Default Fetch Group Named Fetch Groups Dynamic Fetch Groups Fetch Depth Fetch Size When an object is retrieved from the datastore by JDO typically not all fields are retrieve...
JDOQL Single-String JDOQL Accessing Fields Data types : literals Operators precedence Concatenation Expressions Example 1 - Use of Explicit Parameters Example 2 - Use of Impl...
all any append concat drop zipWith zip xprod uniq filter find flatten head indexOf join lastIndexOf map nth pluck prepend range reduce reduceRight reject re...
The book is broken down into small “recipes” that aim to demonstrate a single concept at a time. Chapter installation provides instructions on how to install the necessary softwa...
all any append concat drop zipWith zip xprod uniq filter find flatten head indexOf join lastIndexOf map nth pluck prepend range reduce reduceRight reject re...
Table format (aka. format) was first proposed by Iceberg, which can be described as follows: It defines the relationship between tables and files, and any engine can query and r...
all any append concat drop zipWith zip xprod uniq filter find flatten head indexOf join lastIndexOf map nth pluck prepend range reduce reduceRight reject re...