Examples of org.datanucleus.query.JDOQLSingleStringParser

org.datanucleus.query.JDOQLSingleStringParser

Parser for handling JDOQL Single-String queries. Takes a JDOQLQuery and the query string and parses it into its constituent parts, updating the JDOQLQuery accordingly with the result that after calling the parse() method the JDOQLQuery is populated.

 select [unique] [  ] [into ] [from  [exclude subclasses] ] [where ] [variables  ] [parameters ] [] [group by  ] [order by ] [range  ,]

 UPDATE  SET fld1 = val[, fld2 = val2] WHERE {filter}

 DELETE FROM  [exclude-subclasses] WHERE {filter}

Note that {filter} can contain subqueries, hence containing keywords

 SELECT c FROM Customer c WHERE timeAvailable < (SELECT avg(hours) FROM Employee e)

So the "filter" for the outer query is "timeAvailable < (SELECT avg(hours) FROM Employee e)"

    public AbstractJDOQLQuery(ExecutionContext ec, String query)
    {
        this(ec);


        // Parse the single-string query for errors
        JDOQLSingleStringParser parser = new JDOQLSingleStringParser(this, query);
        if (ec.getNucleusContext().getPersistenceConfiguration().getBooleanProperty("datanucleus.query.jdoql.allowAll"))
        {
            parser.setAllowDelete(true);
            parser.setAllowUpdate(true);
        }
        parser.parse();


        if (candidateClassName != null)
        {
            try
            {

    public AbstractJDOQLQuery(ObjectManager om, String query)
    {
        this(om);


        // Parse the single-string query for errors
        new JDOQLSingleStringParser(this, query).parse();


        if (candidateClassName != null)
        {
            try
            {

Examples of org.datanucleus.query.JDOQLSingleStringParser

Related Classes of org.datanucleus.query.JDOQLSingleStringParser