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From "Dmitriy Setrakyan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-32) Need to create a utility for auto-schema loading from databases
Date Mon, 01 Dec 2014 17:46:15 GMT
Dmitriy Setrakyan created IGNITE-32:

             Summary: Need to create a utility for auto-schema loading from databases
                 Key: IGNITE-32
                 URL: https://issues.apache.org/jira/browse/IGNITE-32
             Project: Ignite
          Issue Type: Bug
          Components: UI
            Reporter: Dmitriy Setrakyan
            Priority: Critical
             Fix For: sprint-1

Need to create utility for auto-schema loading:
# Should be written in Java
# Preferably no additional dependencies should be added to the project. 

The process is composed of 2 parts, schema mapping and automatic data loading.

h3. Schema Mapping
# Should be a standalone GUI utility
# Users should select schemas, then tables from schemas, then fields from tables, and automatically
generate Spring XML for SQL Query metadata configuration.
# Should also optionally automatically generate POJO classes.
# Should automatically map SQL table names to Java standard allowing users to provide customer
# By default, every  table should be mapped to a separate Cache, but user should be able to
override this in any possible way.

h3. Automatic {{GridCacheStore}} implementation
# The new {{GridCacheStore}} implementation should read the XML configuration generated by
*Schema Mapping* step and automatically implement all CRUD and TX operations out of the box.
# The implementation of the {{loadCache(...)}} method should accept SQL for loading (or where
clause) as a parameter. Users should be able to preload a portion of the table based on some
search criteria on startup or at any point after.

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