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Kent Yao ed0c33fdd4 [SPARK-30026][SQL] Whitespaces can be identified as delimiters in interval string 
### What changes were proposed in this pull request?

We are now able to handle whitespaces for integral and fractional types, and the leading or trailing whitespaces for interval, date, and timestamps. But the current interval parser is not able to identify whitespaces as separates as PostgreSQL can do.

This PR makes the whitespaces handling be consistent for nterval values.
Typed interval literal, multi-unit representation, and casting from strings are all supported.

```sql
postgres=# select interval E'1 \t day';
 interval
----------
 1 day
(1 row)

postgres=# select interval E'1\t' day;
 interval
----------
 1 day
(1 row)
```

### Why are the changes needed?

Whitespace handling should be consistent for interval value, and across different types in Spark.
PostgreSQL feature parity.

### Does this PR introduce any user-facing change?
Yes, the interval string of multi-units values which separated by whitespaces can be valid now.

### How was this patch tested?
add ut.

Closes #26662 from yaooqinn/SPARK-30026.

Authored-by: Kent Yao <yaooqinn@hotmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2019-11-27 01:20:38 +08:00
..
AggregateBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
AggregateBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
BloomFilterBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
BloomFilterBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
BuiltInDataSourceWriteBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
BuiltInDataSourceWriteBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ColumnarBatchBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ColumnarBatchBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
CompressionSchemeBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
CompressionSchemeBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
CSVBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
CSVBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
DatasetBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
DatasetBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
DataSourceReadBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
DataSourceReadBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
DateTimeBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
DateTimeBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ExternalAppendOnlyUnsafeRowArrayBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ExternalAppendOnlyUnsafeRowArrayBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ExtractBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ExtractBenchmark-results.txt [SPARK-29518][SQL][TEST] Benchmark date_part for INTERVAL 2019-10-22 10:47:54 +09:00
FilterPushdownBenchmark-results.txt [SPARK-25438][SQL][TEST] Fix FilterPushdownBenchmark to use the same memory assumption 2018-09-15 17:48:39 -07:00
HashedRelationMetricsBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
HashedRelationMetricsBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
InExpressionBenchmark-results.txt [SPARK-26205][SQL] Optimize InSet Expression for bytes, shorts, ints, dates 2019-03-04 15:40:04 -08:00
IntervalBenchmark-jdk11-results.txt [SPARK-29822][SQL] Fix cast error when there are white spaces between signs and values 2019-11-11 21:53:33 +08:00
IntervalBenchmark-results.txt [SPARK-30026][SQL] Whitespaces can be identified as delimiters in interval string 2019-11-27 01:20:38 +08:00
JoinBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
JoinBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
JSONBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
JsonBenchmark-results.txt [MINOR][TESTS] Rename JSONBenchmark to JsonBenchmark 2019-10-03 09:02:06 -07:00
MakeDateTimeBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
MakeDateTimeBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
MetricsAggregationBenchmark-jdk11-results.txt [SPARK-29562][SQL] Speed up and slim down metric aggregation in SQL listener 2019-10-24 22:18:10 -07:00
MetricsAggregationBenchmark-results.txt [SPARK-29562][SQL] Speed up and slim down metric aggregation in SQL listener 2019-10-24 22:18:10 -07:00
MiscBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
MiscBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
OrcNestedSchemaPruningBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
OrcNestedSchemaPruningBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
OrcV2NestedSchemaPruningBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
OrcV2NestedSchemaPruningBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ParquetNestedSchemaPruningBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
ParquetNestedSchemaPruningBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
PrimitiveArrayBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
PrimitiveArrayBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
RangeBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
RangeBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
SortBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
SortBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
TPCDSQueryBenchmark-results.txt [SPARK-25668][SQL][TESTS] Refactor TPCDSQueryBenchmark to use main method 2019-10-08 13:33:42 +09:00
UDFBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
UDFBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
UnsafeArrayDataBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
UnsafeArrayDataBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
WideSchemaBenchmark-results.txt [SPARK-25492][TEST] Refactor WideSchemaBenchmark to use main method 2018-10-20 17:31:13 -07:00
WideTableBenchmark-jdk11-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00
WideTableBenchmark-results.txt [SPARK-29320][TESTS] Compare sql/core module in JDK8/11 (Part 1) 2019-10-03 08:58:25 -07:00