Function parse_where

src/cypher/cypher.c:1309–1324

Parse WHERE clause — builds expression tree */

/* Parse WHERE clause — builds expression tree */
static int parse_where(parser_t *p, cbm_where_clause_t **out) {
    if (!match(p, TOK_WHERE)) {
        *out = NULL;
        return 0;
    }

    cbm_where_clause_t *w = calloc(CBM_ALLOC_ONE, sizeof(cbm_where_clause_t));
    w->root = parse_or_expr(p);
    if (!w->root && p->error[0]) {
        free(w);
        return CBM_NOT_FOUND;
    }

    *out = w;
    return 0;
}

/* Helper: is token an aggregate function? */
static bool is_aggregate_tok(cbm_token_type_t t) {