Index
Symbols A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Symbols
/* */ comments - multi-line
. deference operator (tuple, bag)
>= greater than or equal to operator
<= less than or equal to operator
( ) type construction operator (tuple)
{ } type construction operator (bag)
[ ] type construction operator (map)
A (top) ----------------------------------------------
ABS function
ACOS function
AddForEach optimization rule
aggregations (hash-based) in map task
aliases (for fields, relations). See referencing.
AND (Boolean)
ASIN function
ATAN function
autoship (streaming). See also ship
AVG function
B (top) ----------------------------------------------
backward compatibility (multi-query execution)
bags (data type)
and memory allocation
and relations
and schemas
and TOBAG function
and type construction operators
converting to string
schemas for multiple types
syntax
BagToString function
batch mode. See also memory management
bincond operator ( ?: )
BinStorage function
Boolean operators
AND operator
OR operator
NOT operator
BoundScript.java object
C (top) ----------------------------------------------
cache (streaming)
casting types
cast operators
custom converters (BinStorage)
relations to scalars
See also types tables
CBRT function
CEIL function
chararray functions (see String Functions)
checkSchema method
COGROUP operator
ColumnMapKeyPrune optimization rule
comments (in Pig Scripts)
compression (of data)
handling compression
compressing results of intermediate jobs
CONCAT function
constants
and data types
and nulls
convergence (Python example)
COS function
COSH function
COUNT function
COUNT_STAR function
CROSS operator
D (top) ----------------------------------------------
-D command line option
data
combining input files
compression (handling)
compression (results of intermediate jobs)
loading
load/store functions (built in functions)
load/store functions (user defined functions)
storing final results
storing intermediate results (and HDFS)
storing intermediate results (and performance)
working with
data types. See types
debugging
diagnostic operators
with exec and run commands
and Pig Latin
decorators. See Python
deference operators
tuple or bag ( . )
map ( # )
DEFINE (macros) operator
DEFINE (UDFs, streaming) operator
DESCRIBE operator
DIFF function
disambiguate operator ( :: )
distributed file systems (and Pig Scripts)
DISTINCT operator
DUMP See also Store vs. Dump
E (top) ----------------------------------------------
embedded Pig
and Groovy
invocation basics
invocation details (compile, bind, run)
and Java
and JavaScript
and PigRunner API
and PigServer Interface
and Python
EmbeddedPigStats class
error handling (multi-query execution)
eval functions (built in functions)
eval functions (user defined functions). See also Java UDFs
exec command
executing Pig. See running Pig
exectution modes
local mode
mapreduce mode
execution plans
logical plan
mapreduce plan
physical plan
EXP function
EXPLAIN operator
expressions
Boolean expressions
field expressions
general expressions
and Pig Latin
project-range expressions
star expressions ( * )
tuple expressions
F (top) ----------------------------------------------
fields
definition of
field delimiters
referencing
referencing complex types
FILTER operator
FilterLogicExpressionSimplifier optimization rule
FLOOR function
FOREACH operator
fs command
G (top) ----------------------------------------------
getAllErrorMessages method
getAllStats method
getInputFormat method
getNext method
getOutputFormat method
globs
and BinStorage function
and LOAD operator
and REGISTER statement
Groovy UDFs. See also UDFs
GROUP operator
GroupByConstParallelSetter optimization rule
H (top) ----------------------------------------------
Hadoop
FsShell commands
Hadoop globbing
HadoopJobHistoryLoader
hadoop partitioner. See PARTITION BY
Hadoop properties
versions supported
help command
I (top) ----------------------------------------------
identifiers See also referencing
ILLUSTRATE operator
IMPORT (macros) operator
INDEXOF function
installing Pig
builds
downloads
software requirements
isEmbedded method
IsEmpty function
is not null operator
is null operator
J (top) ----------------------------------------------
Java objects
BoundScript.java
pig.java
PigProgressNotificationListener.java
PigStats.java
JavaScript UDFs. See also UDFs
Java UDFs
eval functions
accumulator interface
aggregate functions
algebraic interface
and distributed cache
and error handling
filter functions
and function overloading
and import lists
and Pig types
and reporting progress
and schemas
using the functions
writing the functions
load/store functions
See also UDFs
JOIN (inner) operator
JOIN (outer) operator
joins
inner joins
join optimizations
merge joins
merge-sparse joins
outer joins
replicated joins
self joins
skewed joins
K (top) ----------------------------------------------
keywords. See reserved keywords
kill command
L (top) ----------------------------------------------
LAST_INDEX_OF function
LCFIRST function
LIMIT operator
LimitOptimizer optimization rule
LOAD operator
LoadCaster interface
LoadFunc class
getInputFormat method
getNext method
LoadCaster ubterface
LoadMetadata interface
LoadPushDown interface
prepareToRead method
pushProjection method
relativeToAbsolutePath method
setLocation method
setUdfContextSignature method
Load Functions. See load/store functions
LoadMetadata interface
LoadPushDown interface
load/store functions
built in functions
user defined functions (UDFs)
LOG function
LOG10 function
LOWER function
LTRIM function
M (top) ----------------------------------------------
macros
defining macros
expanding macros
importing macros
map task and hash-based aggregation
MapReduce
MapReduce job ids and Pig scripts
setting the number of reduce tasks
MAPREDUCE operator
maps (data type)
and schemas
schemas for multiple types
syntax
and TOMAP function
and type construction operators
matches. See pattern matching
MAX function
memory management. See also batch mode
MergeFilter optimization rule
MergeForEach optimization rule
MIN function
modulo operator ( % )
N (top) ----------------------------------------------
names (for fields, relations). See referencing.
nested blocks (FOREACH operator)
NOT (Boolean)
nulls
and constants
dropping before a join (performance)
and JOIN operator
and load functions
operations that produce
and Pig Latin
O (top) ----------------------------------------------
optimization rules
AddForEach
ColumnMapKeyPrune
FilterLogicExpressionSimplifier
GroupByConstParallelSetter
LimitOptimizer
MergeFilter
MergeForEach
PushDownForEachFlatten
PushUpFilter
SplitFilter
OR (Boolean)
ORDER BY operator
outputFunctionSchema Python decorator
outputSchema Python decorator
P (top) ----------------------------------------------
-P command line option
PARALLEL
and performance
setting default_parallel
PARTITION BY
and CROSS
and DISTINCT
and GROUP
and JOIN (inner)
and JOIN (outer)
performance (writing efficient code)
optimization rules for
performance enhancers
See also Pig Latin
pig.cachedbag.memusage property
PigDump function
Pig Latin
automated generation of (Python example)
Pig Latin statements
See also performance (writing efficient code)
Pig macros. See macros
pig.java object
PigProgressNotificationListener interface
PigProgressNotificationListener.java object
PigRunner API. See also PigStats class
Pig Scripts
and batch mode
and comments
and distributed file systems
and exec command
and MapReduce job ids
and run command
PigServer interface
PigStats class
EmbeddedPigStats class
getAllErrorMessages method
getAllStats method
isEmbedded method
SimplePigStats class
See also PigRunner API
PigStats.java object
Pig Statistics
pig.alias
pig.command.line
pig.hadoop.version
pig.input.dirs
pig.job.feature
pig.map.output.dirs
pig.parent.jobid
pig.reduce.output.dirs
pig.script
pig.script.features
pig.script.id
pig.version
PigStorage function
Pig types. See data types
prepareToRead method
prepareToWrite method
projection
example of
and performance
properties
specifying Hadoop properties
specifying Pig properties
PushDownForEachFlatten optimization rule
pushProjection method
PushUpFilter optimization rule
putNext method
Python UDFs. See also UDFs
Q (top) ----------------------------------------------
quit (command)
R (top) ----------------------------------------------
RANDOM function
referencing
fields
fields and complex types
relations
See also identifiers
REGEX_EXTRACT function
REGEX_EXTRACT_ALL function
REGISTER statement
regular expressions. See pattern matching
relations
casting to scalars
and Pig Latin
referencing
relativeToAbsolutePath method
relToAbsPathForStoreLocation method
REPLACE function
requirements (for Pig)
ROUND function
ROUND_TO function
RTRIM function
run command
running Pig
exec command
execution modes
execution order
execution plans
multi-query execution
run command
S (top) ----------------------------------------------
SAMPLE operator
schemaFunction Python decorator
schemas
for complex data types (tuples, bags, maps)
and decorators (Python UDFs)
and FOREACH
and LOAD, STREAM
ONSCHEMA clause (UNION operator)
and Pig Latin
and PigStorage (function)
and return types (JavaScript UDFs)
for simple data types (int, long, float, double, chararray, bytearray)
unknown (null) schemas
set command
setLocation method
setStoreFuncUDFContextSignature method
setStoreLocation method
setUdfContextSignature method
sh command
ship (streaming). See also autoship
sign operators
negative ( - )
positive ( + )
SimplePigStats class
SIN function
SINH function
SIZE function
software requirements. See requirements
specialized joins
merge joins
and performance
replicated joins
skewed joins
SPLIT operator
SplitFilter optimization rule
splits (implicit, explicit)
SQRT function
star expression ( * )
statements (Pig Latin)
statistics. See Pig statistics
STORE operator. See also Store vs. Dump
Store functions. See load/store functions
StoreFunc class
checkSchema method
getOutputFormat method
prepareToWrite method
putNext method
relToAbsPathForStoreLocation method
setStoreFuncUDFContextSignature method
setStoreLocation method
StoreMetadata interface
StoreMetadata interface
STREAM operator
streaming (DEFINE operator)
STRSPLIT function
SUBSTRING function
SUM function
T (top) ----------------------------------------------
TAN function
TANH function
TextLoader function
TOBAG function
TOKENIZE function
TOMAP function
TOP function
TOTUPLE function
TRIM function
tuples (data type)
and relations
and schemas
syntax
and TOTUPLE function
and type construction operators
type construction operators (tuple, bag, map)
type conversions. See casting types, types tables
types (simple and complex)
types tables
for addition, subtraction
for equal, not equal
for matches
for multiplication, division
for negative (negation)
for nulls
See also casting types
tutorial (for Pig)
U (top) ----------------------------------------------
UCFIRST function
UDFs
and function instantiation
and monitoring
passing configurations to
and performance (Accumulator Interface)
and performance (Algebraic Interface)
Piggy Bank (repository)
UDF interfaces
See also Java UDFs, JavaScript UDFs, Python UDFs
UNION operator
UPPER function
user defined functions. See UDFs
V (top)
W (top)
X (top)
Y (top)
Z (top)