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Regression test for InterpreterSelectQuery scope in PushingToViewsBlockOutputStream

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It is too complex, so I'm not sure that it is worth it.
This commit is contained in:
Azat Khuzhin 2019-11-03 22:50:34 +03:00
parent 531fb7f867
commit f58f1517e0
2 changed files with 29 additions and 0 deletions
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dbms/tests/queries/0_stateless/01023_materialized_view_query_context.reference Normal file
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dbms/tests/queries/0_stateless/01023_materialized_view_query_context.sql Normal file
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-- Create dictionary, since dictGet*() uses DB::Context in executeImpl()
-- (To cover scope of the Context in DB::PushingToViewsBlockOutputStream::process)
DROP DATABASE IF EXISTS dict_in_01023;
CREATE DATABASE dict_in_01023;
CREATE TABLE dict_in_01023.input (key UInt64, val UInt64) Engine=Memory();
CREATE DICTIONARY dict_in_01023.dict
(
key UInt64 DEFAULT 0,
val UInt64 DEFAULT 1
)
PRIMARY KEY key
SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'input' PASSWORD '' DB 'dict_in_01023'))
LIFETIME(MIN 0 MAX 0)
LAYOUT(HASHED());
CREATE TABLE input (key UInt64) Engine=Distributed(test_shard_localhost, currentDatabase(), buffer_, key);
CREATE TABLE null_ (key UInt64) Engine=Null();
CREATE TABLE buffer_ (key UInt64) Engine=Buffer(currentDatabase(), dist_out, 1, 0, 0, 0, 0, 0, 0);
CREATE TABLE dist_out (key UInt64) Engine=Distributed(test_shard_localhost, currentDatabase(), null_, key);
CREATE TABLE output (key UInt64, val UInt64) Engine=Memory();
CREATE MATERIALIZED VIEW mv TO output AS SELECT key, dictGetUInt64('dict_in_01023.dict', 'val', key) val FROM dist_out;
INSERT INTO input VALUES (1);
SELECT count() FROM output;