ClickHouse/tests/queries/0_stateless/01277_buffer_column_order.sql

60 lines
1.8 KiB
SQL

-- Check for Block::sortColumns(), can be done using Buffer.
drop table if exists out_01277;
drop table if exists in_01277;
drop table if exists buffer_01277;
drop table if exists mv_01277_1;
drop table if exists mv_01277_2;
create table out_01277
(
k1 Int,
k2 Int,
a1 Int,
a2 Int,
b1 Int,
b2 Int,
c Int
) Engine=Null();
create table buffer_01277 as out_01277 Engine=Buffer(currentDatabase(), out_01277, 1,
86400, 86400,
1e5, 1e6,
10e6, 100e6);
create table in_01277 as out_01277 Engine=Null();
-- differs in order of fields in SELECT clause
create materialized view mv_01277_1 to buffer_01277 as select k1, k2, a1, a2, b1, b2, c from in_01277;
create materialized view mv_01277_2 to buffer_01277 as select a1, a2, k1, k2, b1, b2, c from in_01277;
-- column order is ignored, just for humans
insert into mv_01277_1 select
number k1,
number k2,
number a1,
number a2,
number b1,
number b2,
number c
from numbers(1);
-- with wrong order in Block::sortColumns() triggers:
--
-- Code: 171. DB::Exception: Received from localhost:9000. DB::Exception: Block structure mismatch in Buffer stream: different names of columns:
-- c Int32 Int32(size = 1), b2 Int32 Int32(size = 1), a2 Int32 Int32(size = 1), a1 Int32 Int32(size = 1), k2 Int32 Int32(size = 1), b1 Int32 Int32(size = 1), k1 Int32 Int32(size = 1)
-- c Int32 Int32(size = 1), b2 Int32 Int32(size = 1), k2 Int32 Int32(size = 1), a1 Int32 Int32(size = 1), b1 Int32 Int32(size = 1), k1 Int32 Int32(size = 1), a2 Int32 Int32(size = 1).
insert into mv_01277_2 select
number a1,
number a2,
number k1,
number k2,
number b1,
number b2,
number c
from numbers(1);
drop table mv_01277_1;
drop table mv_01277_2;
drop table buffer_01277;
drop table out_01277;
drop table in_01277;