mirror of https://github.com/citusdata/citus.git
63 lines
2.7 KiB
SQL
63 lines
2.7 KiB
SQL
-- citus--7.5-7--8.0-1
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SET search_path = 'pg_catalog';
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CREATE OR REPLACE FUNCTION pg_catalog.relation_is_a_known_shard(regclass)
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RETURNS bool
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LANGUAGE C STRICT
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AS 'MODULE_PATHNAME', $$relation_is_a_known_shard$$;
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COMMENT ON FUNCTION relation_is_a_known_shard(regclass)
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IS 'returns true if the given relation is a known shard';
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CREATE OR REPLACE FUNCTION pg_catalog.citus_table_is_visible(oid)
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RETURNS bool
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LANGUAGE C STRICT
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STABLE
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PARALLEL SAFE
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AS 'MODULE_PATHNAME', $$citus_table_is_visible$$;
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COMMENT ON FUNCTION citus_table_is_visible(oid)
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IS 'wrapper on pg_table_is_visible, filtering out tables (and indexes) that are known to be shards';
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-- this is the exact same query with what \d
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-- command produces, except pg_table_is_visible
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-- is replaced with pg_catalog.relation_is_a_known_shard(c.oid)
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CREATE VIEW citus.citus_shards_on_worker AS
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SELECT n.nspname as "Schema",
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c.relname as "Name",
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CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm' THEN 'materialized view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 's' THEN 'special' WHEN 'f' THEN 'foreign table' WHEN 'p' THEN 'table' END as "Type",
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pg_catalog.pg_get_userbyid(c.relowner) as "Owner"
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FROM pg_catalog.pg_class c
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LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
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WHERE c.relkind IN ('r','p','v','m','S','f','')
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AND n.nspname <> 'pg_catalog'
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AND n.nspname <> 'information_schema'
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AND n.nspname !~ '^pg_toast'
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AND pg_catalog.relation_is_a_known_shard(c.oid)
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ORDER BY 1,2;
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ALTER VIEW citus.citus_shards_on_worker SET SCHEMA pg_catalog;
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GRANT SELECT ON pg_catalog.citus_shards_on_worker TO public;
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-- this is the exact same query with what \di
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-- command produces, except pg_table_is_visible
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-- is replaced with pg_catalog.relation_is_a_known_shard(c.oid)
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CREATE VIEW citus.citus_shard_indexes_on_worker AS
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SELECT n.nspname as "Schema",
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c.relname as "Name",
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CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm' THEN 'materialized view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 's' THEN 'special' WHEN 'f' THEN 'foreign table' WHEN 'p' THEN 'table' END as "Type",
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pg_catalog.pg_get_userbyid(c.relowner) as "Owner",
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c2.relname as "Table"
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FROM pg_catalog.pg_class c
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LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
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LEFT JOIN pg_catalog.pg_index i ON i.indexrelid = c.oid
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LEFT JOIN pg_catalog.pg_class c2 ON i.indrelid = c2.oid
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WHERE c.relkind IN ('i','')
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AND n.nspname <> 'pg_catalog'
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AND n.nspname <> 'information_schema'
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AND n.nspname !~ '^pg_toast'
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AND pg_catalog.relation_is_a_known_shard(c.oid)
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ORDER BY 1,2;
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ALTER VIEW citus.citus_shard_indexes_on_worker SET SCHEMA pg_catalog;
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GRANT SELECT ON pg_catalog.citus_shard_indexes_on_worker TO public;
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RESET search_path;
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