Mercurial > hg > monetdb-java
view src/main/java/nl/cwi/monetdb/mcl/protocol/StarterHeaders.java @ 96:4a93f75c72c9 embedded
Java enums are compiled into objects, so changing the server responses parameters into integers gives an extra performance.
author | Pedro Ferreira <pedro.ferreira@monetdbsolutions.com> |
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date | Sun, 08 Jan 2017 10:34:34 +0000 (2017-01-08) |
parents | c9db0fdbfc53 |
children | c0ce1ea5075f |
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/* * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * Copyright 1997 - July 2008 CWI, August 2008 - 2017 MonetDB B.V. */ package nl.cwi.monetdb.mcl.protocol; /** * This class lists the possible responses of a query by the server. Notice that Q_PARSE is not used by neither a MAPI or * embedded connection, so it's here for completeness. */ public final class StarterHeaders { /* Please don't change the order */ /** A parse response (not handled) */ public static final int Q_PARSE = 0; /** A tabular response (typical ResultSet) */ public static final int Q_TABLE = 1; /** A response to an update statement, contains number of affected rows and generated key-id */ public static final int Q_UPDATE = 2; /** A response to a schema update */ public static final int Q_SCHEMA = 3; /** A response to a transaction statement (start, rollback, abort, commit) */ public static final int Q_TRANS = 4; /** A tabular response in response to a PREPARE statement containing information about the wildcard values that * need to be supplied */ public static final int Q_PREPARE = 5; /** A tabular continuation response (for a ResultSet) */ public static final int Q_BLOCK = 6; /** An unknown and unsupported response */ public static final int Q_UNKNOWN = 7; }