资 源 简 介
SQL Processor - Data Driven Queries
The SQL Processor is an engine producing the ANSI SQL statements and providing their execution without the necessity to write Java plumbing code related to the ORM or JDBC API.
The input to the SQL Processor is
* a search form (or a question form or the input values), which is just a POJO. Typically this form is seeded by an end user in a presentation layer of a web application.
* a META SQL query or statement, which is an enhanced ANSI SQL statement. This enhancement is defined in ANTLR based grammar. All the META SQL statements are defined in the query properties file.
* an output mapping rule, which is a mapping prescription from an SQL query result to the Java output classes values. This prescription syntax is again defined in ANTLR based grammar. All the mapping rules are also defined in the query properties file.
Based on the inputs the final SQ
