mirror of https://github.com/citusdata/citus.git
91 lines
2.8 KiB
SQL
91 lines
2.8 KiB
SQL
-- ===================================================================
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-- test recursive planning functionality on failure cases
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-- ===================================================================
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CREATE SCHEMA not_supported;
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SET search_path TO not_supported, public;
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SET citus.coordinator_aggregation_strategy TO 'disabled';
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SET client_min_messages TO DEBUG1;
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CREATE TABLE users_table_local AS SELECT * FROM users_table;
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RESET client_min_messages;
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-- we don't support subqueries with local tables when they are not leaf queries
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SELECT COUNT(user_id) FROM users_table WHERE user_id IN
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(SELECT
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user_id
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FROM
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users_table_local JOIN (SELECT user_id FROM events_table_local) as foo
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USING (user_id)
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);
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SET client_min_messages TO DEBUG1;
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-- we don't support aggregate distinct if the group by is not on partition key, expect for count distinct
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-- thus baz and bar are recursively planned but not foo
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SELECT
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*
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FROM
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(
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SELECT avg(DISTINCT value_1), random() FROM users_table GROUP BY user_id OFFSET 3
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) as baz,
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(
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SELECT count(DISTINCT value_1), random() FROM users_table GROUP BY value_2 OFFSET 3
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) as bar,
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(
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SELECT avg(DISTINCT value_1), random() FROM users_table GROUP BY value_2 OFFSET 3
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) as foo;
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-- we don't support array_aggs with ORDER BYs
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SELECT
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*
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FROM
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(
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SELECT
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array_agg(users_table.value_2 ORDER BY users_table.time)
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FROM
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users_table, (SELECT user_id FROM events_table) as evs
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WHERE users_table.user_id = evs.user_id
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GROUP BY users_table.value_2
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LIMIT 5
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) as foo;
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-- we don't support recursive subqueries when router executor is disabled
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SET citus.enable_router_execution TO false;
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SELECT
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user_id
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FROM
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(SELECT
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DISTINCT users_table.user_id
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FROM
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users_table, events_table
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WHERE
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users_table.user_id = events_table.user_id AND
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event_type IN (1,2,3,4)
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ORDER BY 1 DESC LIMIT 5
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) as foo
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ORDER BY 1 DESC;
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SET citus.enable_router_execution TO true;
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-- OUTER JOINs where the outer part is recursively planned and not the other way
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-- around is not supported
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SELECT
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foo.value_2
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FROM
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(SELECT users_table.value_2 FROM users_table, events_table WHERE users_table.user_id = events_table.user_id AND event_type IN (1,2,3,4) LIMIT 5) as foo
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LEFT JOIN
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(SELECT users_table.value_2 FROM users_table, events_table WHERE users_table.user_id = events_table.user_id AND event_type IN (5,6,7,8)) as bar
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ON(foo.value_2 = bar.value_2);
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-- We do not support GROUPING SETS in subqueries
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-- This also includes ROLLUP or CUBE clauses
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SELECT * FROM (SELECT user_id, value_1 FROM users_table GROUP BY GROUPING SETS ((user_id), (value_1))) s;
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SELECT * FROM (SELECT user_id, value_1 FROM users_table GROUP BY ROLLUP (user_id, value_1)) s;
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SELECT * FROM (SELECT user_id, value_1 FROM users_table GROUP BY CUBE (user_id, value_1)) s;
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SET client_min_messages TO DEFAULT;
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DROP SCHEMA not_supported CASCADE;
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SET search_path TO public;
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