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00032 #pragma once
00033
00034 #include "api_database.h"
00035
00036 class CL_DateTime;
00037 class CL_DataBuffer;
00038
00042 class CL_API_DATABASE CL_DBReaderProvider
00043 {
00046 public:
00047 virtual ~CL_DBReaderProvider() { return; }
00049
00052 public:
00054 virtual int get_column_count() const = 0;
00055
00057 virtual CL_String get_column_name(int index) const = 0;
00058
00060 virtual int get_name_index(const CL_StringRef &name) const = 0;
00061
00063 virtual CL_String get_column_string(int index) const = 0;
00064
00066 virtual bool get_column_bool(int index) const = 0;
00067
00069 virtual int get_column_int(int index) const = 0;
00070
00072 virtual double get_column_double(int index) const = 0;
00073
00075 virtual CL_DateTime get_column_datetime(int index) const = 0;
00076
00078 virtual CL_DataBuffer get_column_binary(int index) const = 0;
00080
00083 public:
00086 virtual bool retrieve_row() = 0;
00087
00089 virtual void close() = 0;
00091
00094 private:
00096 };
00097