【原创】Pig资料集锦

1.　　Hadoop Pig 0.10.0内置系统函数

　　http://pig.apache.org/docs/r0.10.0/func.html

• Introduction
• Dynamic Invokers
• Eval Functions
  • AVG
  • CONCAT
  • COUNT
  • COUNT_STAR
  • DIFF
  • IsEmpty
  • MAX
  • MIN
  • SIZE
  • SUM
  • TOKENIZE
• Load/Store Functions
  • Handling Compression
  • BinStorage
  • JsonLoader, JsonStorage
  • PigDump
  • PigStorage
  • TextLoader
• Math Functions
  • ABS
  • ACOS
  • ASIN
  • ATAN
  • CBRT
  • CEIL
  • COS
  • COSH
  • EXP
  • FLOOR
  • LOG
  • LOG10
  • RANDOM
  • ROUND
  • SIN
  • SINH
  • SQRT
  • TAN
  • TANH
• String Functions
  • INDEXOF
  • LAST_INDEX_OF
  • LCFIRST
  • LOWER
  • REGEX_EXTRACT
  • REGEX_EXTRACT_ALL
  • REPLACE
  • STRSPLIT
  • SUBSTRING
  • TRIM
  • UCFIRST
  • UPPER
• Tuple, Bag, Map Functions
  • TOTUPLE
  • TOBAG
  • TOMAP
  • TOP

2.　　Hadoop Pig Latin 操作符

　　http://pig.apache.org/docs/r0.10.0/basic.html

• Conventions
• Reserved Keywords
• Case Sensitivity
• Data Types and More
  • Identifiers
  • Relations, Bags, Tuples, Fields
  • Data Types
  • Nulls and Pig Latin
  • Constants
  • Expressions
  • Schemas
• Arithmetic Operators and More
  • Arithmetic Operators
  • Boolean Operators
  • Cast Operators
  • Comparison Operators
  • Type Construction Operators
  • Dereference Operators
  • Disambiguate Operator
  • Flatten Operator
  • Null Operators
  • Sign Operators
  • Types Table: negative ( - ) operator
• Relational Operators
  • COGROUP
  • CROSS
  • DEFINE
  • DISTINCT
  • FILTER
  • FOREACH
  • GROUP
  • IMPORT
  • JOIN (inner)
  • JOIN (outer)
  • LIMIT
  • LOAD
  • MAPREDUCE
  • ORDER BY
  • SAMPLE
  • SPLIT
  • STORE
  • STREAM
  • UNION
• UDF Statements
  • DEFINE (UDFs, streaming)
  • REGISTER