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GDV-21: Support date/time functions and datatypes (apache#45)
Support date/time types in Java Add cpp/Java tests for date/time types
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| // Copyright (C) 2017-2018 Dremio Corporation | ||
| // | ||
| // Licensed 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. | ||
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| #include <time.h> | ||
| #include <math.h> | ||
| #include <gtest/gtest.h> | ||
| #include "arrow/memory_pool.h" | ||
| #include "integ/test_util.h" | ||
| #include "gandiva/projector.h" | ||
| #include "gandiva/tree_expr_builder.h" | ||
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| namespace gandiva { | ||
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| using arrow::int32; | ||
| using arrow::int64; | ||
| using arrow::float32; | ||
| using arrow::boolean; | ||
| using arrow::date64; | ||
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| class TestProjector : public ::testing::Test { | ||
| public: | ||
| void SetUp() { pool_ = arrow::default_memory_pool(); } | ||
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| protected: | ||
| arrow::MemoryPool* pool_; | ||
| }; | ||
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| int64_t MillisSince(time_t base_line, | ||
| int32_t yy, int32_t mm, int32_t dd, | ||
| int32_t hr, int32_t min, int32_t sec) { | ||
| struct tm given_ts = {0}; | ||
| given_ts.tm_year = (yy - 1900); | ||
| given_ts.tm_mon = (mm - 1); | ||
| given_ts.tm_mday = dd; | ||
| given_ts.tm_hour = hr; | ||
| given_ts.tm_min = min; | ||
| given_ts.tm_sec = sec; | ||
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| return (lround(difftime(mktime(&given_ts), base_line)) * 1000); | ||
| } | ||
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| TEST_F(TestProjector, TestTime) { | ||
| auto field0 = field("f0", date64()); | ||
| auto field1 = field("f1", time32(arrow::TimeUnit::MILLI)); | ||
| auto field2 = field("f2", timestamp(arrow::TimeUnit::MILLI)); | ||
| auto schema = arrow::schema({field0, field2}); | ||
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| // output fields | ||
| auto field_year = field("yy", int64()); | ||
| auto field_month = field("mm", int64()); | ||
| auto field_day = field("dd", int64()); | ||
| auto field_hour = field("hh", int64()); | ||
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| // extract year and month from date | ||
| auto date2year_expr = TreeExprBuilder::MakeExpression( | ||
| "extractYear", | ||
| {field0}, | ||
| field_year); | ||
| auto date2month_expr = TreeExprBuilder::MakeExpression( | ||
| "extractMonth", | ||
| {field0}, | ||
| field_month); | ||
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| // extract day and hour from time32 | ||
| auto time2day_expr = TreeExprBuilder::MakeExpression( | ||
| "extractDay", | ||
| {field1}, | ||
| field_day); | ||
| auto time2hour_expr = TreeExprBuilder::MakeExpression( | ||
| "extractHour", | ||
| {field1}, | ||
| field_hour); | ||
|
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| // extract month and day from timestamp | ||
| auto ts2month_expr = TreeExprBuilder::MakeExpression | ||
| ("extractMonth", | ||
| {field2}, | ||
| field_month); | ||
| auto ts2day_expr = TreeExprBuilder::MakeExpression("extractDay", {field2}, field_day); | ||
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| std::shared_ptr<Projector> projector; | ||
| Status status = Projector::Make( | ||
| schema, | ||
| {date2year_expr, date2month_expr, ts2month_expr, ts2day_expr}, | ||
| pool_, | ||
| &projector); | ||
| ASSERT_TRUE(status.ok()); | ||
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| struct tm y1970 = {0}; | ||
| y1970.tm_year = 70; y1970.tm_mon = 0; y1970.tm_mday = 1; | ||
| y1970.tm_hour = 0; y1970.tm_min = 0; y1970.tm_sec = 0; | ||
| time_t epoch = mktime(&y1970); | ||
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| // Create a row-batch with some sample data | ||
| int num_records = 4; | ||
| auto validity = { true, true, true, true }; | ||
| std::vector<int64_t> field0_data = { | ||
| MillisSince(epoch, 2000, 1, 1, 5, 0, 0), | ||
| MillisSince(epoch, 1999, 12, 31, 5, 0, 0), | ||
| MillisSince(epoch, 2015, 6, 30, 20, 0, 0), | ||
| MillisSince(epoch, 2015, 7, 1, 20, 0, 0) | ||
| }; | ||
| auto array0 = MakeArrowTypeArray<arrow::Date64Type, int64_t>( | ||
| date64(), | ||
| field0_data, validity); | ||
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| std::vector<int64_t> field1_data = { | ||
| MillisSince(epoch, 2000, 1, 1, 5, 0, 0), | ||
| MillisSince(epoch, 1999, 12, 31, 4, 0, 0), | ||
| MillisSince(epoch, 2015, 6, 30, 20, 0, 0), | ||
| MillisSince(epoch, 2015, 7, 3, 3, 0, 0) | ||
| }; | ||
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| auto array1 = MakeArrowTypeArray<arrow::Time32Type, int64_t>( | ||
| time32(arrow::TimeUnit::MILLI), | ||
| field1_data, | ||
| validity); | ||
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| std::vector<int64_t> field2_data = { | ||
| MillisSince(epoch, 1999, 12, 31, 5, 0, 0), | ||
| MillisSince(epoch, 2000, 1, 2, 5, 0, 0), | ||
| MillisSince(epoch, 2015, 7, 1, 1, 0, 0), | ||
| MillisSince(epoch, 2015, 6, 29, 23, 0, 0) | ||
| }; | ||
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| auto array2 = MakeArrowTypeArray<arrow::TimestampType, int64_t>( | ||
| arrow::timestamp(arrow::TimeUnit::MILLI), | ||
| field2_data, | ||
| validity); | ||
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| // expected output | ||
| // date 2 year and date 2 month | ||
| auto exp_yy_from_date = MakeArrowArrayInt64({ 2000, 1999, 2015, 2015 }, validity); | ||
| auto exp_mm_from_date = MakeArrowArrayInt64({ 1, 12, 6, 7 }, validity); | ||
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| // ts 2 month and ts 2 day | ||
| auto exp_mm_from_ts = MakeArrowArrayInt64({12, 1, 7, 6}, validity); | ||
| auto exp_dd_from_ts = MakeArrowArrayInt64({31, 2, 1, 29}, validity); | ||
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| // prepare input record batch | ||
| auto in_batch = arrow::RecordBatch::Make(schema, num_records, {array0, array2}); | ||
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| // Evaluate expression | ||
| arrow::ArrayVector outputs; | ||
| status = projector->Evaluate(*in_batch, &outputs); | ||
| EXPECT_TRUE(status.ok()); | ||
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| // Validate results | ||
| EXPECT_ARROW_ARRAY_EQUALS(exp_yy_from_date, outputs.at(0)); | ||
| EXPECT_ARROW_ARRAY_EQUALS(exp_mm_from_date, outputs.at(1)); | ||
| EXPECT_ARROW_ARRAY_EQUALS(exp_mm_from_ts, outputs.at(2)); | ||
| EXPECT_ARROW_ARRAY_EQUALS(exp_dd_from_ts, outputs.at(3)); | ||
| } | ||
|
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| } // namespace gandiva |
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