Skip to content

uuid_generate_v4

Enterprise scalar function reference.

Function Snapshot

Field Value
Function uuid_generate_v4
Category String and Text
Scope Scalar expression
Discovery SELECT * FROM pg_catalog.pg_proc WHERE proname = 'uuid_generate_v4';

Purpose

Generates a random UUID v4 string.

Syntax

SELECT uuid_generate_v4();

Parameters

  • No arguments.

Returns

  • Returns UUID string.

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

  • Use schema-qualified objects and parameterized queries for production pipelines.
  • Validate overload details in-cluster with pg_catalog.pg_proc and pg_get_function_result(oid).

Cross-References