pike.git/ lib/ modules/ Sql.pmod/ pgsql_util.pmod

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2018-05-07

2018-05-07 08:46:46 by Stephen R. van den Berg <srb@cuci.nl>

pgsql: Stall fetching rows if they are not being consumed yet.

1339:    return retval;    }    -  final void _processdataready(array datarow, void|int msglen) { -  bytesreceived += msglen; -  inflight--; -  if (_state<CLOSED) -  datarows->write(datarow); -  if (++index == 1) -  PD("<%O _fetchlimit %d=min(%d||1,%d), inflight %d\n", _portalname, -  _fetchlimit, (portalbuffersize >> 1) * index / bytesreceived, -  pgsqlsess._fetchlimit, inflight); -  if (_fetchlimit) { +  private void replenishrows() { +  if (_fetchlimit && sizeof(datarows) <= _fetchlimit >> 1) {    _fetchlimit =    min((portalbuffersize >> 1) * index / bytesreceived || 1,    pgsqlsess._fetchlimit);
1361:    }    }    +  final void _processdataready(array datarow, void|int msglen) { +  bytesreceived += msglen; +  inflight--; +  if (_state<CLOSED) +  datarows->write(datarow); +  if (++index == 1) +  PD("<%O _fetchlimit %d=min(%d||1,%d), inflight %d\n", _portalname, +  _fetchlimit, (portalbuffersize >> 1) * index / bytesreceived, +  pgsqlsess._fetchlimit, inflight); +  replenishrows(); +  } +     private void releaseconditions() {    _unnamedportalkey = _unnamedstatementkey = 0;    if (!datarowtypes) {
1426:    //! @[eof()], @[send_row()]    /*semi*/final array(mixed) fetch_row() {    int|array datarow; +  replenishrows();    if (arrayp(datarow = datarows->try_read()))    return datarow;    if (!eoffound) {
1455:    /*semi*/final array(array(mixed)) fetch_row_array() {    if (eoffound)    return 0; +  replenishrows();    array(array|int) datarow = datarows->try_read_array();    if (!sizeof(datarow)) {    array cid = setuptimeout();    PT(datarow = datarows->read_array());    local_backend->remove_call_out(cid);    } -  +  replenishrows();    if (arrayp(datarow[-1]))    return datarow;    do datarow = datarow[..<1]; // Swallow EOF mark(s)