WIP: remove the old database abstraction layer

remove such classes:
- DbBase
- DbConn
- DbTextStream
- Db

while here:
- remove: TextStream, SLog, TexTextStream
This commit is contained in:
2024-06-22 18:03:54 +02:00
parent 5d457f3d4b
commit 6aa100f12c
138 changed files with 6658 additions and 12402 deletions

View File

@@ -5,7 +5,7 @@
*/
/*
* Copyright (c) 2010-2014, Tomasz Sowa
* Copyright (c) 2010-2024, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -33,257 +33,114 @@
*/
#include "tdb.h"
#include "core/log.h"
namespace Winix
{
namespace Ticket
namespace Winix::Ticket
{
bool TDb::IsTicket(long file_id)
{
PGresult * r = 0;
bool is = false;
try
{
query.Clear();
query << R("select count(*) from plugins.ticket "
"where ticket.file_id=") << file_id << R(";");
r = AssertQuery(query);
AssertResult(r, PGRES_TUPLES_OK);
morm::Finder<TicketParam> finder(model_connector);
if( Rows(r)==1 && Cols(r)==1 )
is = AssertValueInt(r, 0, 0) != 0;
}
catch(const Error &)
{
}
ClearResult(r);
// it would be better to have a SelectHelper in winix models
// so we could use a 'select count(*)'
TicketParam ticket_param = finder.select().where().eq(L"file_id", file_id).raw("LIMIT 1").get();
return is;
return ticket_param.found();
}
void TDb::SetTicketColumns(PGresult * r)
void TDb::GetTicket(long file_id, Ticket & ticket)
{
cfileid = AssertColumn(r, "file_id");
cparam = AssertColumn(r, "param");
cintv = AssertColumn(r, "intv");
cdecv = AssertColumn(r, "decv");
}
morm::Finder<TicketParam> finder(model_connector);
void TDb::ReadTicketPar(PGresult * r, Ticket::TicketParam & par, int row)
{
par.Clear();
par.param = AssertValueInt(r, row, cparam);
par.intv = AssertValueLong(r, row, cintv);
AssertValueWide(r, row, cdecv, par.decv); // !! temporarily
}
Error TDb::GetTicket(long file_id, Ticket & ticket)
{
PGresult * r = 0;
Error status = WINIX_ERR_OK;
ticket.Clear();
try
{
// they should be sorted by param (they are used in a binary search later)
query.Clear();
query << R("select file_id, param, intv, decv from plugins.ticket "
"where ticket.file_id=") << file_id << R(" order by param asc;");
r = AssertQuery(query);
AssertResult(r, PGRES_TUPLES_OK);
SetTicketColumns(r);
int rows = Rows(r);
ticket.file_id = file_id;
if( rows == 0 )
throw Error(WINIX_ERR_NO_TICKET); // !! do we need this kind or error?
if( ticket.par_tab.capacity() < ticket.par_tab.size() + rows )
ticket.par_tab.reserve(ticket.par_tab.size() + rows);
for(int i=0 ; i<rows ; ++i)
{
ReadTicketPar(r, tic_par, i);
ticket.par_tab.push_back(tic_par);
}
}
catch(const Error & e)
{
status = e;
}
ClearResult(r);
return status;
ticket.file_id = file_id;
ticket.par_tab = finder.select().where().eq(L"file_id", file_id).get_vector();
}
Error TDb::GetTickets(const std::vector<long> & file_id_tab, std::vector<Ticket> & ticket_tab, bool clear_tab)
void TDb::GetTickets(const std::vector<long> & file_id_tab, std::vector<Ticket> & ticket_tab, bool clear_tab)
{
PGresult * r = 0;
Error status = WINIX_ERR_OK;
if( clear_tab )
ticket_tab.clear();
if( file_id_tab.empty() )
return status;
try
if( !file_id_tab.empty() )
{
// ticket_tab must be sorted by file_id (they are used in a binary search later)
// and items in a ticket should be sorted by param (they are used in a binary search later too)
query.Clear();
query << R("select file_id, param, intv, decv from plugins.ticket "
"where ticket.file_id in ") << file_id_tab << R(" order by file_id, param;");
morm::Finder<TicketParam> finder(model_connector);
std::vector<TicketParam> tmp;
finder.select().where().in(L"file_id", file_id_tab).raw("ORDER BY file_id, param").get_vector(tmp);
r = AssertQuery(query);
AssertResult(r, PGRES_TUPLES_OK);
SetTicketColumns(r);
int rows = Rows(r);
long last_file_id = -1;
empty_ticket.Clear();
for(int i=0 ; i<rows ; ++i)
for(size_t i=0 ; i < tmp.size() ; ++i)
{
long file_id = AssertValueLong(r, i, cfileid);
if( i==0 || last_file_id != file_id )
if( i==0 || last_file_id != tmp[i].file_id )
{
ticket_tab.push_back(empty_ticket);
ticket_tab.back().file_id = file_id;
last_file_id = file_id;
ticket_tab.back().file_id = tmp[i].file_id;
last_file_id = tmp[i].file_id;
}
ReadTicketPar(r, tic_par, i);
ticket_tab.back().par_tab.push_back(tic_par);
ticket_tab.back().par_tab.push_back(tmp[i]);
}
}
catch(const Error & e)
{
status = e;
}
ClearResult(r);
return status;
}
Error TDb::AddTicket(const Ticket & ticket)
bool TDb::AddTicket(Ticket & ticket)
{
PGresult * r = 0;
Error status = WINIX_ERR_OK;
try
bool status = true;
for(TicketParam & ticket_param : ticket.par_tab)
{
for(size_t i=0 ; i<ticket.par_tab.size() ; ++i)
if( !ticket_param.insert() )
status = false;
}
return status;
}
bool TDb::RemoveAddTicket(Ticket & ticket)
{
morm::Transaction transaction(model_connector);
bool ok = true;
ok = ok && RemoveTicket(ticket.file_id);
ok = ok && AddTicket(ticket);
transaction.set_successful(ok);
if( !transaction.finish() )
ok = false;
return ok;
}
bool TDb::RemoveTicket(long file_id)
{
bool status = false;
if( model_connector )
{
morm::DbConnector * db_connector = model_connector->get_db_connector();
if( db_connector )
{
query.Clear();
query << R("insert into plugins.ticket (file_id, param, intv) values (")
<< ticket.file_id
<< ticket.par_tab[i].param
<< ticket.par_tab[i].intv
//<< ticket.par_tab[i].decv
<< R(");");
r = AssertQuery(query);
AssertResult(r, PGRES_COMMAND_OK);
pt::TextStream sql;
sql << "DELETE FROM plugins.ticket WHERE file_id=" << file_id;
status = db_connector->query(sql);
}
}
catch(const Error & e)
{
status = e;
}
ClearResult(r);
return status;
return status;
}
Error TDb::RemoveAddTicket(const Ticket & ticket)
{
Error status = BeginTrans();
if( status != WINIX_ERR_OK )
return status;
status = RemoveTicket(ticket.file_id);
if( status == WINIX_ERR_OK )
status = AddTicket(ticket);
if( status == WINIX_ERR_OK )
status = CommitTrans();
else
RollbackTrans();
return status;
}
Error TDb::RemoveTicket(long file_id)
{
PGresult * r = 0;
Error status = WINIX_ERR_OK;
try
{
query.Clear();
query << R("delete from plugins.ticket where file_id=") << file_id << R(";");
r = AssertQuery(query);
AssertResult(r, PGRES_COMMAND_OK);
long rows = AffectedRows(r);
if( rows > 0 )
log << log2 << "TicketDb: deleted " << rows << " rows from plugins.ticket" << logend;
}
catch(const Error & e)
{
status = e;
}
ClearResult(r);
return status;
}
} // namespace
} // namespace Winix