90 lines
2.2 KiB
C++
Executable File
90 lines
2.2 KiB
C++
Executable File
/*
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* This file is a part of Winix
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* and is not publicly distributed
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*
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* Copyright (c) 2010, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#ifndef headerfile_winix_db_dbbase
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#define headerfile_winix_db_dbbase
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#include "dbconn.h"
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#include "dbtextstream.h"
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#include <vector>
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#include <string>
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#include "core/error.h"
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class DbBase
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{
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public:
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DbBase();
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void SetConn(DbConn * conn);
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void SetConn(DbConn & conn);
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DbConn * GetConn();
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void LogQueries(bool log_q);
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PGresult * AssertQuery(const char * query);
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PGresult * AssertQuery(const std::wstring & query);
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PGresult * AssertQuery(const DbTextStream & query);
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void AssertResult(PGresult * r, ExecStatusType t);
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static int AssertColumn(PGresult * r, const char * column_name);
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static const char * AssertValue(PGresult * r, int row, int col);
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static const std::wstring & AssertValueWide(PGresult * r, int row, int col); // warning: this method uses a static buffer
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static void AssertValueWide(PGresult * r, int row, int col, std::wstring & result);
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static long AssertValueLong(PGresult * r, int row, int col);
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static int AssertValueInt(PGresult * r, int row, int col);
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static bool AssertValueBool(PGresult * r, int row, int col);
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static unsigned long AssertValueULong(PGresult * r, int row, int col);
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static unsigned int AssertValueUInt(PGresult * r, int row, int col);
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static tm AssertValueTm(PGresult * r, int row, int col);
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void ClearResult(PGresult * r);
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long AssertCurrval(const char * table);
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bool IsNull(PGresult * r, int row, int col);
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int Rows(PGresult * r);
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int Cols(PGresult * r);
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long AffectedRows(PGresult * r);
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static tm ConvertTime(const char * str);
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static const char * ConvertTime(const tm & t); // warning: it uses its own static buffer
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void CreateIdList(const std::vector<long> & id_tab, std::wstring & list, bool add_parentheses = true);
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Error DoCommand(const char * command);
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Error BeginTrans();
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Error RollbackTrans();
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Error CommitTrans();
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protected:
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// a helper method for escaping strings
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template<class RawType>
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DbTextStream::RawText<RawType> R(const RawType & par)
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{
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return DbTextStream::RawText<RawType>(par);
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}
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DbConn * db_conn;
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bool log_queries;
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private:
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DbTextStream bquery;
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};
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#endif
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