| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #include <boost/static_assert.hpp> |
| |
| #include "common/hdfs.h" |
| #include "runtime/collection-value.h" |
| #include "runtime/date-value.h" |
| #include "runtime/string-value.h" |
| #include "runtime/timestamp-value.h" |
| #include "udf/udf.h" |
| |
| namespace impala { |
| // This class is unused. It contains static (compile time) asserts. |
| // This is useful to validate struct sizes and other similar things |
| // at compile time. If these asserts fail, the compile will fail. |
| class UnusedClass { |
| private: |
| BOOST_STATIC_ASSERT(sizeof(StringValue) == 12); |
| BOOST_STATIC_ASSERT(offsetof(StringValue, len) == 8); |
| BOOST_STATIC_ASSERT(sizeof(TimestampValue) == 16); |
| BOOST_STATIC_ASSERT(offsetof(TimestampValue, date_) == 8); |
| BOOST_STATIC_ASSERT(sizeof(boost::posix_time::time_duration) == 8); |
| BOOST_STATIC_ASSERT(sizeof(boost::gregorian::date) == 4); |
| BOOST_STATIC_ASSERT(sizeof(CollectionValue) == 12); |
| BOOST_STATIC_ASSERT(sizeof(hdfsFS) == sizeof(void*)); |
| BOOST_STATIC_ASSERT(sizeof(hdfsFile) == sizeof(void*)); |
| BOOST_STATIC_ASSERT(sizeof(DateValue) == 4); |
| |
| // If the memory layout of any of these types changes, it will be necessary to change |
| // LlvmCodeGen::GetUdfValType(), and we may also run into calling convention problems |
| // with codegen'd calls to UDFs. |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::BooleanVal) == 2); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::TinyIntVal) == 2); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::SmallIntVal) == 4); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::IntVal) == 8); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::BigIntVal) == 16); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::FloatVal) == 8); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::DoubleVal) == 16); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::StringVal) == 16); |
| BOOST_STATIC_ASSERT(sizeof(impala_udf::DateVal) == 8); |
| }; |
| |
| } |