135 lines
3.1 KiB
C++
135 lines
3.1 KiB
C++
/*
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* File: LSQConnection.cpp
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* Author: SET - nmset@netcourrier.com
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* License : LGPL version 2.1
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* Copyright SET, M. D. - © 2014
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*
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* Created on 25 mai 2014, 16:08
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*/
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#ifdef USE_LIBSQ
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#include "LSQConnection.h"
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#include "LSQresult.h"
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using namespace SQ;
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LSQConnection::LSQConnection() : LConnection()
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{
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m_conn = NULL;
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m_errMsg = NULL;
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}
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LSQConnection::LSQConnection(const wxString& newInfo) : LConnection(newInfo)
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{
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m_conn = NULL;
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m_errMsg = NULL;
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}
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LSQConnection::~LSQConnection()
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{
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Close();
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}
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const char *LSQConnection::GetLastLibMessage() const
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{
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return m_errMsg;
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}
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bool LSQConnection::Connect()
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{
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if (m_conn != NULL)
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{
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return true;
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}
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const char* cinfo = m_connInfo.c_str();
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int flag = (m_readOnly ? SQLITE_OPEN_READONLY | SQLITE_OPEN_CREATE : SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
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int res = sqlite3_open_v2(cinfo, &m_conn, flag, NULL);
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if (res != 0) Close();
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return (res == 0);
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}
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void * LSQConnection::Get() const
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{
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return (void*) m_conn;
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}
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bool LSQConnection::IsValid() const
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{
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/*
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Is there a better way to really check the status of the sqlite3 connection object ?
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* Something like PQstatus(PGconn*) ?
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* Quote from the documentation :
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*
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* The application must insure that the 1st parameter to sqlite3_exec()
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* is a valid and open [database connection]
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*
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* How to ?
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*/
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return (m_conn != NULL);
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}
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void LSQConnection::Close()
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{
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if (m_conn != NULL)
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{
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sqlite3_close(m_conn);
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m_conn = NULL;
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m_errMsg = NULL;
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}
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}
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void * LSQConnection::ExecuteSQL(const wxString& newSql)
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{
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wxCHECK_MSG(IsValid() == true, NULL, _("Invalid connection"));
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SQresult * res = new SQresult();
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const char* cSQL = newSql.c_str();
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m_errMsg = NULL;
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int rc = sqlite3_get_table(m_conn, cSQL, &res->m_data, &res->m_nbRows, &res->m_nbCols, &m_errMsg);
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if (m_errMsg)
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{
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InformSQMessage(m_errMsg);
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sqlite3_free(m_errMsg);
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sqlite3_free_table(res->m_data);
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res = NULL;
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}
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return (void*) res;
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}
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bool LSQConnection::ExecuteUpdateSQL(const wxString& newSql)
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{
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wxCHECK_MSG(IsValid() == true, false, _("Invalid connection"));
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const char* cSQL = newSql.c_str();
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m_errMsg = NULL;
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int rc = sqlite3_exec(m_conn, cSQL, NULL, NULL, &m_errMsg);
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if (m_errMsg)
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{
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InformSQMessage(m_errMsg);
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sqlite3_free(m_errMsg);
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}
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return (rc == SQLITE_OK);
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}
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const wxAny LSQConnection::GetReturnedValue(const unsigned int unused) const
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{
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sqlite3_int64 r = sqlite3_last_insert_rowid(m_conn);
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return wxAny((long) r);
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}
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void LSQConnection::InformSQMessage(const char * SQmsg) const
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{
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if (!SQmsg) return;
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wxString msg(SQmsg);
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if (msg.IsEmpty()) return;
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const LInformation inf(CNSQMC, msg);
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InformLibMessage(inf);
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}
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void LSQConnection::InformLibMessage(const LInformation& msg) const
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{
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for (int i = 0; i < evtHandlers.GetCount(); i++)
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{
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void * p = evtHandlers.Item(i);
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LConnectionEvent * evh = static_cast<LConnectionEvent*> (p);
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if (evh != NULL) evh->Inform(this, msg);
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}
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}
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#endif |