com.google.visualization.datasource.query.engine
Class QueryEngine

java.lang.Object
  com.google.visualization.datasource.query.engine.QueryEngine

public final class QueryEngine
extends java.lang.Object

A collection of static methods that perform the operations involved in executing a query, i.e., selection, sorting, paging (limit and offset), grouping and pivoting, filtering, applying labels, and custom formatting. This also takes care of calculated columns. This also takes care of scalar function columns.

Author:

Yoah B.D., Yonatan B.Y., Liron L.

Method Summary

static DataTable

executeQuery(Query query, DataTable table, com.ibm.icu.util.ULocale locale) Returns the data that is the result of executing the query.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

executeQuery

public static DataTable executeQuery(Query query,
                                     DataTable table,
                                     com.ibm.icu.util.ULocale locale)

Returns the data that is the result of executing the query. The query is validated against the data table before execution and an InvalidQueryException is thrown if it is invalid. This function may change the given DataTable.

Parameters:

query - The query.

table - The table to execute the query on.

Returns:

The data that is the result of executing the query.