-- -- MULTI_APPEND_TABLE_TO_SHARD -- ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 230000; ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 230000; -- Initialize tables to join CREATE TABLE multi_append_table_to_shard_right ( right_number INTEGER not null, right_text TEXT not null ); SELECT master_create_distributed_table('multi_append_table_to_shard_right', 'right_number', 'append'); CREATE TABLE multi_append_table_to_shard_left ( left_number INTEGER not null, left_text TEXT not null ); SELECT master_create_distributed_table('multi_append_table_to_shard_left', 'left_number', 'append'); CREATE TABLE multi_append_table_to_shard_right_hash ( right_number INTEGER not null, right_text TEXT not null ); SELECT master_create_distributed_table('multi_append_table_to_shard_right_hash', 'right_number', 'hash'); SELECT master_create_worker_shards('multi_append_table_to_shard_right_hash', 1, 1); -- Replicate 'left' table on both workers SELECT set_config('citus.shard_replication_factor', '2', false); \copy multi_append_table_to_shard_left FROM '@abs_srcdir@/data/agg.data' \copy multi_append_table_to_shard_left FROM '@abs_srcdir@/data/agg.data' -- Place 'right' table only on the primary worker SELECT set_config('citus.shard_replication_factor', '1', false); \copy multi_append_table_to_shard_right FROM '@abs_srcdir@/data/agg.data' -- Reset shard replication factor to ensure tasks will be assigned to both workers SELECT set_config('citus.shard_replication_factor', '2', false); -- All 8 rows in left table match a row in right table SELECT COUNT(*) FROM multi_append_table_to_shard_left, multi_append_table_to_shard_right WHERE left_number = right_number; -- Now append more data to the 'right' table CREATE TABLE multi_append_table_to_shard_stage ( number INTEGER not null, text TEXT not null ); COPY multi_append_table_to_shard_stage FROM '@abs_srcdir@/data/agg.data'; SELECT master_append_table_to_shard(shardid, 'multi_append_table_to_shard_stage', 'localhost', 57636) FROM pg_dist_shard WHERE 'multi_append_table_to_shard_right'::regclass::oid = logicalrelid; -- Only the primary worker will see the new matches, as the secondary still uses a cached shard SELECT COUNT(*) FROM multi_append_table_to_shard_left, multi_append_table_to_shard_right WHERE left_number = right_number; -- Now add a lot of data to ensure we increase the size on disk DELETE FROM multi_append_table_to_shard_stage; COPY multi_append_table_to_shard_stage FROM '@abs_srcdir@/data/large_records.data' with delimiter '|'; SELECT master_append_table_to_shard(shardid, 'multi_append_table_to_shard_stage', 'localhost', 57636) FROM pg_dist_shard WHERE 'multi_append_table_to_shard_right'::regclass::oid = logicalrelid; -- This join will refresh the shard on the secondary, all 8 rows in the left table will match twice (16) SELECT COUNT(*) FROM multi_append_table_to_shard_left, multi_append_table_to_shard_right WHERE left_number = right_number; -- Check that we error out if we try to append data to a hash partitioned table. SELECT master_create_empty_shard('multi_append_table_to_shard_right_hash'); SELECT master_append_table_to_shard(shardid, 'multi_append_table_to_shard_stage', 'localhost', 57636) FROM pg_dist_shard WHERE 'multi_append_table_to_shard_right_hash'::regclass::oid = logicalrelid; -- Clean up after test SELECT master_apply_delete_command('DELETE FROM multi_append_table_to_shard_right'); SELECT master_apply_delete_command('DELETE FROM multi_append_table_to_shard_left'); DROP TABLE multi_append_table_to_shard_stage; DROP TABLE multi_append_table_to_shard_right; DROP TABLE multi_append_table_to_shard_left; -- Check partitioning by date CREATE TABLE multi_append_table_to_shard_date ( event_date DATE, value INT ); SELECT master_create_distributed_table('multi_append_table_to_shard_date', 'event_date', 'append'); -- Create an empty shard and check that we can query the table SELECT master_create_empty_shard('multi_append_table_to_shard_date'); SELECT * FROM multi_append_table_to_shard_date; -- Stage an empty table and check that we can query the distributed table CREATE TABLE multi_append_table_to_shard_stage (LIKE multi_append_table_to_shard_date); SELECT master_append_table_to_shard(shardid, 'multi_append_table_to_shard_stage', 'localhost', 57636) FROM pg_dist_shard WHERE 'multi_append_table_to_shard_date'::regclass::oid = logicalrelid; SELECT * FROM multi_append_table_to_shard_date; -- Stage NULL values and check that we can query the table INSERT INTO multi_append_table_to_shard_stage VALUES (NULL, NULL); SELECT master_append_table_to_shard(shardid, 'multi_append_table_to_shard_stage', 'localhost', 57636) FROM pg_dist_shard WHERE 'multi_append_table_to_shard_date'::regclass::oid = logicalrelid; SELECT * FROM multi_append_table_to_shard_date; -- Stage regular values and check that we can query the table INSERT INTO multi_append_table_to_shard_stage VALUES ('2016-01-01', 3); SELECT master_append_table_to_shard(shardid, 'multi_append_table_to_shard_stage', 'localhost', 57636) FROM pg_dist_shard WHERE 'multi_append_table_to_shard_date'::regclass::oid = logicalrelid; SELECT * FROM multi_append_table_to_shard_date; DROP TABLE multi_append_table_to_shard_stage; DROP TABLE multi_append_table_to_shard_date;