Package org.josql

Examples of org.josql.Query

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    pointers.add(fresh);
    return fresh;
  }
 
  private QueryResults select(String whereClause) throws QueryParseException, QueryExecutionException {
    Query q = new Query ();
    q.parse ("SELECT * FROM " + Pointer.class.getCanonicalName() + "  WHERE " + whereClause);
    QueryResults qr = q.execute (pointers);
    return qr;
  }
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    QueryResults qr = q.execute (pointers);
    return qr;
  }
 
  private QueryResults selectOrderBy(String whereClause, String orderBy, String limit) throws QueryParseException, QueryExecutionException {
    Query q = new Query ();
    q.parse ("SELECT * FROM " + Pointer.class.getCanonicalName() + "  WHERE " + whereClause + " order by " + orderBy + " " + limit);
    QueryResults qr = q.execute (pointers);
    return qr;
  }
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  public List<Object> runJoSqlQuery(String josql, Map<String, Object> bindVariables,
      List<Object> additionalFunctionHandlers, List queryTarget) throws QueryParseException,
      QueryExecutionException
  {
    Query josqlQuery = prepareQuery(bindVariables, additionalFunctionHandlers);

    josqlQuery.parse(josql);
    QueryResults qr = josqlQuery.execute(queryTarget);

    return qr.getResults();
  }
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        instanceCurrentStateList.add(currentState);
      }
      currentStatesMap.put(host, currentStates);
      flatCurrentStateMap.put(host, ZNRecordRow.flatten(instanceCurrentStateList));
    }
    Query josqlQuery = new Query();

    // Set the default bind variables
    josqlQuery
.setVariable(
        PropertyType.CONFIGS.toString() + "/" + ConfigScopeProperty.PARTICIPANT.toString(),
            instanceConfigs);
    josqlQuery.setVariable(PropertyType.IDEALSTATES.toString(), idealStatesMap);
    josqlQuery.setVariable(PropertyType.LIVEINSTANCES.toString(), liveInstances);
    josqlQuery.setVariable(PropertyType.STATEMODELDEFS.toString(), stateModelDefs);
    josqlQuery.setVariable(PropertyType.EXTERNALVIEW.toString(), externalViewMap);
    josqlQuery.setVariable(PropertyType.CURRENTSTATES.toString(), currentStatesMap);
    josqlQuery.setVariable(PARTITIONS, partitions);

    // Flat version of ZNRecords
    josqlQuery.setVariable(
        PropertyType.CONFIGS.toString() + "/" + ConfigScopeProperty.PARTICIPANT.toString()
            + FLATTABLE,
        ZNRecordRow.flatten(instanceConfigs));
    josqlQuery.setVariable(PropertyType.IDEALSTATES.toString() + FLATTABLE,
        ZNRecordRow.flatten(idealStateList));
    josqlQuery.setVariable(PropertyType.LIVEINSTANCES.toString() + FLATTABLE,
        ZNRecordRow.flatten(liveInstances));
    josqlQuery.setVariable(PropertyType.STATEMODELDEFS.toString() + FLATTABLE,
        ZNRecordRow.flatten(stateModelDefs));
    josqlQuery.setVariable(PropertyType.EXTERNALVIEW.toString() + FLATTABLE,
        ZNRecordRow.flatten(externalViewList));
    josqlQuery.setVariable(PropertyType.CURRENTSTATES.toString() + FLATTABLE,
        flatCurrentStateMap.values());
    josqlQuery.setVariable(PARTITIONS + FLATTABLE, ZNRecordRow.flatten(partitions));
    // Set additional bind variables
    if (bindVariables != null)
    {
      for (String key : bindVariables.keySet())
      {
        josqlQuery.setVariable(key, bindVariables.get(key));
      }
    }

    josqlQuery.addFunctionHandler(new ZNRecordJosqlFunctionHandler());
    josqlQuery.addFunctionHandler(new ZNRecordRow());
    josqlQuery.addFunctionHandler(new Integer(0));
    if (additionalFunctionHandlers != null)
    {
      for (Object functionHandler : additionalFunctionHandlers)
      {
        josqlQuery.addFunctionHandler(functionHandler);
      }
    }
    return josqlQuery;
  }
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  }

  public List<Object> runJoSqlQuery(String josql, Map<String, Object> bindVariables,
      List<Object> additionalFunctionHandlers) throws QueryParseException, QueryExecutionException
  {
    Query josqlQuery = prepareQuery(bindVariables, additionalFunctionHandlers);

    // Per JoSql, select FROM <target> the target must be a object class that
    // corresponds to a "table row",
    // while the table (list of Objects) are put in the query by
    // query.execute(List<Object>). In the input,
    // In out case, the row is always a ZNRecord. But in SQL, the from target is
    // a "table name".

    String fromTargetString = parseFromTarget(josql);

    List fromTargetList = null;
    Object fromTarget = null;
    if (fromTargetString.equalsIgnoreCase(PARTITIONS))
    {
      fromTarget = josqlQuery.getVariable(PARTITIONS.toString());
    } else if (fromTargetString.equalsIgnoreCase(PropertyType.LIVEINSTANCES.toString()))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.LIVEINSTANCES.toString());
    } else if (fromTargetString.equalsIgnoreCase(PropertyType.CONFIGS.toString() + "/"
        + ConfigScopeProperty.PARTICIPANT.toString()))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.CONFIGS.toString() + "/"
          + ConfigScopeProperty.PARTICIPANT.toString());
    } else if (fromTargetString.equalsIgnoreCase(PropertyType.STATEMODELDEFS.toString()))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.STATEMODELDEFS.toString());
    } else if (fromTargetString.equalsIgnoreCase(PropertyType.EXTERNALVIEW.toString()))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.EXTERNALVIEW.toString());
    }
    else if (fromTargetString.equalsIgnoreCase(PropertyType.IDEALSTATES.toString()))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.IDEALSTATES.toString());
    }
   
    else if (fromTargetString.equalsIgnoreCase(PARTITIONS + FLATTABLE))
    {
      fromTarget = josqlQuery.getVariable(PARTITIONS.toString() + FLATTABLE);
    } else if (fromTargetString.equalsIgnoreCase(PropertyType.LIVEINSTANCES.toString() + FLATTABLE))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.LIVEINSTANCES.toString() + FLATTABLE);
    } else if (fromTargetString.equalsIgnoreCase(PropertyType.CONFIGS.toString() + "/"
        + ConfigScopeProperty.PARTICIPANT.toString()
        + FLATTABLE))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.CONFIGS.toString() + "/"
          + ConfigScopeProperty.PARTICIPANT.toString() + FLATTABLE);
    } else if (fromTargetString
        .equalsIgnoreCase(PropertyType.STATEMODELDEFS.toString() + FLATTABLE))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.STATEMODELDEFS.toString() + FLATTABLE);
    } else if (fromTargetString.equalsIgnoreCase(PropertyType.EXTERNALVIEW.toString() + FLATTABLE))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.EXTERNALVIEW.toString() + FLATTABLE);
    }
    else if (fromTargetString.equalsIgnoreCase(PropertyType.IDEALSTATES.toString() + FLATTABLE))
    {
      fromTarget = josqlQuery.getVariable(PropertyType.IDEALSTATES.toString() + FLATTABLE);
    }
    else
    {
      throw new HelixException(
          "Unknown query target "
              + fromTargetString
              + ". Target should be PARTITIONS, LIVEINSTANCES, CONFIGS, STATEMODELDEFS, IDEALSTATES, EXTERNALVIEW, and corresponding flat Tables");
    }

    fromTargetList = fromTargetString.endsWith(FLATTABLE) ? ((List<ZNRecordRow>) fromTarget)
        : ((List<ZNRecord>) fromTarget);

    // Per JoSql, select FROM <target> the target must be a object class that
    // corresponds to a "table row"
    // In out case, the row is always a ZNRecord
    josql = josql.replaceFirst(
        fromTargetString,
        fromTargetString.endsWith(FLATTABLE) ? ZNRecordRow.class.getName() : ZNRecord.class
            .getName());
    josqlQuery.parse(josql);
    QueryResults qr = josqlQuery.execute(fromTargetList);
    return qr.getResults();
  }
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        " AND mapSubKey LIKE '%' " +
        " AND mapValue LIKE 'SLAVE' " +
        " AND mapSubKey IN ((SELECT [*]id FROM :LIVEINSTANCES)) " +
        " ORDER BY parseInt(getSimpleFieldValue(getZNRecordFromMap(:LIVEINSTANCESMAP, mapSubKey), 'SCN'))";
   
    Query josqlQuery = new Query();
    josqlQuery.setVariable("LIVEINSTANCES", liveInstances);
    josqlQuery.setVariable("LIVEINSTANCESMAP", liveInstanceMap);
    josqlQuery.addFunctionHandler(new ZNRecordRow());
    josqlQuery.addFunctionHandler(new ZNRecordJosqlFunctionHandler());
    josqlQuery.addFunctionHandler(new Integer(0));
    try
    {
      josqlQuery.parse(josql);
      QueryResults qr = josqlQuery.execute(ZNRecordRow.convertMapFields(externalView));
      @SuppressWarnings({ "unchecked", "unused" })
      List<Object> result = qr.getResults();
     
    }
    catch (QueryParseException e)
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     * @param sql the SQL query to perform
     * @return a new builder
     * @throws QueryParseException if there is an issue with the SQL
     */
    public static <E extends Exchange> SqlBuilder<E> sql(String sql) throws QueryParseException {
        Query q = new Query();
        q.parse(sql);
        return new SqlBuilder(q);
    }
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            + " AND mapSubKey LIKE '%' "
            + " AND mapValue LIKE 'SLAVE' "
            + " AND mapSubKey IN ((SELECT [*]id FROM :LIVEINSTANCES)) "
            + " ORDER BY parseInt(getSimpleFieldValue(getZNRecordFromMap(:LIVEINSTANCESMAP, mapSubKey), 'SCN'))";

    Query josqlQuery = new Query();
    josqlQuery.setVariable("LIVEINSTANCES", liveInstances);
    josqlQuery.setVariable("LIVEINSTANCESMAP", liveInstanceMap);
    josqlQuery.addFunctionHandler(new ZNRecordRow());
    josqlQuery.addFunctionHandler(new ZNRecordJosqlFunctionHandler());
    josqlQuery.addFunctionHandler(new Integer(0));
    try {
      josqlQuery.parse(josql);
      QueryResults qr = josqlQuery.execute(ZNRecordRow.convertMapFields(externalView));
      @SuppressWarnings({
          "unchecked", "unused"
      })
      List<Object> result = qr.getResults();

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  }

  public List<Object> runJoSqlQuery(String josql, Map<String, Object> bindVariables,
      List<Object> additionalFunctionHandlers, List queryTarget) throws QueryParseException,
      QueryExecutionException {
    Query josqlQuery = prepareQuery(bindVariables, additionalFunctionHandlers);

    josqlQuery.parse(josql);
    QueryResults qr = josqlQuery.execute(queryTarget);

    return qr.getResults();
  }
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        instanceCurrentStateList.add(currentState);
      }
      currentStatesMap.put(host, currentStates);
      flatCurrentStateMap.put(host, ZNRecordRow.flatten(instanceCurrentStateList));
    }
    Query josqlQuery = new Query();

    // Set the default bind variables
    josqlQuery.setVariable(
        PropertyType.CONFIGS.toString() + "/" + ConfigScopeProperty.PARTICIPANT.toString(),
        instanceConfigs);
    josqlQuery.setVariable(PropertyType.IDEALSTATES.toString(), idealStatesMap);
    josqlQuery.setVariable(PropertyType.LIVEINSTANCES.toString(), liveInstances);
    josqlQuery.setVariable(PropertyType.STATEMODELDEFS.toString(), stateModelDefs);
    josqlQuery.setVariable(PropertyType.EXTERNALVIEW.toString(), externalViewMap);
    josqlQuery.setVariable(PropertyType.CURRENTSTATES.toString(), currentStatesMap);
    josqlQuery.setVariable(PARTITIONS, partitions);

    // Flat version of ZNRecords
    josqlQuery.setVariable(
        PropertyType.CONFIGS.toString() + "/" + ConfigScopeProperty.PARTICIPANT.toString()
            + FLATTABLE, ZNRecordRow.flatten(instanceConfigs));
    josqlQuery.setVariable(PropertyType.IDEALSTATES.toString() + FLATTABLE,
        ZNRecordRow.flatten(idealStateList));
    josqlQuery.setVariable(PropertyType.LIVEINSTANCES.toString() + FLATTABLE,
        ZNRecordRow.flatten(liveInstances));
    josqlQuery.setVariable(PropertyType.STATEMODELDEFS.toString() + FLATTABLE,
        ZNRecordRow.flatten(stateModelDefs));
    josqlQuery.setVariable(PropertyType.EXTERNALVIEW.toString() + FLATTABLE,
        ZNRecordRow.flatten(externalViewList));
    josqlQuery.setVariable(PropertyType.CURRENTSTATES.toString() + FLATTABLE,
        flatCurrentStateMap.values());
    josqlQuery.setVariable(PARTITIONS + FLATTABLE, ZNRecordRow.flatten(partitions));
    // Set additional bind variables
    if (bindVariables != null) {
      for (String key : bindVariables.keySet()) {
        josqlQuery.setVariable(key, bindVariables.get(key));
      }
    }

    josqlQuery.addFunctionHandler(new ZNRecordJosqlFunctionHandler());
    josqlQuery.addFunctionHandler(new ZNRecordRow());
    josqlQuery.addFunctionHandler(new Integer(0));
    if (additionalFunctionHandlers != null) {
      for (Object functionHandler : additionalFunctionHandlers) {
        josqlQuery.addFunctionHandler(functionHandler);
      }
    }
    return josqlQuery;
  }
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