Package org.apache.hadoop.hive.ql.exec

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

303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
    // Convert the search condition into a restriction on the HBase scan
    byte [] startRow = HConstants.EMPTY_START_ROW, stopRow = HConstants.EMPTY_END_ROW;
    for (IndexSearchCondition sc : searchConditions){

      ExprNodeConstantEvaluator eval = new ExprNodeConstantEvaluator(sc.getConstantDesc());
      PrimitiveObjectInspector objInspector;
      Object writable;

      try{
        objInspector = (PrimitiveObjectInspector)eval.initialize(null);
        writable = eval.evaluate(null);
      } catch (ClassCastException cce) {
        throw new IOException("Currently only primitve types are supported. Found: " +
            sc.getConstantDesc().getTypeString());
      } catch (HiveException e) {
        throw new IOException(e);
View Full Code Here
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
        "Exactly one search condition expected in push down");
    }

    // Convert the search condition into a restriction on the HBase scan
    IndexSearchCondition sc = searchConditions.get(0);
    ExprNodeConstantEvaluator eval =
      new ExprNodeConstantEvaluator(sc.getConstantDesc());
    byte [] startRow;
    try {
      ObjectInspector objInspector = eval.initialize(null);
      Object writable = eval.evaluate(null);
      ByteStream.Output serializeStream = new ByteStream.Output();
      LazyUtils.writePrimitiveUTF8(
        serializeStream,
        writable,
        (PrimitiveObjectInspector) objInspector,
View Full Code Here
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
    // Convert the search condition into a restriction on the HBase scan
    byte [] startRow = HConstants.EMPTY_START_ROW, stopRow = HConstants.EMPTY_END_ROW;
    for (IndexSearchCondition sc : searchConditions){

      ExprNodeConstantEvaluator eval = new ExprNodeConstantEvaluator(sc.getConstantDesc());
      PrimitiveObjectInspector objInspector;
      Object writable;

      try{
        objInspector = (PrimitiveObjectInspector)eval.initialize(null);
        writable = eval.evaluate(null);
      } catch (ClassCastException cce) {
        throw new IOException("Currently only primitve types are supported. Found: " +
            sc.getConstantDesc().getTypeString());
      } catch (HiveException e) {
        throw new IOException(e);
View Full Code Here
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
    // Convert the search condition into a restriction on the HBase scan
    byte [] startRow = HConstants.EMPTY_START_ROW, stopRow = HConstants.EMPTY_END_ROW;
    for (IndexSearchCondition sc : searchConditions){

      ExprNodeConstantEvaluator eval = new ExprNodeConstantEvaluator(sc.getConstantDesc());
      PrimitiveObjectInspector objInspector;
      Object writable;

      try {
        objInspector = (PrimitiveObjectInspector)eval.initialize(null);
        writable = eval.evaluate(null);
      } catch (ClassCastException cce) {
        throw new IOException("Currently only primitve types are supported. Found: " +
            sc.getConstantDesc().getTypeString());
      } catch (HiveException e) {
        throw new IOException(e);
View Full Code Here
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
        "Exactly one search condition expected in push down");
    }

    // Convert the search condition into a restriction on the HBase scan
    IndexSearchCondition sc = searchConditions.get(0);
    ExprNodeConstantEvaluator eval =
      new ExprNodeConstantEvaluator(sc.getConstantDesc());
    byte [] startRow;
    try {
      ObjectInspector objInspector = eval.initialize(null);
      Object writable = eval.evaluate(null);
      ByteStream.Output serializeStream = new ByteStream.Output();
      LazyUtils.writePrimitiveUTF8(
        serializeStream,
        writable,
        (PrimitiveObjectInspector) objInspector,
View Full Code Here
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
      throws IOException {
    // Convert the search condition into a restriction on the HBase scan
    byte [] startRow = HConstants.EMPTY_START_ROW, stopRow = HConstants.EMPTY_END_ROW;
    for (IndexSearchCondition sc : conditions) {

      ExprNodeConstantEvaluator eval = new ExprNodeConstantEvaluator(sc.getConstantDesc());
      PrimitiveObjectInspector objInspector;
      Object writable;

      try {
        objInspector = (PrimitiveObjectInspector)eval.initialize(null);
        writable = eval.evaluate(null);
      } catch (ClassCastException cce) {
        throw new IOException("Currently only primitve types are supported. Found: " +
            sc.getConstantDesc().getTypeString());
      } catch (HiveException e) {
        throw new IOException(e);
View Full Code Here
318
319
320
321
322
323
324
325
326
327
328
329
330
  }

  private long getTimestampVal(IndexSearchCondition sc) throws IOException {
    long timestamp;
    try {
      ExprNodeConstantEvaluator eval = new ExprNodeConstantEvaluator(sc.getConstantDesc());
      ObjectInspector inspector = eval.initialize(null);
      Object value = eval.evaluate(null);
      if (inspector instanceof LongObjectInspector) {
        timestamp = ((LongObjectInspector)inspector).get(value);
      } else {
        PrimitiveObjectInspector primitive = (PrimitiveObjectInspector) inspector;
        timestamp = PrimitiveObjectInspectorUtils.getTimestamp(value, primitive).getTime();
View Full Code Here
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
  private PrimitiveComparison pCompare;
  private CompareOp cOpt;

  public PushdownTuple(IndexSearchCondition sc, PrimitiveComparison pCompare, CompareOp cOpt)
      throws SerDeException {
    ExprNodeConstantEvaluator eval = new ExprNodeConstantEvaluator(sc.getConstantDesc());

    try {
      this.pCompare = pCompare;
      this.cOpt = cOpt;
      Writable writable = (Writable) eval.evaluate(null);
      constVal = getConstantAsBytes(writable);
    } catch (ClassCastException cce) {
      log.info(StringUtils.stringifyException(cce));
      throw new SerDeException(" Column type mismatch in where clause "
          + sc.getComparisonExpr().getExprString() + " found type "
View Full Code Here
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
    // Convert the search condition into a restriction on the HBase scan
    byte [] startRow = HConstants.EMPTY_START_ROW, stopRow = HConstants.EMPTY_END_ROW;
    for (IndexSearchCondition sc : searchConditions){

      ExprNodeConstantEvaluator eval = new ExprNodeConstantEvaluator(sc.getConstantDesc());
      PrimitiveObjectInspector objInspector;
      Object writable;

      try{
        objInspector = (PrimitiveObjectInspector)eval.initialize(null);
        writable = eval.evaluate(null);
      } catch (ClassCastException cce) {
        throw new IOException("Currently only primitve types are supported. Found: " +
            sc.getConstantDesc().getTypeString());
      } catch (HiveException e) {
        throw new IOException(e);
View Full Code Here
TOP

Related Classes of org.apache.hadoop.hive.ql.exec.ExprNodeConstantEvaluator

  • org.apache.hadoop.hive.accumulo.predicate.PushdownTuple
  • org.apache.hadoop.hive.hbase.HiveHBaseTableInputFormat
  • org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector.PrimitiveCategory
    • Copyright © 2018 www.massapicom. 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.