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* [SPARK-16866][SQL] Infrastructure for file-based SQL end-to-end testspetermaxlee2016-08-101-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? This patch introduces SQLQueryTestSuite, a basic framework for end-to-end SQL test cases defined in spark/sql/core/src/test/resources/sql-tests. This is a more standard way to test SQL queries end-to-end in different open source database systems, because it is more manageable to work with files. This is inspired by HiveCompatibilitySuite, but simplified for general Spark SQL tests. Once this is merged, I can work towards porting SQLQuerySuite over, and eventually also move the existing HiveCompatibilitySuite to use this framework. Unlike HiveCompatibilitySuite, SQLQueryTestSuite compares both the output schema and the output data (in string form). When there is a mismatch, the error message looks like the following: ``` [info] - blacklist.sql !!! IGNORED !!! [info] - number-format.sql *** FAILED *** (2 seconds, 405 milliseconds) [info] Expected "...147483648 -214748364[8]", but got "...147483648 -214748364[9]" Result should match for query #1 (SQLQueryTestSuite.scala:171) [info] org.scalatest.exceptions.TestFailedException: [info] at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:495) [info] at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1555) [info] at org.scalatest.Assertions$class.assertResult(Assertions.scala:1171) ``` ## How was this patch tested? This is a test infrastructure change. Author: petermaxlee <petermaxlee@gmail.com> Closes #14472 from petermaxlee/SPARK-16866.
* [SPARK-16959][SQL] Rebuild Table Comment when Retrieving Metadata from Hive ↵gatorsmile2016-08-101-2/+5
| | | | | | | | | | | | | | | | Metastore ### What changes were proposed in this pull request? The `comment` in `CatalogTable` returned from Hive is always empty. We store it in the table property when creating a table. However, when we try to retrieve the table metadata from Hive metastore, we do not rebuild it. The `comment` is always empty. This PR is to fix the issue. ### How was this patch tested? Fixed the test case to verify the change. Author: gatorsmile <gatorsmile@gmail.com> Closes #14550 from gatorsmile/tableComment.
* [SPARK-16905] SQL DDL: MSCK REPAIR TABLEDavies Liu2016-08-091-2/+8
| | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? MSCK REPAIR TABLE could be used to recover the partitions in external catalog based on partitions in file system. Another syntax is: ALTER TABLE table RECOVER PARTITIONS The implementation in this PR will only list partitions (not the files with a partition) in driver (in parallel if needed). ## How was this patch tested? Added unit tests for it and Hive compatibility test suite. Author: Davies Liu <davies@databricks.com> Closes #14500 from davies/repair_table.
* [SPARK-16610][SQL] Add `orc.compress` as an alias for `compression` option.hyukjinkwon2016-08-091-0/+23
| | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? For ORC source, Spark SQL has a writer option `compression`, which is used to set the codec and its value will be also set to `orc.compress` (the orc conf used for codec). However, if a user only set `orc.compress` in the writer option, we should not use the default value of `compression` (snappy) as the codec. Instead, we should respect the value of `orc.compress`. This PR makes ORC data source not ignoring `orc.compress` when `comperssion` is unset. So, here is the behaviour, 1. Check `compression` and use this if it is set. 2. If `compression` is not set, check `orc.compress` and use it. 3. If `compression` and `orc.compress` are not set, then use the default snappy. ## How was this patch tested? Unit test in `OrcQuerySuite`. Author: hyukjinkwon <gurwls223@gmail.com> Closes #14518 from HyukjinKwon/SPARK-16610.
* [SPARK-16779][TRIVIAL] Avoid using postfix operators where they do not add ↵Holden Karau2016-08-081-1/+2
| | | | | | | | | | | | | | | | much and remove whitelisting ## What changes were proposed in this pull request? Avoid using postfix operation for command execution in SQLQuerySuite where it wasn't whitelisted and audit existing whitelistings removing postfix operators from most places. Some notable places where postfix operation remains is in the XML parsing & time units (seconds, millis, etc.) where it arguably can improve readability. ## How was this patch tested? Existing tests. Author: Holden Karau <holden@us.ibm.com> Closes #14407 from holdenk/SPARK-16779.
* [SPARK-16457][SQL] Fix Wrong Messages when CTAS with a Partition By Clausegatorsmile2016-08-081-10/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | #### What changes were proposed in this pull request? When doing a CTAS with a Partition By clause, we got a wrong error message. For example, ```SQL CREATE TABLE gen__tmp PARTITIONED BY (key string) AS SELECT key, value FROM mytable1 ``` The error message we get now is like ``` Operation not allowed: Schema may not be specified in a Create Table As Select (CTAS) statement(line 2, pos 0) ``` However, based on the code, the message we should get is like ``` Operation not allowed: A Create Table As Select (CTAS) statement is not allowed to create a partitioned table using Hive's file formats. Please use the syntax of "CREATE TABLE tableName USING dataSource OPTIONS (...) PARTITIONED BY ...\" to create a partitioned table through a CTAS statement.(line 2, pos 0) ``` Currently, partitioning columns is part of the schema. This PR fixes the bug by changing the detection orders. #### How was this patch tested? Added test cases. Author: gatorsmile <gatorsmile@gmail.com> Closes #14113 from gatorsmile/ctas.
* [SPARK-16901] Hive settings in hive-site.xml may be overridden by Hive's ↵Yin Huai2016-08-051-0/+80
| | | | | | | | | | | | | | | | default values ## What changes were proposed in this pull request? When we create the HiveConf for metastore client, we use a Hadoop Conf as the base, which may contain Hive settings in hive-site.xml (https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala#L49). However, HiveConf's initialize function basically ignores the base Hadoop Conf and always its default values (i.e. settings with non-null default values) as the base (https://github.com/apache/hive/blob/release-1.2.1/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java#L2687). So, even a user put javax.jdo.option.ConnectionURL in hive-site.xml, it is not used and Hive will use its default, which is jdbc:derby:;databaseName=metastore_db;create=true. This issue only shows up when `spark.sql.hive.metastore.jars` is not set to builtin. ## How was this patch tested? New test in HiveSparkSubmitSuite. Author: Yin Huai <yhuai@databricks.com> Closes #14497 from yhuai/SPARK-16901.
* [SPARK-16879][SQL] unify logical plans for CREATE TABLE and CTASWenchen Fan2016-08-052-3/+10
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? we have various logical plans for CREATE TABLE and CTAS: `CreateTableUsing`, `CreateTableUsingAsSelect`, `CreateHiveTableAsSelectLogicalPlan`. This PR unifies them to reduce the complexity and centralize the error handling. ## How was this patch tested? existing tests Author: Wenchen Fan <wenchen@databricks.com> Closes #14482 from cloud-fan/table.
* [SPARK-16867][SQL] createTable and alterTable in ExternalCatalog should not ↵Wenchen Fan2016-08-041-1/+1
| | | | | | | | | | | | | | | | take db ## What changes were proposed in this pull request? These 2 methods take `CatalogTable` as parameter, which already have the database information. ## How was this patch tested? existing test Author: Wenchen Fan <wenchen@databricks.com> Closes #14476 from cloud-fan/minor5.
* [SPARK-16596] [SQL] Refactor DataSourceScanExec to do partition discovery at ↵Eric Liang2016-08-032-4/+4
| | | | | | | | | | | | | | | | | | | | execution instead of planning time ## What changes were proposed in this pull request? Partition discovery is rather expensive, so we should do it at execution time instead of during physical planning. Right now there is not much benefit since ListingFileCatalog will read scan for all partitions at planning time anyways, but this can be optimized in the future. Also, there might be more information for partition pruning not available at planning time. This PR moves a lot of the file scan logic from planning to execution time. All file scan operations are handled by `FileSourceScanExec`, which handles both batched and non-batched file scans. This requires some duplication with `RowDataSourceScanExec`, but is probably worth it so that `FileSourceScanExec` does not need to depend on an input RDD. TODO: In another pr, move DataSourceScanExec to it's own file. ## How was this patch tested? Existing tests (it might be worth adding a test that catalog.listFiles() is delayed until execution, but this can be delayed until there is an actual benefit to doing so). Author: Eric Liang <ekl@databricks.com> Closes #14241 from ericl/refactor.
* [SPARK-16858][SQL][TEST] Removal of TestHiveSharedStategatorsmile2016-08-021-1/+1
| | | | | | | | | | | | | | ### What changes were proposed in this pull request? This PR is to remove `TestHiveSharedState`. Also, this is also associated with the Hive refractoring for removing `HiveSharedState`. ### How was this patch tested? The existing test cases Author: gatorsmile <gatorsmile@gmail.com> Closes #14463 from gatorsmile/removeTestHiveSharedState.
* [SPARK-16793][SQL] Set the temporary warehouse path to sc'conf in TestHive.jiangxingbo2016-08-012-2/+2
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? With SPARK-15034, we could use the value of spark.sql.warehouse.dir to set the warehouse location. In TestHive, we can now simply set the temporary warehouse path in sc's conf, and thus, param "warehousePath" could be removed. ## How was this patch tested? exsiting testsuites. Author: jiangxingbo <jiangxingbo@meituan.com> Closes #14401 from jiangxb1987/warehousePath.
* [SPARK-16731][SQL] use StructType in CatalogTable and remove CatalogColumnWenchen Fan2016-07-314-25/+25
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? `StructField` has very similar semantic with `CatalogColumn`, except that `CatalogColumn` use string to express data type. I think it's reasonable to use `StructType` as the `CatalogTable.schema` and remove `CatalogColumn`. ## How was this patch tested? existing tests. Author: Wenchen Fan <wenchen@databricks.com> Closes #14363 from cloud-fan/column.
* [SPARK-16552][SQL] Store the Inferred Schemas into External Catalog Tables ↵gatorsmile2016-07-281-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | when Creating Tables #### What changes were proposed in this pull request? Currently, in Spark SQL, the initial creation of schema can be classified into two groups. It is applicable to both Hive tables and Data Source tables: **Group A. Users specify the schema.** _Case 1 CREATE TABLE AS SELECT_: the schema is determined by the result schema of the SELECT clause. For example, ```SQL CREATE TABLE tab STORED AS TEXTFILE AS SELECT * from input ``` _Case 2 CREATE TABLE_: users explicitly specify the schema. For example, ```SQL CREATE TABLE jsonTable (_1 string, _2 string) USING org.apache.spark.sql.json ``` **Group B. Spark SQL infers the schema at runtime.** _Case 3 CREATE TABLE_. Users do not specify the schema but the path to the file location. For example, ```SQL CREATE TABLE jsonTable USING org.apache.spark.sql.json OPTIONS (path '${tempDir.getCanonicalPath}') ``` Before this PR, Spark SQL does not store the inferred schema in the external catalog for the cases in Group B. When users refreshing the metadata cache, accessing the table at the first time after (re-)starting Spark, Spark SQL will infer the schema and store the info in the metadata cache for improving the performance of subsequent metadata requests. However, the runtime schema inference could cause undesirable schema changes after each reboot of Spark. This PR is to store the inferred schema in the external catalog when creating the table. When users intend to refresh the schema after possible changes on external files (table location), they issue `REFRESH TABLE`. Spark SQL will infer the schema again based on the previously specified table location and update/refresh the schema in the external catalog and metadata cache. In this PR, we do not use the inferred schema to replace the user specified schema for avoiding external behavior changes . Based on the design, user-specified schemas (as described in Group A) can be changed by ALTER TABLE commands, although we do not support them now. #### How was this patch tested? TODO: add more cases to cover the changes. Author: gatorsmile <gatorsmile@gmail.com> Closes #14207 from gatorsmile/userSpecifiedSchema.
* [SPARK-15232][SQL] Add subquery SQL building tests to LogicalPlanToSQLSuiteDongjoon Hyun2016-07-2715-0/+282
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? We currently test subquery SQL building using the `HiveCompatibilitySuite`. The is not desired since SQL building is actually a part of `sql/core` and because we are slowly reducing our dependency on Hive. This PR adds the same tests from the whitelist of `HiveCompatibilitySuite` into `LogicalPlanToSQLSuite`. ## How was this patch tested? This adds more testcases. Pass the Jenkins tests. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #14383 from dongjoon-hyun/SPARK-15232.
* [SPARK-16621][SQL] Generate stable SQLs in SQLBuilderDongjoon Hyun2016-07-27104-109/+106
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Currently, the generated SQLs have not-stable IDs for generated attributes. The stable generated SQL will give more benefit for understanding or testing the queries. This PR provides stable SQL generation by the followings. - Provide unique ids for generated subqueries, `gen_subquery_xxx`. - Provide unique and stable ids for generated attributes, `gen_attr_xxx`. **Before** ```scala scala> new org.apache.spark.sql.catalyst.SQLBuilder(sql("select 1")).toSQL res0: String = SELECT `gen_attr_0` AS `1` FROM (SELECT 1 AS `gen_attr_0`) AS gen_subquery_0 scala> new org.apache.spark.sql.catalyst.SQLBuilder(sql("select 1")).toSQL res1: String = SELECT `gen_attr_4` AS `1` FROM (SELECT 1 AS `gen_attr_4`) AS gen_subquery_0 ``` **After** ```scala scala> new org.apache.spark.sql.catalyst.SQLBuilder(sql("select 1")).toSQL res1: String = SELECT `gen_attr_0` AS `1` FROM (SELECT 1 AS `gen_attr_0`) AS gen_subquery_0 scala> new org.apache.spark.sql.catalyst.SQLBuilder(sql("select 1")).toSQL res2: String = SELECT `gen_attr_0` AS `1` FROM (SELECT 1 AS `gen_attr_0`) AS gen_subquery_0 ``` ## How was this patch tested? Pass the existing Jenkins tests. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #14257 from dongjoon-hyun/SPARK-16621.
* [SPARK-16663][SQL] desc table should be consistent between data source and ↵Wenchen Fan2016-07-263-10/+26
| | | | | | | | | | | | | | | | | | | hive serde tables ## What changes were proposed in this pull request? Currently there are 2 inconsistence: 1. for data source table, we only print partition names, for hive table, we also print partition schema. After this PR, we will always print schema 2. if column doesn't have comment, data source table will print empty string, hive table will print null. After this PR, we will always print null ## How was this patch tested? new test in `HiveDDLSuite` Author: Wenchen Fan <wenchen@databricks.com> Closes #14302 from cloud-fan/minor3.
* [SPARK-16633][SPARK-16642][SPARK-16721][SQL] Fixes three issues related to ↵Yin Huai2016-07-251-370/+0
| | | | | | | | | | | | | | | | | | | | | | | lead and lag functions ## What changes were proposed in this pull request? This PR contains three changes. First, this PR changes the behavior of lead/lag back to Spark 1.6's behavior, which is described as below: 1. lead/lag respect null input values, which means that if the offset row exists and the input value is null, the result will be null instead of the default value. 2. If the offset row does not exist, the default value will be used. 3. OffsetWindowFunction's nullable setting also considers the nullability of its input (because of the first change). Second, this PR fixes the evaluation of lead/lag when the input expression is a literal. This fix is a result of the first change. In current master, if a literal is used as the input expression of a lead or lag function, the result will be this literal even if the offset row does not exist. Third, this PR makes ResolveWindowFrame not fire if a window function is not resolved. ## How was this patch tested? New tests in SQLWindowFunctionSuite Author: Yin Huai <yhuai@databricks.com> Closes #14284 from yhuai/lead-lag.
* [SPARK-16672][SQL] SQLBuilder should not raise exceptions on EXISTS queriesDongjoon Hyun2016-07-252-0/+14
| | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Currently, `SQLBuilder` raises `empty.reduceLeft` exceptions on *unoptimized* `EXISTS` queries. We had better prevent this. ```scala scala> sql("CREATE TABLE t1(a int)") scala> val df = sql("select * from t1 b where exists (select * from t1 a)") scala> new org.apache.spark.sql.catalyst.SQLBuilder(df).toSQL java.lang.UnsupportedOperationException: empty.reduceLeft ``` ## How was this patch tested? Pass the Jenkins tests with a new test suite. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #14307 from dongjoon-hyun/SPARK-16672.
* [SPARK-16678][SPARK-16677][SQL] Fix two View-related bugsgatorsmile2016-07-261-1/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? **Issue 1: Disallow Creating/Altering a View when the same-name Table Exists (without IF NOT EXISTS)** When we create OR alter a view, we check whether the view already exists. In the current implementation, if a table with the same name exists, we treat it as a view. However, this is not the right behavior. We should follow what Hive does. For example, ``` hive> CREATE TABLE tab1 (id int); OK Time taken: 0.196 seconds hive> CREATE OR REPLACE VIEW tab1 AS SELECT * FROM t1; FAILED: SemanticException [Error 10218]: Existing table is not a view The following is an existing table, not a view: default.tab1 hive> ALTER VIEW tab1 AS SELECT * FROM t1; FAILED: SemanticException [Error 10218]: Existing table is not a view The following is an existing table, not a view: default.tab1 hive> CREATE VIEW IF NOT EXISTS tab1 AS SELECT * FROM t1; OK Time taken: 0.678 seconds ``` **Issue 2: Strange Error when Issuing Load Table Against A View** Users should not be allowed to issue LOAD DATA against a view. Currently, when users doing it, we got a very strange runtime error. For example, ```SQL LOAD DATA LOCAL INPATH "$testData" INTO TABLE $viewName ``` ``` java.lang.reflect.InvocationTargetException was thrown. java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.spark.sql.hive.client.Shim_v0_14.loadTable(HiveShim.scala:680) ``` ## How was this patch tested? Added test cases Author: gatorsmile <gatorsmile@gmail.com> Closes #14314 from gatorsmile/tableDDLAgainstView.
* [SPARK-16703][SQL] Remove extra whitespace in SQL generation for window ↵Cheng Lian2016-07-255-6/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | functions ## What changes were proposed in this pull request? This PR fixes a minor formatting issue of `WindowSpecDefinition.sql` when no partitioning expressions are present. Before: ```sql ( ORDER BY `a` ASC ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) ``` After: ```sql (ORDER BY `a` ASC ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) ``` ## How was this patch tested? New test case added in `ExpressionSQLBuilderSuite`. Author: Cheng Lian <lian@databricks.com> Closes #14334 from liancheng/window-spec-sql-format.
* [SPARK-16691][SQL] move BucketSpec to catalyst module and use it in CatalogTableWenchen Fan2016-07-252-7/+4
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? It's weird that we have `BucketSpec` to abstract bucket info, but don't use it in `CatalogTable`. This PR moves `BucketSpec` into catalyst module. ## How was this patch tested? existing tests. Author: Wenchen Fan <wenchen@databricks.com> Closes #14331 from cloud-fan/check.
* [SPARK-16660][SQL] CreateViewCommand should not take CatalogTableWenchen Fan2016-07-251-32/+14
| | | | | | | | | | | | | | | ## What changes were proposed in this pull request? `CreateViewCommand` only needs some information of a `CatalogTable`, but not all of them. We have some tricks(e.g. we need to check the table type is `VIEW`, we need to make `CatalogColumn.dataType` nullable) to allow it to take a `CatalogTable`. This PR cleans it up and only pass in necessary information to `CreateViewCommand`. ## How was this patch tested? existing tests. Author: Wenchen Fan <wenchen@databricks.com> Closes #14297 from cloud-fan/minor2.
* [SPARK-16648][SQL] Make ignoreNullsExpr a child expression of First and LastCheng Lian2016-07-251-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Default `TreeNode.withNewChildren` implementation doesn't work for `Last` and when both constructor arguments are the same, e.g.: ```sql LAST_VALUE(FALSE) -- The 2nd argument defaults to FALSE LAST_VALUE(FALSE, FALSE) LAST_VALUE(TRUE, TRUE) ``` This is because although `Last` is a unary expression, both of its constructor arguments, `child` and `ignoreNullsExpr`, are `Expression`s. When they have the same value, `TreeNode.withNewChildren` treats both of them as child nodes by mistake. `First` is also affected by this issue in exactly the same way. This PR fixes this issue by making `ignoreNullsExpr` a child expression of `First` and `Last`. ## How was this patch tested? New test case added in `WindowQuerySuite`. Author: Cheng Lian <lian@databricks.com> Closes #14295 from liancheng/spark-16648-last-value.
* [SPARK-16645][SQL] rename CatalogStorageFormat.serdeProperties to propertiesWenchen Fan2016-07-255-18/+18
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? we also store data source table options in this field, it's unreasonable to call it `serdeProperties`. ## How was this patch tested? N/A Author: Wenchen Fan <wenchen@databricks.com> Closes #14283 from cloud-fan/minor1.
* [SPARK-16515][SQL][FOLLOW-UP] Fix test `script` on OS X/Windows...Liwei Lin2016-07-242-9/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | ## Problem The current `sed` in `test_script.sh` is missing a `$`, leading to the failure of `script` test on OS X: ``` == Results == !== Correct Answer - 2 == == Spark Answer - 2 == ![x1_y1] [x1] ![x2_y2] [x2] ``` In addition, this `script` test would also fail on systems like Windows where we couldn't be able to invoke `bash` or `echo | sed`. ## What changes were proposed in this pull request? This patch - fixes `sed` in `test_script.sh` - adds command guards so that the `script` test would pass on systems like Windows ## How was this patch tested? - Jenkins - Manually verified tests pass on OS X Author: Liwei Lin <lwlin7@gmail.com> Closes #14280 from lw-lin/osx-sed.
* [SPARK-16690][TEST] rename SQLTestUtils.withTempTable to withTempViewWenchen Fan2016-07-2315-34/+34
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? after https://github.com/apache/spark/pull/12945, we renamed the `registerTempTable` to `createTempView`, as we do create a view actually. This PR renames `SQLTestUtils.withTempTable` to reflect this change. ## How was this patch tested? N/A Author: Wenchen Fan <wenchen@databricks.com> Closes #14318 from cloud-fan/minor4.
* [SPARK-16344][SQL] Decoding Parquet array of struct with a single field ↵Cheng Lian2016-07-201-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | named "element" ## What changes were proposed in this pull request? Due to backward-compatibility reasons, the following Parquet schema is ambiguous: ``` optional group f (LIST) { repeated group list { optional group element { optional int32 element; } } } ``` According to the parquet-format spec, when interpreted as a standard 3-level layout, this type is equivalent to the following SQL type: ``` ARRAY<STRUCT<element: INT>> ``` However, when interpreted as a legacy 2-level layout, it's equivalent to ``` ARRAY<STRUCT<element: STRUCT<element: INT>>> ``` Historically, to disambiguate these cases, we employed two methods: - `ParquetSchemaConverter.isElementType()` Used to disambiguate the above cases while converting Parquet types to Spark types. - `ParquetRowConverter.isElementType()` Used to disambiguate the above cases while instantiating row converters that convert Parquet records to Spark rows. Unfortunately, these two methods make different decision about the above problematic Parquet type, and caused SPARK-16344. `ParquetRowConverter.isElementType()` is necessary for Spark 1.4 and earlier versions because Parquet requested schemata are directly converted from Spark schemata in these versions. The converted Parquet schemata may be incompatible with actual schemata of the underlying physical files when the files are written by a system/library that uses a schema conversion scheme that is different from Spark when writing Parquet LIST and MAP fields. In Spark 1.5, Parquet requested schemata are always properly tailored from schemata of physical files to be read. Thus `ParquetRowConverter.isElementType()` is no longer necessary. This PR replaces this method with a simply yet accurate scheme: whenever an ambiguous Parquet type is hit, convert the type in question back to a Spark type using `ParquetSchemaConverter` and check whether it matches the corresponding Spark type. ## How was this patch tested? New test cases added in `ParquetHiveCompatibilitySuite` and `ParquetQuerySuite`. Author: Cheng Lian <lian@databricks.com> Closes #14014 from liancheng/spark-16344-for-master-and-2.0.
* [HOTFIX] Fix Scala 2.10 compilationReynold Xin2016-07-181-2/+2
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* [SPARK-16590][SQL] Improve LogicalPlanToSQLSuite to check generated SQL directlyDongjoon Hyun2016-07-18103-153/+820
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? This PR improves `LogicalPlanToSQLSuite` to check the generated SQL directly by **structure**. So far, `LogicalPlanToSQLSuite` relies on `checkHiveQl` to ensure the **successful SQL generation** and **answer equality**. However, it does not guarantee the generated SQL is the same or will not be changed unnoticeably. ## How was this patch tested? Pass the Jenkins. This is only a testsuite change. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #14235 from dongjoon-hyun/SPARK-16590.
* [SPARK-16515][SQL] set default record reader and writer for script ↵Daoyuan Wang2016-07-182-0/+34
| | | | | | | | | | | | | | | | | transformation ## What changes were proposed in this pull request? In ScriptInputOutputSchema, we read default RecordReader and RecordWriter from conf. Since Spark 2.0 has deleted those config keys from hive conf, we have to set default reader/writer class name by ourselves. Otherwise we will get None for LazySimpleSerde, the data written would not be able to read by script. The test case added worked fine with previous version of Spark, but would fail now. ## How was this patch tested? added a test case in SQLQuerySuite. Closes #14169 Author: Daoyuan Wang <daoyuan.wang@intel.com> Author: Yin Huai <yhuai@databricks.com> Closes #14249 from yhuai/scriptTransformation.
* [SPARK-16482][SQL] Describe Table Command for Tables Requiring Runtime ↵gatorsmile2016-07-131-7/+9
| | | | | | | | | | | | | | | | | | Inferred Schema #### What changes were proposed in this pull request? If we create a table pointing to a parquet/json datasets without specifying the schema, describe table command does not show the schema at all. It only shows `# Schema of this table is inferred at runtime`. In 1.6, describe table does show the schema of such a table. ~~For data source tables, to infer the schema, we need to load the data source tables at runtime. Thus, this PR calls the function `lookupRelation`.~~ For data source tables, we infer the schema before table creation. Thus, this PR set the inferred schema as the table schema when table creation. #### How was this patch tested? Added test cases Author: gatorsmile <gatorsmile@gmail.com> Closes #14148 from gatorsmile/describeSchema.
* [SPARK-16284][SQL] Implement reflect SQL functionpetermaxlee2016-07-131-23/+0
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? This patch implements reflect SQL function, which can be used to invoke a Java method in SQL. Slightly different from Hive, this implementation requires the class name and the method name to be literals. This implementation also supports only a smaller number of data types, and requires the function to be static, as suggested by rxin in #13969. java_method is an alias for reflect, so this should also resolve SPARK-16277. ## How was this patch tested? Added expression unit tests and an end-to-end test. Author: petermaxlee <petermaxlee@gmail.com> Closes #14138 from petermaxlee/reflect-static.
* [SPARK-16119][SQL] Support PURGE option to drop table / partition.Marcelo Vanzin2016-07-124-6/+31
| | | | | | | | | | | | | | | | | | | | | | | | | This option is used by Hive to directly delete the files instead of moving them to the trash. This is needed in certain configurations where moving the files does not work. For non-Hive tables and partitions, Spark already behaves as if the PURGE option was set, so there's no need to do anything. Hive support for PURGE was added in 0.14 (for tables) and 1.2 (for partitions), so the code reflects that: trying to use the option with older versions of Hive will cause an exception to be thrown. The change is a little noisier than I would like, because of the code to propagate the new flag through all the interfaces and implementations; the main changes are in the parser and in HiveShim, aside from the tests (DDLCommandSuite, VersionsSuite). Tested by running sql and catalyst unit tests, plus VersionsSuite which has been updated to test the version-specific behavior. I also ran an internal test suite that uses PURGE and would not pass previously. Author: Marcelo Vanzin <vanzin@cloudera.com> Closes #13831 from vanzin/SPARK-16119.
* [SPARK-15752][SQL] Optimize metadata only query that has an aggregate whose ↵Lianhui Wang2016-07-121-0/+89
| | | | | | | | | | | | | | | | children are deterministic project or filter operators. ## What changes were proposed in this pull request? when query only use metadata (example: partition key), it can return results based on metadata without scanning files. Hive did it in HIVE-1003. ## How was this patch tested? add unit tests Author: Lianhui Wang <lianhuiwang09@gmail.com> Author: Wenchen Fan <wenchen@databricks.com> Author: Lianhui Wang <lianhuiwang@users.noreply.github.com> Closes #13494 from lianhuiwang/metadata-only.
* [SPARK-12639][SQL] Mark Filters Fully Handled By Sources with *Russell Spitzer2016-07-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? In order to make it clear which filters are fully handled by the underlying datasource we will mark them with an *. This will give a clear visual queue to users that the filter is being treated differently by catalyst than filters which are just presented to the underlying DataSource. Examples from the FilteredScanSuite, in this example `c IN (...)` is handled by the source, `b < ...` is not ### Before ``` //SELECT a FROM oneToTenFiltered WHERE a + b > 9 AND b < 16 AND c IN ('bbbbbBBBBB', 'cccccCCCCC', 'dddddDDDDD', 'foo') == Physical Plan == Project [a#0] +- Filter (((a#0 + b#1) > 9) && (b#1 < 16)) +- Scan SimpleFilteredScan(1,10)[a#0,b#1] PushedFilters: [LessThan(b,16), In(c, [bbbbbBBBBB,cccccCCCCC,dddddDDDDD,foo]] ``` ### After ``` == Physical Plan == Project [a#0] +- Filter (((a#0 + b#1) > 9) && (b#1 < 16)) +- Scan SimpleFilteredScan(1,10)[a#0,b#1] PushedFilters: [LessThan(b,16), *In(c, [bbbbbBBBBB,cccccCCCCC,dddddDDDDD,foo]] ``` ## How was the this patch tested? Manually tested with the Spark Cassandra Connector, a source which fully handles underlying filters. Now fully handled filters appear with an * next to their names. I can add an automated test as well if requested Post 1.6.1 Tested by modifying the FilteredScanSuite to run explains. Author: Russell Spitzer <Russell.Spitzer@gmail.com> Closes #11317 from RussellSpitzer/SPARK-12639-Star.
* [SPARK-16459][SQL] Prevent dropping current databaseDongjoon Hyun2016-07-112-0/+3
| | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? This PR prevents dropping the current database to avoid errors like the followings. ```scala scala> sql("create database delete_db") scala> sql("use delete_db") scala> sql("drop database delete_db") scala> sql("create table t as select 1") org.apache.spark.sql.catalyst.analysis.NoSuchDatabaseException: Database `delete_db` not found; ``` ## How was this patch tested? Pass the Jenkins tests including an updated testcase. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #14115 from dongjoon-hyun/SPARK-16459.
* [SPARK-16415][SQL] fix catalog string errorDaoyuan Wang2016-07-071-3/+11
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? In #13537 we truncate `simpleString` if it is a long `StructType`. But sometimes we need `catalogString` to reconstruct `TypeInfo`, for example in description of [SPARK-16415 ](https://issues.apache.org/jira/browse/SPARK-16415). So we need to keep the implementation of `catalogString` not affected by our truncate. ## How was this patch tested? added a test case. Author: Daoyuan Wang <daoyuan.wang@intel.com> Closes #14089 from adrian-wang/catalogstring.
* [SPARK-16368][SQL] Fix Strange Errors When Creating View With Unmatched ↵gatorsmile2016-07-071-0/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Column Num #### What changes were proposed in this pull request? When creating a view, a common user error is the number of columns produced by the `SELECT` clause does not match the number of column names specified by `CREATE VIEW`. For example, given Table `t1` only has 3 columns ```SQL create view v1(col2, col4, col3, col5) as select * from t1 ``` Currently, Spark SQL reports the following error: ``` requirement failed java.lang.IllegalArgumentException: requirement failed at scala.Predef$.require(Predef.scala:212) at org.apache.spark.sql.execution.command.CreateViewCommand.run(views.scala:90) ``` This error message is very confusing. This PR is to detect the error and issue a meaningful error message. #### How was this patch tested? Added test cases Author: gatorsmile <gatorsmile@gmail.com> Closes #14047 from gatorsmile/viewMismatchedColumns.
* [SPARK-16229][SQL] Drop Empty Table After CREATE TABLE AS SELECT failsgatorsmile2016-07-061-0/+15
| | | | | | | | | | | | | | | | | | | | | #### What changes were proposed in this pull request? In `CREATE TABLE AS SELECT`, if the `SELECT` query failed, the table should not exist. For example, ```SQL CREATE TABLE tab STORED AS TEXTFILE SELECT 1 AS a, (SELECT a FROM (SELECT 1 AS a UNION ALL SELECT 2 AS a) t) AS b ``` The above query failed as expected but an empty table `t` is created. This PR is to drop the created table when hitting any non-fatal exception. #### How was this patch tested? Added a test case to verify the behavior Author: gatorsmile <gatorsmile@gmail.com> Closes #13926 from gatorsmile/dropTableAfterException.
* [SPARK-16388][SQL] Remove spark.sql.nativeView and ↵Reynold Xin2016-07-061-118/+88
| | | | | | | | | | | | | | spark.sql.nativeView.canonical config ## What changes were proposed in this pull request? These two configs should always be true after Spark 2.0. This patch removes them from the config list. Note that ideally this should've gone into branch-2.0, but due to the timing of the release we should only merge this in master for Spark 2.1. ## How was this patch tested? Updated test cases. Author: Reynold Xin <rxin@databricks.com> Closes #14061 from rxin/SPARK-16388.
* [SPARK-16383][SQL] Remove `SessionState.executeSql`Dongjoon Hyun2016-07-051-3/+3
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? This PR removes `SessionState.executeSql` in favor of `SparkSession.sql`. We can remove this safely since the visibility `SessionState` is `private[sql]` and `executeSql` is only used in one **ignored** test, `test("Multiple Hive Instances")`. ## How was this patch tested? Pass the Jenkins tests. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #14055 from dongjoon-hyun/SPARK-16383.
* [SPARK-16311][SQL] Metadata refresh should work on temporary viewsReynold Xin2016-07-053-11/+73
| | | | | | | | | | | | | | | ## What changes were proposed in this pull request? This patch fixes the bug that the refresh command does not work on temporary views. This patch is based on https://github.com/apache/spark/pull/13989, but removes the public Dataset.refresh() API as well as improved test coverage. Note that I actually think the public refresh() API is very useful. We can in the future implement it by also invalidating the lazy vals in QueryExecution (or alternatively just create a new QueryExecution). ## How was this patch tested? Re-enabled a previously ignored test, and added a new test suite for Hive testing behavior of temporary views against MetastoreRelation. Author: Reynold Xin <rxin@databricks.com> Author: petermaxlee <petermaxlee@gmail.com> Closes #14009 from rxin/SPARK-16311.
* [SPARK-15198][SQL] Support for pushing down filters for boolean types in ORC ↵hyukjinkwon2016-07-052-4/+34
| | | | | | | | | | | | | | | | | | | | data source ## What changes were proposed in this pull request? It seems ORC supports all the types in ([`PredicateLeaf.Type`](https://github.com/apache/hive/blob/e085b7e9bd059d91aaf013df0db4d71dca90ec6f/storage-api/src/java/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.java#L50-L56)) which includes boolean types. So, this was tested first. This PR adds the support for pushing filters down for `BooleanType` in ORC data source. This PR also removes `OrcTableScan` class and the companion object, which is not used anymore. ## How was this patch tested? Unittest in `OrcFilterSuite` and `OrcQuerySuite`. Author: hyukjinkwon <gurwls223@gmail.com> Closes #12972 from HyukjinKwon/SPARK-15198.
* [SPARK-15968][SQL] Nonempty partitioned metastore tables are not cachedMichael Allman2016-07-051-18/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (Please note this is a revision of PR #13686, which has been closed in favor of this PR.) This PR addresses [SPARK-15968](https://issues.apache.org/jira/browse/SPARK-15968). ## What changes were proposed in this pull request? The `getCached` method of [HiveMetastoreCatalog](https://github.com/apache/spark/blob/master/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala) computes `pathsInMetastore` from the metastore relation's catalog table. This only returns the table base path, which is incomplete/inaccurate for a nonempty partitioned table. As a result, cached lookups on nonempty partitioned tables always miss. Rather than get `pathsInMetastore` from metastoreRelation.catalogTable.storage.locationUri.toSeq I modified the `getCached` method to take a `pathsInMetastore` argument. Calls to this method pass in the paths computed from calls to the Hive metastore. This is how `getCached` was implemented in Spark 1.5: https://github.com/apache/spark/blob/e0c3212a9b42e3e704b070da4ac25b68c584427f/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala#L444. I also added a call in `InsertIntoHiveTable.scala` to invalidate the table from the SQL session catalog. ## How was this patch tested? I've added a new unit test to `parquetSuites.scala`: SPARK-15968: nonempty partitioned metastore Parquet table lookup should use cached relation Note that the only difference between this new test and the one above it in the file is that the new test populates its partitioned table with a single value, while the existing test leaves the table empty. This reveals a subtle, unexpected hole in test coverage present before this patch. Note I also modified a different but related unit test in `parquetSuites.scala`: SPARK-15248: explicitly added partitions should be readable This unit test asserts that Spark SQL should return data from a table partition which has been placed there outside a metastore query immediately after it is added. I changed the test so that, instead of adding the data as a parquet file saved in the partition's location, the data is added through a SQL `INSERT` query. I made this change because I could find no way to efficiently support partitioned table caching without failing that test. In addition to my primary motivation, I can offer a few reasons I believe this is an acceptable weakening of that test. First, it still validates a fix for [SPARK-15248](https://issues.apache.org/jira/browse/SPARK-15248), the issue for which it was written. Second, the assertion made is stronger than that required for non-partitioned tables. If you write data to the storage location of a non-partitioned metastore table without using a proper SQL DML query, a subsequent call to show that data will not return it. I believe this is an intentional limitation put in place to make table caching feasible, but I'm only speculating. Building a large `HadoopFsRelation` requires `stat`-ing all of its data files. In our environment, where we have tables with 10's of thousands of partitions, the difference between using a cached relation versus a new one is a matter of seconds versus minutes. Caching partitioned table metadata vastly improves the usability of Spark SQL for these cases. Thanks. Author: Michael Allman <michael@videoamp.com> Closes #13818 from mallman/spark-15968.
* [SPARK-16358][SQL] Remove InsertIntoHiveTable From Logical Plangatorsmile2016-07-041-2/+0
| | | | | | | | | | | | #### What changes were proposed in this pull request? LogicalPlan `InsertIntoHiveTable` is useless. Thus, we can remove it from the code base. #### How was this patch tested? The existing test cases Author: gatorsmile <gatorsmile@gmail.com> Closes #14037 from gatorsmile/InsertIntoHiveTable.
* [SPARK-16267][TEST] Replace deprecated `CREATE TEMPORARY TABLE ... USING` ↵Dongjoon Hyun2016-06-292-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | from testsuites. ## What changes were proposed in this pull request? After SPARK-15674, `DDLStrategy` prints out the following deprecation messages in the testsuites. ``` 12:10:53.284 WARN org.apache.spark.sql.execution.SparkStrategies$DDLStrategy: CREATE TEMPORARY TABLE normal_orc_source USING... is deprecated, please use CREATE TEMPORARY VIEW viewName USING... instead ``` Total : 40 - JDBCWriteSuite: 14 - DDLSuite: 6 - TableScanSuite: 6 - ParquetSourceSuite: 5 - OrcSourceSuite: 2 - SQLQuerySuite: 2 - HiveCommandSuite: 2 - JsonSuite: 1 - PrunedScanSuite: 1 - FilteredScanSuite 1 This PR replaces `CREATE TEMPORARY TABLE` with `CREATE TEMPORARY VIEW` in order to remove the deprecation messages in the above testsuites except `DDLSuite`, `SQLQuerySuite`, `HiveCommandSuite`. The Jenkins results shows only remaining 10 messages. https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/61422/consoleFull ## How was this patch tested? This is a testsuite-only change. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #13956 from dongjoon-hyun/SPARK-16267.
* [SPARK-16228][SQL] HiveSessionCatalog should return `double`-param functions ↵Dongjoon Hyun2016-06-291-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | for decimal param lookups ## What changes were proposed in this pull request? This PR supports a fallback lookup by casting `DecimalType` into `DoubleType` for the external functions with `double`-type parameter. **Reported Error Scenarios** ```scala scala> sql("select percentile(value, 0.5) from values 1,2,3 T(value)") org.apache.spark.sql.AnalysisException: ... No matching method for class org.apache.hadoop.hive.ql.udf.UDAFPercentile with (int, decimal(38,18)). Possible choices: _FUNC_(bigint, array<double>) _FUNC_(bigint, double) ; line 1 pos 7 scala> sql("select percentile_approx(value, 0.5) from values 1.0,2.0,3.0 T(value)") org.apache.spark.sql.AnalysisException: ... Only a float/double or float/double array argument is accepted as parameter 2, but decimal(38,18) was passed instead.; line 1 pos 7 ``` ## How was this patch tested? Pass the Jenkins tests (including a new testcase). Author: Dongjoon Hyun <dongjoon@apache.org> Closes #13930 from dongjoon-hyun/SPARK-16228.
* [SPARK-16157][SQL] Add New Methods for comments in StructField and StructTypegatorsmile2016-06-291-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | #### What changes were proposed in this pull request? Based on the previous discussion with cloud-fan hvanhovell in another related PR https://github.com/apache/spark/pull/13764#discussion_r67994276, it looks reasonable to add convenience methods for users to add `comment` when defining `StructField`. Currently, the column-related `comment` attribute is stored in `Metadata` of `StructField`. For example, users can add the `comment` attribute using the following way: ```Scala StructType( StructField( "cl1", IntegerType, nullable = false, new MetadataBuilder().putString("comment", "test").build()) :: Nil) ``` This PR is to add more user friendly methods for the `comment` attribute when defining a `StructField`. After the changes, users are provided three different ways to do it: ```Scala val struct = (new StructType) .add("a", "int", true, "test1") val struct = (new StructType) .add("c", StringType, true, "test3") val struct = (new StructType) .add(StructField("d", StringType).withComment("test4")) ``` #### How was this patch tested? Added test cases: - `DataTypeSuite` is for testing three types of API changes, - `DataFrameReaderWriterSuite` is for parquet, json and csv formats - using in-memory catalog - `OrcQuerySuite.scala` is for orc format using Hive-metastore Author: gatorsmile <gatorsmile@gmail.com> Closes #13860 from gatorsmile/newMethodForComment.
* [SPARK-16220][SQL] Revert Change to Bring Back SHOW FUNCTIONS FunctionalityBill Chambers2016-06-271-0/+5
| | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? - Fix tests regarding show functions functionality - Revert `catalog.ListFunctions` and `SHOW FUNCTIONS` to return to `Spark 1.X` functionality. Cherry picked changes from this PR: https://github.com/apache/spark/pull/13413/files ## How was this patch tested? Unit tests. Author: Bill Chambers <bill@databricks.com> Author: Bill Chambers <wchambers@ischool.berkeley.edu> Closes #13916 from anabranch/master.
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