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[SPARK-22191] [SQL] Add hive serde example with serde properties #19420

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crlalam wants to merge 2 commits into from
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[SPARK-22191] [SQL] Add hive serde example with serde properties #19420

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[SPARK-22191] [SQL] Add hive serde example with serde properties
Oct 3, 2017
27e7963
[SPARK-22191] [SQL] Add hive serde example with serde properties
Oct 6, 2017
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7 changes: 7 additions & 0 deletions examples/src/main/java/org/apache/spark/examples/sql/hive/JavaSparkHiveExample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,13 @@ public static void main(String[] args) {
// ...
// $example off:spark_hive$

// Hive serde's are also supported with serde properties.
String sqlQuery = "CREATE TABLE src_serde(key decimal(38,18), value int) USING hive"
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@dongjoon-hyun dongjoon-hyun Oct 5, 2017

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Hi, @crlalam.
We use 2-space indentation in general.
FYI, maybe, you can see Scala Coding Style.

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@crlalam crlalam Oct 6, 2017

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Hi @dongjoon-hyun ,
Thanks for the review and pointing me to the coding style. Fixed coding style issues and updated the pull request. Please take a look.

+ " OPTIONS (SERDE 'org.apache.hadoop.hive.serde2.RegexSerDe', input.regex '([^ ]*) ([^ ]*)')";
spark.sql(sqlQuery);
spark.sql("LOAD DATA LOCAL INPATH 'examples/src/main/resources/kv7.txt' INTO TABLE src_serde");
// Executed the data with the specified serde properties.
spark.sql("SELECT key, value FROM src_serde ORDER BY key, value").show();
spark.stop();
}
}
8 changes: 8 additions & 0 deletions examples/src/main/python/sql/hive.py
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Expand Up @@ -92,5 +92,13 @@
# | 5| val_5| 5| val_5|
# ...
# $example off:spark_hive$

# Hive serde's are also supported with serde properties.
sqlQuery = """CREATE TABLE src_serde(key decimal(38,18), value int) USING hive
OPTIONS (SERDE 'org.apache.hadoop.hive.serde2.RegexSerDe', input.regex '([^ ]*) ([^ ]*)')"""
spark.sql(sqlQuery)
spark.sql("LOAD DATA LOCAL INPATH 'examples/src/main/resources/kv7.txt' INTO TABLE src_serde")
# Executed the data with the specified serde properties.
spark.sql("SELECT key, value FROM src_serde ORDER BY key, value").show()

spark.stop()
38 changes: 38 additions & 0 deletions examples/src/main/resources/kv7.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
-4400 4400
1E+99 0
1E-99 0
0 0
100 100
10 10
1 1
0.1 0
0.01 0
200 200
20 20
2 2
0 0
0.2 0
0.02 0
0.3 0
0.33 0
0.333 0
-0.3 0
-0.33 0
-0.333 0
1.0 1
2 2
3.14 3
-1.12 -1
-1.12 -1
-1.122 -11
1.12 1
1.122 1
124.00 124
125.2 125
-1255.49 -1255
3.14 3
3.14 3
3.140 4
0.9999999999999999999999999 1
-1234567890.1234567890 -1234567890
1234567890.1234567800 1234567890
8 changes: 8 additions & 0 deletions examples/src/main/scala/org/apache/spark/examples/sql/hive/SparkHiveExample.scala
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Expand Up @@ -104,6 +104,14 @@ object SparkHiveExample {
// ...
// $example off:spark_hive$

// Hive serde's are also supported with serde properties.
val sqlQuery = "CREATE TABLE src_serde(key decimal(38,18), value int) USING hive" +
" OPTIONS (SERDE 'org.apache.hadoop.hive.serde2.RegexSerDe', input.regex '([^ ]*) ([^ ]*)')"
sql(sqlQuery)
sql("LOAD DATA LOCAL INPATH 'examples/src/main/resources/kv7.txt' INTO TABLE src_serde")
// Executed the data with the specified serde properties.
sql("SELECT key, value FROM src_serde ORDER BY key, value").show()

spark.stop()
}
}