builtins: change crdb_internal.datums_to_bytes() to accept types.Any

Previously, crdb_internal.datums_to_bytes() required all arguments to
have the same type. This patch removes that restriction to allow
arguments of any type.

Release note: None

Author: mw5h

pkg/sql/sem/builtins/builtins.go

@@ -4539,7 +4539,7 @@ value if you rely on the HLC for accuracy.`,
 			// Note that datums_to_bytes(a) == datums_to_bytes(b) iff (a IS NOT DISTINCT FROM b)
 			Info: "Converts datums into key-encoded bytes. " +
 				"Supports NULLs and all data types which may be used in index keys",
-			Types:      tree.VariadicType{VarType: types.AnyElement},
+			Types:      tree.VariadicType{VarType: types.Any},
 			ReturnType: tree.FixedReturnType(types.Bytes),
 			Fn: func(_ context.Context, _ *eval.Context, args tree.Datums) (tree.Datum, error) {
 				var out []byte

pkg/sql/sem/builtins/fixed_oids.go

@@ -1249,7 +1249,7 @@ var builtinOidsArray = []string{
 	1273: `crdb_internal.json_to_pb(pbname: string, json: jsonb) -> bytes`,
 	1274: `crdb_internal.read_file(uri: string) -> bytes`,
 	1275: `crdb_internal.write_file(data: bytes, uri: string) -> int`,
-	1276: `crdb_internal.datums_to_bytes(anyelement...) -> bytes`,
+	1276: `crdb_internal.datums_to_bytes(any...) -> bytes`,
 	1277: `crdb_internal.merge_statement_stats(input: jsonb[]) -> jsonb`,
 	1278: `crdb_internal.merge_transaction_stats(input: jsonb[]) -> jsonb`,
 	1279: `crdb_internal.merge_stats_metadata(input: jsonb[]) -> jsonb`,