Module system_catalog_dumper

Dumps catalog information to files. We run queries in serial rather than parallel because all queries in the pgwire connection are run in serial anyways. Running the queries in serial also makes cleaning up / aborting queries much easier.

Structs

ClusterReplica

Relation

SystemCatalogDumper

Enums

RelationCategory

Statics

MAX_CLUSTER_REPLICA_ERROR_COUNT 🔒

The maximum number of errors we tolerate for a cluster replica. If a cluster replica has more than this many errors, we skip it.

PG_CONNECTION_TIMEOUT 🔒

PG_QUERY_TIMEOUT 🔒

Timeout for a query.

RELATIONS 🔒

This list is used to determine which relations to dump. The relations are grouped and delimited by their category (i.e. Basic object information)

SELECT_CLUSTER_REPLICAS_QUERY 🔒

SET_SEARCH_PATH_QUERY 🔒

SYSTEM_CATALOG_DUMP_DIR 🔒

Functions

copy_relation_to_csv

create_postgres_connection

format_catalog_dump_error_message 🔒

format_file_path 🔒

query_column_names

query_relation

write_copy_stream