spark-sql> select * from default.src;
15 val_15
17 val_17
0 val_0
4 val_4
12 val_12
8 val_8
0 val_0
0 val_0
15 val_15
19 val_19
10 val_10
5 val_5
11 val_11
5 val_5
2 val_2
12 val_12
5 val_5
18 val_18
9 val_9
18 val_18
Time taken: 6.419 seconds, Fetched 20 row(s)
spark-sql> explain select * from default.src;
== Physical Plan ==
*(1) Filter (isnotnull(key#10) && (key#10 < 20))
+- HiveTableScan [key#10, value#11], HiveTableRelation `default`.`src`, org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe, [key#10, value#11]
Time taken: 0.466 seconds, Fetched 1 row(s)
spark-sql>
Created
April 4, 2019 05:41
-
-
Save yaooqinn/2496383a248f24d8d9fd22cc0ba388d6 to your computer and use it in GitHub Desktop.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment