ClickHouse/tests/queries/0_stateless/00973_live_view_select_prewhere.sql
Vitaliy Zakaznikov 5fe67c4292 * Removing supportsPrewhere() from StorageLiveView.h as it is not valid.
* Updating test to check using PREWHERE in query against live view table.
* Updating test to check using PREWHERE in the stored query against the table that does
  not support PREWHWERE.
2020-06-08 13:12:40 +02:00

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SQL

SET allow_experimental_live_view = 1;
DROP TABLE IF EXISTS lv;
DROP TABLE IF EXISTS lv2;
DROP TABLE IF EXISTS mt;
CREATE TABLE mt (a Int32) Engine=MergeTree order by tuple();
CREATE LIVE VIEW lv AS SELECT sum(a) AS sum_a FROM mt PREWHERE a > 1;
CREATE LIVE VIEW lv2 AS SELECT sum(number) AS sum_number FROM system.numbers PREWHERE number > 1;
INSERT INTO mt VALUES (1),(2),(3);
SELECT *,_version FROM lv;
SELECT *,_version FROM lv PREWHERE sum_a > 5; -- { serverError 182 }
INSERT INTO mt VALUES (1),(2),(3);
SELECT *,_version FROM lv;
SELECT *,_version FROM lv PREWHERE sum_a > 10; -- { serverError 182 }
SELECT *,_version FROM lv2; -- { serverError 182 }
SELECT *,_version FROM lv2 PREWHERE sum_number > 10; -- { serverError 182 }
DROP TABLE lv;
DROP TABLE lv2;
DROP TABLE mt;