Function _query_id_start

modules/sqlops/sqlops_db.c:635–656

static str _query_id = {NULL,0};
static inline str* _query_id_start( str *table, str *order)
{
	if (_query_id.s==NULL) {
		if ( !query_id_max_len ||
		(_query_id.s=pkg_malloc(query_id_max_len ))==NULL )
			return NULL;
	}
	_query_id.len = 0;

	memcpy( _query_id.s + _query_id.len, table->s, table->len);
	_query_id.len += table->len;

	if (order) {
		*(_query_id.s + _query_id.len++) = '|';
		memcpy( _query_id.s + _query_id.len, order->s, order->len);
		_query_id.len += order->len;
	}

	*(_query_id.s + _query_id.len++) = '^';

	return &_query_id;
}

static inline str* _query_id_add_cols( db_key_t *_c, int _nc)
{