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pg_backend_pid

Enterprise scalar function reference.

Function Snapshot

Field Value
Function pg_backend_pid
Category Postgres Compatibility and System
Scope Scalar expression
Discovery SELECT * FROM pg_catalog.pg_proc WHERE proname = 'pg_backend_pid';

Purpose

Executes the scalar function pg backend pid as registered in the MonkDB scalar function registry.

Syntax

SELECT pg_backend_pid();

Parameters

  • No arguments.

Returns

  • Returns function-specific scalar/array/object according to resolved overload.

Null and Error Behavior

  • Most overloads are deterministic and null-propagating unless documented otherwise.
  • Validate concrete overload behavior with pg_catalog.pg_proc in your running build.

Operational Notes

  • This function exists mainly for PostgreSQL tooling compatibility and metadata introspection.
  • Validate overload details in-cluster with pg_catalog.pg_proc and pg_get_function_result(oid).

Cross-References