onlyif ClickHouse
statement ok
CREATE TABLE t1(a INTEGER, b INTEGER) ENGINE = MergeTree() PRIMARY KEY tuple()

skipif ClickHouse
statement ok
CREATE TABLE t1(a INTEGER, b INTEGER)

statement ok
INSERT INTO t1(a,b) VALUES(1,2)

statement ok
INSERT INTO t1(a,b) VALUES(3,4)

statement ok
INSERT INTO t1(a,b) VALUES(5,6)

# just ok request
query II nosort
SELECT a, b
  FROM t1
 ORDER BY 2,1
----

# will fail and write exception as a result
query II nosort
SELECT a, c
  FROM t1
 ORDER BY 2,1
----

# expect to fail
onlyif ClickHouse
query error UNKNOWN_IDENTIFIER
SELECT a, c FROM t1
----

# expect to fail
onlyif sqlite
query error No such column
SELECT a, c FROM t1
----

# expect to fail in a different way
query error expect to fail in a different way
SELECT a, c FROM t1
----

# print empty as (empty)
query T nosort
SELECT ''
----
(empty)

# without result set
query T nosort
SELECT ''
----

# without result and saparator
query T nosort
SELECT ''

# just ok with REAL
query R nosort
SELECT -1.0
----
-1.000

# just ok with signed
query I nosort
SELECT -1
----
-1

# just ok
query RI nosort
SELECT 1.0, 1
----
1.000 1

# mess with columns count
query R nosort
SELECT 1.0, 1
----
1.000 1

# mess with columns count
query RT nosort
SELECT 1.0
----
1.000

# empty result set
query II nosort
select a, b from t1 where a = b
----

# precise is 3 digits
query R nosort
SELECT 1.0013
----
1.001

query T nosort
SELECT NULL as a
----
NULL

onlyif ClickHouse
query I nosort
SELECT CAST(NULL AS Nullable(INTEGER))
----
NULL

query T nosort
SELECT NULL
----
NULL NULL

# thish check how result hashing works
query IIIIIIIIIIIIIII nosort
SELECT 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
----

skipif ClickHouse
query I nosort
WITH RECURSIVE
  cnt(x) AS (
     SELECT 1
     UNION ALL
     SELECT x+1 FROM cnt
      LIMIT 20
  )
SELECT x FROM cnt;
----
20 values hashing to 52c46dff81346ead02fcf6245c762b1a

onlyif ClickHouse
query I nosort
SELECT number+1 from system.numbers LIMIT 20
----
20 values hashing to 52c46dff81346ead02fcf6245c762b1a