11th October 2018: PostgreSQL 11 RC 1 Released!

Feature Matrix

This table outlines which features were added in which version. To get more information about a feature, click the link or hover the mouse pointer over the text.

Groups

Backend

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
64-bit large objects Yes Yes Yes Yes Yes Yes No No No No No No No
Advisory locks Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Autovacuum enabled by default Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Custom background workers Yes Yes Yes Yes Yes Yes No No No No No No No
Disk based FSM Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Dollar Quoting Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Dynamic Background Workers Yes Yes Yes Yes Yes No No No No No No No No
EXPLAIN (BUFFERS) support Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Full code coverage generation support Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Holdable cursors Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Integrated autovacuum daemon Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Loadable plugin infrastructure for monitoring the planner Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Multiple autovacuum workers Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Named restore points Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Payload support for LISTEN/NOTIFY Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Prefix support for text search synonym dictionary Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Savepoints Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Serializable Snapshot Isolation Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
SQLDA support for ECPG Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
SQL-standard information schema Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Support for anonymous shared memory Yes Yes Yes Yes Yes Yes No No No No No No No
Two Phase commit Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Txid functions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
UNNEST/array_agg Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Updateable cursors Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Version aware psql Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Visibility map Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
XML, JSON and YAML output for EXPLAIN Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No

Data Types, Functions, & Operators

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Arrays of compound types Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Array support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
ENUM data type Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
GUID/UUID data type Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Improved set of JSON functions and operators Yes Yes Yes Yes Yes Yes No No No No No No No
IS0 8601 interval syntax Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
JSONB data type Yes Yes Yes Yes Yes No No No No No No No No
JSONB-modifying operators and functions Yes Yes Yes Yes No No No No No No No No No
JSON data type Yes Yes Yes Yes Yes Yes Yes No No No No No No
macaddr8 data type Yes Yes No No No No No No No No No No No
NULLs in Array Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Phrase search Yes Yes Yes No No No No No No No No No No
Range types Yes Yes Yes Yes Yes Yes Yes No No No No No No
smallserial type Yes Yes Yes Yes Yes Yes Yes No No No No No No
Type modifier support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
XML data type Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No

Indexing & Constraints

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Block-range indexes Yes Yes Yes Yes No No No No No No No No No
Concurrent GiST indexes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Covering Indexes for B-trees (INCLUDE) Yes No No No No No No No No No No No No
Crash-safe GiST indexes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Deferrable unique constraints Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Exclusion constraints Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
GIN (Generalized Inverted Index) Indexes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
GIN indexes partial match Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
GIN Index performance and size improvements Yes Yes Yes Yes Yes No No No No No No No No
GiST (Generalized Search Tree) Indexes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Indexes on expressions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Index-only scans Yes Yes Yes Yes Yes Yes Yes No No No No No No
Index-only scans on GiST Yes Yes Yes Yes No No No No No No No No No
Index support for IS NULL Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
In-memory Bitmap Indexes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Non-blocking CREATE INDEX Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Parallel B-tree index scans Yes Yes No No No No No No No No No No No
Parallelized CREATE INDEX for B-tree indexes Yes No No No No No No No No No No No No
Space-Partitioned GiST (SP-GiST) Indexes Yes Yes Yes Yes Yes Yes Yes No No No No No No
SP-GiST indexes for range types Yes Yes Yes Yes Yes Yes No No No No No No No
WAL-safe B-Tree Indexes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
WAL support for hash indexes Yes Yes No No No No No No No No No No No

SQL

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Common Table Expressions & Recursive Queries Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
GROUPING SETS, CUBE and ROLLUP support Yes Yes Yes Yes No No No No No No No No No
INSERT ... ON CONFLICT DO NOTHING/UPDATE Yes Yes Yes Yes No No No No No No No No No
INSERT/UPDATE/DELETE RETURNING Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
LATERAL clause Yes Yes Yes Yes Yes Yes No No No No No No No
Multiple input aggregates Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Multirow VALUES Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
ORDER BY NULLS FIRST/LAST Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Row-wise comparison Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
SELECT FOR NO KEY UPDATE/SELECT FOR KEY SHARE lock modes Yes Yes Yes Yes Yes Yes No No No No No No No
SQL standard interval handling Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
TABLE statement Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Window functions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
WITHIN GROUP clause Yes Yes Yes Yes Yes No No No No No No No No
WITH ORDINALITY clause Yes Yes Yes Yes Yes No No No No No No No No
Writable Common Table Expressions Yes Yes Yes Yes Yes Yes Yes Yes No No No No No

Data Definition Language (DDL)

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
ALTER object IF EXISTS Yes Yes Yes Yes Yes Yes Yes No No No No No No
ALTER TABLE ... ADD UNIQUE/PRIMARY KEY USING INDEX Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
ALTER TABLE ... SET LOGGED / UNLOGGED Yes Yes Yes Yes No No No No No No No No No
Changing column types (ALTER TABLE .. ALTER COLUMN TYPE) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
CREATE TABLE ... (LIKE) with foreign tables, views and composite types Yes Yes Yes Yes Yes Yes Yes No No No No No No
DROP object IF EXISTS Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
MVCC safe CLUSTER Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
ON COMMIT clause for CREATE TEMPORARY TABLE Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Typed tables Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No

Performance

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Abbreviated Keys Yes Yes Yes Yes No No No No No No No No No
Asynchronous Commit Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Automatic plan invalidation Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Background Checkpointer Yes Yes Yes Yes Yes Yes Yes No No No No No No
Background Writer Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Base backup throttling Yes Yes Yes Yes Yes No No No No No No No No
Cross datatype hashing support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Distributed checkpointing Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Foreign keys marked as NOT VALID Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Frozen page map Yes Yes Yes No No No No No No No No No No
Full Text Search Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Hashing support for DISTINCT/UNION/INTERSECT/EXCEPT Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Hashing support for FULL OUTER JOIN, LEFT OUTER JOIN and RIGHT OUTER JOIN Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Hashing support for NUMERIC Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Heap Only Tuples (HOT) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Inlining of SQL-functions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Join removal support Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Just-in-Time (JIT) compilation for expression evaluation and tuple deforming Yes No No No No No No No No No No No No
K-nearest neighbor GiST support Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Lazy XID allocation Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Multi-core scalability for read-only workloads Yes Yes Yes Yes Yes Yes Yes No No No No No No
Multiple temporary tablespaces Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Outer Join reordering Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Parallel bitmap heap scans Yes Yes No No No No No No No No No No No
Parallelized hash joins Yes No No No No No No No No No No No No
Parallel JOIN, aggregate Yes Yes Yes No No No No No No No No No No
Parallel merge joins Yes Yes No No No No No No No No No No No
Parallel query Yes Yes Yes No No No No No No No No No No
Parallel restore Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Parallel seqscan Yes Yes Yes No No No No No No No No No No
Parallel vacuumdb jobs Yes Yes Yes Yes No No No No No No No No No
Partial sort capability (top-n sorting) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
pg_prewarm Yes Yes Yes Yes Yes No No No No No No No No
Reduced lock levels for ALTER TABLE commands Yes Yes Yes Yes Yes No No No No No No No No
SELECT ... FOR UPDATE/SHARE NOWAIT Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Semi- and Antijoins Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Set costs specific to TABLESPACEs Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Shared row level locking Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
SKIP LOCKED clause Yes Yes Yes Yes No No No No No No No No No
Synchronized sequential scanning Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Table partitioning Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
TABLESAMPLE clause Yes Yes Yes Yes No No No No No No No No No
Tablespaces Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Unlogged tables Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
WAL Buffer auto-tuning Yes Yes Yes Yes Yes Yes Yes Yes No No No No No

Partitioning & Inheritance

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Declarative table partitioning Yes Yes No No No No No No No No No No No
Default Partition Yes No No No No No No No No No No No No
Foreign table inheritance Yes Yes Yes Yes No No No No No No No No No
Partitioning by a hash key Yes No No No No No No No No No No No No
Support for PRIMARY KEY, FOREIGN KEY, indexes, and triggers on partitioned tables Yes No No No No No No No No No No No No
UPDATE on a partition key Yes No No No No No No No No No No No No

Views & Materialized Views

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Materialized Views Yes Yes Yes Yes Yes Yes No No No No No No No
Materialized views with concurrent refresh Yes Yes Yes Yes Yes No No No No No No No No
Temporary VIEWs Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Updatable views Yes Yes Yes Yes Yes Yes No No No No No No No
WITH CHECK clause Yes Yes Yes Yes Yes No No No No No No No No

Backup, Restore, Data Integrity, & Replication

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Cascading streaming replication Yes Yes Yes Yes Yes Yes Yes No No No No No No
Checksum on data pages Yes Yes Yes Yes Yes Yes No No No No No No No
Generic WAL facility Yes Yes Yes No No No No No No No No No No
Hot Standby Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Logical Replication Yes Yes No No No No No No No No No No No
min_wal_size / max_wal_size Yes Yes Yes Yes No No No No No No No No No
Multiple synchronous standbys Yes Yes Yes No No No No No No No No No No
Parallel pg_dump Yes Yes Yes Yes Yes Yes No No No No No No No
pg_basebackup tool Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
pg_receivewal (formerly pg_receivexlog) Yes Yes Yes Yes Yes Yes Yes No No No No No No
Point-in-Time Recovery Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Quorum commit for synchronous replication Yes Yes No No No No No No No No No No No
remote_apply mode Yes Yes Yes No No No No No No No No No No
Replication Slots Yes Yes Yes Yes Yes No No No No No No No No
Streaming-only cascading replication Yes Yes Yes Yes Yes Yes No No No No No No No
Streaming Replication Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Synchronous replication Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Time-delayed Standbys Yes Yes Yes Yes Yes No No No No No No No No
Warm Standby Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No

Data Import & Export

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
COPY from/to STDIN/STDOUT Yes Yes Yes Yes Yes Yes No No No No No No No
COPY with arbitrary SELECT Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
CSV support for COPY Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

Configuration Management

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
ALTER SYSTEM Yes Yes Yes Yes Yes No No No No No No No No
Per user/database server configuration settings Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
pg_config system view Yes Yes Yes No No No No No No No No No No

Security

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Channel binding for SCRAM authentication Yes No No No No No No No No No No No No
Column level permissions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Default permissions Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
GRANT/REVOKE ON ALL TABLES/SEQUENCES/FUNCTIONS Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
GSSAPI support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
krb5 authentication (without gssapi) Obsolete Obsolete Obsolete Obsolete Obsolete Yes Yes Yes Yes Yes Yes Yes Yes
Large object access controls Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Native LDAP authentication Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Native RADIUS authentication Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Per user/database connection limits Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
ROLES Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Row-Level Security Yes Yes Yes Yes No No No No No No No No No
SCRAM-SHA-256 Authentication Yes Yes No No No No No No No No No No No
Search+bind mode operation for LDAP authentication Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
security_barrier option on views Yes Yes Yes Yes Yes Yes Yes No No No No No No
Security Service Provider Interface (SSPI) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
SSL certificate validation in libpq Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
SSL client certificate authentication Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
SSPI authentication via GSSAPI Yes Yes Yes Yes Yes Yes Yes Yes No No No No No

Foreign Data Wrappers

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Foreign data wrappers Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Foreign Tables Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
IMPORT FOREIGN SCHEMA Yes Yes Yes Yes No No No No No No No No No
postgres_fdw pushdown Yes Yes Yes No No No No No No No No No No
PostgreSQL Foreign Data Wrapper Yes Yes Yes Yes Yes Yes No No No No No No No
Writable Foreign Data Wrappers Yes Yes Yes Yes Yes Yes No No No No No No No

Custom Functions, Stored Procedures, & Triggers

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
ALTER TABLE ENABLE/DISABLE TRIGGER Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
ALTER TABLE / ENABLE REPLICA TRIGGER/RULE Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
CALL syntax for executing procedures Yes No No No No No No No No No No No No
Column level triggers Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
CREATE PROCEDURE syntax for SQL stored procedures Yes No No No No No No No No No No No No
Event triggers Yes Yes Yes Yes Yes Yes No No No No No No No
FILTER clause for aggregate functions Yes Yes Yes Yes Yes No No No No No No No No
Function argument names Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
ORDER BY support within aggregates Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Per function GUC settings Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Per function statistics Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
RETURN QUERY EXECUTE Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
RETURNS TABLE Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Statement level triggers Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Statement level TRUNCATE triggers Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Triggers on views Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Variadic functions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
WHEN clause for CREATE TRIGGER Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No

Procedural Languages

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
CASE in pl/pgsql Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
CONTINUE statement for PL/pgSQL Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
CREATE TRANSFORM Yes Yes Yes Yes No No No No No No No No No
DO statement for pl/perl Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
DO statement for pl/pgsql Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
EXCEPTION support in PL/pgSQL Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
EXECUTE USING in PL/pgSQL Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
FOREACH IN ARRAY in pl/pgsql Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
IN/OUT/INOUT parameters for pl/pgsql and PL/SQL Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Named parameters Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Non-superuser language creation Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Number of function arguments increased to 100 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
pl/pgsql installed by default Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Polymorphic functions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Python 3 support for pl/python Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Qualified function parameters Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
RETURN QUERY in pl/pgsql Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
ROWS and COST specification for functions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Scrollable and updatable cursor support for pl/pgsql Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
SQLERRM/SQLSTATE for pl/pgsql Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Unicode object support in PL/python Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
User defined exceptions Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Validator function for pl/perl Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

Extensions

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
CREATE EXTENSION .. CASCADE Yes Yes Yes No No No No No No No No No No
Extension Installation Yes Yes Yes Yes Yes Yes Yes Yes No No No No No

Internationalisation

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Column-level collation support Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
Database level Collation Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
EUC_JIS_2004/ SHIFT_JIS_2004 support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
ICU collations Yes Yes No No No No No No No No No No No
Multibyte encoding support, incl. UTF8 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Multiple language support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Unicode string literals and identifiers Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
UTF8 support on Windows Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

Additional Modules (contrib)

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
contrib/adminpack Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
contrib/auth_delay Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
contrib/autoexplain Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
contrib/btree_gin Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
contrib/btree_gist Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/citext Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
contrib/dblink Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/dblink asyncronous notification support Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
contrib/dbsize Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
contrib/file_fdw Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
contrib/fuzzystrmatch Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/hstore Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
contrib/hstore improvements Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
contrib/intarray Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/isn (ISBN) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
contrib/ltree Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/pageinspect Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
contrib/passwordcheck Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
contrib/pg_autovacuum Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
contrib/pgbench Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/pg_buffercache Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/pg_freespacemap Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
contrib/pg_rewind Yes Yes Yes Yes No No No No No No No No No
contrib/pg_standby Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
contrib/pg_stat_statements Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
contrib/pg_stat_statements improvements Yes Yes Yes Yes Yes Yes Yes No No No No No No
contrib/pgstattuple Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/pg_trgm Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/pg_trgm regular expressions indexing Yes Yes Yes Yes Yes Yes No No No No No No No
contrib/pg_upgrade Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
contrib/pg_xlogdump Yes Yes Yes Yes Yes Yes No No No No No No No
contrib/seg Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/sepgsql Yes Yes Yes Yes Yes Yes Yes Yes No No No No No
contrib/sslinfo Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
contrib/tablefunc Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
contrib/tcn Yes Yes Yes Yes Yes Yes Yes No No No No No No
contrib/tsearch2 Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Yes Yes
contrib/tsearch2 compat wrapper Obsolete Obsolete Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
contrib/tsearch2 UTF8 support Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Yes No
contrib/unaccent Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
contrib/userlocks Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Yes
contrib/uuid-ossp Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
contrib/xml2 Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Yes Yes Yes
KNN support for CUBE Yes Yes Yes No No No No No No No No No No

Network

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Full SSL support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
IPv6 Support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
V2 client protocol Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
V3 client protocol Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

Platforms

  11 10 9.6 9.5 9.4 9.3 9.2 9.1 9.0 8.4 8.3 8.2 8.1
Microsoft Visual C++ Support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Native Windows Port Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Spinlock support for the SuperH hardware platform Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No
Sun Studio compiler on Linux Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No
Windows x64 support Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No