Golang C.SQLUSMALLINT函數代碼示例

本文整理匯總了Golang中C.SQLUSMALLINT函數的典型用法代碼示例。如果您正苦於以下問題：Golang SQLUSMALLINT函數的具體用法？Golang SQLUSMALLINT怎麽用？Golang SQLUSMALLINT使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了SQLUSMALLINT函數的11個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: FieldMetadata

func (stmt *Statement) FieldMetadata(col int) (*Field, *ODBCError) {
	var BufferLength C.SQLSMALLINT = INFO_BUFFER_LEN
	var NameLength C.SQLSMALLINT
	var DataType C.SQLSMALLINT
	var ColumnSize C.SQLULEN
	var DecimalDigits C.SQLSMALLINT
	var Nullable C.SQLSMALLINT
	ColumnName := make([]byte, INFO_BUFFER_LEN)
	ret := C.SQLDescribeCol(C.SQLHSTMT(stmt.handle),
		C.SQLUSMALLINT(col),
		(*C.SQLCHAR)(unsafe.Pointer(&ColumnName[0])),
		BufferLength,
		&NameLength,
		&DataType,
		&ColumnSize,
		&DecimalDigits,
		&Nullable)
	if !Success(ret) {
		err := FormatError(C.SQL_HANDLE_STMT, stmt.handle, int(ret))
		debugPrint("SQLDescribeCol Error", err)
		return nil, err
	}
	field := &Field{string(ColumnName[0:NameLength]), int(DataType), int(ColumnSize), int(DecimalDigits), int(Nullable)}
	return field, nil
}

開發者ID:bwheatley，項目名稱:go-odbc，代碼行數:25，代碼來源:odbc.go

示例2: GetParamType

func (stmt *Statement) GetParamType(index int) (int, int, int, int, *ODBCError) {
	var data_type, dec_ptr, null_ptr C.SQLSMALLINT
	var size_ptr C.SQLULEN
	ret := C.SQLDescribeParam(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(index), &data_type, &size_ptr, &dec_ptr, &null_ptr)
	if !Success(ret) {
		err := FormatError(C.SQL_HANDLE_STMT, stmt.handle)
		return -1, -1, -1, -1, err
	}
	return int(data_type), int(size_ptr), int(dec_ptr), int(null_ptr), nil
}

開發者ID:andybalholm，項目名稱:go-odbc，代碼行數:10，代碼來源:odbc.go

示例3: GetField

func (stmt *Statement) GetField(field_index int) (v interface{}, ftype int, flen int, err *ODBCError) {
	var field_type C.SQLINTEGER
	var field_len C.SQLINTEGER
	var ll C.SQLSMALLINT
	ret := C.SQLColAttribute(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(field_index+1), C.SQL_DESC_CONCISE_TYPE, C.SQLPOINTER(unsafe.Pointer(uintptr(0))), C.SQLSMALLINT(0), &ll, &field_type)
	if !Success(ret) {
		debugPrint("GetFiled type Error")
	}
	ret = C.SQLColAttribute(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(field_index+1), C.SQL_DESC_LENGTH, C.SQLPOINTER(unsafe.Pointer(uintptr(0))), C.SQLSMALLINT(0), &ll, &field_len)
	if !Success(ret) {
		debugPrint("GetFiled len Error")
	}
	var fl C.SQLLEN = C.SQLLEN(field_len)
	switch int(field_type) {
	case C.SQL_BIT, C.SQL_INTEGER, C.SQL_SMALLINT, C.SQL_TINYINT:
		var value C.HANDLE
		ret = C.SQLGetData(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(field_index+1), C.SQL_C_LONG, C.SQLPOINTER(unsafe.Pointer(&value)), 0, &fl)
		if fl == -1 {
			v = nil
		} else {
			v = value
		}
	case C.SQL_FLOAT, C.SQL_REAL:
		var value C.double
		ret = C.SQLGetData(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(field_index+1), C.SQL_C_DOUBLE, C.SQLPOINTER(unsafe.Pointer(&value)), 0, &fl)
		if fl == -1 {
			v = nil
		} else {
			v = value
		}
	case C.SQL_WCHAR, C.SQL_WVARCHAR, C.SQL_WLONGVARCHAR:
		value := make([]uint16, int(field_len)+8)
		ret = C.SQLGetData(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(field_index+1), C.SQL_C_WCHAR, C.SQLPOINTER(unsafe.Pointer(&value[0])), C.SQLINTEGER(int(field_len)+4), &fl)
		s := UTF16ToString(value)
		v = s
	default:
		value := make([]byte, int(fl)+2)
		ret = C.SQLGetData(C.SQLHSTMT(stmt.handle), C.SQLUSMALLINT(field_index+1), C.SQL_C_CHAR, C.SQLPOINTER(unsafe.Pointer(&value[0])), C.SQLINTEGER(int(field_len)+4), &fl)
		s := string(value[0:])
		v = s
		debugPrint("default type", value, fl, s)
	}
	if !Success(ret) {
		err = FormatError(C.SQL_HANDLE_STMT, stmt.handle, int(ret))
		debugPrint("GetFiled Data Error", err)
	}
	return v, int(field_type), int(fl), err
}

開發者ID:bwheatley，項目名稱:go-odbc，代碼行數:48，代碼來源:odbc.go