select open change scope Open full search

PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

Extensions / Foreign data wrappers

hash_fdw

Shared-memory hash-table foreign data wrapper for storing and querying rows by a configured key.

pgext.cloud · Source code · Documentation · Control file

Overview

Packagehash_fdw
Version1.0
RepositoryUnspecified
Extension typePreloaded
Requires CREATE EXTENSIONYes
Requires preloadYes
TrustedNo
RelocatableYes
Shared librarieshash_fdw
Stars3
Latest commit2016-09-21
Catalogue updated2026-08-30

Related extensions

See also

redis_fdwForeign data wrapper for querying a Redis server
hstoredata type for storing sets of (key, value) pairs
kv_fdwForeign data wrapper for key-value storage backed by RocksDB/VidarDB.
mysql_fdwForeign data wrapper for querying a MySQL server
kt_fdwForeign data wrapper for reading and writing Kyoto Tycoon key-value stores.
lsmRocksDB foreign data wrapper for PostgreSQL
tds_fdwForeign data wrapper for querying a TDS database (Sybase or Microsoft SQL Server)
oracle_fdwforeign data wrapper for Oracle access
postfgaA preload PostgreSQL extension integrating OpenFGA authorization through an FDW, C functions, gRPC background work and shared-memory caching.
pgnatsNATS messaging integration with publish, subscribe, JetStream, key-value, and object store SQL APIs