Examples of MapJoinOperator

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
  public static class TableScanMapJoin implements NodeProcessor {

    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      MapJoinOperator mapJoin = (MapJoinOperator)nd;
      GenMRProcContext ctx = (GenMRProcContext)procCtx;

      // find the branch on which this processor was invoked
      int pos = getPositionParent(mapJoin, stack);

      Map<Operator<? extends Serializable>, GenMapRedCtx> mapCurrCtx = ctx.getMapCurrCtx();
      GenMapRedCtx mapredCtx = mapCurrCtx.get(mapJoin.getParentOperators().get(pos));
      Task<? extends Serializable> currTask    = mapredCtx.getCurrTask();
      mapredWork currPlan = (mapredWork) currTask.getWork();
      Operator<? extends Serializable> currTopOp   = mapredCtx.getCurrTopOp();
      String currAliasId = mapredCtx.getCurrAliasId();
      Operator<? extends Serializable> reducer = mapJoin;
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
  public static class ReduceSinkMapJoin implements NodeProcessor {

    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      MapJoinOperator mapJoin = (MapJoinOperator)nd;
      GenMRProcContext opProcCtx = (GenMRProcContext)procCtx;
     
      mapredWork cplan = GenMapRedUtils.getMapRedWork();
      ParseContext parseCtx = opProcCtx.getParseCtx();
      Task<? extends Serializable> redTask  = TaskFactory.get(cplan, parseCtx.getConf());
      Task<? extends Serializable> currTask = opProcCtx.getCurrTask();

      // find the branch on which this processor was invoked
      int pos = getPositionParent(mapJoin, stack);
      boolean local = (pos == ((mapJoinDesc)mapJoin.getConf()).getPosBigTable()) ? false : true;
     
      GenMapRedUtils.splitTasks(mapJoin, currTask, redTask, opProcCtx, false, local, pos);

      currTask = opProcCtx.getCurrTask();
      HashMap<Operator<? extends Serializable>, Task<? extends Serializable>> opTaskMap = opProcCtx.getOpTaskMap();
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
     
      SelectOperator  sel     = (SelectOperator)nd;
      MapJoinOperator mapJoin = (MapJoinOperator)sel.getParentOperators().get(0);
      assert sel.getParentOperators().size() == 1;
     
      GenMRProcContext ctx = (GenMRProcContext)procCtx;
      ParseContext parseCtx = ctx.getParseCtx();
     
      // is the mapjoin followed by a reducer
      List<MapJoinOperator> listMapJoinOps = parseCtx.getListMapJoinOpsNoReducer();
     
      if (listMapJoinOps.contains(mapJoin)) {
        ctx.setCurrAliasId(null);
        ctx.setCurrTopOp(null);
        Map<Operator<? extends Serializable>, GenMapRedCtx> mapCurrCtx = ctx.getMapCurrCtx();
        mapCurrCtx.put((Operator<? extends Serializable>)nd, new GenMapRedCtx(ctx.getCurrTask(), null, null));
        return null;
      }

      ctx.setCurrMapJoinOp(mapJoin);
     
      Task<? extends Serializable> currTask = ctx.getCurrTask();
      GenMRMapJoinCtx mjCtx = ctx.getMapJoinCtx(mapJoin);
      if (mjCtx == null) {
        mjCtx = new GenMRMapJoinCtx();
        ctx.setMapJoinCtx(mapJoin, mjCtx);
      }
     
      mapredWork mjPlan = GenMapRedUtils.getMapRedWork();
      Task<? extends Serializable> mjTask = TaskFactory.get(mjPlan, parseCtx.getConf());
     
      tableDesc tt_desc =
        PlanUtils.getIntermediateFileTableDesc(
            PlanUtils.getFieldSchemasFromRowSchema(mapJoin.getSchema(), "temporarycol"));
     
      // generate the temporary file
      Context baseCtx = parseCtx.getContext();
      String taskTmpDir = baseCtx.getMRTmpFileURI();
     
      // Add the path to alias mapping
      mjCtx.setTaskTmpDir(taskTmpDir);
      mjCtx.setTTDesc(tt_desc);
      mjCtx.setRootMapJoinOp(sel);
     
      sel.setParentOperators(null);
     
      // Create a file sink operator for this file name
      Operator<? extends Serializable> fs_op =
        OperatorFactory.get
        (new fileSinkDesc(taskTmpDir, tt_desc,
                          parseCtx.getConf().getBoolVar(HiveConf.ConfVars.COMPRESSINTERMEDIATE)),
         mapJoin.getSchema());
     
      assert mapJoin.getChildOperators().size() == 1;
      mapJoin.getChildOperators().set(0, fs_op);
     
      List<Operator<? extends Serializable>> parentOpList = new ArrayList<Operator<? extends Serializable>>();
      parentOpList.add(mapJoin);
      fs_op.setParentOperators(parentOpList);
     
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
  public static class MapJoinMapJoin implements NodeProcessor {

    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      MapJoinOperator mapJoin = (MapJoinOperator)nd;
      GenMRProcContext ctx = (GenMRProcContext)procCtx;

      ParseContext parseCtx = ctx.getParseCtx();
      MapJoinOperator oldMapJoin = ctx.getCurrMapJoinOp();
      assert oldMapJoin != null;
      GenMRMapJoinCtx mjCtx = ctx.getMapJoinCtx(mapJoin);
      if (mjCtx != null)
        mjCtx.setOldMapJoin(oldMapJoin);
      else
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
        return (new TableScanMapJoin()).process(nd, stack, procCtx, nodeOutputs);
     
      UnionOperator currUnion = ctx.getCurrUnionOp();
      assert currUnion != null;
      GenMRUnionCtx unionCtx = ctx.getUnionTask(currUnion);
      MapJoinOperator mapJoin = (MapJoinOperator)nd;

      // find the branch on which this processor was invoked
      int pos = getPositionParent(mapJoin, stack);

      Map<Operator<? extends Serializable>, GenMapRedCtx> mapCurrCtx = ctx.getMapCurrCtx();
      GenMapRedCtx mapredCtx = mapCurrCtx.get(mapJoin.getParentOperators().get(pos));
      Task<? extends Serializable> currTask    = mapredCtx.getCurrTask();
      mapredWork currPlan = (mapredWork) currTask.getWork();
      Operator<? extends Serializable> reducer = mapJoin;
      HashMap<Operator<? extends Serializable>, Task<? extends Serializable>> opTaskMap = ctx.getOpTaskMap();
      Task<? extends Serializable> opMapTask = opTaskMap.get(reducer);
     
      // union result cannot be a map table
      boolean local = (pos == ((mapJoinDesc)mapJoin.getConf()).getPosBigTable()) ? false : true;
      if (local)
        throw new SemanticException(ErrorMsg.INVALID_MAPJOIN_TABLE.getMsg());
     
      // If the plan for this reducer does not exist, initialize the plan
      if (opMapTask == null) {
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

121
122
123
124
125
126
127
128
129
130
131
      uPlan = (mapredWork)uTask.getWork();
    }

    // If there is a mapjoin at position 'pos'
    if (uPrsCtx.getMapJoinSubq(pos)) {
      MapJoinOperator mjOp = ctx.getCurrMapJoinOp();
      assert mjOp != null;
      GenMRMapJoinCtx mjCtx = ctx.getMapJoinCtx(mjOp);
      assert mjCtx != null;
      mapredWork plan = (mapredWork) currTask.getWork();
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
        PlanUtils.getMapJoinValueTableDesc(PlanUtils.getFieldSchemasFromColumnList(valueCols, "mapjoinvalue"));
   
      valueTableDescs.add(valueTableDesc);
    }
     
    MapJoinOperator mapJoinOp = (MapJoinOperator)putOpInsertMap(OperatorFactory.getAndMakeChild(
      new mapJoinDesc(keyExprMap, keyTableDesc, valueExprMap, valueTableDescs, outputColumnNames, mapJoinPos, joinCondns),
      new RowSchema(outputRS.getColumnInfos()), newPar), outputRS);
   
    mapJoinOp.getConf().setReversedExprs(op.getConf().getReversedExprs());
    mapJoinOp.setColumnExprMap(colExprMap);
   
    // change the children of the original join operator to point to the map join operator
    List<Operator<? extends Serializable>> childOps = op.getChildOperators();
    for (Operator<? extends Serializable> childOp : childOps)
      childOp.replaceParent(op, mapJoinOp);
   
    mapJoinOp.setChildOperators(childOps);
    mapJoinOp.setParentOperators(newParentOps);
    op.setChildOperators(null);
    op.setParentOperators(null);

    // create a dummy select to select all columns
    genSelectPlan(pctx, mapJoinOp);
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

382
383
384
385
386
387
388
389
390
    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
     
      MapJoinWalkerCtx ctx = (MapJoinWalkerCtx)procCtx;
      MapJoinOperator mapJoin = (MapJoinOperator)nd;
      ctx.setCurrMapJoinOp(mapJoin);
      return null;
    }
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

398
399
400
401
402
403
404
405
406
407
408
    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
     
      MapJoinWalkerCtx ctx = (MapJoinWalkerCtx)procCtx;
      MapJoinOperator mapJoin = ctx.getCurrMapJoinOp();
      List<MapJoinOperator> listRejectedMapJoins = ctx.getListRejectedMapJoins();
     
      // the mapjoin has already been handled
      if ((listRejectedMapJoins != null) &&
          (listRejectedMapJoins.contains(mapJoin)))
View Full Code Here

Examples of org.apache.hadoop.hive.ql.exec.MapJoinOperator

424
425
426
427
428
429
430
431
432
433
434
     */
    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      MapJoinWalkerCtx ctx = (MapJoinWalkerCtx)procCtx;
      MapJoinOperator mapJoin = ctx.getCurrMapJoinOp();
      List<MapJoinOperator> listRejectedMapJoins = ctx.getListRejectedMapJoins();
      if (listRejectedMapJoins == null)
        listRejectedMapJoins = new ArrayList<MapJoinOperator>();
      listRejectedMapJoins.add(mapJoin);
      ctx.setListRejectedMapJoins(listRejectedMapJoins);
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.