Package com.datastax.driver.core.querybuilder.Select

Examples of com.datastax.driver.core.querybuilder.Select.Where

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    c.setValue(null);
    return c;
  }

  public static Where createRowQuery(Key from, Key to, DboColumnMeta colMeta, Select selectQuery, String rowKey, String indTable) {
        Where selectWhere = selectQuery.where();
        Clause rkClause = QueryBuilder.eq("id", rowKey);
        selectWhere.and(rkClause);

        Object valFrom = null, valTo = null;
    if (colMeta != null) {
      if (from != null) {
        valFrom = colMeta.getStorageType().convertFromNoSql(from.getKey());
                valFrom = checkForBooleanAndNull(valFrom, indTable, colMeta);
      }
      if (to != null) {
        valTo = colMeta.getStorageType().convertFromNoSql(to.getKey());
                valTo = checkForBooleanAndNull(valTo, indTable, colMeta);
      }
    } else
      return selectWhere;

        if (from != null) {
            if (from.isInclusive()) {
                Clause gteClause = QueryBuilder.gte("colname", valFrom);
                selectWhere.and(gteClause);
            } else {
                Clause gtClause = QueryBuilder.gt("colname", valFrom);
                selectWhere.and(gtClause);
            }

        }
        if (to != null) {
            if (to.isInclusive()) {
                Clause lteClause = QueryBuilder.lte("colname", valTo);
                selectWhere.and(lteClause);
            }
            else {
                Clause ltClause = QueryBuilder.lt("colname", valTo);
                selectWhere.and(ltClause);
            }
    }
    return selectWhere;
  }
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    }
    return selectWhere;
  }

    public static Where createRowQueryFromValues(List<byte[]> values, DboColumnMeta colMeta, Select selectQuery, String rowKey) {
        Where selectWhere = selectQuery.where();

        Clause rkClause = QueryBuilder.eq("id", rowKey);
        selectWhere.and(rkClause);

        Object[] valStrings = new Object[values.size()];
        int count = 0;
        for (byte[] value : values) {
            valStrings[count] = StandardConverters.convertFromBytes(String.class, value);
            count++;
        }
       
        Clause inClause = QueryBuilder.in("colname", valStrings);
        selectWhere.and(inClause);
        return selectWhere;
    }
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            if (batchListener != null)
                batchListener.beforeFetchingNextBatch();

            String rowKeyString = StandardConverters.convertFromBytes(String.class, rowKey);
            Select selectQuery = QueryBuilder.select().all().from(keySpace, indTable).allowFiltering();
            Where whereClause = Cql3Util.createRowQuery(from, to, columnMeta, selectQuery, rowKeyString, indTable);
            Query query = null;

            if (batchSize != null)
                query = whereClause.limit(batchSize);
            else
                query = whereClause.disableTracing();
            resultSet = session.execute(query);

            // Need to see where we use this batchListener
            if (batchListener != null && batchSize != null)
                batchListener.afterFetchingNextBatch(batchSize);
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        String rowKeyString = StandardConverters.convertFromBytes(String.class, rowKey);

        for (byte[] val : values) {
            Select selectQuery = QueryBuilder.select().all().from(keySpace, indTable).allowFiltering();
            Where selectWhere = selectQuery.where();
            Clause rkClause = QueryBuilder.eq("id", rowKeyString);
            selectWhere.and(rkClause);

            Object value = null;
            value = columnMeta.getStorageType().convertFromNoSql(val);
            value = Cql3Util.checkForBooleanAndNull(value, indTable, columnMeta);

            Clause valClause = QueryBuilder.eq("colname", value);
            selectWhere.and(valClause);

            Query query = selectWhere.disableTracing();

            Future future = session.executeAsync(query);
            futures.add(future);
        }
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        }
    }

    public boolean findIndexRow(String table, String rowKey, byte[] key, Object indValue) {
        Select selectQuery = QueryBuilder.select().all().from(keys, table).allowFiltering();
        Where selectWhere = selectQuery.where();
        Clause rkClause = QueryBuilder.eq("id", rowKey);
        selectWhere.and(rkClause);
        Clause indClause = null;
        if (indValue != null) {
            indClause = QueryBuilder.eq("colname", indValue);
        } else {
            if (table.equalsIgnoreCase("IntegerIndice")) {
                indClause = QueryBuilder.eq("colname", ByteBuffer.wrap(new byte[0]));
            } else {
                indClause = QueryBuilder.eq("colname", "");
            }
        }
        selectWhere.and(indClause);
        Clause keyClause = QueryBuilder.eq("colvalue", ByteBuffer.wrap(key));
        selectWhere.and(keyClause);
        Query query = selectWhere.limit(1);
        ResultSet resultSet = session.execute(query);
        return !resultSet.isExhausted();
   }
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      EntityId entityId,
      CassandraColumnName column,
      Column columnRequest
  ) {
    Preconditions.checkArgument(!column.containsQualifier());
    final Where select =
        select()
            .all()
            .from(table.getKeyspace(), table.getTable())
            .where(eq(FAMILY_COL, column.getFamilyBuffer()));

    select.setFetchSize(
        columnRequest.getPageSize() == 0 ? Integer.MAX_VALUE : columnRequest.getPageSize());

    for (final Map.Entry<String, Object> component
        : getEntityIdColumnValues(layout, entityId).entrySet()) {
      select.and(eq(component.getKey(), component.getValue()));
    }

    return select;
  }
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            if (batchListener != null)
                batchListener.beforeFetchingNextBatch();

            String rowKeyString = StandardConverters.convertFromBytes(String.class, rowKey);
            Select selectQuery = QueryBuilder.select().all().from(keySpace, indTable).allowFiltering();
            Where whereClause = Cql3Util.createRowQuery(from, to, columnMeta, selectQuery, rowKeyString);
            Query query = null;

            if (batchSize != null)
                query = whereClause.limit(batchSize);
            else
                query = whereClause.disableTracing();
            //System.out.println("QUERY IS: " + query);
            resultSet = session.execute(query);

            // Need to see where we use this batchListener
            if (batchListener != null && batchSize != null)
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        String rowKeyString = StandardConverters.convertFromBytes(String.class, rowKey);

        for (byte[] val : values) {
            Select selectQuery = QueryBuilder.select().all().from(keySpace, indTable).allowFiltering();
            Where selectWhere = selectQuery.where();
            Clause rkClause = QueryBuilder.eq("id", rowKeyString);
            selectWhere.and(rkClause);

            Object value = null;
            value = columnMeta.getStorageType().convertFromNoSql(val);
            value = Cql3Util.checkForBoolean(value);

            Clause valClause = QueryBuilder.eq("colname", value);
            selectWhere.and(valClause);

            Query query = selectWhere.disableTracing();

            System.out.println("QUERY of STARTQUERYMANYKEY IS: " + query);
            Future future = session.executeAsync(query);
            futures.add(future);
        }
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    }

    public boolean findIndexRow(String table, String rowKey, byte[] key) {
        Select selectQuery = QueryBuilder.select().all().from(keys, table).allowFiltering();
        //Where whereClause = Cql3Util.createRowQuery(from, to, columnMeta, selectQuery, rowKeyString);
        Where selectWhere = selectQuery.where();
        Clause rkClause = QueryBuilder.eq("id", rowKey);
        selectWhere.and(rkClause);
        Clause keyClause = QueryBuilder.lte("colvalue", ByteBuffer.wrap(key));
        selectWhere.and(keyClause);
        Query query = selectWhere.limit(1);
        //System.out.println("QUERY FOR FINDINDEXROW IS: " + query);
        ResultSet resultSet = session.execute(query);
        return !resultSet.isExhausted();
    }
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    c.setValue(null);
    return c;
  }

  public static Where createRowQuery(Key from, Key to, DboColumnMeta colMeta, Select selectQuery, String rowKey) {
        Where selectWhere = selectQuery.where();
        Clause rkClause = QueryBuilder.eq("id", rowKey);
        selectWhere.and(rkClause);

        Object valFrom = null, valTo = null;
    if (colMeta != null) {
      if (from != null) {
        valFrom = colMeta.getStorageType().convertFromNoSql(from.getKey());
                valFrom = checkForBoolean(valFrom);
      }
      if (to != null) {
        valTo = colMeta.getStorageType().convertFromNoSql(to.getKey());
                valTo = checkForBoolean(valTo);
      }
    } else
      return selectWhere;

        if (from != null) {
            if (from.isInclusive()) {
                Clause gteClause = QueryBuilder.gte("colname", valFrom);
                selectWhere.and(gteClause);
            } else {
                Clause gtClause = QueryBuilder.gt("colname", valFrom);
                selectWhere.and(gtClause);
            }

        }
        if (to != null) {
            if (to.isInclusive()) {
                Clause lteClause = QueryBuilder.lte("colname", valTo);
                selectWhere.and(lteClause);
            }
            else {
                Clause ltClause = QueryBuilder.lt("colname", valTo);
                selectWhere.and(ltClause);
            }
    }
    return selectWhere;
  }
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