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3334b0d9f2
Previously, this function imported remote statistics by executing SQL
functions like pg_restore_relation_stats and pg_restore_attribute_stats
via SPI (in read-write mode). As the SQL functions take a schema name
and a relation name as two separate arguments, rather than a single OID
argument, if the containing schema was concurrently renamed, the
callback function would throw an error like this:
ERROR: schema "foo" does not exist
To fix, 1) provide new interface functions to import remote statistics
that are directly callable from FDWs and take a single OID, and 2)
modify the callback function to use the interface functions instead when
importing remote statistics.
For #1, this commit does a bit of refactoring to
relation_statistics_update and attribute_statistics_update, which are
the workhorse functions for pg_restore_relation_stats and
pg_restore_attribute_stats respectively: since they also take a schema
name and a relation name, separate the guts of them into new functions
so that they take a single OID and are callable not only from the
workhorse functions but from the interface functions introduced by #1.
Oversight in commit
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| postgres_fdw.sql | ||
| query_cancel.sql | ||