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Jungtaek Lim (HeartSaVioR) 9ea6c0a897
[SPARK-30943][SS] Show "batch ID" in tool tip string for Structured Streaming UI graphs 
### What changes were proposed in this pull request?

This patch changes the tool tip string in Structured Streaming UI graphs to show batch ID (and timestamp as well) instead of only showing timestamp, which was a key for DStream but no longer a key for Structured Streaming.

This patch does some refactoring as there're some spots on confusion between js file for streaming and structured streaming.

Note that this patch doesn't actually change the x axis, as once we change it we should decouple the logic for graphs between streaming and structured streaming. It won't change UX meaningfully as in x axis we only show min and max which we still would like to know about "time" as well as batch ID.

### Why are the changes needed?

In Structured Streaming, everything is aligned for "batch ID" where the UI is only showing timestamp - end users have to manually find and correlate batch ID and the timestamp which is clearly a huge pain.

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

No

### How was this patch tested?

Manually tested. Screenshots:

![Screen Shot 2020-02-25 at 7 22 38 AM](https://user-images.githubusercontent.com/1317309/75197701-40b2ce80-57a2-11ea-9578-c2eb2d1091de.png)
![Screen Shot 2020-02-25 at 7 22 44 AM](https://user-images.githubusercontent.com/1317309/75197704-427c9200-57a2-11ea-9439-e0a8303d0860.png)
![Screen Shot 2020-02-25 at 7 22 58 AM](https://user-images.githubusercontent.com/1317309/75197706-43152880-57a2-11ea-9617-1276c3ba181e.png)
![Screen Shot 2020-02-25 at 7 23 04 AM](https://user-images.githubusercontent.com/1317309/75197708-43152880-57a2-11ea-9de2-7d37eaf88102.png)
![Screen Shot 2020-02-25 at 7 23 31 AM](https://user-images.githubusercontent.com/1317309/75197710-43adbf00-57a2-11ea-9ae4-4e292de39c36.png)

Closes #27687 from HeartSaVioR/SPARK-30943.

Authored-by: Jungtaek Lim (HeartSaVioR) <kabhwan.opensource@gmail.com>
Signed-off-by: Shixiong Zhu <zsxwing@gmail.com>
2020-02-25 15:29:36 -08:00
..
catalyst [SPARK-30918][SQL] improve the splitting of skewed partitions 2020-02-25 14:10:29 -08:00
core [SPARK-30943][SS] Show "batch ID" in tool tip string for Structured Streaming UI graphs 2020-02-25 15:29:36 -08:00
hive [SPARK-30885][SQL] V1 table name should be fully qualified if catalog name is provided 2020-02-25 13:04:28 +08:00
hive-thriftserver [SPARK-30904][SQL] Thrift RowBasedSet serialization throws NullPointerException on NULL BigDecimal 2020-02-21 21:39:35 -07:00
create-docs.sh [SPARK-30510][SQL][DOCS] Publicly document Spark SQL configuration options 2020-02-09 19:20:47 +09:00
gen-sql-api-docs.py [SPARK-30510][SQL][DOCS] Publicly document Spark SQL configuration options 2020-02-09 19:20:47 +09:00
gen-sql-config-docs.py [SPARK-30840][CORE][SQL] Add version property for ConfigEntry and ConfigBuilder 2020-02-22 09:46:42 +09:00
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.