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A Modern SQL frontend based on the SQL16 Standard with extensions for streaming, graph, rich types.

* Comprehensive support for statements:

	- QUERY: ``SELECT ...``
	- DML: ``INSERT ... INTO ...`` ``UPDATE ...`` ``MERGE ... INTO ...`` ``DELETE ... FROM ...``
	- DDL: ``CREATE ...`` ``ALTER ...`` ``DROP ...``

* Nested Expressions (e.g. Sub-Selects)
* ``WITH`` clauses
* De-Parser for a Statement AST Node, which writes a SQL from Java Objects
* Rewriter
* Linter

1. Maven Repository

   <dependency>
   		<groupId>com.facebook.presto</groupId>
   		<artifactId>presto-coresql</artifactId>
   		<version>0.1</version>
   </dependency>

2. Parsing and Unparsing a SQL Statement

   import com.facebook.coresql.parser.AstNode;
   import com.facebook.coresql.parser.ParserHelper;
   import com.facebook.coresql.parser.Unparser;
   
   String sqlStr = "select 1 from dual where a=b";
   AstNode ast = ParserHelper.parseStatement(sqlStr);
   String unparsedSqlStr = Unparser.unparse(ast);

3. Compile latest version from source

   git clone https://github.com/kaikalur/sql.git
   cd sql
   mvn install