mirror of https://github.com/citusdata/citus.git
192 lines
6.2 KiB
Plaintext
192 lines
6.2 KiB
Plaintext
--
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-- MULTI_CROSS_SHARD
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--
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-- Tests to log cross shard queries according to error log level
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--
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-- Create a distributed table and add data to it
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CREATE TABLE multi_task_table
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(
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id int,
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name varchar(20)
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);
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SELECT create_distributed_table('multi_task_table', 'id');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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INSERT INTO multi_task_table VALUES(1, 'elem_1');
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INSERT INTO multi_task_table VALUES(2, 'elem_2');
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INSERT INTO multi_task_table VALUES(3, 'elem_3');
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-- Shouldn't log anything when the log level is 'off'
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SHOW citus.multi_task_query_log_level;
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citus.multi_task_query_log_level
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---------------------------------------------------------------------
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off
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(1 row)
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SELECT * FROM multi_task_table ORDER BY 1;
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id | name
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---------------------------------------------------------------------
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1 | elem_1
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2 | elem_2
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3 | elem_3
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(3 rows)
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-- Get messages with the log level 'notice'
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SET citus.multi_task_query_log_level TO notice;
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SELECT * FROM multi_task_table ORDER BY 1;
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NOTICE: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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id | name
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---------------------------------------------------------------------
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1 | elem_1
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2 | elem_2
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3 | elem_3
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(3 rows)
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SELECT AVG(id) AS avg_id FROM multi_task_table;
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NOTICE: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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avg_id
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---------------------------------------------------------------------
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2.0000000000000000
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(1 row)
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-- Get messages with the log level 'error'
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SET citus.multi_task_query_log_level TO error;
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SELECT * FROM multi_task_table;
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ERROR: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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-- Check the log message with INSERT INTO ... SELECT
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CREATE TABLE raw_table
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(
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id int,
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order_count int
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);
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CREATE TABLE summary_table
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(
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id int,
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order_sum BIGINT
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);
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SELECT create_distributed_table('raw_table', 'id');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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SELECT create_distributed_table('summary_table', 'id');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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INSERT INTO raw_table VALUES(1, '15');
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INSERT INTO raw_table VALUES(2, '15');
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INSERT INTO raw_table VALUES(3, '15');
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INSERT INTO raw_table VALUES(1, '20');
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INSERT INTO raw_table VALUES(2, '25');
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INSERT INTO raw_table VALUES(3, '35');
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-- Should notice user that the query is multi-task one
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SET citus.multi_task_query_log_level TO notice;
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INSERT INTO summary_table SELECT id, SUM(order_count) FROM raw_table GROUP BY id;
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NOTICE: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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-- Should error out since the query is multi-task one
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SET citus.multi_task_query_log_level TO error;
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INSERT INTO summary_table SELECT id, SUM(order_count) FROM raw_table GROUP BY id;
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ERROR: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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-- Shouldn't error out since it is a single task insert-into select query
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INSERT INTO summary_table SELECT id, SUM(order_count) FROM raw_table WHERE id = 1 GROUP BY id;
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-- Should have four rows (three rows from the query without where and the one from with where)
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SET citus.multi_task_query_log_level to DEFAULT;
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SELECT * FROM summary_table ORDER BY 1,2;
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id | order_sum
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---------------------------------------------------------------------
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1 | 35
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1 | 35
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2 | 40
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3 | 50
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(4 rows)
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-- Set log-level to different levels inside the transaction
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BEGIN;
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-- Should notice user that the query is multi-task one
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SET citus.multi_task_query_log_level TO notice;
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INSERT INTO summary_table SELECT id, SUM(order_count) FROM raw_table GROUP BY id;
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NOTICE: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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-- Should error out since the query is multi-task one
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SET citus.multi_task_query_log_level TO error;
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INSERT INTO summary_table SELECT id, SUM(order_count) FROM raw_table GROUP BY id;
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ERROR: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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ROLLBACK;
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-- Should have only four rows since the transaction is rollbacked.
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SET citus.multi_task_query_log_level to DEFAULT;
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SELECT * FROM summary_table ORDER BY 1,2;
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id | order_sum
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---------------------------------------------------------------------
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1 | 35
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1 | 35
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2 | 40
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3 | 50
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(4 rows)
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-- Test router-select query
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SET citus.multi_task_query_log_level TO notice;
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-- Shouldn't log since it is a router select query
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SELECT * FROM raw_table WHERE ID = 1;
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id | order_count
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---------------------------------------------------------------------
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1 | 15
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1 | 20
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(2 rows)
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-- Task tracker query test
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CREATE TABLE tt1
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(
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id int,
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name varchar(20)
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);
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CREATE TABLE tt2
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(
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id int,
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name varchar(20),
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count bigint
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);
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SELECT create_distributed_table('tt1', 'id');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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SELECT create_distributed_table('tt2', 'name');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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INSERT INTO tt1 VALUES(1, 'Ahmet');
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INSERT INTO tt1 VALUES(2, 'Mehmet');
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INSERT INTO tt2 VALUES(1, 'Ahmet', 5);
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INSERT INTO tt2 VALUES(2, 'Mehmet', 15);
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-- Should notice since it is a task-tracker query
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SET citus.task_executor_type to "task-tracker";
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SELECT tt1.id, tt2.count from tt1,tt2 where tt1.id = tt2.id;
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NOTICE: multi-task query about to be executed
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HINT: Queries are split to multiple tasks if they have to be split into several queries on the workers.
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id | count
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---------------------------------------------------------------------
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1 | 5
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2 | 15
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(2 rows)
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SET citus.task_executor_type to DEFAULT;
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DROP TABLE tt2;
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DROP TABLE tt1;
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DROP TABLE multi_task_table;
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DROP TABLE raw_table;
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DROP TABLE summary_table;
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