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// ****************************************************************************
// copyright (c) 2000-2005 Horst Knorr <hk_classes@knoda.org>
// This file is part of the hk_sqliteclasses library.
// This file may be distributed and/or modified under the terms of the
// GNU Library Public License version 2 as published by the Free Software
// Foundation and appearing in the file COPYING included in the
// packaging of this file.
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// ****************************************************************************
#include <sqlite.h>
#include "hk_sqlitedatabase.h"
#include "hk_sqliteconnection.h"
#include "hk_sqlitetable.h"
#include "hk_sqliteresultquery.h"
#include "hk_sqliteactionquery.h"
#include "hk_sqliteview.h"
hk_sqlitedatabase::hk_sqlitedatabase(hk_sqliteconnection* c):hk_database(c)
{
#ifdef HK_DEBUG
hkdebug("hk_sqlitedatabase::hk_sqlitedatabase");
#endif
p_sqliteconnection=c;
p_sqlitehandler=NULL;
}
hk_sqlitedatabase::~hk_sqlitedatabase(void)
{
#ifdef HK_DEBUG
hkdebug("hk_sqlitedatabase::~hk_sqlitedatabase");
#endif
if (p_sqlitehandler)
{
sqlite_close(p_sqlitehandler);
p_sqlitehandler=0;
}
}
hk_sqliteconnection* hk_sqlitedatabase::connection(void)
{
return p_sqliteconnection;
}
void hk_sqlitedatabase::driver_specific_tablelist(void)
{
#ifdef HK_DEBUG
hkdebug("hk_sqlitedatabase::driver_specific_tablelist");
#endif
p_tablelist.erase(p_tablelist.begin(),p_tablelist.end());
hk_datasource* ds=driver_specific_new_resultquery(NULL);
ds->set_sql("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name");
ds->enable();
hk_column* col=ds->column_by_name("name");
if (!col)
{
// show_warningmessage("Bug: hk_sqlitedatabase::driver_specific_tablelist could not find systemcolumn");
delete ds;
return;
}
unsigned int z=0;
while ( (z <ds->max_rows() ) )
{
p_tablelist.insert(p_tablelist.end(),col->asstring());
ds->goto_next();
++z;
}
delete ds;
}
void hk_sqlitedatabase::driver_specific_viewlist(void)
{
#ifdef HK_DEBUG
hkdebug("hk_sqlitedatabase::driver_specific_viewlist");
#endif
p_viewlist.erase(p_viewlist.begin(),p_viewlist.end());
hk_datasource* ds=driver_specific_new_resultquery(NULL);
ds->set_sql("SELECT name FROM sqlite_master WHERE type='view' ORDER BY name");
ds->enable();
hk_column* col=ds->column_by_name("name");
if (!col)
{
//show_warningmessage("Bug: hk_sqlitedatabase::driver_specific_viewlist could not find systemcolumn");
delete ds;
return;
}
unsigned int z=0;
while ( (z <ds->max_rows() ) )
{
p_viewlist.insert(p_viewlist.end(),col->asstring());
ds->goto_next();
++z;
}
delete ds;
}
hk_datasource* hk_sqlitedatabase::driver_specific_new_table(hk_presentation* p)
{
return new hk_sqlitetable(this,p);
}
hk_datasource* hk_sqlitedatabase::driver_specific_new_resultquery(hk_presentation* p)
{
return new hk_sqliteresultquery(this,p);
}
hk_actionquery* hk_sqlitedatabase::driver_specific_new_actionquery(void)
{
return new hk_sqliteactionquery(this);
}
bool hk_sqlitedatabase::driver_specific_select_db(void)
{
#ifdef HK_DEBUG
hkdebug("hk_sqlitedatabase::driver_specific_select_db");
#endif
vector<hk_string>* l=p_connection->dblist();
bool result= find(l->begin(),l->end(),name())!=l->end();
if (result||p_url.directory().size()>0)
{
char* errormsg=0;
hk_string n=p_url.directory().size()>0?p_url.url():p_sqliteconnection->databasepath()+"/"+name()+".hk_sqlite";
if (p_sqlitehandler)
{
sqlite_close(p_sqlitehandler);
p_sqlitehandler=0;
}
p_sqlitehandler=sqlite_open(n.c_str(),0,&errormsg);
if (!p_sqlitehandler && errormsg)
{
p_sqliteconnection->servermessage(errormsg);
sqlite_freemem(errormsg);
errormsg=0;
show_warningmessage(hk_translate("Driver error!\n")+hk_translate("Servermessage: ")+connection()->last_servermessage());
return false;
}
}
return true;
}
bool hk_sqlitedatabase::driver_specific_rename_table(const hk_string& oldname,const hk_string& newname)
{
/* hk_sqliteactionquery* query=new hk_sqliteactionquery(this);
hk_string sql="ALTER TABLE "+query->identifierdelimiter()+oldname+query->identifierdelimiter()+" RENAME TO "+query->identifierdelimiter()+newname+query->identifierdelimiter();
query->set_sql(sql.c_str(),sql.size());
bool res=query->execute();
delete query;
return res;
*/
return false;
}
hk_datasource* hk_sqlitedatabase::driver_specific_new_view(hk_presentation* p)
{
hk_sqliteview *x;
x = new hk_sqliteview(this , p);
return x ;
}
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