mirror of https://github.com/citusdata/citus.git
414 lines
16 KiB
PL/PgSQL
414 lines
16 KiB
PL/PgSQL
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ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 750000;
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ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 750000;
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-- ===================================================================
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-- test end-to-end modification functionality
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-- ===================================================================
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CREATE TYPE order_side AS ENUM ('buy', 'sell');
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CREATE TABLE limit_orders (
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id bigint PRIMARY KEY,
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symbol text NOT NULL,
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bidder_id bigint NOT NULL,
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placed_at timestamp NOT NULL,
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kind order_side NOT NULL,
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limit_price decimal NOT NULL DEFAULT 0.00 CHECK (limit_price >= 0.00)
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);
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CREATE TABLE multiple_hash (
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category text NOT NULL,
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data text NOT NULL
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);
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CREATE TABLE insufficient_shards ( LIKE limit_orders );
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CREATE TABLE range_partitioned ( LIKE limit_orders );
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CREATE TABLE append_partitioned ( LIKE limit_orders );
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SELECT master_create_distributed_table('limit_orders', 'id', 'hash');
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SELECT master_create_distributed_table('multiple_hash', 'category', 'hash');
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SELECT master_create_distributed_table('insufficient_shards', 'id', 'hash');
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SELECT master_create_distributed_table('range_partitioned', 'id', 'range');
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SELECT master_create_distributed_table('append_partitioned', 'id', 'append');
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SELECT master_create_worker_shards('limit_orders', 2, 2);
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SELECT master_create_worker_shards('multiple_hash', 2, 2);
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-- make a single shard that covers no partition values
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SELECT master_create_worker_shards('insufficient_shards', 1, 1);
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UPDATE pg_dist_shard SET shardminvalue = 0, shardmaxvalue = 0
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WHERE logicalrelid = 'insufficient_shards'::regclass;
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-- create range-partitioned shards
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SELECT master_create_empty_shard('range_partitioned') AS new_shard_id
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\gset
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UPDATE pg_dist_shard SET shardminvalue = 0, shardmaxvalue = 49999
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WHERE shardid = :new_shard_id;
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SELECT master_create_empty_shard('range_partitioned') AS new_shard_id
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\gset
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UPDATE pg_dist_shard SET shardminvalue = 50000, shardmaxvalue = 99999
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WHERE shardid = :new_shard_id;
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-- create append-partitioned shards
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SELECT master_create_empty_shard('append_partitioned') AS new_shard_id
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\gset
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UPDATE pg_dist_shard SET shardminvalue = 0, shardmaxvalue = 500000
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WHERE shardid = :new_shard_id;
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SELECT master_create_empty_shard('append_partitioned') AS new_shard_id
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\gset
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UPDATE pg_dist_shard SET shardminvalue = 500000, shardmaxvalue = 1000000
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WHERE shardid = :new_shard_id;
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-- basic single-row INSERT
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INSERT INTO limit_orders VALUES (32743, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy',
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20.69);
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SELECT COUNT(*) FROM limit_orders WHERE id = 32743;
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-- basic single-row INSERT with RETURNING
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INSERT INTO limit_orders VALUES (32744, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy', 20.69) RETURNING *;
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-- try a single-row INSERT with no shard to receive it
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INSERT INTO insufficient_shards VALUES (32743, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy',
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20.69);
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-- try an insert to a range-partitioned table
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INSERT INTO range_partitioned VALUES (32743, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy',
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20.69);
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-- also insert to an append-partitioned table
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INSERT INTO append_partitioned VALUES (414123, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy',
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20.69);
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-- ensure the values are where we put them and query to ensure they are properly pruned
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SET client_min_messages TO 'DEBUG2';
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SET citus.task_executor_type TO 'real-time';
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SELECT * FROM range_partitioned WHERE id = 32743;
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SELECT * FROM append_partitioned WHERE id = 414123;
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SET client_min_messages TO DEFAULT;
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SET citus.task_executor_type TO DEFAULT;
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-- try inserting without a range-partitioned shard to receive the value
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INSERT INTO range_partitioned VALUES (999999, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy',
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20.69);
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-- and insert into an append-partitioned table with a value that spans shards:
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INSERT INTO append_partitioned VALUES (500000, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy',
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20.69);
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-- INSERT with DEFAULT in the target list
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INSERT INTO limit_orders VALUES (12756, 'MSFT', 10959, '2013-05-08 07:29:23', 'sell',
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DEFAULT);
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SELECT COUNT(*) FROM limit_orders WHERE id = 12756;
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-- INSERT with expressions in target list
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INSERT INTO limit_orders VALUES (430, upper('ibm'), 214, timestamp '2003-01-28 10:31:17' +
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interval '5 hours', 'buy', sqrt(2));
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SELECT COUNT(*) FROM limit_orders WHERE id = 430;
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-- INSERT without partition key
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INSERT INTO limit_orders DEFAULT VALUES;
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-- squelch WARNINGs that contain worker_port
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SET client_min_messages TO ERROR;
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-- INSERT violating NOT NULL constraint
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INSERT INTO limit_orders VALUES (NULL, 'T', 975234, DEFAULT);
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-- INSERT violating column constraint
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INSERT INTO limit_orders VALUES (18811, 'BUD', 14962, '2014-04-05 08:32:16', 'sell',
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-5.00);
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-- INSERT violating primary key constraint
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INSERT INTO limit_orders VALUES (32743, 'LUV', 5994, '2001-04-16 03:37:28', 'buy', 0.58);
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-- INSERT violating primary key constraint, with RETURNING specified.
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INSERT INTO limit_orders VALUES (32743, 'LUV', 5994, '2001-04-16 03:37:28', 'buy', 0.58) RETURNING *;
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-- INSERT, with RETURNING specified, failing with a non-constraint error
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INSERT INTO limit_orders VALUES (34153, 'LEE', 5994, '2001-04-16 03:37:28', 'buy', 0.58) RETURNING id / 0;
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SET client_min_messages TO DEFAULT;
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-- commands with non-constant partition values are unsupported
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INSERT INTO limit_orders VALUES (random() * 100, 'ORCL', 152, '2011-08-25 11:50:45',
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'sell', 0.58);
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-- values for other columns are totally fine
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INSERT INTO limit_orders VALUES (2036, 'GOOG', 5634, now(), 'buy', random());
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-- commands with mutable functions in their quals
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DELETE FROM limit_orders WHERE id = 246 AND bidder_id = (random() * 1000);
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-- commands with mutable but non-volatile functions(ie: stable func.) in their quals
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-- (the cast to timestamp is because the timestamp_eq_timestamptz operator is stable)
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DELETE FROM limit_orders WHERE id = 246 AND placed_at = current_timestamp::timestamp;
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-- commands with multiple rows are unsupported
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INSERT INTO limit_orders VALUES (DEFAULT), (DEFAULT);
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-- INSERT ... SELECT ... FROM commands are unsupported
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INSERT INTO limit_orders SELECT * FROM limit_orders;
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-- commands containing a CTE are unsupported
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WITH deleted_orders AS (DELETE FROM limit_orders RETURNING *)
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INSERT INTO limit_orders DEFAULT VALUES;
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-- test simple DELETE
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INSERT INTO limit_orders VALUES (246, 'TSLA', 162, '2007-07-02 16:32:15', 'sell', 20.69);
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SELECT COUNT(*) FROM limit_orders WHERE id = 246;
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DELETE FROM limit_orders WHERE id = 246;
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SELECT COUNT(*) FROM limit_orders WHERE id = 246;
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-- test simple DELETE with RETURNING
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DELETE FROM limit_orders WHERE id = 430 RETURNING *;
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SELECT COUNT(*) FROM limit_orders WHERE id = 430;
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-- DELETE with expression in WHERE clause
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INSERT INTO limit_orders VALUES (246, 'TSLA', 162, '2007-07-02 16:32:15', 'sell', 20.69);
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SELECT COUNT(*) FROM limit_orders WHERE id = 246;
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DELETE FROM limit_orders WHERE id = (2 * 123);
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SELECT COUNT(*) FROM limit_orders WHERE id = 246;
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-- commands with no constraints on the partition key are not supported
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DELETE FROM limit_orders WHERE bidder_id = 162;
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-- commands with a USING clause are unsupported
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CREATE TABLE bidders ( name text, id bigint );
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DELETE FROM limit_orders USING bidders WHERE limit_orders.id = 246 AND
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limit_orders.bidder_id = bidders.id AND
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bidders.name = 'Bernie Madoff';
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-- commands containing a CTE are unsupported
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WITH deleted_orders AS (INSERT INTO limit_orders DEFAULT VALUES RETURNING *)
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DELETE FROM limit_orders;
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-- cursors are not supported
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DELETE FROM limit_orders WHERE CURRENT OF cursor_name;
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INSERT INTO limit_orders VALUES (246, 'TSLA', 162, '2007-07-02 16:32:15', 'sell', 20.69);
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-- simple UPDATE
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UPDATE limit_orders SET symbol = 'GM' WHERE id = 246;
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SELECT symbol FROM limit_orders WHERE id = 246;
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-- simple UPDATE with RETURNING
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UPDATE limit_orders SET symbol = 'GM' WHERE id = 246 RETURNING *;
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-- expression UPDATE
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UPDATE limit_orders SET bidder_id = 6 * 3 WHERE id = 246;
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SELECT bidder_id FROM limit_orders WHERE id = 246;
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-- expression UPDATE with RETURNING
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UPDATE limit_orders SET bidder_id = 6 * 5 WHERE id = 246 RETURNING *;
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-- multi-column UPDATE
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UPDATE limit_orders SET (kind, limit_price) = ('buy', DEFAULT) WHERE id = 246;
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SELECT kind, limit_price FROM limit_orders WHERE id = 246;
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-- multi-column UPDATE with RETURNING
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UPDATE limit_orders SET (kind, limit_price) = ('buy', 999) WHERE id = 246 RETURNING *;
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-- Test that on unique contraint violations, we fail fast
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INSERT INTO limit_orders VALUES (275, 'ADR', 140, '2007-07-02 16:32:15', 'sell', 43.67);
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INSERT INTO limit_orders VALUES (275, 'ADR', 140, '2007-07-02 16:32:15', 'sell', 43.67);
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-- Test that shards which miss a modification are marked unhealthy
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-- First: Connect to the second worker node
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\c - - - :worker_2_port
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-- Second: Move aside limit_orders shard on the second worker node
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ALTER TABLE limit_orders_750000 RENAME TO renamed_orders;
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-- Third: Connect back to master node
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\c - - - :master_port
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-- Fourth: Perform an INSERT on the remaining node
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INSERT INTO limit_orders VALUES (276, 'ADR', 140, '2007-07-02 16:32:15', 'sell', 43.67);
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-- Last: Verify the insert worked but the deleted placement is now unhealthy
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SELECT count(*) FROM limit_orders WHERE id = 276;
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SELECT count(*)
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FROM pg_dist_shard_placement AS sp,
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pg_dist_shard AS s
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WHERE sp.shardid = s.shardid
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AND sp.nodename = 'localhost'
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AND sp.nodeport = :worker_2_port
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AND sp.shardstate = 3
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AND s.logicalrelid = 'limit_orders'::regclass;
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-- Test that if all shards miss a modification, no state change occurs
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-- First: Connect to the first worker node
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\c - - - :worker_1_port
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-- Second: Move aside limit_orders shard on the second worker node
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ALTER TABLE limit_orders_750000 RENAME TO renamed_orders;
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-- Third: Connect back to master node
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\c - - - :master_port
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-- Fourth: Perform an INSERT on the remaining node
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INSERT INTO limit_orders VALUES (276, 'ADR', 140, '2007-07-02 16:32:15', 'sell', 43.67);
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-- Last: Verify worker is still healthy
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SELECT count(*)
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FROM pg_dist_shard_placement AS sp,
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pg_dist_shard AS s
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WHERE sp.shardid = s.shardid
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AND sp.nodename = 'localhost'
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AND sp.nodeport = :worker_1_port
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AND sp.shardstate = 1
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AND s.logicalrelid = 'limit_orders'::regclass;
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-- Undo our change...
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-- First: Connect to the first worker node
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\c - - - :worker_1_port
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-- Second: Move aside limit_orders shard on the second worker node
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ALTER TABLE renamed_orders RENAME TO limit_orders_750000;
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-- Third: Connect back to master node
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\c - - - :master_port
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-- commands with no constraints on the partition key are not supported
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UPDATE limit_orders SET limit_price = 0.00;
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-- attempting to change the partition key is unsupported
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UPDATE limit_orders SET id = 0 WHERE id = 246;
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-- UPDATEs with a FROM clause are unsupported
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UPDATE limit_orders SET limit_price = 0.00 FROM bidders
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WHERE limit_orders.id = 246 AND
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limit_orders.bidder_id = bidders.id AND
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bidders.name = 'Bernie Madoff';
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-- commands containing a CTE are unsupported
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WITH deleted_orders AS (INSERT INTO limit_orders DEFAULT VALUES RETURNING *)
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UPDATE limit_orders SET symbol = 'GM';
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SELECT symbol, bidder_id FROM limit_orders WHERE id = 246;
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-- updates referencing just a var are supported
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UPDATE limit_orders SET bidder_id = id WHERE id = 246;
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-- updates referencing a column are supported
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UPDATE limit_orders SET bidder_id = bidder_id + 1 WHERE id = 246;
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-- IMMUTABLE functions are allowed
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UPDATE limit_orders SET symbol = LOWER(symbol) WHERE id = 246;
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SELECT symbol, bidder_id FROM limit_orders WHERE id = 246;
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-- IMMUTABLE functions are allowed -- even in returning
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UPDATE limit_orders SET symbol = UPPER(symbol) WHERE id = 246 RETURNING id, LOWER(symbol), symbol;
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ALTER TABLE limit_orders ADD COLUMN array_of_values integer[];
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-- updates referencing STABLE functions are allowed
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UPDATE limit_orders SET placed_at = LEAST(placed_at, now()::timestamp) WHERE id = 246;
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-- so are binary operators
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UPDATE limit_orders SET array_of_values = 1 || array_of_values WHERE id = 246;
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CREATE FUNCTION immutable_append(old_values int[], new_value int)
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RETURNS int[] AS $$ SELECT old_values || new_value $$ LANGUAGE SQL IMMUTABLE;
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\c - - - :worker_1_port
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CREATE FUNCTION immutable_append(old_values int[], new_value int)
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RETURNS int[] AS $$ SELECT old_values || new_value $$ LANGUAGE SQL IMMUTABLE;
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\c - - - :worker_2_port
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CREATE FUNCTION immutable_append(old_values int[], new_value int)
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RETURNS int[] AS $$ SELECT old_values || new_value $$ LANGUAGE SQL IMMUTABLE;
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\c - - - :master_port
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-- immutable function calls with vars are also allowed
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UPDATE limit_orders
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SET array_of_values = immutable_append(array_of_values, 2) WHERE id = 246;
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CREATE FUNCTION stable_append(old_values int[], new_value int)
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RETURNS int[] AS $$ BEGIN RETURN old_values || new_value; END; $$
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LANGUAGE plpgsql STABLE;
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-- but STABLE function calls with vars are not allowed
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UPDATE limit_orders
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SET array_of_values = stable_append(array_of_values, 3) WHERE id = 246;
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SELECT array_of_values FROM limit_orders WHERE id = 246;
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-- STRICT functions work as expected
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CREATE FUNCTION temp_strict_func(integer,integer) RETURNS integer AS
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'SELECT COALESCE($1, 2) + COALESCE($1, 3);' LANGUAGE SQL STABLE STRICT;
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UPDATE limit_orders SET bidder_id = temp_strict_func(1, null) WHERE id = 246;
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SELECT array_of_values FROM limit_orders WHERE id = 246;
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ALTER TABLE limit_orders DROP array_of_values;
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-- even in RETURNING
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UPDATE limit_orders SET placed_at = placed_at WHERE id = 246 RETURNING NOW();
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-- cursors are not supported
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UPDATE limit_orders SET symbol = 'GM' WHERE CURRENT OF cursor_name;
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-- check that multi-row UPDATE/DELETEs with RETURNING work
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INSERT INTO multiple_hash VALUES ('0', '1');
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INSERT INTO multiple_hash VALUES ('0', '2');
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INSERT INTO multiple_hash VALUES ('0', '3');
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INSERT INTO multiple_hash VALUES ('0', '4');
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INSERT INTO multiple_hash VALUES ('0', '5');
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INSERT INTO multiple_hash VALUES ('0', '6');
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UPDATE multiple_hash SET data = data ||'-1' WHERE category = '0' RETURNING *;
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DELETE FROM multiple_hash WHERE category = '0' RETURNING *;
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-- ensure returned row counters are correct
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\set QUIET off
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INSERT INTO multiple_hash VALUES ('1', '1');
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INSERT INTO multiple_hash VALUES ('1', '2');
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INSERT INTO multiple_hash VALUES ('1', '3');
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INSERT INTO multiple_hash VALUES ('2', '1');
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INSERT INTO multiple_hash VALUES ('2', '2');
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INSERT INTO multiple_hash VALUES ('2', '3');
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INSERT INTO multiple_hash VALUES ('2', '3') RETURNING *;
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-- check that update return the right number of rows
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-- one row
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UPDATE multiple_hash SET data = data ||'-1' WHERE category = '1' AND data = '1';
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-- three rows
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UPDATE multiple_hash SET data = data ||'-2' WHERE category = '1';
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-- three rows, with RETURNING
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UPDATE multiple_hash SET data = data ||'-2' WHERE category = '1' RETURNING category;
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-- check
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SELECT * FROM multiple_hash WHERE category = '1' ORDER BY category, data;
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-- check that deletes return the right number of rows
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-- one row
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DELETE FROM multiple_hash WHERE category = '2' AND data = '1';
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-- two rows
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DELETE FROM multiple_hash WHERE category = '2';
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-- three rows, with RETURNING
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DELETE FROM multiple_hash WHERE category = '1' RETURNING category;
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-- check
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SELECT * FROM multiple_hash WHERE category = '1' ORDER BY category, data;
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SELECT * FROM multiple_hash WHERE category = '2' ORDER BY category, data;
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-- verify interaction of default values, SERIAL, and RETURNING
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\set QUIET on
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CREATE TABLE app_analytics_events (id serial, app_id integer, name text);
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SELECT master_create_distributed_table('app_analytics_events', 'app_id', 'hash');
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SELECT master_create_worker_shards('app_analytics_events', 4, 1);
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INSERT INTO app_analytics_events VALUES (DEFAULT, 101, 'Fauxkemon Geaux') RETURNING id;
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INSERT INTO app_analytics_events (app_id, name) VALUES (102, 'Wayz') RETURNING id;
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INSERT INTO app_analytics_events (app_id, name) VALUES (103, 'Mynt') RETURNING *;
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