| Commit message (Collapse) | Author | Age | Files | Lines |
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Adding `()` to the definition of `distinct` in DataFrame allows distinct to be called with parentheses, which is consistent with `dropDuplicates`.
Author: Cheolsoo Park <cheolsoop@netflix.com>
Closes #7298 from piaozhexiu/SPARK-8908 and squashes the following commits:
7f0d923 [Cheolsoo Park] Add () to distinct definition in dataframe
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Currently, CTESubstitution only handles the case that WITH is on the top of the plan.
I think it SHOULD handle the case that WITH is child of CTAS.
This patch simply changes 'match' to 'transform' for recursive search of WITH in the plan.
Author: Keuntae Park <sirpkt@apache.org>
Closes #7180 from sirpkt/SPARK-8783 and squashes the following commits:
e4428f0 [Keuntae Park] Merge remote-tracking branch 'upstream/master' into CTASwithWITH
1671c77 [Keuntae Park] WITH clause can be inside CTAS
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Just a baby step towards making it more efficient.
Author: Reynold Xin <rxin@databricks.com>
Closes #7282 from rxin/SPARK-8888 and squashes the following commits:
3da51ae [Reynold Xin] [SPARK-8888][SQL] Use java.util.HashMap in DynamicPartitionWriterContainer.
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We need a new data type to represent time intervals. Because we can't determine how many days in a month, so we need 2 values for interval: a int `months`, a long `microseconds`.
The interval literal syntax looks like:
`interval 3 years -4 month 4 weeks 3 second`
Because we use number of 100ns as value of `TimestampType`, so it may not makes sense to support nano second unit.
Author: Wenchen Fan <cloud0fan@outlook.com>
Closes #7226 from cloud-fan/interval and squashes the following commits:
632062d [Wenchen Fan] address comments
ac348c3 [Wenchen Fan] use case class
0342d2e [Wenchen Fan] use array byte
df9256c [Wenchen Fan] fix style
fd6f18a [Wenchen Fan] address comments
1856af3 [Wenchen Fan] support interval type
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Author: Davies Liu <davies@databricks.com>
Closes #7272 from davies/fix_projection and squashes the following commits:
075ef76 [Davies Liu] fix codegen with BroadcastHashJion
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types used in Hive UDF
To make UDF developers understood, throw an exception when unsupported Map<K,V> types used in Hive UDF. This fix is the same with #7248.
Author: Takeshi YAMAMURO <linguin.m.s@gmail.com>
Closes #7257 from maropu/ThrowExceptionWhenMapUsed and squashes the following commits:
916099a [Takeshi YAMAMURO] Fix style errors
7886dcc [Takeshi YAMAMURO] Throw an exception when Map<> used in Hive UDF
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JIRA: https://issues.apache.org/jira/browse/SPARK-8785
Currently, the parquet schema merging (`ParquetRelation2.readSchema`) may spend much time to merge duplicate schema. We can select only non duplicate schema and merge them later.
Author: Liang-Chi Hsieh <viirya@gmail.com>
Author: Liang-Chi Hsieh <viirya@appier.com>
Closes #7182 from viirya/improve_parquet_merging and squashes the following commits:
5cf934f [Liang-Chi Hsieh] Refactor it to make it faster.
f3411ea [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into improve_parquet_merging
a63c3ff [Liang-Chi Hsieh] Improve Parquet schema merging.
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Remove the `OverrideFunctionRegistry` from the Spark SQL, as the subclasses of `FunctionRegistry` have their own way to the delegate to the right underlying `FunctionRegistry`.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #7260 from chenghao-intel/override and squashes the following commits:
164d093 [Cheng Hao] enable the function registry
2ca8459 [Cheng Hao] remove the OverrideFunctionRegistry
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As a baby step towards no megamorphic InternalRow.
Author: Reynold Xin <rxin@databricks.com>
Closes #7277 from rxin/remove-empty-row and squashes the following commits:
594100e [Reynold Xin] [SPARK-8879][SQL] Remove EmptyRow class.
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Author: Reynold Xin <rxin@databricks.com>
Closes #7273 from rxin/bitwise-unittest and squashes the following commits:
60c5667 [Reynold Xin] [SPARK-8878][SQL] Improve unit test coverage for bitwise expressions.
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of NullType columns
https://issues.apache.org/jira/browse/SPARK-8868
Author: Yin Huai <yhuai@databricks.com>
Closes #7262 from yhuai/SPARK-8868 and squashes the following commits:
cb58780 [Yin Huai] Andrew's comment.
e456857 [Yin Huai] Josh's comments.
5122e65 [Yin Huai] If types of all columns are NullTypes, do not use serializer2.
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Let UTF8String work with binary buffer. Before we have better idea on manage the lifecycle of UTF8String in Row, we still do the copy when calling `UnsafeRow.get()` for StringType.
cc rxin JoshRosen
Author: Davies Liu <davies@databricks.com>
Closes #7197 from davies/unsafe_string and squashes the following commits:
51b0ea0 [Davies Liu] fix test
50c1ebf [Davies Liu] remove optimization for upper/lower case
315d491 [Davies Liu] Merge branch 'master' of github.com:apache/spark into unsafe_string
93fce17 [Davies Liu] address comment
e9ff7ba [Davies Liu] clean up
67ec266 [Davies Liu] fix bug
7b74b1f [Davies Liu] fallback to String if local dependent
ab7857c [Davies Liu] address comments
7da92f5 [Davies Liu] handle local in toUpperCase/toLowerCase
59dbb23 [Davies Liu] revert python change
d1e0716 [Davies Liu] Merge branch 'master' of github.com:apache/spark into unsafe_string
002e35f [Davies Liu] rollback hashCode change
a87b7a8 [Davies Liu] improve toLowerCase and toUpperCase
76e794a [Davies Liu] fix test
8b2d5ce [Davies Liu] fix tests
fd3f0a6 [Davies Liu] bug fix
c4e9c88 [Davies Liu] Merge branch 'master' of github.com:apache/spark into unsafe_string
c45d921 [Davies Liu] address comments
175405f [Davies Liu] unsafe UTF8String
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The type alias was there because initially when I moved Row around, I didn't want to do massive changes to the expression code. But now it should be pretty easy to just remove it. One less concept to worry about.
Author: Reynold Xin <rxin@databricks.com>
Closes #7270 from rxin/internalrow and squashes the following commits:
72fc842 [Reynold Xin] [SPARK-8876][SQL] Remove InternalRow type alias in expressions package.
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JIRA: https://issues.apache.org/jira/browse/SPARK-8794
Currently `PrunedScan` works only when followed by project or filter operations. However, even if there is a `Sample` between these operations and `PrunedScan`, `PrunedScan` should work too.
Author: Liang-Chi Hsieh <viirya@appier.com>
Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #7228 from viirya/sample_prunedscan and squashes the following commits:
ede7cd8 [Liang-Chi Hsieh] Keep PrunedScanSuite untouched.
6f05d30 [Liang-Chi Hsieh] Move unit test to FilterPushdownSuite.
5f32473 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into sample_prunedscan
7e4ba76 [Liang-Chi Hsieh] Use Optimzier for push down projection and filter.
0686830 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into sample_prunedscan
df82785 [Liang-Chi Hsieh] Make PrunedScan work on Sample.
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to default behavior of nullable
We have `nullSafeCodeGen` to provide default code generation for binary and unary expression, and we can do the same thing for `eval`.
Author: Wenchen Fan <cloud0fan@outlook.com>
Closes #7157 from cloud-fan/refactor and squashes the following commits:
f3987c6 [Wenchen Fan] refactor Expression
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types used in Hive UDF
The current implementation can't handle List<> as a return type in Hive UDF and
throws meaningless Match Error.
We assume an UDF below;
public class UDFToListString extends UDF {
public List<String> evaluate(Object o)
{ return Arrays.asList("xxx", "yyy", "zzz"); }
}
An exception of scala.MatchError is thrown as follows when the UDF used;
scala.MatchError: interface java.util.List (of class java.lang.Class)
at org.apache.spark.sql.hive.HiveInspectors$class.javaClassToDataType(HiveInspectors.scala:174)
at org.apache.spark.sql.hive.HiveSimpleUdf.javaClassToDataType(hiveUdfs.scala:76)
at org.apache.spark.sql.hive.HiveSimpleUdf.dataType$lzycompute(hiveUdfs.scala:106)
at org.apache.spark.sql.hive.HiveSimpleUdf.dataType(hiveUdfs.scala:106)
at org.apache.spark.sql.catalyst.expressions.Alias.toAttribute(namedExpressions.scala:131)
at org.apache.spark.sql.catalyst.planning.PhysicalOperation$$anonfun$collectAliases$1.applyOrElse(patterns.scala:95)
at org.apache.spark.sql.catalyst.planning.PhysicalOperation$$anonfun$collectAliases$1.applyOrElse(patterns.scala:94)
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:33)
at scala.collection.TraversableLike$$anonfun$collect$1.apply(TraversableLike.scala:278)
...
To make udf developers more understood, we need to throw a more suitable exception.
Author: Takeshi YAMAMURO <linguin.m.s@gmail.com>
Closes #7248 from maropu/FixBugInHiveInspectors and squashes the following commits:
1c3df2a [Takeshi YAMAMURO] Fix comments
56305de [Takeshi YAMAMURO] Fix conflicts
92ed7a6 [Takeshi YAMAMURO] Throw an exception when java list type used
2844a8e [Takeshi YAMAMURO] Apply comments
7114a47 [Takeshi YAMAMURO] Add TODO comments in UDFToListString of HiveUdfSuite
fdb2ae4 [Takeshi YAMAMURO] Add StringToUtf8 to comvert String into UTF8String
af61f2e [Takeshi YAMAMURO] Remove a new type
7f812fd [Takeshi YAMAMURO] Fix code-style errors
6984bf4 [Takeshi YAMAMURO] Apply review comments
93e3d4e [Takeshi YAMAMURO] Add a blank line at the end of UDFToListString
ee232db [Takeshi YAMAMURO] Support List as a return type in Hive UDF
1e82316 [Takeshi YAMAMURO] Apply comments
21e8763 [Takeshi YAMAMURO] Add TODO comments in UDFToListString of HiveUdfSuite
a488712 [Takeshi YAMAMURO] Add StringToUtf8 to comvert String into UTF8String
1c7b9d1 [Takeshi YAMAMURO] Remove a new type
f965c34 [Takeshi YAMAMURO] Fix code-style errors
9406416 [Takeshi YAMAMURO] Apply review comments
e21ce7e [Takeshi YAMAMURO] Add a blank line at the end of UDFToListString
e553f10 [Takeshi YAMAMURO] Support List as a return type in Hive UDF
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JIRA: https://issues.apache.org/jira/browse/SPARK-8463
Currently, at the reading path, `DriverRegistry` is used to load needed jdbc driver at executors. However, at the writing path, we also need `DriverRegistry` to load jdbc driver.
Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #6900 from viirya/jdbc_write_driver and squashes the following commits:
16cd04b [Liang-Chi Hsieh] Use DriverRegistry to load jdbc driver at writing path.
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identically named columns
Adding a function checkConstraints which will check for the constraints to be applied on the dataframe / dataframe schema. Function called before storing the dataframe to an external storage. Function added in the corresponding datasource API.
cc rxin marmbrus
Author: animesh <animesh@apache.spark>
This patch had conflicts when merged, resolved by
Committer: Michael Armbrust <michael@databricks.com>
Closes #7013 from animeshbaranawal/8072 and squashes the following commits:
f70dd0e [animesh] Change IO exception to Analysis Exception
fd45e1b [animesh] 8072: Fix Style Issues
a8a964f [animesh] 8072: Improving on previous commits
3cc4d2c [animesh] Fix Style Issues
1a89115 [animesh] Fix Style Issues
98b4399 [animesh] 8072 : Moved the exception handling to ResolvedDataSource specific to parquet format
7c3d928 [animesh] 8072: Adding check to DataFrameWriter.scala
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This PR adds regression test for https://issues.apache.org/jira/browse/SPARK-8588 (fixed by https://github.com/apache/spark/commit/457d07eaa023b44b75344110508f629925eb6247).
Author: Yin Huai <yhuai@databricks.com>
This patch had conflicts when merged, resolved by
Committer: Michael Armbrust <michael@databricks.com>
Closes #7103 from yhuai/SPARK-8588-test and squashes the following commits:
eb5f418 [Yin Huai] Add a query test.
c61a173 [Yin Huai] Regression test for SPARK-8588.
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Author: Daoyuan Wang <daoyuan.wang@intel.com>
Closes #7234 from adrian-wang/exchangeclean and squashes the following commits:
b093ec9 [Daoyuan Wang] remove unused code
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This pull request
(1) extracts common functions used by hash outer joins and put it in interface HashOuterJoin
(2) adds ShuffledHashOuterJoin and BroadcastHashOuterJoin
(3) adds test cases for shuffled and broadcast hash outer join
(3) makes SparkPlanTest to support binary or more complex operators, and fixes bugs in plan composition in SparkPlanTest
Author: kai <kaizeng@eecs.berkeley.edu>
Closes #7162 from kai-zeng/outer and squashes the following commits:
3742359 [kai] Fix not-serializable exception for code-generated keys in broadcasted relations
14e4bf8 [kai] Use CanBroadcast in broadcast outer join planning
dc5127e [kai] code style fixes
b5a4efa [kai] (1) Add broadcast hash outer join, (2) Fix SparkPlanTest
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Add Python API for hex/unhex, also cleanup Hex/Unhex
Author: Davies Liu <davies@databricks.com>
Closes #7223 from davies/hex and squashes the following commits:
6f1249d [Davies Liu] no explicit rule to cast string into binary
711a6ed [Davies Liu] fix test
f9fe5a3 [Davies Liu] Merge branch 'master' of github.com:apache/spark into hex
f032fbb [Davies Liu] Merge branch 'hex' of github.com:davies/spark into hex
49e325f [Davies Liu] Merge branch 'master' of github.com:apache/spark into hex
b31fc9a [Davies Liu] Update math.scala
25156b7 [Davies Liu] address comments and fix test
c3af78c [Davies Liu] address commments
1a24082 [Davies Liu] Add Python API for hex and unhex
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Author: Wenchen Fan <cloud0fan@outlook.com>
Closes #7237 from cloud-fan/parser and squashes the following commits:
e7b49bb [Wenchen Fan] support using keyword in column name
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When pruning partitions for a query plan, a message is logged indicating what how many partitions were selected based on predicate criteria, and what percent were pruned.
The current release erroneously uses `1 - total/selected` to compute this quantity, leading to nonsense messages like "pruned -1000% partitions". The fix is simple and obvious.
Author: Steve Lindemann <steve.lindemann@engineersgatelp.com>
Closes #7227 from srlindemann/master and squashes the following commits:
c788061 [Steve Lindemann] fix percentPruned log message
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Otherwise it is impossible to declare an expression supporting DecimalType.
Author: Reynold Xin <rxin@databricks.com>
Closes #7232 from rxin/typecollection-adt and squashes the following commits:
934d3d1 [Reynold Xin] [SPARK-8831][SQL] Support AbstractDataType in TypeCollection.
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This is a the follow up of #6843.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #7230 from chenghao-intel/str_funcs2_followup and squashes the following commits:
52cc553 [Cheng Hao] update the code as comment
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ping liancheng
Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #7224 from viirya/few_fix_catalystschema and squashes the following commits:
d994330 [Liang-Chi Hsieh] Minor fix for CatalystSchemaConverter.
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Author: Reynold Xin <rxin@databricks.com>
Closes #7220 from rxin/SPARK-8822 and squashes the following commits:
0cda076 [Reynold Xin] Test cases.
22d0463 [Reynold Xin] Fixed type precedence.
beb2a97 [Reynold Xin] [SPARK-8822][SQL] clean up type checking in math.scala.
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AbstractDataType.
Author: Reynold Xin <rxin@databricks.com>
Closes #7221 from rxin/implicit-cast-tests and squashes the following commits:
64b13bd [Reynold Xin] Fixed a bug ..
489b732 [Reynold Xin] [SQL] More unit tests for implicit type cast & add simpleString to AbstractDataType.
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Jira: https://issues.apache.org/jira/browse/SPARK-8270
Info: I can not build the latest master, it stucks during the build process: `[INFO] Dependency-reduced POM written at: /Users/tarek/test/spark/bagel/dependency-reduced-pom.xml`
Author: Tarek Auel <tarek.auel@googlemail.com>
Closes #7214 from tarekauel/SPARK-8270 and squashes the following commits:
ab348b9 [Tarek Auel] Merge branch 'master' into SPARK-8270
a2ad318 [Tarek Auel] [SPARK-8270] changed order of fields
d91b12c [Tarek Auel] [SPARK-8270] python fix
adbd075 [Tarek Auel] [SPARK-8270] fixed typo
23185c9 [Tarek Auel] [SPARK-8270] levenshtein distance
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ascii/base64/unbase64/encode/decode functions
Add `ascii`,`base64`,`unbase64`,`encode` and `decode` expressions.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #6843 from chenghao-intel/str_funcs2 and squashes the following commits:
78dee7d [Cheng Hao] base 64 -> base64
9d6f9f4 [Cheng Hao] remove the toString method for expressions
ed5c19c [Cheng Hao] update code as comments
96170fc [Cheng Hao] scalastyle issues
e2df768 [Cheng Hao] remove the unused import
491ce7b [Cheng Hao] add ascii/base64/unbase64/encode/decode functions
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This commit adds a set of random data generation utilities to Spark SQL, for use in its own unit tests.
- `RandomDataGenerator.forType(DataType)` returns an `Option[() => Any]` that, if defined, contains a function for generating random values for the given DataType. The random values use the external representations for the given DataType (for example, for DateType we return `java.sql.Date` instances instead of longs).
- `DateTypeTestUtilities` defines some convenience fields for looping over instances of data types. For example, `numericTypes` holds `DataType` instances for all supported numeric types. These constants will help us to raise the level of abstraction in our tests. For example, it's now very easy to write a test which is parameterized by all common data types.
Author: Josh Rosen <joshrosen@databricks.com>
Closes #7176 from JoshRosen/sql-random-data-generators and squashes the following commits:
f71634d [Josh Rosen] Roll back ScalaCheck usage
e0d7d49 [Josh Rosen] Bump ScalaCheck version in LICENSE
89d86b1 [Josh Rosen] Bump ScalaCheck version.
0c20905 [Josh Rosen] Initial attempt at using ScalaCheck.
b55875a [Josh Rosen] Generate doubles and floats over entire possible range.
5acdd5c [Josh Rosen] Infinity and NaN are interesting.
ab76cbd [Josh Rosen] Move code to Catalyst package.
d2b4a4a [Josh Rosen] Add random data generator test utilities to Spark SQL.
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Author: Daoyuan Wang <daoyuan.wang@intel.com>
Closes #6985 from adrian-wang/udfcurrent and squashes the following commits:
6a20b64 [Daoyuan Wang] remove codegen and add lazy in testsuite
27c9f95 [Daoyuan Wang] refine tests..
e11ae75 [Daoyuan Wang] refine tests
61ed3d5 [Daoyuan Wang] add in functions
98e8550 [Daoyuan Wang] fix sytle
427d9dc [Daoyuan Wang] add tests and codegen
0b69a1f [Daoyuan Wang] udf current
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Implemented type coercion for udf arguments in Scala. The changes include-
* Add `with ExpectsInputTypes ` to `ScalaUDF` class.
* Pass down argument types info from `UDFRegistration` and `functions`.
With this patch, the example query in [SPARK-8572](https://issues.apache.org/jira/browse/SPARK-8572) no longer throws a type cast error at runtime.
Also added a unit test to `UDFSuite` in which a decimal type is passed to a udf that expects an int.
Author: Cheolsoo Park <cheolsoop@netflix.com>
Closes #7203 from piaozhexiu/SPARK-8572 and squashes the following commits:
2d0ed15 [Cheolsoo Park] Incorporate comments
dce1efd [Cheolsoo Park] Fix unit tests and update the codegen script
066deed [Cheolsoo Park] Type coercion for udf inputs
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One test for each of the GROUP BY, WHERE and HAVING clauses, and one that combines all three with an additional UDF in the SELECT.
(Since this is my first attempt at contributing to SPARK, meta-level guidance on anything I've screwed up would be greatly appreciated, whether important or minor.)
Author: Spiro Michaylov <spiro@michaylov.com>
Closes #7207 from spirom/udf-test-branch and squashes the following commits:
6bbba9e [Spiro Michaylov] Responded to review comments on UDF unit tests
1a3c5ff [Spiro Michaylov] Added several UDF unit tests for Spark SQL
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Author: zhichao.li <zhichao.li@intel.com>
Closes #7035 from zhichao-li/shiftRightUnsigned and squashes the following commits:
6bcca5a [zhichao.li] change coding style
3e9f5ae [zhichao.li] python style
d85ae0b [zhichao.li] add shiftrightunsigned
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"NaN" from string to double is already handled by Cast expression itself.
Author: Reynold Xin <rxin@databricks.com>
Closes #7206 from rxin/convertnans and squashes the following commits:
3d99c33 [Reynold Xin] [SPARK-8809][SQL] Remove ConvertNaNs analyzer rule.
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cc rxin
Having back ticks or null as elements causes problems.
Since elements become column names, we have to drop them from the element as back ticks are special characters.
Having null throws exceptions, we could replace them with empty strings.
Handling back ticks should be improved for 1.5
Author: Burak Yavuz <brkyvz@gmail.com>
Closes #7201 from brkyvz/weird-ct-elements and squashes the following commits:
e06b840 [Burak Yavuz] fix scalastyle
93a0d3f [Burak Yavuz] added tests for NaN and Infinity
9dba6ce [Burak Yavuz] address cr1
db71dbd [Burak Yavuz] handle special characters in elements in crosstab
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This patch adds a new TypeCollection AbstractDataType that can be used by expressions to specify more than one expected input types.
Author: Reynold Xin <rxin@databricks.com>
Closes #7202 from rxin/type-collection and squashes the following commits:
c714ca1 [Reynold Xin] Fixed style.
a0c0d12 [Reynold Xin] Fixed bugs and unit tests.
d8b8ae7 [Reynold Xin] Added TypeCollection.
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ORC writes empty schema (`struct<>`) to ORC files containing zero rows. This is OK for Hive since the table schema is managed by the metastore. But it causes trouble when reading raw ORC files via Spark SQL since we have to discover the schema from the files.
Notice that the ORC data source always avoids writing empty ORC files, but it's still problematic when reading Hive tables which contain empty part-files.
Author: Cheng Lian <lian@databricks.com>
Closes #7199 from liancheng/spark-8501 and squashes the following commits:
bb8cd95 [Cheng Lian] Addresses comments
a290221 [Cheng Lian] Avoids reading schema from empty ORC files
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Author: zhichao.li <zhichao.li@intel.com>
Closes #6822 from zhichao-li/factorial and squashes the following commits:
26edf4f [zhichao.li] add factorial
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This fixes code generation for queries containing `ORDER BY NULL`. Previously, the generated code would fail to compile.
Author: Josh Rosen <joshrosen@databricks.com>
Closes #7179 from JoshRosen/generate-order-fixes and squashes the following commits:
6ef49a6 [Josh Rosen] Fix ORDER BY NULL
0036696 [Josh Rosen] Add regression test for SPARK-8782 (ORDER BY NULL)
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This reverts commit fc7aebd94a3c09657fc4dbded0997ed068304e0a.
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Also improve the performance of hex/unhex
Author: Davies Liu <davies@databricks.com>
Closes #7181 from davies/hex and squashes the following commits:
f032fbb [Davies Liu] Merge branch 'hex' of github.com:davies/spark into hex
49e325f [Davies Liu] Merge branch 'master' of github.com:apache/spark into hex
b31fc9a [Davies Liu] Update math.scala
25156b7 [Davies Liu] address comments and fix test
c3af78c [Davies Liu] address commments
1a24082 [Davies Liu] Add Python API for hex and unhex
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input types.
Author: Reynold Xin <rxin@databricks.com>
Closes #7175 from rxin/implicitCast and squashes the following commits:
88080a2 [Reynold Xin] Clearer definition of implicit type cast.
f0ff97f [Reynold Xin] Added missing file.
c65e532 [Reynold Xin] [SPARK-8772][SQL] Implement implicit type cast for expressions that defines input types.
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This is a follow up of [SPARK-8283](https://issues.apache.org/jira/browse/SPARK-8283) ([PR-6828](https://github.com/apache/spark/pull/6828)), to support both `struct` and `named_struct` in Spark SQL.
After [#6725](https://github.com/apache/spark/pull/6828), the semantic of [`CreateStruct`](https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypes.scala#L56) methods have changed a little and do not limited to cols of `NamedExpressions`, it will name non-NamedExpression fields following the hive convention, col1, col2 ...
This PR would both loosen [`struct`](https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/functions.scala#L723) to take children of `Expression` type and add `named_struct` support.
Author: Yijie Shen <henry.yijieshen@gmail.com>
Closes #6874 from yijieshen/SPARK-8283 and squashes the following commits:
4cd3375ac [Yijie Shen] change struct documentation
d599d0b [Yijie Shen] rebase code
9a7039e [Yijie Shen] fix reviews and regenerate golden answers
b487354 [Yijie Shen] replace assert using checkAnswer
f07e114 [Yijie Shen] tiny fix
9613be9 [Yijie Shen] review fix
7fef712 [Yijie Shen] Fix checkInputTypes' implementation using foldable and nullable
60812a7 [Yijie Shen] Fix type check
828d694 [Yijie Shen] remove unnecessary resolved assertion inside dataType method
fd3cd8e [Yijie Shen] remove type check from eval
7a71255 [Yijie Shen] tiny fix
ccbbd86 [Yijie Shen] Fix reviews
47da332 [Yijie Shen] remove nameStruct API from DataFrame
917e680 [Yijie Shen] Fix reviews
4bd75ad [Yijie Shen] loosen struct method in functions.scala to take Expression children
0acb7be [Yijie Shen] Add CreateNamedStruct in both DataFrame function API and FunctionRegistery
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also improve tests for binary comparison.
Author: Wenchen Fan <cloud0fan@outlook.com>
Closes #7143 from cloud-fan/binary and squashes the following commits:
28a5b76 [Wenchen Fan] improve test
04ef4b0 [Wenchen Fan] fix equalNullSafe
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Jira:
https://issues.apache.org/jira/browse/SPARK-8223
https://issues.apache.org/jira/browse/SPARK-8224
~~I am aware of #7174 and will update this pr, if it's merged.~~ Done
I don't know if #7034 can simplify this, but we can have a look on it, if it gets merged
rxin In the Jira ticket the function as no second argument. I added a `numBits` argument that allows to specify the number of bits. I guess this improves the usability. I wanted to add `shiftleft(value)` as well, but the `selectExpr` dataframe tests crashes, if I have both. I order to do this, I added the following to the functions.scala `def shiftRight(e: Column): Column = ShiftRight(e.expr, lit(1).expr)`, but as I mentioned this doesn't pass tests like `df.selectExpr("shiftRight(a)", ...` (not enough arguments exception).
If we need the bitwise shift in order to be hive compatible, I suggest to add `shiftLeft` and something like `shiftLeftX`
Author: Tarek Auel <tarek.auel@googlemail.com>
Closes #7178 from tarekauel/8223 and squashes the following commits:
8023bb5 [Tarek Auel] [SPARK-8223][SPARK-8224] fixed test
f3f64e6 [Tarek Auel] [SPARK-8223][SPARK-8224] Integer -> Int
f628706 [Tarek Auel] [SPARK-8223][SPARK-8224] removed toString; updated function description
3b56f2a [Tarek Auel] Merge remote-tracking branch 'origin/master' into 8223
5189690 [Tarek Auel] [SPARK-8223][SPARK-8224] minor fix and style fix
9434a28 [Tarek Auel] Merge remote-tracking branch 'origin/master' into 8223
44ee324 [Tarek Auel] [SPARK-8223][SPARK-8224] docu fix
ac7fe9d [Tarek Auel] [SPARK-8223][SPARK-8224] right and left bit shift
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