The GIN interface has a high level of abstraction, requiring the access method implementer only to implement the semantics of the data type

This section covers implementation details and other tricks that are useful for implementers of SP-GiST operator classes to know.

The catalog pg_auth_members shows the membership relations between roles. Any non-circular set of relationships is allowed.

Reliability is an important property of any serious database system, and PostgreSQL does everything possible to guarantee reliable operation

Table 9-30 shows the available functions for date/time value processing, with details appearing in the following subsections. Table 9-29 illustrates the behaviors of the basic

JSON data types are for storing JSON (JavaScript Object Notation) data, as specified in RFC 7159.

NameVACUUM -- garbage-collect and optionally analyze a database Synopsis

The pg_visibility module provides a means for examining the visibility map (VM) and page-level visibility information. It also provides functions

The catalog pg_range stores information about range types. This is in addition to the types' entries in

NameABORT -- abort the current transaction Synopsis