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| author | Yin Huai <huai@cse.ohio-state.edu> | 2014-10-02 11:37:24 -0700 |
|---|---|---|
| committer | Michael Armbrust <michael@databricks.com> | 2014-10-02 11:37:24 -0700 |
| commit | 82a6a083a485140858bcd93d73adec59bb5cca64 (patch) | |
| tree | 3fc209d56db7fa09052f01ee2d3a0818b941e367 /docs/sql-programming-guide.md | |
| parent | 5b4a5b1acdc439a58aa2a3561ac0e3fb09f529d6 (diff) | |
| download | spark-82a6a083a485140858bcd93d73adec59bb5cca64.tar.gz spark-82a6a083a485140858bcd93d73adec59bb5cca64.tar.bz2 spark-82a6a083a485140858bcd93d73adec59bb5cca64.zip | |
[SQL][Docs] Update the output of printSchema and fix a typo in SQL programming guide.
We have changed the output format of `printSchema`. This PR will update our SQL programming guide to show the updated format. Also, it fixes a typo (the value type of `StructType` in Java API).
Author: Yin Huai <huai@cse.ohio-state.edu>
Closes #2630 from yhuai/sqlDoc and squashes the following commits:
267d63e [Yin Huai] Update the output of printSchema and fix a typo.
Diffstat (limited to 'docs/sql-programming-guide.md')
| -rw-r--r-- | docs/sql-programming-guide.md | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/docs/sql-programming-guide.md b/docs/sql-programming-guide.md index 818fd5ab80..368c3d0008 100644 --- a/docs/sql-programming-guide.md +++ b/docs/sql-programming-guide.md @@ -620,8 +620,8 @@ val people = sqlContext.jsonFile(path) // The inferred schema can be visualized using the printSchema() method. people.printSchema() // root -// |-- age: IntegerType -// |-- name: StringType +// |-- age: integer (nullable = true) +// |-- name: string (nullable = true) // Register this SchemaRDD as a table. people.registerTempTable("people") @@ -658,8 +658,8 @@ JavaSchemaRDD people = sqlContext.jsonFile(path); // The inferred schema can be visualized using the printSchema() method. people.printSchema(); // root -// |-- age: IntegerType -// |-- name: StringType +// |-- age: integer (nullable = true) +// |-- name: string (nullable = true) // Register this JavaSchemaRDD as a table. people.registerTempTable("people"); @@ -697,8 +697,8 @@ people = sqlContext.jsonFile(path) # The inferred schema can be visualized using the printSchema() method. people.printSchema() # root -# |-- age: IntegerType -# |-- name: StringType +# |-- age: integer (nullable = true) +# |-- name: string (nullable = true) # Register this SchemaRDD as a table. people.registerTempTable("people") @@ -1394,7 +1394,7 @@ please use factory methods provided in </tr> <tr> <td> <b>StructType</b> </td> - <td> org.apache.spark.sql.api.java </td> + <td> org.apache.spark.sql.api.java.Row </td> <td> DataType.createStructType(<i>fields</i>)<br /> <b>Note:</b> <i>fields</i> is a List or an array of StructFields. |