xxhash
xxhash functions for PostgreSQL
Repository
hatarist/pg_xxhash
https://github.com/hatarist/pg_xxhash
Source
pg_xxhash-0.0.1.tar.gz
pg_xxhash-0.0.1.tar.gz
Overview
| Package | Version | Category | License | Language |
|---|---|---|---|---|
pg_xxhash | 0.0.1 | UTIL | BSD 2-Clause | C |
| ID | Extension | Bin | Lib | Load | Create | Trust | Reloc | Schema |
|---|---|---|---|---|---|---|---|---|
| 4430 | xxhash | No | Yes | No | Yes | Yes | Yes | - |
| Related | hashlib shacrypt pgcrypto gzip bzip zstd http pg_net |
|---|
Version
| Type | Repo | Version | PG Ver | Package | Deps |
|---|---|---|---|---|---|
| EXT | PIGSTY | 0.0.1 | 1817161514 | pg_xxhash | - |
| RPM | PIGSTY | 0.0.1 | 1817161514 | pg_xxhash_$v | - |
| DEB | PIGSTY | 0.0.1 | 1817161514 | postgresql-$v-pg-xxhash | - |
Build
You can build the RPM / DEB packages for pg_xxhash using pig build:
pig build pkg pg_xxhash # build RPM / DEB packages
Install
You can install pg_xxhash directly. First, make sure the PGDG and PIGSTY repositories are added and enabled:
pig repo add pgsql -u # Add repo and update cache
Install the extension using pig or apt/yum/dnf:
pig install pg_xxhash; # Install for current active PG version
pig ext install -y pg_xxhash -v 18 # PG 18
pig ext install -y pg_xxhash -v 17 # PG 17
pig ext install -y pg_xxhash -v 16 # PG 16
pig ext install -y pg_xxhash -v 15 # PG 15
pig ext install -y pg_xxhash -v 14 # PG 14
dnf install -y pg_xxhash_18 # PG 18
dnf install -y pg_xxhash_17 # PG 17
dnf install -y pg_xxhash_16 # PG 16
dnf install -y pg_xxhash_15 # PG 15
dnf install -y pg_xxhash_14 # PG 14
apt install -y postgresql-18-pg-xxhash # PG 18
apt install -y postgresql-17-pg-xxhash # PG 17
apt install -y postgresql-16-pg-xxhash # PG 16
apt install -y postgresql-15-pg-xxhash # PG 15
apt install -y postgresql-14-pg-xxhash # PG 14
Create Extension:
CREATE EXTENSION xxhash;
Usage
Provides xxHash non-cryptographic hash functions that return hex strings or bytea.
Text Output Functions
SELECT xxh32('https://example.com'); -- 'ba15a4a8'
SELECT xxh64('https://example.com'); -- 'b131752760b48654'
SELECT xxh3_64('https://example.com'); -- '9398cc7c078760e6'
SELECT xxh128('https://example.com'); -- '4879d6aa9d88e9c7a169c008892d4829'
Binary Output Functions
SELECT xxh32b('https://example.com'); -- \xba15a4a8
SELECT xxh64b('https://example.com'); -- \xb131752760b48654
SELECT xxh3_64b('https://example.com'); -- \x9398cc7c078760e6
SELECT xxh128b('https://example.com'); -- \x4879d6aa9d88e9c7a169c008892d4829
Available Functions
| Function | Bits | Output |
|---|---|---|
xxh32(text) | 32 | hex text |
xxh64(text) | 64 | hex text |
xxh3_64(text) | 64 | hex text |
xxh128(text) | 128 | hex text |
xxh32b(text) | 32 | bytea |
xxh64b(text) | 64 | bytea |
xxh3_64b(text) | 64 | bytea |
xxh128b(text) | 128 | bytea |
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