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Fix incorrect timestamps in CDB_TableMetadata_Text

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Instead of performing a proper join on tabname, CDB_TableMetadata_Text joins
cdb_tablemetadata against pg_catalog.pg_class (i.e. All postgres tables,
views, indices, etc.) and gives a record for every possible tabname and
updated_at combination.  This results in the latest updated timestamp being
chosen for any table in CDB_Get_Foreign_Updated_At, which leads to unnecessary
and incorrect cache invalidation.
This commit is contained in:
Tyler Parsons
2018-01-25 12:27:38 -05:00
parent 58e2e7e238
commit d811a71da0
1 changed files with 1 additions and 1 deletions
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scripts-available/CDB_TableMetadata.sql
+1 -1
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@@ -7,7 +7,7 @@ CREATE TABLE IF NOT EXISTS
CREATE OR REPLACE VIEW public.CDB_TableMetadata_Text AS CREATE OR REPLACE VIEW public.CDB_TableMetadata_Text AS
SELECT FORMAT('%I.%I', n.nspname::text, c.relname::text) tabname, updated_at SELECT FORMAT('%I.%I', n.nspname::text, c.relname::text) tabname, updated_at
FROM public.CDB_TableMetadata, pg_catalog.pg_class c FROM public.CDB_TableMetadata m JOIN pg_catalog.pg_class c ON m.tabname::oid = c.oid
LEFT JOIN pg_catalog.pg_namespace n ON c.relnamespace = n.oid; LEFT JOIN pg_catalog.pg_namespace n ON c.relnamespace = n.oid;
-- No one can see this -- No one can see this