Package org.apache.hadoop.hive.ql.parse

Examples of org.apache.hadoop.hive.ql.parse.PrunedPartitionList

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    if (HiveConf.getBoolVar(pctx.getConf(), HiveConf.ConfVars.HIVEOPTPPD)) {
      ExprNodeDesc pruner = pctx.getOpToPartPruner().get(ts);
      bypassFilter = PartitionPruner.onlyContainsPartnCols(table, pruner);
    }
    if (aggressive || bypassFilter) {
      PrunedPartitionList pruned = pctx.getPrunedPartitions(alias, ts);
      if (aggressive || !pruned.hasUnknownPartitions()) {
        bypassFilter &= !pruned.hasUnknownPartitions();
        return checkOperators(new FetchData(parent, table, pruned, splitSample), ts,
            aggressive, bypassFilter);
      }
    }
    return null;
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        joinKeyOrder = new Integer[keys.size()];
      }

      Table tbl = topToTable.get(tso);
      if (tbl.isPartitioned()) {
        PrunedPartitionList prunedParts;
        try {
          prunedParts = pGraphContext.getPrunedPartitions(alias, tso);
        } catch (HiveException e) {
          // Has to use full name to make sure it does not conflict with
          // org.apache.commons.lang.StringUtils
          LOG.error(org.apache.hadoop.util.StringUtils.stringifyException(e));
          throw new SemanticException(e.getMessage(), e);
        }
        List<Partition> partitions = prunedParts.getNotDeniedPartns();
        // construct a mapping of (Partition->bucket file names) and (Partition -> bucket number)
        if (partitions.isEmpty()) {
          if (!alias.equals(baseBigAlias)) {
            tblAliasToNumberOfBucketsInEachPartition.put(alias, Arrays.<Integer> asList());
            tblAliasToBucketedFilePathsInEachPartition.put(alias, new ArrayList<List<String>>());
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              }
              newSortPositions.add(sortPos);
            }

            if (srcTable.isPartitioned()) {
              PrunedPartitionList prunedParts = pGraphContext.getOpToPartList().get(ts);
              List<Partition> partitions = prunedParts.getNotDeniedPartns();

              // Support for dynamic partitions can be added later
              // The following is not optimized:
              // insert overwrite table T1(ds='1', hr) select key, value, hr from T2 where ds = '1';
              // where T1 and T2 are bucketed by the same keys and partitioned by ds. hr
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        return null;
      }


      ParseContext pctx = owc.getParseContext();
      PrunedPartitionList prunedPartList;
      try {
        String alias = (String) owc.getParseContext().getTopOps().keySet().toArray()[0];
        prunedPartList = pctx.getPrunedPartitions(alias, top);
      } catch (HiveException e) {
        // Has to use full name to make sure it does not conflict with
        // org.apache.commons.lang.StringUtils
        throw new SemanticException(e.getMessage(), e);
      }

      // Otherwise this is not a sampling predicate. We need to process it.
      ExprNodeDesc predicate = fop.getConf().getPredicate();
      String alias = top.getConf().getAlias();

      ArrayList<Partition> partitions = new ArrayList<Partition>();
      if (prunedPartList == null) {
        return null;
      }

      for (Partition p : prunedPartList.getPartitions()) {
        if (!p.getTable().isPartitioned()) {
          return null;
        }
      }

      partitions.addAll(prunedPartList.getPartitions());

      PcrExprProcFactory.NodeInfoWrapper wrapper = PcrExprProcFactory.walkExprTree(
          alias, partitions, top.getConf().getVirtualCols(), predicate);

      if (wrapper.state == PcrExprProcFactory.WalkState.TRUE) {
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            //if it's null then the partition probably doesn't exist so let's use table permission
            if (tbl.isPartitioned() &&
                tableUsePartLevelAuth.get(tbl.getTableName()) == Boolean.TRUE) {
              String alias_id = topOpMap.getKey();

              PrunedPartitionList partsList = PartitionPruner.prune(tableScanOp,
                  parseCtx, alias_id);
              Set<Partition> parts = partsList.getPartitions();
              for (Partition part : parts) {
                List<String> existingCols = part2Cols.get(part);
                if (existingCols == null) {
                  existingCols = new ArrayList<String>();
                }
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        if (!table.isPartitioned()) {
          currentSize = getSize(conf, table);
        }
        else {
          // For partitioned tables, get the size of all the partitions
          PrunedPartitionList partsList = PartitionPruner.prune(topOp, parseCtx, null);
          for (Partition part : partsList.getNotDeniedPartns()) {
            currentSize += getSize(conf, part);
          }
        }

        if (currentSize > maxSize) {
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      }

      // NOTE: here we should use the new partition predicate pushdown API to get a list of pruned list,
      // and pass it to setTaskPlan as the last parameter
      Set<Partition> confirmedPartns = GenMapRedUtils.getConfirmedPartitionsForScan(parseInfo);
      PrunedPartitionList partitions = null;
      if (confirmedPartns.size() > 0) {
        Table source = queryBlock.getMetaData().getTableForAlias(alias);
        partitions = new PrunedPartitionList(source, confirmedPartns, false);
      }

      MapWork w = utils.createMapWork(context, tableScan, tezWork, partitions);
      w.setGatheringStats(true);
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    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      TableScanOperator ts = (TableScanOperator)nd;
      AnnotateOpTraitsProcCtx opTraitsCtx = (AnnotateOpTraitsProcCtx)procCtx;
      Table table = opTraitsCtx.getParseContext().getTopToTable().get(ts);
      PrunedPartitionList prunedPartList = null;
      try {
        prunedPartList =
            opTraitsCtx.getParseContext().getPrunedPartitions(ts.getConf().getAlias(), ts);
      } catch (HiveException e) {
        prunedPartList = null;
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          } else if (tblSpec.specType == tableSpec.SpecType.DYNAMIC_PARTITION) {
            // dynamic partition
            confirmedPartns.addAll(tblSpec.partitions);
          }
          if (confirmedPartns.size() > 0) {
            PrunedPartitionList partList = new PrunedPartitionList(confirmedPartns, new HashSet<Partition>(), null);
            GenMapRedUtils.setTaskPlan(currAliasId, currTopOp, currWork, false, ctx, partList);
          } else { // non-partitioned table
            GenMapRedUtils.setTaskPlan(currAliasId, currTopOp, currWork, false, ctx);
          }
        }
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                cols.add(columns.get(i).getName());
              }
            }
            if (tbl.isPartitioned()) {
              String alias_id = topOpMap.getKey();
              PrunedPartitionList partsList = PartitionPruner.prune(parseCtx
                  .getTopToTable().get(topOp), parseCtx.getOpToPartPruner()
                  .get(topOp), parseCtx.getConf(), alias_id, parseCtx
                  .getPrunedPartitions());
              Set<Partition> parts = new HashSet<Partition>();
              parts.addAll(partsList.getConfirmedPartns());
              parts.addAll(partsList.getUnknownPartns());
              for (Partition part : parts) {
                part2Cols.put(part, cols);
              }
            } else {
              tab2Cols.put(tbl, cols);
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Related Classes of org.apache.hadoop.hive.ql.parse.PrunedPartitionList

  • org.apache.hadoop.hive.ql.Driver
  • org.apache.hadoop.hive.ql.optimizer.AbstractBucketJoinProc
  • org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc
  • org.apache.hadoop.hive.ql.optimizer.AvgPartitionSizeBasedBigTableSelectorForAutoSMJ
  • org.apache.hadoop.hive.ql.optimizer.BucketingSortingReduceSinkOptimizer$BucketSortReduceSinkProcessor
  • org.apache.hadoop.hive.ql.optimizer.BucketMapJoinOptimizer$BucketMapjoinOptProc
  • org.apache.hadoop.hive.ql.optimizer.DynamicPartitionPruningOptimization
  • org.apache.hadoop.hive.ql.optimizer.GenMapRedUtils
  • org.apache.hadoop.hive.ql.optimizer.GenMRTableScan1
  • org.apache.hadoop.hive.ql.optimizer.GlobalLimitOptimizer
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