| Commit message (Collapse) | Author | Age | Files | Lines |
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## What changes were proposed in this pull request?
SPARK-15241: We now support java decimal and catalyst decimal in external row, it makes sense to also support scala decimal.
SPARK-15242: This is a long-standing bug, and is exposed after https://github.com/apache/spark/pull/12364, which eliminate the `If` expression if the field is not nullable:
```
val fieldValue = serializerFor(
GetExternalRowField(inputObject, i, externalDataTypeForInput(f.dataType)),
f.dataType)
if (f.nullable) {
If(
Invoke(inputObject, "isNullAt", BooleanType, Literal(i) :: Nil),
Literal.create(null, f.dataType),
fieldValue)
} else {
fieldValue
}
```
Previously, we always use `DecimalType.SYSTEM_DEFAULT` as the output type of converted decimal field, which is wrong as it doesn't match the real decimal type. However, it works well because we always put converted field into `If` expression to do the null check, and `If` use its `trueValue`'s data type as its output type.
Now if we have a not nullable decimal field, then the converted field's output type will be `DecimalType.SYSTEM_DEFAULT`, and we will write wrong data into unsafe row.
The fix is simple, just use the given decimal type as the output type of converted decimal field.
These 2 issues was found at https://github.com/apache/spark/pull/13008
## How was this patch tested?
new tests in RowEncoderSuite
Author: Wenchen Fan <wenchen@databricks.com>
Closes #13019 from cloud-fan/encoder-decimal.
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## What changes were proposed in this pull request?
This fixes compile errors.
## How was this patch tested?
Pass the Jenkins tests.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #13053 from dongjoon-hyun/hotfix_sqlquerysuite.
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## What changes were proposed in this pull request?
We have a private `UDTRegistration` API to register user defined type. Currently `JavaTypeInference` can't work with it. So `SparkSession.createDataFrame` from a bean class will not correctly infer the schema of the bean class.
## How was this patch tested?
`VectorUDTSuite`.
Author: Liang-Chi Hsieh <simonh@tw.ibm.com>
Closes #13046 from viirya/fix-udt-registry-javatypeinference.
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## What changes were proposed in this pull request?
#### Symptom
If a table is created as parquet or ORC table with hive syntaxt DDL, such as
```SQL
create table t1 (c1 int, c2 string) stored as parquet
```
The following command will fail
```SQL
create view v1 as select * from t1
```
#### Root Cause
Currently, `HiveMetaStoreCatalog` converts Paruqet/Orc tables to `LogicalRelation` without giving any `tableIdentifier`. `SQLBuilder` expects the `LogicalRelation` to have an associated `tableIdentifier`. However, the `LogicalRelation` created earlier does not have such a `tableIdentifier`. Thus, `SQLBuilder.toSQL` can not recognize this logical plan and issue an exception.
This PR is to assign a `TableIdentifier` to the `LogicalRelation` when resolving parquet or orc tables in `HiveMetaStoreCatalog`.
## How was this patch tested?
testcases created and dev/run-tests is run.
Author: xin Wu <xinwu@us.ibm.com>
Closes #12716 from xwu0226/SPARK_14933.
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don't drop columns silently
## What changes were proposed in this pull request?
This PR adds documents about the different behaviors between `insertInto` and `saveAsTable`, and throws an exception when the user try to add too man columns using `saveAsTable with append`.
## How was this patch tested?
Unit tests added in this PR.
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #13013 from zsxwing/SPARK-15231.
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## What changes were proposed in this pull request?
We use the tree string of an SparkPlan as the name of cached DataFrame, that could be very long, cause the browser to be not responsive. This PR will limit the length of the name to 1000 characters.
## How was this patch tested?
Here is how the UI looks right now:
![ui](https://cloud.githubusercontent.com/assets/40902/15163355/d5640f9c-16bc-11e6-8655-809af8a4fed1.png)
Author: Davies Liu <davies@databricks.com>
Closes #13033 from davies/cache_name.
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## What changes were proposed in this pull request?
This issue fixes the error message indentation consistently with other set queries (EXCEPT/INTERSECT).
**Before (4 lines)**
```
scala> sql("(select 1) union (select 1, 2)").head
org.apache.spark.sql.AnalysisException:
Unions can only be performed on tables with the same number of columns,
but one table has '2' columns and another table has
'1' columns;
```
**After (one-line)**
```
scala> sql("(select 1) union (select 1, 2)").head
org.apache.spark.sql.AnalysisException: Unions can only be performed on tables with the same number of columns, but one table has '2' columns and another table has '1' columns;
```
**Reference (EXCEPT / INTERSECT)**
```
scala> sql("(select 1) intersect (select 1, 2)").head
org.apache.spark.sql.AnalysisException: Intersect can only be performed on tables with the same number of columns, but the left table has 1 columns and the right has 2;
```
## How was this patch tested?
Manual.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #13043 from dongjoon-hyun/SPARK-15265.
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## What changes were proposed in this pull request?
This PR removes the old `json(path: String)` API which is covered by the new `json(paths: String*)`.
## How was this patch tested?
Jenkins tests (existing tests should cover this)
Author: hyukjinkwon <gurwls223@gmail.com>
Author: Hyukjin Kwon <gurwls223@gmail.com>
Closes #13040 from HyukjinKwon/SPARK-15250.
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## What changes were proposed in this pull request?
This patch removes experimental tag from DataFrameReader and DataFrameWriter, and explicitly tags a few methods added for structured streaming as experimental.
## How was this patch tested?
N/A
Author: Reynold Xin <rxin@databricks.com>
Closes #13038 from rxin/SPARK-15261.
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info like table name and file path for data source.
## What changes were proposed in this pull request?
Improve the physical plan visualization by adding meta info like table name and file path for data source.
Meta info InputPaths and TableName are newly added. Example:
```
scala> spark.range(10).write.saveAsTable("tt")
scala> spark.sql("select * from tt").explain()
== Physical Plan ==
WholeStageCodegen
: +- BatchedScan HadoopFiles[id#13L] Format: ParquetFormat, InputPaths: file:/home/xzhong10/spark-linux/assembly/spark-warehouse/tt, PushedFilters: [], ReadSchema: struct<id:bigint>, TableName: default.tt
```
## How was this patch tested?
manual tests.
Changes for UI:
Before:
![ui_before_change](https://cloud.githubusercontent.com/assets/2595532/15064559/3d423e3c-1388-11e6-8099-7803ef496c4d.jpg)
After:
![fix_long_string](https://cloud.githubusercontent.com/assets/2595532/15133566/8ad09e26-1696-11e6-939c-99b908249b9d.jpg)
![for_load](https://cloud.githubusercontent.com/assets/2595532/15157224/3ba95c98-171d-11e6-885a-de0ee8dec27c.jpg)
Author: Sean Zhong <clockfly@gmail.com>
Closes #12947 from clockfly/spark-14476.
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reading new files added to subdirs
## What changes were proposed in this pull request?
Currently, file stream source can only find new files if they appear in the directory given to the source, but not if they appear in subdirs. This PR add support for providing glob patterns when creating file stream source so that it can find new files in nested directories based on the glob pattern.
## How was this patch tested?
Unit test that tests when new files are discovered with globs and partitioned directories.
Author: Tathagata Das <tathagata.das1565@gmail.com>
Closes #12616 from tdas/SPARK-14837.
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CreateFunction and CatalogFunction for resource
Use FunctionResource instead of (String, String) in CreateFunction and CatalogFunction for resource
see: TODO's here
https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala#L36
https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala#L42
Existing tests
Author: Sandeep Singh <sandeep@techaddict.me>
Closes #13024 from techaddict/SPARK-15249.
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## What changes were proposed in this pull request?
A Generate with the `outer` flag enabled should always return one or more rows for every input row. The optimizer currently violates this by rewriting `outer` Generates that do not contain columns of the child plan into an unjoined generate, for example:
```sql
select e from a lateral view outer explode(a.b) as e
```
The result of this is that `outer` Generate does not produce output at all when the Generators' input expression is empty. This PR fixes this.
## How was this patch tested?
Added test case to `SQLQuerySuite`.
Author: Herman van Hovell <hvanhovell@questtec.nl>
Closes #12906 from hvanhovell/SPARK-14986.
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under functions
## What changes were proposed in this pull request?
PR fixes the import issue which breaks udf functions.
The following code snippet throws an error
```
scala> import org.apache.spark.sql.functions._
import org.apache.spark.sql.functions._
scala> import org.apache.spark.sql.expressions._
import org.apache.spark.sql.expressions._
scala> udf((v: String) => v.stripSuffix("-abc"))
<console>:30: error: No TypeTag available for String
udf((v: String) => v.stripSuffix("-abc"))
```
This PR resolves the issue.
## How was this patch tested?
patch tested with unit tests.
(If this patch involves UI changes, please attach a screenshot; otherwise, remove this)
Author: Subhobrata Dey <sbcd90@gmail.com>
Closes #12458 from sbcd90/udfFuncBreak.
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## What changes were proposed in this pull request?
After #12907 `TestSparkSession` creates a spark session in one of the constructors just to get the `SparkContext` from it. This ends up creating 2 `SparkSession`s from one call, which is definitely not what we want.
## How was this patch tested?
Jenkins.
Author: Andrew Or <andrew@databricks.com>
Closes #13031 from andrewor14/sql-test.
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This replaces `sparkSession` with `spark` in CatalogSuite.scala.
Pass the Jenkins tests.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #13030 from dongjoon-hyun/hotfix_sparkSession.
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Since we cannot really trust if the underlying external catalog can throw exceptions when there is an invalid metadata operation, let's do it in SessionCatalog.
- [X] The first step is to unify the error messages issued in Hive-specific Session Catalog and general Session Catalog.
- [X] The second step is to verify the inputs of metadata operations for partitioning-related operations. This is moved to a separate PR: https://github.com/apache/spark/pull/12801
- [X] The third step is to add database existence verification in `SessionCatalog`
- [X] The fourth step is to add table existence verification in `SessionCatalog`
- [X] The fifth step is to add function existence verification in `SessionCatalog`
Add test cases and verify the error messages we issued
Author: gatorsmile <gatorsmile@gmail.com>
Author: xiaoli <lixiao1983@gmail.com>
Author: Xiao Li <xiaoli@Xiaos-MacBook-Pro.local>
Closes #12385 from gatorsmile/verifySessionAPIs.
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Scala/Java TestSuites
## What changes were proposed in this pull request?
Use SparkSession instead of SQLContext in Scala/Java TestSuites
as this PR already very big working Python TestSuites in a diff PR.
## How was this patch tested?
Existing tests
Author: Sandeep Singh <sandeep@techaddict.me>
Closes #12907 from techaddict/SPARK-15037.
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Sending un-updated accumulators back to driver makes no sense, as merging a zero value accumulator is a no-op. We should only send back updated accumulators, to save network IO.
new test in `TaskContextSuite`
Author: Wenchen Fan <wenchen@databricks.com>
Closes #12899 from cloud-fan/acc.
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## What changes were proposed in this pull request?
This PR fixes SQL building for predicate subqueries and correlated scalar subqueries. It also enables most Hive subquery tests.
## How was this patch tested?
Enabled new tests in HiveComparisionSuite.
Author: Herman van Hovell <hvanhovell@questtec.nl>
Closes #12988 from hvanhovell/SPARK-14773.
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## What changes were proposed in this pull request?
As reported in the Jira the 2 tests changed here are using a key of type Integer where the Spark sql code assumes the type is Long. This PR changes the tests to use the correct key types.
## How was this patch tested?
Test builds run on both Big Endian and Little Endian platforms
Author: Pete Robbins <robbinspg@gmail.com>
Closes #13009 from robbinspg/HashedRelationSuiteFix.
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properties for data source tables
## What changes were proposed in this pull request?
This is a follow-up of #12934 and #12844. This PR adds a set of utility methods in `DDLUtils` to help extract schema information (user-defined schema, partition columns, and bucketing information) from data source table properties. These utility methods are then used in `DescribeTableCommand` to refine output for data source tables. Before this PR, the aforementioned schema information are only shown as table properties, which are hard to read.
Sample output:
```
+----------------------------+---------------------------------------------------------+-------+
|col_name |data_type |comment|
+----------------------------+---------------------------------------------------------+-------+
|a |bigint | |
|b |bigint | |
|c |bigint | |
|d |bigint | |
|# Partition Information | | |
|# col_name | | |
|d | | |
| | | |
|# Detailed Table Information| | |
|Database: |default | |
|Owner: |lian | |
|Create Time: |Tue May 10 03:20:34 PDT 2016 | |
|Last Access Time: |Wed Dec 31 16:00:00 PST 1969 | |
|Location: |file:/Users/lian/local/src/spark/workspace-a/target/... | |
|Table Type: |MANAGED | |
|Table Parameters: | | |
| rawDataSize |-1 | |
| numFiles |1 | |
| transient_lastDdlTime |1462875634 | |
| totalSize |684 | |
| spark.sql.sources.provider|parquet | |
| EXTERNAL |FALSE | |
| COLUMN_STATS_ACCURATE |false | |
| numRows |-1 | |
| | | |
|# Storage Information | | |
|SerDe Library: |org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe | |
|InputFormat: |org.apache.hadoop.mapred.SequenceFileInputFormat | |
|OutputFormat: |org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat| |
|Compressed: |No | |
|Num Buckets: |2 | |
|Bucket Columns: |[b] | |
|Sort Columns: |[c] | |
|Storage Desc Parameters: | | |
| path |file:/Users/lian/local/src/spark/workspace-a/target/... | |
| serialization.format |1 | |
+----------------------------+---------------------------------------------------------+-------+
```
## How was this patch tested?
Test cases are added in `HiveDDLSuite` to check command output.
Author: Cheng Lian <lian@databricks.com>
Closes #13025 from liancheng/spark-14127-extract-schema-info.
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#### What changes were proposed in this pull request?
This PR is to address a few existing issues in `EXPLAIN`:
- The `EXPLAIN` options `LOGICAL | FORMATTED | EXTENDED | CODEGEN` should not be 0 or more match. It should 0 or one match. Parser does not allow users to use more than one option in a single command.
- The option `LOGICAL` is not supported. Issue an exception when users specify this option in the command.
- The output of `EXPLAIN ` contains a weird empty line when the output of analyzed plan is empty. We should remove it. For example:
```
== Parsed Logical Plan ==
CreateTable CatalogTable(`t`,CatalogTableType(MANAGED),CatalogStorageFormat(None,Some(org.apache.hadoop.mapred.TextInputFormat),Some(org.apache.hadoop.hive.ql.io. HiveIgnoreKeyTextOutputFormat),None,false,Map()),List(CatalogColumn(col,int,true,None)),List(),List(),List(),-1,,1462725171656,-1,Map(),None,None,None), false
== Analyzed Logical Plan ==
CreateTable CatalogTable(`t`,CatalogTableType(MANAGED),CatalogStorageFormat(None,Some(org.apache.hadoop.mapred.TextInputFormat),Some(org.apache.hadoop.hive.ql.io. HiveIgnoreKeyTextOutputFormat),None,false,Map()),List(CatalogColumn(col,int,true,None)),List(),List(),List(),-1,,1462725171656,-1,Map(),None,None,None), false
== Optimized Logical Plan ==
CreateTable CatalogTable(`t`,CatalogTableType(MANAGED),CatalogStorageFormat(None,Some(org.apache.hadoop.mapred.TextInputFormat),Some(org.apache.hadoop.hive.ql.io. HiveIgnoreKeyTextOutputFormat),None,false,Map()),List(CatalogColumn(col,int,true,None)),List(),List(),List(),-1,,1462725171656,-1,Map(),None,None,None), false
...
```
#### How was this patch tested?
Added and modified a few test cases
Author: gatorsmile <gatorsmile@gmail.com>
Closes #12991 from gatorsmile/explainCreateTable.
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#### What changes were proposed in this pull request?
In Hive Metastore, dropping default database is not allowed. However, in `InMemoryCatalog`, this is allowed.
This PR is to disallow users to drop default database.
#### How was this patch tested?
Previously, we already have a test case in HiveDDLSuite. Now, we also add the same one in DDLSuite
Author: gatorsmile <gatorsmile@gmail.com>
Closes #12962 from gatorsmile/dropDefaultDB.
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## What changes were proposed in this pull request?
Our case sensitivity support is different from what ANSI SQL standards support. Postgres' behavior is that if an identifier is quoted, then it is treated as case sensitive; otherwise it is folded to lowercase. We will likely need to revisit this in the future and change our behavior. For now, the safest change to do for Spark 2.0 is to make the case sensitive option internal and discourage users from turning it on, effectively making Spark always case insensitive.
## How was this patch tested?
N/A - a small config documentation change.
Author: Reynold Xin <rxin@databricks.com>
Closes #13011 from rxin/SPARK-15229.
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## What changes were proposed in this pull request?
Before:
```
scala> spark.catalog.listDatabases.show()
+--------------------+-----------+-----------+
| name|description|locationUri|
+--------------------+-----------+-----------+
|Database[name='de...|
|Database[name='my...|
|Database[name='so...|
+--------------------+-----------+-----------+
```
After:
```
+-------+--------------------+--------------------+
| name| description| locationUri|
+-------+--------------------+--------------------+
|default|Default Hive data...|file:/user/hive/w...|
| my_db| This is a database|file:/Users/andre...|
|some_db| |file:/private/var...|
+-------+--------------------+--------------------+
```
## How was this patch tested?
New test in `CatalogSuite`
Author: Andrew Or <andrew@databricks.com>
Closes #13015 from andrewor14/catalog-show.
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## What changes were proposed in this pull request?
The issue is that when the user provides the path option with uppercase "PATH" key, `options` contains `PATH` key and will get into the non-external case in the following code in `createDataSourceTables.scala`, where a new key "path" is created with a default path.
```
val optionsWithPath =
if (!options.contains("path")) {
isExternal = false
options + ("path" -> sessionState.catalog.defaultTablePath(tableIdent))
} else {
options
}
```
So before creating hive table, serdeInfo.parameters will contain both "PATH" and "path" keys and different directories. and Hive table's dataLocation contains the value of "path".
The fix in this PR is to convert `options` in the code above to `CaseInsensitiveMap` before checking for containing "path" key.
## How was this patch tested?
A testcase is added
Author: xin Wu <xinwu@us.ibm.com>
Closes #12804 from xwu0226/SPARK-15025.
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method
This patch improves the performance of `InferSchema.compatibleType` and `inferField`. The net result of this patch is a 6x speedup in local benchmarks running against cached data with a massive nested schema.
The key idea is to remove unnecessary sorting in `compatibleType`'s `StructType` merging code. This code takes two structs, merges the fields with matching names, and copies over the unique fields, producing a new schema which is the union of the two structs' schemas. Previously, this code performed a very inefficient `groupBy()` to match up fields with the same name, but this is unnecessary because `inferField` already sorts structs' fields by name: since both lists of fields are sorted, we can simply merge them in a single pass.
This patch also speeds up the existing field sorting in `inferField`: the old sorting code allocated unnecessary intermediate collections, while the new code uses mutable collects and performs in-place sorting.
I rewrote inefficient `equals()` implementations in `StructType` and `Metadata`, significantly reducing object allocations in those methods.
Finally, I replaced a `treeAggregate` call with `fold`: I doubt that `treeAggregate` will benefit us very much because the schemas would have to be enormous to realize large savings in network traffic. Since most schemas are probably fairly small in serialized form, they should typically fit within a direct task result and therefore can be incrementally merged at the driver as individual tasks finish. This change eliminates an entire (short) scheduler stage.
Author: Josh Rosen <joshrosen@databricks.com>
Closes #12750 from JoshRosen/schema-inference-speedups.
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table stored in hive
When we parse `CREATE TABLE USING`, we should build a `CreateTableUsing` plan with the `managedIfNoPath` set to true. Then we will add default table path to options when write it to hive.
new test in `SQLQuerySuite`
Author: Wenchen Fan <wenchen@databricks.com>
Closes #12949 from cloud-fan/bug.
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## What changes were proposed in this pull request?
This also simplifies the code being moved.
## How was this patch tested?
Existing tests.
Author: Andrew Or <andrew@databricks.com>
Closes #12941 from andrewor14/move-code.
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add DeveloperApi annotation for `AbstractDataType` `MapType` `UserDefinedType`
local build
Author: Zheng RuiFeng <ruifengz@foxmail.com>
Closes #12982 from zhengruifeng/types_devapi.
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Enhance the exception message when `checkpointLocation` is not set, previously the message is:
```
java.util.NoSuchElementException: None.get
at scala.None$.get(Option.scala:347)
at scala.None$.get(Option.scala:345)
at org.apache.spark.sql.DataFrameWriter$$anonfun$8.apply(DataFrameWriter.scala:338)
at org.apache.spark.sql.DataFrameWriter$$anonfun$8.apply(DataFrameWriter.scala:338)
at scala.collection.MapLike$class.getOrElse(MapLike.scala:128)
at scala.collection.AbstractMap.getOrElse(Map.scala:59)
at org.apache.spark.sql.DataFrameWriter.startStream(DataFrameWriter.scala:337)
at org.apache.spark.sql.DataFrameWriter.startStream(DataFrameWriter.scala:277)
... 48 elided
```
This is not so meaningful, so changing to make it more specific.
Local verified.
Author: jerryshao <sshao@hortonworks.com>
Closes #12998 from jerryshao/improve-exception-message.
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`Encoder`'s doc mentions `sqlContext.implicits._`. We should use `sparkSession.implicits._` instead now.
Only doc update.
Author: Liang-Chi Hsieh <simonh@tw.ibm.com>
Closes #13002 from viirya/encoder-doc.
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source tables
## What changes were proposed in this pull request?
This is a follow-up of PR #12844. It makes the newly updated `DescribeTableCommand` to support data sources tables.
## How was this patch tested?
A test case is added to check `DESC [EXTENDED | FORMATTED] <table>` output.
Author: Cheng Lian <lian@databricks.com>
Closes #12934 from liancheng/spark-14127-desc-table-follow-up.
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#### What changes were proposed in this pull request?
As Hive and the major RDBMS behave, the built-in functions are not allowed to drop. In the current implementation, users can drop the built-in functions. However, after dropping the built-in functions, users are unable to add them back.
#### How was this patch tested?
Added a test case.
Author: gatorsmile <gatorsmile@gmail.com>
Closes #12975 from gatorsmile/dropBuildInFunction.
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operations if needed
## What changes were proposed in this pull request?
following operations have file system operation now:
1. CREATE DATABASE: create a dir
2. DROP DATABASE: delete the dir
3. CREATE TABLE: create a dir
4. DROP TABLE: delete the dir
5. RENAME TABLE: rename the dir
6. CREATE PARTITIONS: create a dir
7. RENAME PARTITIONS: rename the dir
8. DROP PARTITIONS: drop the dir
## How was this patch tested?
new tests in `ExternalCatalogSuite`
Author: Wenchen Fan <wenchen@databricks.com>
Closes #12871 from cloud-fan/catalog.
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## What changes were proposed in this pull request?
This detects a relation's partitioning and adds checks to the analyzer.
If an InsertIntoTable node has no partitioning, it is replaced by the
relation's partition scheme and input columns are correctly adjusted,
placing the partition columns at the end in partition order. If an
InsertIntoTable node has partitioning, it is checked against the table's
reported partitions.
These changes required adding a PartitionedRelation trait to the catalog
interface because Hive's MetastoreRelation doesn't extend
CatalogRelation.
This commit also includes a fix to InsertIntoTable's resolved logic,
which now detects that all expected columns are present, including
dynamic partition columns. Previously, the number of expected columns
was not checked and resolved was true if there were missing columns.
## How was this patch tested?
This adds new tests to the InsertIntoTableSuite that are fixed by this PR.
Author: Ryan Blue <blue@apache.org>
Closes #12239 from rdblue/SPARK-14459-detect-hive-partitioning.
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#### What changes were proposed in this pull request?
Currently, if we rename a temp table `Tab1` to another existent temp table `Tab2`. `Tab2` will be silently removed. This PR is to detect it and issue an exception message.
In addition, this PR also detects another issue in the rename table command. When the destination table identifier does have database name, we should not ignore them. That might mean users could rename a regular table.
#### How was this patch tested?
Added two related test cases
Author: gatorsmile <gatorsmile@gmail.com>
Closes #12959 from gatorsmile/rewriteTable.
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Table/Function/Partitions by Rename
#### What changes were proposed in this pull request?
So far, in the implementation of InMemoryCatalog, we do not check if the new/destination table/function/partition exists or not. Thus, we just silently remove the existent table/function/partition.
This PR is to detect them and issue an appropriate exception.
#### How was this patch tested?
Added the related test cases. They also verify if HiveExternalCatalog also detects these errors.
Author: gatorsmile <gatorsmile@gmail.com>
Closes #12960 from gatorsmile/renameInMemoryCatalog.
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## What changes were proposed in this pull request?
The official TPC-DS 41 query currently fails because it contains a scalar subquery with a disjunctive correlated predicate (the correlated predicates were nested in ORs). This makes the `Analyzer` pull out the entire predicate which is wrong and causes the following (correct) analysis exception: `The correlated scalar subquery can only contain equality predicates`
This PR fixes this by first simplifing (or normalizing) the correlated predicates before pulling them out of the subquery.
## How was this patch tested?
Manual testing on TPC-DS 41, and added a test to SubquerySuite.
Author: Herman van Hovell <hvanhovell@questtec.nl>
Closes #12954 from hvanhovell/SPARK-15122.
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## What changes were proposed in this pull request?
Currently when we create an alias against a TypedColumn from user-defined Aggregator(for example: agg(aggSum.toColumn as "a")), spark is using the alias' function from Column( as), the alias function will return a column contains a TypedAggregateExpression, which is unresolved because the inputDeserializer is not defined. Later the aggregator function (agg) will inject the inputDeserializer back to the TypedAggregateExpression, but only if the aggregate columns are TypedColumn, in the above case, the TypedAggregateExpression will remain unresolved because it is under column and caused the
problem reported by this jira [15051](https://issues.apache.org/jira/browse/SPARK-15051?jql=project%20%3D%20SPARK).
This PR propose to create an alias function for TypedColumn, it will return a TypedColumn. It is using the similar code path as Column's alia function.
For the spark build in aggregate function, like max, it is working with alias, for example
val df1 = Seq(1 -> "a", 2 -> "b", 3 -> "b").toDF("i", "j")
checkAnswer(df1.agg(max("j") as "b"), Row(3) :: Nil)
Thanks for comments.
## How was this patch tested?
(Please explain how this patch was tested. E.g. unit tests, integration tests, manual tests)
Add test cases in DatasetAggregatorSuite.scala
run the sql related queries against this patch.
Author: Kevin Yu <qyu@us.ibm.com>
Closes #12893 from kevinyu98/spark-15051.
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there is no partitioning scheme in the given paths
## What changes were proposed in this pull request?
Lets says there are json files in the following directories structure
```
xyz/file0.json
xyz/subdir1/file1.json
xyz/subdir2/file2.json
xyz/subdir1/subsubdir1/file3.json
```
`sqlContext.read.json("xyz")` should read only file0.json according to behavior in Spark 1.6.1. However in current master, all the 4 files are read.
The fix is to make FileCatalog return only the children files of the given path if there is not partitioning detected (instead of all the recursive list of files).
Closes #12774
## How was this patch tested?
unit tests
Author: Tathagata Das <tathagata.das1565@gmail.com>
Closes #12856 from tdas/SPARK-14997.
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#### What changes were proposed in this pull request?
When Describe a UDTF, the command returns a wrong result. The command is unable to find the function, which has been created and cataloged in the catalog but not in the functionRegistry.
This PR is to correct it. If the function is not in the functionRegistry, we will check the catalog for collecting the information of the UDTF function.
#### How was this patch tested?
Added test cases to verify the results
Author: gatorsmile <gatorsmile@gmail.com>
Closes #12885 from gatorsmile/showFunction.
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## What changes were proposed in this pull request?
https://issues.apache.org/jira/browse/SPARK-14962
ORC filters were being pushed down for all types for both `IsNull` and `IsNotNull`.
This is apparently OK because both `IsNull` and `IsNotNull` do not take a type as an argument (Hive 1.2.x) during building filters (`SearchArgument`) in Spark-side but they do not filter correctly because stored statistics always produces `null` for not supported types (eg `ArrayType`) in ORC-side. So, it is always `true` for `IsNull` which ends up with always `false` for `IsNotNull`. (Please see [RecordReaderImpl.java#L296-L318](https://github.com/apache/hive/blob/branch-1.2/ql/src/java/org/apache/hadoop/hive/ql/io/orc/RecordReaderImpl.java#L296-L318) and [RecordReaderImpl.java#L359-L365](https://github.com/apache/hive/blob/branch-1.2/ql/src/java/org/apache/hadoop/hive/ql/io/orc/RecordReaderImpl.java#L359-L365) in Hive 1.2)
This looks prevented in Hive 1.3.x >= by forcing to give a type ([`PredicateLeaf.Type`](https://github.com/apache/hive/blob/e085b7e9bd059d91aaf013df0db4d71dca90ec6f/storage-api/src/java/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.java#L50-L56)) when building a filter ([`SearchArgument`](https://github.com/apache/hive/blob/26b5c7b56a4f28ce3eabc0207566cce46b29b558/storage-api/src/java/org/apache/hadoop/hive/ql/io/sarg/SearchArgument.java#L260)) but Hive 1.2.x seems not doing this.
This PR prevents ORC filter creation for `IsNull` and `IsNotNull` on unsupported types. `OrcFilters` resembles `ParquetFilters`.
## How was this patch tested?
Unittests in `OrcQuerySuite` and `OrcFilterSuite` and `sbt scalastyle`.
Author: hyukjinkwon <gurwls223@gmail.com>
Author: Hyukjin Kwon <gurwls223@gmail.com>
Closes #12777 from HyukjinKwon/SPARK-14962.
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## What changes were proposed in this pull request?
Minor doc and code style fixes
## How was this patch tested?
local build
Author: Jacek Laskowski <jacek@japila.pl>
Closes #12928 from jaceklaskowski/SPARK-15152.
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HiveContext is removed
## What changes were proposed in this pull request?
Enable the test that was disabled when HiveContext was removed.
## How was this patch tested?
Made sure the enabled test passes with the new jar.
Author: Dilip Biswal <dbiswal@us.ibm.com>
Closes #12924 from dilipbiswal/spark-14893.
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binary_classification_metrics_example.py
## What changes were proposed in this pull request?
This issue addresses the comments in SPARK-15031 and also fix java-linter errors.
- Use multiline format in SparkSession builder patterns.
- Update `binary_classification_metrics_example.py` to use `SparkSession`.
- Fix Java Linter errors (in SPARK-13745, SPARK-15031, and so far)
## How was this patch tested?
After passing the Jenkins tests and run `dev/lint-java` manually.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #12911 from dongjoon-hyun/SPARK-15134.
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## What changes were proposed in this pull request?
Went through SparkSession and its members and fixed non-thread-safe classes used by SparkSession
## How was this patch tested?
Existing unit tests
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #12915 from zsxwing/spark-session-thread-safe.
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## What changes were proposed in this pull request?
Removing the `withHiveSupport` method of `SparkSession`, instead use `enableHiveSupport`
## How was this patch tested?
ran tests locally
Author: Sandeep Singh <sandeep@techaddict.me>
Closes #12851 from techaddict/SPARK-15072.
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