mirror of https://github.com/citusdata/citus.git
37 lines
1.6 KiB
Plaintext
37 lines
1.6 KiB
Plaintext
BEGIN;
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SET LOCAL citus.show_shards_for_app_name_prefixes = '';
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-- The following query retrieves the foreign key constraints of the table "pg_dist_background_job"
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-- along with their details. This modification includes a fix for a null pointer exception that occurred
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-- in the "HasRangeTableRef" method of "worker_shard_visibility". The issue was resolved with PR #7604.
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select
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ct.conname as constraint_name,
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a.attname as column_name,
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fc.relname as foreign_table_name,
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fns.nspname as foreign_table_schema
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from
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(SELECT ct.conname, ct.conrelid, ct.confrelid, ct.conkey, ct.contype,
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ct.confkey, generate_subscripts(ct.conkey, 1) AS s
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FROM pg_constraint ct
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) AS ct
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inner join pg_class c on c.oid=ct.conrelid
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inner join pg_namespace ns on c.relnamespace=ns.oid
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inner join pg_attribute a on a.attrelid=ct.conrelid and a.attnum =
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ct.conkey[ct.s]
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left join pg_class fc on fc.oid=ct.confrelid
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left join pg_namespace fns on fc.relnamespace=fns.oid
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left join pg_attribute fa on fa.attrelid=ct.confrelid and fa.attnum =
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ct.confkey[ct.s]
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where
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ct.contype='f'
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and fc.relname='pg_dist_background_job'
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and ns.nspname='pg_catalog'
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order by
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fns.nspname, fc.relname, a.attnum;
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constraint_name | column_name | foreign_table_name | foreign_table_schema
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---------------------------------------------------------------------
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pg_dist_background_task_job_id_fkey | job_id | pg_dist_background_job | pg_catalog
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pg_dist_background_task_depend_job_id_fkey | job_id | pg_dist_background_job | pg_catalog
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(2 rows)
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END;
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