# name: test/sql/pivot/unpivot_expression.test
# description: Test expressions in UNPIVOT
# group: [pivot]

statement ok
PRAGMA enable_verification

query II
unpivot (select 42 as col1, 'woot' as col2)
    on col1::VARCHAR, col2;
----
col1	42
col2	woot

query II
unpivot (select 42 as col1, 'woot' as col2)
    on COLUMNS(*)::VARCHAR;
----
col1	42
col2	woot

query II
unpivot (select 42 as col1, 'woot' as col2)
    on (col1 + 100)::VARCHAR, col2;
----
col1	142
col2	woot

query II
unpivot (select 42 as col1, 'woot' as col2)
    on (col1 + 100)::VARCHAR AS c, col2;
----
c	142
col2	woot

query II
select * from (select 42 as col1, 'woot' as col2) UNPIVOT ("value" FOR "name" IN (col1::VARCHAR, col2))
----
col1	42
col2	woot

# subqueries
statement error
unpivot (select 42 as col1, 'woot' as col2)
    on (col1 + (SELECT col1))::VARCHAR, col2;
----
<REGEX>:.*Binder Error.*UNPIVOT list cannot contain subqueries.*

statement error
unpivot (select 42 as col1, 'woot' as col2)
    on random(), col2;
----
<REGEX>:.*Binder Error.*UNPIVOT clause must contain exactly one column.*

statement error
unpivot (select 42 as col1, 'woot' as col2)
    on col1 + col2;
----
<REGEX>:.*Binder Error.*UNPIVOT clause must contain exactly one column.*

statement error
unpivot (select 42 as col1, 'woot' as col2)
    on t.col1::VARCHAR, col2;
----
<REGEX>:.*Binder Error.*not found.*