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54 virtual int get_column_count()
const = 0;
57 virtual CL_String get_column_name(
int index)
const = 0;
60 virtual int get_name_index(
const CL_StringRef &name)
const = 0;
63 virtual CL_String get_column_string(
int index)
const = 0;
66 virtual bool get_column_bool(
int index)
const = 0;
69 virtual int get_column_int(
int index)
const = 0;
72 virtual double get_column_double(
int index)
const = 0;
75 virtual CL_DateTime get_column_datetime(
int index)
const = 0;
86 virtual bool retrieve_row() = 0;
89 virtual void close() = 0;