TheDeveloperBlog.com

Home | Contact Us

C-Sharp | Java | Python | Swift | GO | WPF | Ruby | Scala | F# | JavaScript | SQL | PHP | Angular | HTML

Pig Latin Concepts

Pig Latin concepts for beginners and professionals with examples. There are 3 Latin concepts of Apache Pig: Field, Tuple and Bag.

<< Back to PIG

Pig Latin

The Pig Latin is a data flow language used by Apache Pig to analyze the data in Hadoop. It is a textual language that abstracts the programming from the Java MapReduce idiom into a notation.

Pig Latin Statements

The Pig Latin statements are used to process the data. It is an operator that accepts a relation as an input and generates another relation as an output.

  • It can span multiple lines.
  • Each statement must end with a semi-colon.
  • It may include expression and schemas.
  • By default, these statements are processed using multi-query execution

Pig Latin Conventions

Convention Description
( ) The parenthesis can enclose one or more items. It can also be used to indicate the tuple data type.
Example - (10, xyz, (3,6,9))
[ ] The straight brackets can enclose one or more items. It can also be used to indicate the map data type.
Example - [INNER | OUTER]
{ } The curly brackets enclose two or more items. It can also be used to indicate the bag data type
Example - { block | nested_block }
... The horizontal ellipsis points indicate that you can repeat a portion of the code.
Example - cat path [path ...]

Latin Data Types

Simple Data Types

Type Description
int It defines the signed 32-bit integer.
Example - 2
long It defines the signed 64-bit integer.
Example - 2L or 2l
float It defines 32-bit floating point number.
Example - 2.5F or 2.5f or 2.5e2f or 2.5.E2F
double It defines 64-bit floating point number.
Example - 2.5 or 2.5 or 2.5e2f or 2.5.E2F
chararray It defines character array in Unicode UTF-8 format.
Example
bytearray It defines the byte array.
boolean It defines the boolean type values.
Example - true/false
datetime It defines the values in datetime order.
Example - 1970-01- 01T00:00:00.000+00:00
biginteger It defines Java BigInteger values.
Example - 5000000000000
bigdecimal It defines Java BigDecimal values.
Example - 52.232344535345

Complex Types

Type Description
tuple It defines an ordered set of fields.
Example - (15,12)
bag It defines a collection of tuples.
Example - {(15,12), (12,15)}
map It defines a set of key-value pairs.
Example - [open#apache]
Next TopicPig Data Types




Related Links:

.Net

.NET Array Dictionary List String 2D Async DataTable Dates DateTime Enum File For Foreach Format IEnumerable If IndexOf Lambda LINQ Parse Path Process Property Regex Replace Sort Split Static StringBuilder Substring Switch Tuple

Java

Core Array ArrayList HashMap String 2D Cast Character Console Deque Duplicates File For Format HashSet If IndexOf Lambda Math ParseInt Process Random Regex Replace Sort Split StringBuilder Substring Switch Vector While

Related Links

Adjectives Ado Ai Android Angular Antonyms Apache Articles Asp Autocad Automata Aws Azure Basic Binary Bitcoin Blockchain C Cassandra Change Coa Computer Control Cpp Create Creating C-Sharp Cyber Daa Data Dbms Deletion Devops Difference Discrete Es6 Ethical Examples Features Firebase Flutter Fs Git Go Hbase History Hive Hiveql How Html Idioms Insertion Installing Ios Java Joomla Js Kafka Kali Laravel Logical Machine Matlab Matrix Mongodb Mysql One Opencv Oracle Ordering Os Pandas Php Pig Pl Postgresql Powershell Prepositions Program Python React Ruby Scala Selecting Selenium Sentence Seo Sharepoint Software Spellings Spotting Spring Sql Sqlite Sqoop Svn Swift Synonyms Talend Testng Types Uml Unity Vbnet Verbal Webdriver What Wpf