Ref. URL:

Programming with SQL Relay using the PHP API

// $tsdb_dsn = 'sqlrelay://AAAA:BBBB@CCCC:9000';

// dl("sql_relay.so");
$sql ="
	select tag1,tag2,val
	from TBL_SITE_REPORT_DAY t
	where
	xdate=to_date('20180906','yyyymmdd')
	and tag1='top_item@0005'
	order by val desc
";

$con=sqlrcon_alloc("CCCC",9000,"","AAAA","BBBB",0,1);
$cur=sqlrcur_alloc($con);
sqlrcur_sendQuery($cur, $sql );
sqlrcon_endSession($con);

$fields = array();
for ($i=0; $i<sqlrcur_colCount($cur); $i++) {
  $fields[] = sqlrcur_getColumnName($cur,$i);
}
print_r( $fields );

if ( sqlrcur_rowCount($cur) ) {
  echo "row count " . sqlrcur_rowCount($cur) . "\n";

  for ($row=0; $row<sqlrcur_rowCount($cur); $row++) {
    for ($col=0; $col<sqlrcur_colCount($cur); $col++) {
      echo sqlrcur_getField($cur,$row,$col);
      echo ",";
    }
    echo "\n";
  }
}

sqlrcur_free($cur);
sqlrcon_free($con);