ClickHouse/tests/queries/0_stateless/01470_columns_transformers.sql
2020-11-10 11:14:41 +08:00

57 lines
3.3 KiB
SQL

DROP TABLE IF EXISTS columns_transformers;
CREATE TABLE columns_transformers (i Int64, j Int16, k Int64) Engine=TinyLog;
INSERT INTO columns_transformers VALUES (100, 10, 324), (120, 8, 23);
SELECT * APPLY(sum) from columns_transformers;
SELECT * APPLY sum from columns_transformers;
SELECT columns_transformers.* APPLY(avg) from columns_transformers;
SELECT a.* APPLY(toDate) APPLY(any) from columns_transformers a;
SELECT COLUMNS('[jk]') APPLY(toString) APPLY(length) from columns_transformers;
SELECT * EXCEPT(i) APPLY(sum) from columns_transformers;
SELECT columns_transformers.* EXCEPT(j) APPLY(avg) from columns_transformers;
-- EXCEPT after APPLY will not match anything
SELECT a.* APPLY(toDate) EXCEPT(i, j) APPLY(any) from columns_transformers a;
SELECT * EXCEPT STRICT i from columns_transformers;
SELECT * EXCEPT STRICT (i, j) from columns_transformers;
SELECT * EXCEPT STRICT i, j1 from columns_transformers; -- { serverError 47 }
SELECT * EXCEPT STRICT(i, j1) from columns_transformers; -- { serverError 16 }
SELECT * REPLACE STRICT i + 1 AS i from columns_transformers;
SELECT * REPLACE STRICT(i + 1 AS col) from columns_transformers; -- { serverError 16 }
SELECT * REPLACE(i + 1 AS i) APPLY(sum) from columns_transformers;
SELECT columns_transformers.* REPLACE(j + 2 AS j, i + 1 AS i) APPLY(avg) from columns_transformers;
SELECT columns_transformers.* REPLACE(j + 1 AS j, j + 2 AS j) APPLY(avg) from columns_transformers; -- { serverError 43 }
-- REPLACE after APPLY will not match anything
SELECT a.* APPLY(toDate) REPLACE(i + 1 AS i) APPLY(any) from columns_transformers a;
SELECT a.* APPLY(toDate) REPLACE STRICT(i + 1 AS i) APPLY(any) from columns_transformers a; -- { serverError 16 }
EXPLAIN SYNTAX SELECT * APPLY(sum) from columns_transformers;
EXPLAIN SYNTAX SELECT columns_transformers.* APPLY(avg) from columns_transformers;
EXPLAIN SYNTAX SELECT a.* APPLY(toDate) APPLY(any) from columns_transformers a;
EXPLAIN SYNTAX SELECT COLUMNS('[jk]') APPLY(toString) APPLY(length) from columns_transformers;
EXPLAIN SYNTAX SELECT * EXCEPT(i) APPLY(sum) from columns_transformers;
EXPLAIN SYNTAX SELECT columns_transformers.* EXCEPT(j) APPLY(avg) from columns_transformers;
EXPLAIN SYNTAX SELECT a.* APPLY(toDate) EXCEPT(i, j) APPLY(any) from columns_transformers a;
EXPLAIN SYNTAX SELECT * REPLACE(i + 1 AS i) APPLY(sum) from columns_transformers;
EXPLAIN SYNTAX SELECT columns_transformers.* REPLACE(j + 2 AS j, i + 1 AS i) APPLY(avg) from columns_transformers;
EXPLAIN SYNTAX SELECT a.* APPLY(toDate) REPLACE(i + 1 AS i) APPLY(any) from columns_transformers a;
-- Multiple REPLACE in a row
EXPLAIN SYNTAX SELECT * REPLACE(i + 1 AS i) REPLACE(i + 1 AS i) from columns_transformers;
-- Explicit column list
SELECT COLUMNS(i, j, k) APPLY(sum) from columns_transformers;
EXPLAIN SYNTAX SELECT COLUMNS(i, j, k) APPLY(sum) from columns_transformers;
-- Multiple column matchers and transformers
SELECT i, j, COLUMNS(i, j, k) APPLY(toFloat64), COLUMNS(i, j) EXCEPT (i) from columns_transformers;
EXPLAIN SYNTAX SELECT i, j, COLUMNS(i, j, k) APPLY(toFloat64), COLUMNS(i, j) EXCEPT (i) from columns_transformers;
-- APPLY with parameterized function
SELECT COLUMNS(i, j, k) APPLY(quantiles(0.5)) from columns_transformers;
EXPLAIN SYNTAX SELECT COLUMNS(i, j, k) APPLY(quantiles(0.5)) from columns_transformers;
DROP TABLE columns_transformers;