BooleanNormalizer Example

NormalizerDemo.java

import com.foundationdb.sql.compiler.BooleanNormalizer;
import com.foundationdb.sql.parser.SQLParser;
import com.foundationdb.sql.parser.StatementNode;
import com.foundationdb.sql.unparser.NodeToString;

public class NormalizerDemo {
    public static void main(String[] args) throws Exception {
        if(args.length == 0) {
            return;
        }
        SQLParser parser = new SQLParser();
        BooleanNormalizer normalizer = new BooleanNormalizer(parser);
        NodeToString nodeToString = new NodeToString();

        StatementNode stmt = parser.parseStatement(args[0]);
        System.out.println("pre-normalization:");
        System.out.println(nodeToString.toString(stmt));
        stmt = normalizer.normalize(stmt);
        System.out.println("post-normalization:");
        System.out.println(nodeToString.toString(stmt));
    }
}