| Commit message (Collapse) | Author | Age | Files | Lines |
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This pull request replaces calls to deprecated methods from `java.util.Date` with near-equivalents in `java.util.Calendar`.
Author: Tor Myklebust <tmyklebu@gmail.com>
Closes #4668 from tmyklebu/master and squashes the following commits:
66215b1 [Tor Myklebust] Use GregorianCalendar instead of Timestamp get methods.
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Although we've migrated to the DataFrame API, lots of code still uses `rdd` or `srdd` as local variable names. This PR tries to address these naming inconsistencies and some other minor DataFrame related style issues.
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Author: Cheng Lian <lian@databricks.com>
Closes #4670 from liancheng/df-cleanup and squashes the following commits:
3e14448 [Cheng Lian] Cleans up DataFrame variable names and toDF() calls
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JIRA: https://issues.apache.org/jira/browse/SPARK-5723
Author: Yin Huai <yhuai@databricks.com>
This patch had conflicts when merged, resolved by
Committer: Michael Armbrust <michael@databricks.com>
Closes #4639 from yhuai/defaultCTASFileFormat and squashes the following commits:
a568137 [Yin Huai] Merge remote-tracking branch 'upstream/master' into defaultCTASFileFormat
ad2b07d [Yin Huai] Update tests and error messages.
8af5b2a [Yin Huai] Update conf key and unit test.
5a67903 [Yin Huai] Use data source write path for Hive's CTAS statements when no storage format/handler is specified.
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aggregates or generators
https://issues.apache.org/jira/browse/SPARK-5875 has a case to reproduce the bug and explain the root cause.
Author: Yin Huai <yhuai@databricks.com>
Closes #4663 from yhuai/projectResolved and squashes the following commits:
472f7b6 [Yin Huai] If a logical.Project has any AggregateExpression or Generator, it's resolved field should be false.
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table to a data source parquet table.
The problem is that after we create an empty hive metastore parquet table (e.g. `CREATE TABLE test (a int) STORED AS PARQUET`), Hive will create an empty dir for us, which cause our data source `ParquetRelation2` fail to get the schema of the table. See JIRA for the case to reproduce the bug and the exception.
This PR is based on #4562 from chenghao-intel.
JIRA: https://issues.apache.org/jira/browse/SPARK-5852
Author: Yin Huai <yhuai@databricks.com>
Author: Cheng Hao <hao.cheng@intel.com>
Closes #4655 from yhuai/CTASParquet and squashes the following commits:
b8b3450 [Yin Huai] Update tests.
2ac94f7 [Yin Huai] Update tests.
3db3d20 [Yin Huai] Minor update.
d7e2308 [Yin Huai] Revert changes in HiveMetastoreCatalog.scala.
36978d1 [Cheng Hao] Update the code as feedback
a04930b [Cheng Hao] fix bug of scan an empty parquet based table
442ffe0 [Cheng Hao] passdown the schema for Parquet File in HiveContext
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Author: Michael Armbrust <michael@databricks.com>
Closes #4657 from marmbrus/pythonUdfs and squashes the following commits:
a7823a8 [Michael Armbrust] [SPARK-5868][SQL] Fix python UDFs in HiveContext and checks in SQLContext
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In unit test, the table src(key INT, value STRING) is not the same as HIVE src(key STRING, value STRING)
https://github.com/apache/hive/blob/branch-0.13/data/scripts/q_test_init.sql
And in the reflect.q, test failed for expression `reflect("java.lang.Integer", "valueOf", key, 16)`, which expect the argument `key` as STRING not INT.
This PR doesn't aim to change the `src` schema, we can do that after 1.3 released, however, we probably need to re-generate all the golden files.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #4584 from chenghao-intel/reflect and squashes the following commits:
e5bdc3a [Cheng Hao] Move the test case reflect into blacklist
184abfd [Cheng Hao] revert the change to table src1
d9bcf92 [Cheng Hao] Update the HiveContext Unittest
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Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #4649 from viirya/use_checkpath and squashes the following commits:
0f9a1a1 [Liang-Chi Hsieh] Use same function to check path parameter.
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Current `ParquetConversions` in `HiveMetastoreCatalog` will transformUp the given plan multiple times if there are many Metastore Parquet tables. Since the transformUp operation is recursive, it should be better to only perform it once.
Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #4651 from viirya/parquet_atonce and squashes the following commits:
c1ed29d [Liang-Chi Hsieh] Fix bug.
e0f919b [Liang-Chi Hsieh] Only transformUp the given plan once.
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Author: Michael Armbrust <michael@databricks.com>
Closes #4642 from marmbrus/docs and squashes the following commits:
d291c34 [Michael Armbrust] python tests
9be66e3 [Michael Armbrust] comments
d56afc2 [Michael Armbrust] fix style
f004747 [Michael Armbrust] fix build
c4a907b [Michael Armbrust] fix tests
42e2b73 [Michael Armbrust] [SQL] Documentation / API Clean-up.
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Author: Reynold Xin <rxin@databricks.com>
Closes #4640 from rxin/SPARK-5853 and squashes the following commits:
9c6f569 [Reynold Xin] [SPARK-5853][SQL] Schema support in Row.
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Added a bunch of tags.
Also changed parquetFile to take varargs rather than a string followed by varargs.
Author: Reynold Xin <rxin@databricks.com>
Closes #4636 from rxin/df-doc and squashes the following commits:
651f80c [Reynold Xin] Fixed parquetFile in PySpark.
8dc3024 [Reynold Xin] [SQL] Various DataFrame doc changes.
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This PR adds a `ShowTablesCommand` to support `SHOW TABLES [IN databaseName]` SQL command. The result of `SHOW TABLE` has two columns, `tableName` and `isTemporary`. For temporary tables, the value of `isTemporary` column will be `false`.
JIRA: https://issues.apache.org/jira/browse/SPARK-4865
Author: Yin Huai <yhuai@databricks.com>
Closes #4618 from yhuai/showTablesCommand and squashes the following commits:
0c09791 [Yin Huai] Use ShowTablesCommand.
85ee76d [Yin Huai] Since SHOW TABLES is not a Hive native command any more and we will not see "OK" (originally generated by Hive's driver), use SHOW DATABASES in the test.
94bacac [Yin Huai] Add SHOW TABLES to the list of noExplainCommands.
d71ed09 [Yin Huai] Fix test.
a4a6ec3 [Yin Huai] Add SHOW TABLE command.
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Existing implementation of arithmetic operators and BinaryComparison operators have redundant type checking codes, e.g.:
Expression.n2 is used by Add/Subtract/Multiply.
(1) n2 always checks left.dataType == right.dataType. However, this checking should be done once when we resolve expression types;
(2) n2 requires dataType is a NumericType. This can be done once.
This PR optimizes arithmetic and predicate operators by removing such redundant type-checking codes.
Some preliminary benchmarking on 10G TPC-H data over 5 r3.2xlarge EC2 machines shows that this PR can reduce the query time by 5.5% to 11%.
The benchmark queries follow the template below, where OP is plus/minus/times/divide/remainder/bitwise and/bitwise or/bitwise xor.
SELECT l_returnflag, l_linestatus, SUM(l_quantity OP cnt1), SUM(l_quantity OP cnt2), ...., SUM(l_quantity OP cnt700)
FROM (
SELECT l_returnflag, l_linestatus, l_quantity, 1 AS cnt1, 2 AS cnt2, ..., 700 AS cnt700
FROM lineitem
WHERE l_shipdate <= '1998-09-01'
)
GROUP BY l_returnflag, l_linestatus;
Author: kai <kaizeng@eecs.berkeley.edu>
Closes #4472 from kai-zeng/arithmetic-optimize and squashes the following commits:
fef0cf1 [kai] Merge branch 'master' of github.com:apache/spark into arithmetic-optimize
4b3a1bb [kai] chmod a-x
5a41e49 [kai] chmod a-x Expression.scala
cb37c94 [kai] rebase onto spark master
7f6e968 [kai] chmod 100755 -> 100644
6cddb46 [kai] format
7490dbc [kai] fix unresolved-expression exception for EqualTo
9c40bc0 [kai] fix bitwisenot
3cbd363 [kai] clean up test code
ca47801 [kai] override evalInternal for bitwise ops
8fa84a1 [kai] add bitwise or and xor
6892fc4 [kai] revert override evalInternal
f8eba24 [kai] override evalInternal
31ccdd4 [kai] rewrite all bitwise op and remove evalInternal
86297e2 [kai] generalized
cb92ae1 [kai] bitwise-and: override eval
97a7d6c [kai] bitwise-and: override evalInternal using and func
0906c39 [kai] add bitwise test
62abbbc [kai] clean up predicate and arithmetic
b34d58d [kai] add caching and benmark option
12c5b32 [kai] override eval
1cd7571 [kai] fix sqrt and maxof
03fd0c3 [kai] fix predicate
16fd84c [kai] optimize + - * / % -(unary) abs < > <= >=
fd95823 [kai] remove unnecessary type checking
24d062f [kai] test suite
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aliases of data source tables.
JIRA: https://issues.apache.org/jira/browse/SPARK-5839
Author: Yin Huai <yhuai@databricks.com>
Closes #4626 from yhuai/SPARK-5839 and squashes the following commits:
f779d85 [Yin Huai] Use subqeury to wrap replaced ParquetRelation.
2695f13 [Yin Huai] Merge remote-tracking branch 'upstream/master' into SPARK-5839
f1ba6ca [Yin Huai] Address comment.
2c7fa08 [Yin Huai] Use Subqueries to wrap a data source table.
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JIRA: https://issues.apache.org/jira/browse/SPARK-5746
liancheng marmbrus
Author: Yin Huai <yhuai@databricks.com>
Closes #4617 from yhuai/insertOverwrite and squashes the following commits:
8e3019d [Yin Huai] Fix compilation error.
499e8e7 [Yin Huai] Merge remote-tracking branch 'upstream/master' into insertOverwrite
e76e85a [Yin Huai] Address comments.
ac31b3c [Yin Huai] Merge remote-tracking branch 'upstream/master' into insertOverwrite
f30bdad [Yin Huai] Use toDF.
99da57e [Yin Huai] Merge remote-tracking branch 'upstream/master' into insertOverwrite
6b7545c [Yin Huai] Add a pre write check to the data source API.
a88c516 [Yin Huai] DDLParser will take a parsering function to take care CTAS statements.
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Lifts `HiveMetastoreCatalog.refreshTable` to `Catalog`. Adds `RefreshTable` command to refresh (possibly cached) metadata in external data sources tables.
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Author: Cheng Lian <lian@databricks.com>
Closes #4624 from liancheng/refresh-table and squashes the following commits:
8d1aa4c [Cheng Lian] Adds REFRESH TABLE command
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This PR adds the following filter types for data sources API:
- `IsNull`
- `IsNotNull`
- `Not`
- `And`
- `Or`
The code which converts Catalyst predicate expressions to data sources filters is very similar to filter conversion logics in `ParquetFilters` which converts Catalyst predicates to Parquet filter predicates. In this way we can support nested AND/OR/NOT predicates without changing current `BaseScan` type hierarchy.
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Author: Cheng Lian <lian@databricks.com>
This patch had conflicts when merged, resolved by
Committer: Michael Armbrust <michael@databricks.com>
Closes #4623 from liancheng/more-fiters and squashes the following commits:
1b296f4 [Cheng Lian] Add more filter types for data sources API
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before this change:
```scala
Time taken: 0.619 seconds
```
after this change :
```scala
Time taken: 0.619 seconds, Fetched: 4 row(s)
```
Author: OopsOutOfMemory <victorshengli@126.com>
Closes #4604 from OopsOutOfMemory/rowcount and squashes the following commits:
7252dea [OopsOutOfMemory] add fetched row count
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Author: Michael Armbrust <michael@databricks.com>
Closes #4587 from marmbrus/position and squashes the following commits:
0810052 [Michael Armbrust] fix tests
395c019 [Michael Armbrust] Merge remote-tracking branch 'marmbrus/position' into position
e155dce [Michael Armbrust] more errors
f3efa51 [Michael Armbrust] Update AnalysisException.scala
d45ff60 [Michael Armbrust] [SQL] Initial support for reporting location of error in sql string
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Author: Daoyuan Wang <daoyuan.wang@intel.com>
Closes #4609 from adrian-wang/ctas and squashes the following commits:
0a75d5a [Daoyuan Wang] reorder import
93d1863 [Daoyuan Wang] add null format in ctas and set default col comment to null
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When profiling the Join / Aggregate queries via VisualVM, I noticed lots of `SpecificMutableRow` objects created, as well as the `MutableValue`, since the `SpecificMutableRow` are mostly used in data source implementation, but the `copy` method could be called multiple times in upper modules (e.g. in Join / aggregation etc.), duplicated instances created should be avoid.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #4619 from chenghao-intel/specific_mutable_row and squashes the following commits:
9300d23 [Cheng Hao] update the SpecificMutableRow.copy
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Compute aggregation function on specified numeric columns. For example:
val df = Seq(("a", 1, 0, "b"), ("b", 2, 4, "c"), ("a", 2, 3, "d")).toDataFrame("key", "value1", "value2", "rest")
df.groupBy("key").min("value2")
Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #4592 from viirya/specific_cols_agg and squashes the following commits:
9446896 [Liang-Chi Hsieh] For comments.
314c4cd [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into specific_cols_agg
353fad7 [Liang-Chi Hsieh] For python unit tests.
54ed0c4 [Liang-Chi Hsieh] Address comments.
b079e6b [Liang-Chi Hsieh] Remove duplicate codes.
55100fb [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into specific_cols_agg
880c2ac [Liang-Chi Hsieh] Fix Python style checks.
4c63a01 [Liang-Chi Hsieh] Fix pyspark.
b1a24fc [Liang-Chi Hsieh] Address comments.
2592f29 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into specific_cols_agg
27069c3 [Liang-Chi Hsieh] Combine functions and add varargs annotation.
371a3f7 [Liang-Chi Hsieh] Compute aggregation function on specified numeric columns.
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introduced write support for data source API
This PR migrates the Parquet data source to the new data source write support API. Now users can also overwriting and appending to existing tables. Notice that inserting into partitioned tables is not supported yet.
When Parquet data source is enabled, insertion to Hive Metastore Parquet tables is also fullfilled by the Parquet data source. This is done by the newly introduced `HiveMetastoreCatalog.ParquetConversions` rule, which is a "proper" implementation of the original hacky `HiveStrategies.ParquetConversion`. The latter is still preserved, and can be removed together with the old Parquet support in the future.
TODO:
- [x] Update outdated comments in `newParquet.scala`.
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Author: Cheng Lian <lian@databricks.com>
Closes #4563 from liancheng/parquet-refining and squashes the following commits:
fa98d27 [Cheng Lian] Fixes test cases which should disable off Parquet data source
2476e82 [Cheng Lian] Fixes compilation error introduced during rebasing
a83d290 [Cheng Lian] Passes Hive Metastore partitioning information to ParquetRelation2
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consistency
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Author: Cheng Lian <lian@databricks.com>
Closes #4613 from liancheng/df-implicit-rename and squashes the following commits:
db8bdd3 [Cheng Lian] Renames stringRddToDataFrame to stringRddToDataFrameHolder for consistency
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If one tries an example by using copy&paste, throw an exception.
Author: Takeshi Yamamuro <linguin.m.s@gmail.com>
Closes #4615 from maropu/AddMissingImportInSqlContext and squashes the following commits:
ab21b66 [Takeshi Yamamuro] Add missing import in the example of SqlContext
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- The old implicit would convert RDDs directly to DataFrames, and that added too many methods.
- toDataFrame -> toDF
- Dsl -> functions
- implicits moved into SQLContext.implicits
- addColumn -> withColumn
- renameColumn -> withColumnRenamed
Python changes:
- toDataFrame -> toDF
- Dsl -> functions package
- addColumn -> withColumn
- renameColumn -> withColumnRenamed
- add toDF functions to RDD on SQLContext init
- add flatMap to DataFrame
Author: Reynold Xin <rxin@databricks.com>
Author: Davies Liu <davies@databricks.com>
Closes #4556 from rxin/SPARK-5752 and squashes the following commits:
5ef9910 [Reynold Xin] More fix
61d3fca [Reynold Xin] Merge branch 'df5' of github.com:davies/spark into SPARK-5752
ff5832c [Reynold Xin] Fix python
749c675 [Reynold Xin] count(*) fixes.
5806df0 [Reynold Xin] Fix build break again.
d941f3d [Reynold Xin] Fixed explode compilation break.
fe1267a [Davies Liu] flatMap
c4afb8e [Reynold Xin] style
d9de47f [Davies Liu] add comment
b783994 [Davies Liu] add comment for toDF
e2154e5 [Davies Liu] schema() -> schema
3a1004f [Davies Liu] Dsl -> functions, toDF()
fb256af [Reynold Xin] - toDataFrame -> toDF - Dsl -> functions - implicits moved into SQLContext.implicits - addColumn -> withColumn - renameColumn -> withColumnRenamed
0dd74eb [Reynold Xin] [SPARK-5752][SQL] Don't implicitly convert RDDs directly to DataFrames
97dd47c [Davies Liu] fix mistake
6168f74 [Davies Liu] fix test
1fc0199 [Davies Liu] fix test
a075cd5 [Davies Liu] clean up, toPandas
663d314 [Davies Liu] add test for agg('*')
9e214d5 [Reynold Xin] count(*) fixes.
1ed7136 [Reynold Xin] Fix build break again.
921b2e3 [Reynold Xin] Fixed explode compilation break.
14698d4 [Davies Liu] flatMap
ba3e12d [Reynold Xin] style
d08c92d [Davies Liu] add comment
5c8b524 [Davies Liu] add comment for toDF
a4e5e66 [Davies Liu] schema() -> schema
d377fc9 [Davies Liu] Dsl -> functions, toDF()
6b3086c [Reynold Xin] - toDataFrame -> toDF - Dsl -> functions - implicits moved into SQLContext.implicits - addColumn -> withColumn - renameColumn -> withColumnRenamed
807e8b1 [Reynold Xin] [SPARK-5752][SQL] Don't implicitly convert RDDs directly to DataFrames
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encounters unrecoverable parsing errors.
Author: Yin Huai <yhuai@databricks.com>
Closes #4582 from yhuai/jsonErrorMessage and squashes the following commits:
152dbd4 [Yin Huai] Update error message.
1466256 [Yin Huai] Throw a better error message when a JSON object in the input dataset span multiple records (lines for files or strings for an RDD of strings).
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select k from (select key k, max(value) v from src group by k) t
Author: Daoyuan Wang <daoyuan.wang@intel.com>
Author: Michael Armbrust <michael@databricks.com>
Closes #4415 from adrian-wang/groupprune and squashes the following commits:
5d2d8a3 [Daoyuan Wang] address Michael's comments
61f8ef7 [Daoyuan Wang] add a unit test
80ddcc6 [Daoyuan Wang] keep project
b69d385 [Daoyuan Wang] add a prune rule for grouping set
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This PR fix the issue SPARK-3365.
The reason is Spark generated wrong schema for the type `List` in `ScalaReflection.scala`
for example:
the generated schema for type `Seq[String]` is:
```
{"name":"x","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}}`
```
the generated schema for type `List[String]` is:
```
{"name":"x","type":{"type":"struct","fields":[]},"nullable":true,"metadata":{}}`
```
Author: tianyi <tianyi.asiainfo@gmail.com>
Closes #4581 from tianyi/SPARK-3365 and squashes the following commits:
a097e86 [tianyi] change the order of resolution in ScalaReflection.scala
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Author: Yin Huai <yhuai@databricks.com>
Closes #4579 from yhuai/tablesDoc and squashes the following commits:
7f8964c [Yin Huai] Fix doc.
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https://issues.apache.org/jira/browse/SPARK-3299
Author: Yin Huai <yhuai@databricks.com>
Closes #4547 from yhuai/tables and squashes the following commits:
6c8f92e [Yin Huai] Add tableNames.
acbb281 [Yin Huai] Update Python test.
7793dcb [Yin Huai] Fix scala test.
572870d [Yin Huai] Address comments.
aba2e88 [Yin Huai] Format.
12c86df [Yin Huai] Add tables() to SQLContext to return a DataFrame containing existing tables.
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Author: Yin Huai <yhuai@databricks.com>
Closes #4542 from yhuai/moveSaveMode and squashes the following commits:
65a4425 [Yin Huai] Move SaveMode to sql package.
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explain extended select +key from src;
before:
== Parsed Logical Plan ==
'Project [(0 + 'key) AS _c0#8]
'UnresolvedRelation [src], None
== Analyzed Logical Plan ==
Project [(0 + key#10) AS _c0#8]
MetastoreRelation test, src, None
== Optimized Logical Plan ==
Project [(0 + key#10) AS _c0#8]
MetastoreRelation test, src, None
== Physical Plan ==
Project [(0 + key#10) AS _c0#8]
HiveTableScan [key#10], (MetastoreRelation test, src, None), None
after this patch:
== Parsed Logical Plan ==
'Project ['key]
'UnresolvedRelation [src], None
== Analyzed Logical Plan ==
Project [key#10]
MetastoreRelation test, src, None
== Optimized Logical Plan ==
Project [key#10]
MetastoreRelation test, src, None
== Physical Plan ==
HiveTableScan [key#10], (MetastoreRelation test, src, None), None
Author: Daoyuan Wang <daoyuan.wang@intel.com>
Closes #4551 from adrian-wang/positive and squashes the following commits:
0821ae4 [Daoyuan Wang] remove unnecessary Add
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Author: Michael Armbrust <michael@databricks.com>
Closes #4546 from marmbrus/explode and squashes the following commits:
eefd33a [Michael Armbrust] whitespace
a8d496c [Michael Armbrust] Merge remote-tracking branch 'apache/master' into explode
4af740e [Michael Armbrust] Merge remote-tracking branch 'origin/master' into explode
dc86a5c [Michael Armbrust] simple version
d633d01 [Michael Armbrust] add scala specific
950707a [Michael Armbrust] fix comments
ba8854c [Michael Armbrust] [SPARK-5573][SQL] Add explode to dataframes
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schema inference.
Author: Yin Huai <yhuai@databricks.com>
Closes #4544 from yhuai/jsonUseLongTypeByDefault and squashes the following commits:
6e2ffc2 [Yin Huai] Use LongType as the default type for integers in JSON schema inference.
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Author: Michael Armbrust <michael@databricks.com>
Author: wangfei <wangfei1@huawei.com>
Closes #4558 from marmbrus/errorMessages and squashes the following commits:
5e5ab50 [Michael Armbrust] Merge pull request #15 from scwf/errorMessages
fa38881 [wangfei] fix for grouping__id
f279a71 [wangfei] make right references for ScriptTransformation
d29fbde [Michael Armbrust] extra case
1a797b4 [Michael Armbrust] comments
d4e9015 [Michael Armbrust] add comment
af9e668 [Michael Armbrust] no braces
34eb3a4 [Michael Armbrust] more work
6197cd5 [Michael Armbrust] [SQL] Better error messages for analysis failures
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Eases use in the spark-shell.
Author: Michael Armbrust <michael@databricks.com>
Closes #4545 from marmbrus/serialization and squashes the following commits:
04748e6 [Michael Armbrust] @scala.annotation.varargs
b36e219 [Michael Armbrust] moreFixes
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- Removed DataFrame.apply for projection & filtering since they are extremely confusing.
- Added implicits for RDD[Int], RDD[Long], and RDD[String]
Author: Reynold Xin <rxin@databricks.com>
Closes #4543 from rxin/df-cleanup and squashes the following commits:
81ec915 [Reynold Xin] [SQL] More DataFrame fixes.
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As a follow-up to https://github.com/apache/spark/pull/4524
Author: Reynold Xin <rxin@databricks.com>
Closes #4539 from rxin/SPARK-3688 and squashes the following commits:
5ac56c7 [Reynold Xin] exists
da8eea4 [Reynold Xin] [SPARK-3688][SQL] More inline comments for LogicalPlan.
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This PR fixed the resolving problem described in https://issues.apache.org/jira/browse/SPARK-3688
```
CREATE TABLE t1(x INT);
CREATE TABLE t2(a STRUCT<x: INT>, k INT);
SELECT a.x FROM t1 a JOIN t2 b ON a.x = b.k;
```
Author: tianyi <tianyi.asiainfo@gmail.com>
Closes #4524 from tianyi/SPARK-3688 and squashes the following commits:
237a256 [tianyi] resolve a name with table.column pattern first.
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Also I fix a bunch of bad output in test cases.
Author: Michael Armbrust <michael@databricks.com>
Closes #4520 from marmbrus/selfJoin and squashes the following commits:
4f4a85c [Michael Armbrust] comments
49c8e26 [Michael Armbrust] fix tests
6fc38de [Michael Armbrust] fix style
55d64b3 [Michael Armbrust] fix dataframe selfjoins
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1. DataFrame.renameColumn
2. DataFrame.show() and _repr_
3. Use simpleString() rather than jsonValue in DataFrame.dtypes
4. createDataFrame from local Python data, including pandas.DataFrame
Author: Davies Liu <davies@databricks.com>
Closes #4528 from davies/df3 and squashes the following commits:
014acea [Davies Liu] fix typo
6ba526e [Davies Liu] fix tests
46f5f95 [Davies Liu] address comments
6cbc154 [Davies Liu] dataframe.show() and improve dtypes
6f94f25 [Davies Liu] create DataFrame from local Python data
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Also took the chance to fixed up some style ...
Author: Reynold Xin <rxin@databricks.com>
Closes #4489 from rxin/SPARK-5702 and squashes the following commits:
74f42e3 [Reynold Xin] [SPARK-5702][SQL] Allow short names for built-in data sources.
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Do not recursively strip out projects. Only strip the first level project.
```scala
df("colA") + df("colB").as("colC")
```
Previously, the above would construct an invalid plan.
Author: Reynold Xin <rxin@databricks.com>
Closes #4519 from rxin/computability and squashes the following commits:
87ff763 [Reynold Xin] Code review feedback.
015c4fc [Reynold Xin] [SQL][DataFrame] Fix column computability.
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Author: Cheng Hao <hao.cheng@intel.com>
Closes #4496 from chenghao-intel/df_explain and squashes the following commits:
552aa58 [Cheng Hao] Add explain support for DF
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Deprecate inferSchema() and applySchema(), use createDataFrame() instead, which could take an optional `schema` to create an DataFrame from an RDD. The `schema` could be StructType or list of names of columns.
Author: Davies Liu <davies@databricks.com>
Closes #4498 from davies/create and squashes the following commits:
08469c1 [Davies Liu] remove Scala/Java API for now
c80a7a9 [Davies Liu] fix hive test
d1bd8f2 [Davies Liu] cleanup applySchema
9526e97 [Davies Liu] createDataFrame from RDD with columns
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