OmniSciDB  2e3a973ef4
ParquetDateInSecondsEncoder.h
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1 /*
2  * Copyright 2020 OmniSci, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
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8  * http://www.apache.org/licenses/LICENSE-2.0
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10  * Unless required by applicable law or agreed to in writing, software
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13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include "ParquetInPlaceEncoder.h"
20 
21 namespace foreign_storage {
22 
23 class ParquetDateInSecondsEncoder : public TypedParquetInPlaceEncoder<int64_t, int32_t> {
24  public:
26  const ColumnDescriptor* column_desciptor,
27  const parquet::ColumnDescriptor* parquet_column_descriptor)
28  : TypedParquetInPlaceEncoder<int64_t, int32_t>(buffer,
29  column_desciptor,
30  parquet_column_descriptor) {
31  CHECK(parquet_column_descriptor->logical_type()->is_date());
32  }
33 
34  void encodeAndCopy(const int8_t* parquet_data_bytes,
35  int8_t* omnisci_data_bytes) override {
36  const auto& parquet_data_value =
37  reinterpret_cast<const int32_t*>(parquet_data_bytes)[0];
38  auto& omnisci_data_value = reinterpret_cast<int64_t*>(omnisci_data_bytes)[0];
39  omnisci_data_value = parquet_data_value * kSecsPerDay;
40  }
41 };
42 
43 } // namespace foreign_storage
static constexpr int64_t kSecsPerDay
void encodeAndCopy(const int8_t *parquet_data_bytes, int8_t *omnisci_data_bytes) override
An AbstractBuffer is a unit of data management for a data manager.
specifies the content in-memory of a row in the column metadata table
#define CHECK(condition)
Definition: Logger.h:197
ParquetDateInSecondsEncoder(Data_Namespace::AbstractBuffer *buffer, const ColumnDescriptor *column_desciptor, const parquet::ColumnDescriptor *parquet_column_descriptor)