to_regdatabase() — PostgreSQL formatting function

to_regdatabase(): convert database name to regdatabase. PostgreSQL type conversion functions — signature, volatility, version applicability and an illustrative example.

Summary

to_regdatabase is a PostgreSQL built-in function in the Type Conversion Functions group. PostgreSQL’s system catalog (pg_proc) describes it as: “convert database name to regdatabase”.

Signature

to_regdatabase(text) → regdatabase

Argument and return types are taken from the pg_proc catalog; internal type names are shown using their readable SQL spellings (for example int4 is shown as integer). (Derived from the catalog — see the linked reference for the canonical documentation.)

Classification

  • Category: Type Conversion Functions
  • Kind: Function
  • Volatility: STABLE — Marked STABLE — within a single statement it returns a consistent result for the same arguments, but the result can change between statements.
  • Returns: regdatabase

Example

Illustrative form (replace placeholder values with your own data):

SELECT to_regdatabase('abc');

The example above is illustrative and is meant to show calling syntax only; consult the linked PostgreSQL documentation for exact semantics, edge cases and accepted argument combinations.

Version applicability

Based on the catalog across releases, to_regdatabase first appears in PostgreSQL 19 (development / upcoming release). It is present in: 19.

PostgreSQL 19 is still in development; functions introduced on the master branch may change before the final release.

Related & references

Reference: PostgreSQL documentation — Type Conversion Functions.