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