| // 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. |
| |
| |
| #ifndef IMPALA_EXPRS_DECIMAL_FUNCTIONS_H |
| #define IMPALA_EXPRS_DECIMAL_FUNCTIONS_H |
| |
| #include "exprs/decimal-operators.h" |
| #include "udf/udf.h" |
| |
| namespace impala { |
| |
| using impala_udf::FunctionContext; |
| using impala_udf::TinyIntVal; |
| using impala_udf::SmallIntVal; |
| using impala_udf::IntVal; |
| using impala_udf::BigIntVal; |
| using impala_udf::DecimalVal; |
| |
| class Expr; |
| class TupleRow; |
| |
| class DecimalFunctions { |
| public: |
| static IntVal Precision(FunctionContext* context, const DecimalVal& val); |
| static IntVal Scale(FunctionContext* context, const DecimalVal& val); |
| |
| static DecimalVal Abs(FunctionContext* context, const DecimalVal& val); |
| static DecimalVal Ceil(FunctionContext* context, const DecimalVal& val); |
| static DecimalVal Floor(FunctionContext* context, const DecimalVal& val); |
| |
| static DecimalVal Round(FunctionContext* context, const DecimalVal& val); |
| |
| static DecimalVal RoundTo( |
| FunctionContext* context, const DecimalVal& val, const SmallIntVal& scale); |
| static DecimalVal RoundTo( |
| FunctionContext* context, const DecimalVal& val, const TinyIntVal& scale); |
| static DecimalVal RoundTo( |
| FunctionContext* context, const DecimalVal& val, const IntVal& scale); |
| static DecimalVal RoundTo( |
| FunctionContext* context, const DecimalVal& val, const BigIntVal& scale); |
| |
| static DecimalVal Truncate(FunctionContext* context, const DecimalVal& val); |
| |
| static DecimalVal TruncateTo( |
| FunctionContext* context, const DecimalVal& val, const SmallIntVal& scale); |
| static DecimalVal TruncateTo( |
| FunctionContext* context, const DecimalVal& val, const TinyIntVal& scale); |
| static DecimalVal TruncateTo( |
| FunctionContext* context, const DecimalVal& val, const IntVal& scale); |
| static DecimalVal TruncateTo( |
| FunctionContext* context, const DecimalVal& val, const BigIntVal& scale); |
| |
| private: |
| /// Implementation of RoundTo. |
| static DecimalVal RoundTo(FunctionContext* context, const DecimalVal& val, |
| int scale, DecimalOperators::DecimalRoundOp op); |
| }; |
| |
| } |
| |
| #endif |