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Chao Sun a60c36458d [SPARK-34981][SQL][TESTS][FOLLOWUP] Fix test failure under Scala 2.13 
### What changes were proposed in this pull request?

Fix test failure under Scala 2.13 by making test `ScalaFunction` `StrLenMagic` public.

### Why are the changes needed?

A few tests are failing when using Scala 2.13 with error message like the following:
```
[info]   Cause: org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 35, Column 121: failed to compile: org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 35, Column 121: No a
pplicable constructor/method found for actual parameters "org.apache.spark.unsafe.types.UTF8String"; candidates are: "public int org.apache.spark.sql.connector.DataSourceV2FunctionSuite$StrLenMagic$.invoke(org.apache.spark.
unsafe.types.UTF8String)"
[info]   at org.apache.spark.sql.errors.QueryExecutionErrors$.compilerError(QueryExecutionErrors.scala:387)
[info]   at org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.org$apache$spark$sql$catalyst$expressions$codegen$CodeGenerator$$doCompile(CodeGenerator.scala:1415)
[info]   at org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$$anon$1.load(CodeGenerator.scala:1501)
```

This seems to be caused by the fact that the `StrLenMagic` is using `private` scope. After removing the `private` keyword the tests are now passing.

### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

```
$ dev/change-scala-version.sh 2.13
$ build/sbt "sql/testOnly *.DataSourceV2FunctionSuite" -Pscala-2.13
```

Closes #32575 from sunchao/SPARK-34981-follow-up.

Authored-by: Chao Sun <sunchao@apple.com>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2021-05-17 16:17:01 -07:00
..
catalyst [SPARK-35359][SQL] Insert data with char/varchar datatype will fail when data length exceed length limitation 2021-05-18 00:13:40 +08:00
core [SPARK-34981][SQL][TESTS][FOLLOWUP] Fix test failure under Scala 2.13 2021-05-17 16:17:01 -07:00
hive [SPARK-35286][SQL] Replace SessionState.start with SessionState.setCurrentSessionState 2021-05-16 18:39:15 +08:00
hive-thriftserver [SPARK-35286][SQL] Replace SessionState.start with SessionState.setCurrentSessionState 2021-05-16 18:39:15 +08:00
create-docs.sh [SPARK-34010][SQL][DODCS] Use python3 instead of python in SQL documentation build 2021-01-05 19:48:10 +09:00
gen-sql-api-docs.py [SPARK-34747][SQL][DOCS] Add virtual operators to the built-in function document 2021-03-19 10:19:26 +09:00
gen-sql-config-docs.py [SPARK-31550][SQL][DOCS] Set nondeterministic configurations with general meanings in sql configuration doc 2020-04-27 17:08:52 +09:00
gen-sql-functions-docs.py [SPARK-31562][SQL] Update ExpressionDescription for substring, current_date, and current_timestamp 2020-04-26 11:46:52 -07:00
mkdocs.yml [SPARK-30731] Update deprecated Mkdocs option 2020-02-19 17:28:58 +09:00
README.md [SPARK-30510][SQL][DOCS] Publicly document Spark SQL configuration options 2020-02-09 19:20:47 +09:00

README.md

Spark SQL

This module provides support for executing relational queries expressed in either SQL or the DataFrame/Dataset API.

Spark SQL is broken up into four subprojects:

  • Catalyst (sql/catalyst) - An implementation-agnostic framework for manipulating trees of relational operators and expressions.
  • Execution (sql/core) - A query planner / execution engine for translating Catalyst's logical query plans into Spark RDDs. This component also includes a new public interface, SQLContext, that allows users to execute SQL or LINQ statements against existing RDDs and Parquet files.
  • Hive Support (sql/hive) - Includes extensions that allow users to write queries using a subset of HiveQL and access data from a Hive Metastore using Hive SerDes. There are also wrappers that allow users to run queries that include Hive UDFs, UDAFs, and UDTFs.
  • HiveServer and CLI support (sql/hive-thriftserver) - Includes support for the SQL CLI (bin/spark-sql) and a HiveServer2 (for JDBC/ODBC) compatible server.

Running ./sql/create-docs.sh generates SQL documentation for built-in functions under sql/site, and SQL configuration documentation that gets included as part of configuration.md in the main docs directory.