Function parse_order_by_agg

src/cypher/cypher.c:1558–1569

Parse ORDER BY field into r->order_by and r->order_dir */ Parse aggregate function call for ORDER BY */

/* Parse ORDER BY field into r->order_by and r->order_dir */
/* Parse aggregate function call for ORDER BY */
static void parse_order_by_agg(parser_t *p, char *buf, size_t buf_sz) {
    const char *fn = agg_func_name(peek(p)->type);
    advance(p);
    expect(p, TOK_LPAREN);
    if (match(p, TOK_STAR)) {
        snprintf(buf, buf_sz, "%s(*)", fn);
    } else {
        const cbm_token_t *var = expect(p, TOK_IDENT);
        snprintf(buf, buf_sz, "%s(%s)", fn, var ? var->text : "");
    }
    expect(p, TOK_RPAREN);
}

/* Parse var[.prop] for ORDER BY */
static void parse_order_by_var(parser_t *p, char *buf, size_t buf_sz) {