Adding tests for composite keys
[csql.git] / include / SqlLogConnection.h
blob55bcbe1071f76708d3895df6119fd71d11c0a204
1 /***************************************************************************
2 * Copyright (C) 2007 by Prabakaran Thirumalai *
3 * praba_tuty@yahoo.com *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
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9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
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17 * Free Software Foundation, Inc., *
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19 ***************************************************************************/
20 #ifndef SQLLOGCONNECTION_H
21 #define SQLLOGCONNECTION_H
22 #include<CSql.h>
23 #include<AbsSqlConnection.h>
24 #include<SqlFactory.h>
25 #include<Util.h>
26 #include<Network.h>
28 class CachedTable{
29 public:
30 char tableName[IDENTIFIER_LENGTH];
33 /**
34 * @class SqlLogConnection
37 class SqlLogConnection : public AbsSqlConnection
39 Connection dummyConn;
41 //stores all the sql log packets to be shipped to peers
42 List logStore;
44 //stores all the prepare log packets to be shipped to peers
45 //as soon as connection is reestablished to cache server
46 List prepareStore;
48 //stores all the prepare log packets to be shipped between two
49 //consecutive commits. Commit() call sends first all the stmts
50 //prepared during the course and then sends the exec pkts
51 List curPrepareStore;
53 //sync mode of the current transaction
54 TransSyncMode syncMode;
56 //stores client objects in it for peer
57 NetworkTable nwTable;
59 static UniqueID txnUID;
61 static List cacheList;
62 DbRetVal populateCachedTableList();
64 public:
65 SqlLogConnection(){innerConn = NULL; syncMode = ASYNC;}
67 bool isTableCached(char *name);
69 //Note::forced to implement this as it is pure virtual in base class
70 Connection& getConnObject(){ return dummyConn; }
72 DbRetVal connect (char *user, char * pass);
74 DbRetVal disconnect();
76 DbRetVal commit();
78 DbRetVal rollback();
80 DbRetVal beginTrans (IsolationLevel isoLevel, TransSyncMode mode);
82 DbRetVal addPacket(BasePacket *pkt);
84 DbRetVal addPreparePacket(PacketPrepare *pkt);
85 DbRetVal removePreparePacket(int stmtid);
87 DbRetVal setSyncMode(TransSyncMode mode);
88 TransSyncMode getSyncMode() { return syncMode; }
89 DbRetVal connectIfNotConnected() { return nwTable.connectIfNotConnected(); }
90 DbRetVal sendAndReceive(NetworkPacketType type, char *packet, int length);
91 friend class SqlFactory;
94 #endif