SQLInterpreter in Spark

0 votes
What's the role of SQL interpreter and Optimizer in Spark?
Jun 7, 2018 in Apache Spark by shams
• 3,580 points
48 views

1 answer to this question.

0 votes

SQL Interpreter & Optimizer handles the functional programming part of Spark SQL. It transforms the DataFrames RDDs to get the required results in the required formats.

Some of it's Features are:

  • Functional programming
  • Transforming trees
  • Faster than RDDs
  • Processes all size data

e.g. Catalyst: A modular library for distinct optimization

answered Jun 7, 2018 by kurt_cobain
• 9,240 points

Related Questions In Apache Spark

0 votes
1 answer

Changing Column position in spark dataframe

Yes, you can reorder the dataframe elements. You need ...READ MORE

answered Apr 19, 2018 in Apache Spark by Ashish
• 2,630 points
3,454 views
+2 votes
4 answers

use length function in substring in spark

You can use the function expr val data ...READ MORE

answered May 3, 2018 in Apache Spark by kurt_cobain
• 9,240 points
9,891 views
0 votes
1 answer

cache tables in apache spark sql

Caching the tables puts the whole table ...READ MORE

answered May 4, 2018 in Apache Spark by Data_Nerd
• 2,360 points
539 views
0 votes
1 answer

What's the difference between 'filter' and 'where' in Spark SQL?

Both 'filter' and 'where' in Spark SQL ...READ MORE

answered May 23, 2018 in Apache Spark by nitinrawat895
• 10,210 points
4,246 views
0 votes
0 answers
0 votes
1 answer

Hadoop dfs -ls command?

In your case there is no difference ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
779 views
+1 vote
1 answer
0 votes
1 answer

“no such file or directory" in case of hadoop fs -ls

The behaviour that you are seeing is ...READ MORE

answered May 9, 2018 in Big Data Hadoop by nitinrawat895
• 10,210 points

edited May 9, 2018 by nitinrawat895 1,978 views
0 votes
1 answer

Efficient way to read specific columns from parquet file in spark

As parquet is a column based storage ...READ MORE

answered Apr 20, 2018 in Apache Spark by kurt_cobain
• 9,240 points
1,009 views
+5 votes
11 answers

Concatenate columns in apache spark dataframe

its late but this how you can ...READ MORE

answered Mar 21 in Apache Spark by anonymous
23,226 views