jrgemignani commented on code in PR #1272:
URL: https://github.com/apache/age/pull/1272#discussion_r1358998326
##########
src/backend/utils/adt/agtype.c:
##########
@@ -4994,6 +4994,84 @@ Datum age_last(PG_FUNCTION_ARGS)
PG_RETURN_POINTER(agtype_value_to_agtype(agtv_result));
}
+PG_FUNCTION_INFO_V1(age_tail);
+/*
+ * Returns a list containing all the elements, excluding the first one, from
a list.
+ */
+Datum age_tail(PG_FUNCTION_ARGS)
+{
+ Oid arg_type;
+ agtype *agt_arg = NULL;
+ agtype *agt_result = NULL;
+ agtype_in_state agis_result;
+ int count;
+ int i;
+
+ /* check number of arguments */
+ if (PG_NARGS() < 1 || PG_NARGS() > 1)
+ {
+ ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("age_tail() requires only one argument")));
+ }
+
+ /* get the data type */
+ arg_type = get_fn_expr_argtype(fcinfo->flinfo, 0);
+
+ /* check the data type */
+ if (arg_type != AGTYPEOID)
+ {
+ ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("age_tail() argument must be of type agtype")));
+ }
+
+ /* check for null */
+ if (PG_ARGISNULL(0))
+ {
+ PG_RETURN_NULL();
+ }
+
+ agt_arg = AG_GET_ARG_AGTYPE_P(0);
+ /* check for an array */
+ if (!AGT_ROOT_IS_ARRAY(agt_arg) || AGT_ROOT_IS_SCALAR(agt_arg))
+
Review Comment:
Still appears to have an extra newline
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