Add bool type

cppdb/backend.h

@@ -186,12 +186,16 @@ namespace cppdb {
 			///
 			virtual bool fetch(int col,std::tm &v) = 0;
 			///
+			virtual bool fetch(int col,bool &v) = 0;
+			///
 			/// Check if the column \a col is NULL starting from 0, should throw invalid_column() if the index out of range
 			///
 			virtual bool is_null(int col) = 0;
 			///
 			/// Return the number of columns in the result. Should be valid even without calling next() first time.
 			///
+			virtual int data_type(int col) = 0;
+			///
 			virtual int cols() = 0;
 			///
 			/// Return the number of columns by its name. Return -1 if the name is invalid
@@ -276,12 +280,15 @@ namespace cppdb {
 			///
 			virtual void bind(int col,std::istream &) = 0;
 			///
+			virtual void bind(int col,bool) = 0;
+			///
 			/// Bind an integer value to column \a col (starting from 1).
 			///
 			/// Should throw invalid_placeholder() if the value of col is out of range. May
 			/// ignore if it is impossible to know whether the placeholder exists without special
 			/// support from back-end.
 			///
+			///
 			virtual void bind(int col,int v) = 0;
 			///
 			/// Bind an integer value to column \a col (starting from 1).

cppdb/frontend.h

@@ -263,6 +263,15 @@ namespace cppdb {
 		///
 		bool is_null(std::string const &n);
 
+		///
+		/// Return data type (oid) of column number \a col (starting from 0)
+		///
+		int data_type(int col);
+		///
+		/// Return data type (oid) of column named \a n
+		///
+		int data_type(std::string const &n);
+
 		///
 		/// Clears the result, no further use of the result should be done until it is assigned again with a new statement result.
 		///
@@ -349,6 +358,9 @@ namespace cppdb {
 		/// If the data type is not blob, it may throw bad_value_cast()
 		///
 		bool fetch(int col,std::ostream &v);
+		///
+		///
+		bool fetch(int col,bool &v);
 
 		///
 		/// Fetch a value from column named \a n into \a v. Returns false
@@ -420,7 +432,9 @@ namespace cppdb {
 		/// the \a n value is invalid throws invalid_column exception
 		///
 		bool fetch(std::string const &n,std::ostream &v);
-
+		///
+		///
+		bool fetch(std::string const &n,bool &v);
 
 		///
 		/// Fetch a value from the next column in the row starting from the first one. Returns false
@@ -481,6 +495,9 @@ namespace cppdb {
 		/// automatically.
 		///
 		bool fetch(std::ostream &v);
+		///
+		///
+		bool fetch(bool &v);
 
 		///
 		/// Get a value of type \a T from column named \a name. If the column
@@ -723,6 +740,9 @@ namespace cppdb {
 		///
 		statement &bind(std::istream &v);
 		///
+		///
+		statement &bind(bool v);
+		///
 		/// Bind a NULL value  to the next placeholder marked with '?' marker in the query.
 		///
 		/// If number of calls is higher then the number placeholders is the statement it
@@ -814,6 +834,9 @@ namespace cppdb {
 		///
 		void bind(int col,std::istream &v);
 		///
+		///
+		void bind(int col,bool v);
+		///
 		/// Bind a NULL value to the placeholder number \a col (starting from 1) marked with '?' marker in the query.
 		///
 		/// If \a cols is invalid (less then 1 or higher then the number of the placeholders is the statement) it
@@ -895,6 +918,9 @@ namespace cppdb {
 		///
 		statement &operator<<(std::istream &v);
 		///
+		///
+		statement &operator<<(bool v);
+		///
 		/// Apply manipulator on the statement, same as manipulator(*this).
 		///
 		statement &operator<<(void (*manipulator)(statement &st));