3 and it return expected result.
latest commit: 840499f

To Reproduce

create table t1 (a int, b int);
create table t2 (a int, b int);
create table t3 (a int, b int);
insert into t1 values (1, 2);
insert into t2 values (3, 4);
insert into t3 values (5, 6);
select * from (t1 cross join t2) as t cross join t3;

Expected behavior

Return result like sqlite3

1|2|3|4|5|6

Additional context

No response

Metadata

Metadata

Assignees

No one assigned

    Labels

    bugSomething isn't working

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions