mirror of https://github.com/citusdata/citus.git
92 lines
2.6 KiB
SQL
92 lines
2.6 KiB
SQL
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1660000;
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CREATE TABLE partitioning_test(id int, time date) PARTITION BY RANGE (time);
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-- create its partitions
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CREATE TABLE partitioning_test_2009 PARTITION OF partitioning_test FOR VALUES FROM ('2009-01-01') TO ('2010-01-01');
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CREATE TABLE partitioning_test_2010 PARTITION OF partitioning_test FOR VALUES FROM ('2010-01-01') TO ('2011-01-01');
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-- load some data and distribute tables
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INSERT INTO partitioning_test VALUES (1, '2009-06-06');
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INSERT INTO partitioning_test VALUES (2, '2010-07-07');
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INSERT INTO partitioning_test_2009 VALUES (3, '2009-09-09');
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INSERT INTO partitioning_test_2010 VALUES (4, '2010-03-03');
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SET citus.shard_count TO 4;
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SET citus.shard_replication_factor TO 1;
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-- this should error out given that parent of the partition is not distributed
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SELECT create_distributed_table('partitioning_test_2010', 'id');
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-- this should suceed
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SELECT create_distributed_table('partitioning_test', 'id');
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-- check the data
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SELECT * FROM partitioning_test ORDER BY 1;
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-- check the metadata
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SELECT
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*
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FROM
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pg_dist_partition
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WHERE
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logicalrelid IN ('partitioning_test', 'partitioning_test_2009', 'partitioning_test_2010')
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ORDER BY 1;
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SELECT
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logicalrelid, count(*)
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FROM pg_dist_shard
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WHERE logicalrelid IN ('partitioning_test', 'partitioning_test_2009', 'partitioning_test_2010')
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GROUP BY
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logicalrelid
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ORDER BY
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1,2;
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SELECT
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nodename, nodeport, count(*)
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FROM
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pg_dist_shard_placement
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WHERE
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shardid IN (SELECT shardid FROM pg_dist_shard WHERE logicalrelid IN ('partitioning_test', 'partitioning_test_2009', 'partitioning_test_2010') )
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GROUP BY
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nodename, nodeport
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ORDER BY
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1,2,3;
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-- now create a partition and see that it also becomes a distributed table
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CREATE TABLE partitioning_test_2011 PARTITION OF partitioning_test FOR VALUES FROM ('2011-01-01') TO ('2012-01-01');
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SELECT
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*
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FROM
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pg_dist_partition
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WHERE
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logicalrelid IN ('partitioning_test', 'partitioning_test_2009', 'partitioning_test_2010', 'partitioning_test_2011')
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ORDER BY 1;
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SELECT
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logicalrelid, count(*)
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FROM pg_dist_shard
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WHERE logicalrelid IN ('partitioning_test', 'partitioning_test_2009', 'partitioning_test_2010', 'partitioning_test_2011')
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GROUP BY
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logicalrelid
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ORDER BY
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1,2;
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SELECT
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nodename, nodeport, count(*)
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FROM
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pg_dist_shard_placement
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WHERE
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shardid IN (SELECT shardid FROM pg_dist_shard WHERE logicalrelid IN ('partitioning_test', 'partitioning_test_2009', 'partitioning_test_2010', 'partitioning_test_2011') )
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GROUP BY
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nodename, nodeport
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ORDER BY
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1,2,3;
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-- dropping the parent should CASCADE to the children as well
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DROP TABLE partitioning_test;
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\d+ partitioning_test*
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