001package gudusoft.gsqlparser.stmt.postgresql;
002/*
003 * Date: 13-12-5
004 */
005
006import gudusoft.gsqlparser.EDbVendor;
007import gudusoft.gsqlparser.ESqlStatementType;
008import gudusoft.gsqlparser.TCustomSqlStatement;
009import gudusoft.gsqlparser.nodes.TParseTreeVisitor;
010
011
012public class TNullStmt extends TCustomSqlStatement {
013
014     public TNullStmt(){
015        this(EDbVendor.dbvpostgresql);
016    }
017
018    public TNullStmt(EDbVendor dbvendor) {
019        super(dbvendor);
020        sqlstatementtype = ESqlStatementType.sstplsql_nullstmt;
021    }
022
023    public int doParseStatement(TCustomSqlStatement psql) {
024        if (rootNode == null) return -1;
025        super.doParseStatement(psql);
026
027        return 0;
028    }
029    public void accept(TParseTreeVisitor v){
030        v.preVisit(this);
031        v.postVisit(this);
032    }
033
034    public void acceptChildren(TParseTreeVisitor v){
035        v.preVisit(this);
036        v.postVisit(this);
037    }
038
039
040
041}