CastTypeName returns the name of the type used for casting.

ForEachCast calls fn for every valid cast from a source type to a target type.

LookupCast returns a cast that describes the cast from src to tgt if it exists.

LookupCastVolatility returns the Volatility of a valid cast.

OIDInCastMap checks to see if the cast is in the cast map.

ValidCast returns true if a valid cast exists from src to tgt in the given context.

ContextAssignment is a cast implicitly performed during an INSERT, UPSERT, or UPDATE statement.

ContextExplicit is a cast performed explicitly with the syntax CAST(x AS T) or x::T.

ContextImplicit is a cast performed implicitly.

ContextOriginAutomaticIOConversion specifies that a cast's maximum context is not included in Postgres's pg_cast table.

ContextOriginLegacyConversion is used for casts that are not supported by Postgres, but are supported by CockroachDB and continue to be supported for backwards compatibility.

ContextOriginPgCast specifies that a cast's maximum context is based on information in Postgres's pg_cast table.

Cast includes details about a cast from one OID to another.

Context represents the contexts in which a cast can be performed.

ContextOrigin indicates the source of information for a cast's maximum context (see cast.MaxContext below).