Package org.apache.hadoop.hive.ql.plan

Examples of org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc

147
148
149
150
151
152
153
154
155
156
157
          unknown = true;
        }
      }
     
      if (unknown)
        newfd = new exprNodeConstantDesc(fd.getTypeInfo(), null);
      else {
        // Create the list of children
        ArrayList<exprNodeDesc> children = new ArrayList<exprNodeDesc>();
        for(Object child: nodeOutputs) {
          children.add((exprNodeDesc) child);
View Full Code Here
185
186
187
188
189
190
191
192
193
194
195
      assert(idx == 0);

      exprNodeDesc newnd = null;
      if (unknown) {
        newnd = new exprNodeConstantDesc(fnd.getTypeInfo(), null);
      }
      else {
        newnd = new exprNodeFieldDesc(fnd.getTypeInfo(), left_nd, fnd.getFieldName(), fnd.getIsList());
      }
      return newnd;
View Full Code Here
164
165
166
167
168
169
170
        // do nothing here, we will throw an exception in the following block
      }
      if (v == null) {
        throw new SemanticException(ErrorMsg.INVALID_NUMERICAL_CONSTANT.getMsg(expr));
      }
      return new exprNodeConstantDesc(v);
    }
View Full Code Here
211
212
213
214
215
216
217
      default:
        // HiveParser.identifier | HiveParse.KW_IF | HiveParse.KW_LEFT | HiveParse.KW_RIGHT
        str = BaseSemanticAnalyzer.unescapeIdentifier(expr.getText());
        break;
      }
      return new exprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, str);
    }
View Full Code Here
256
257
258
259
260
261
262
        bool = Boolean.FALSE;
        break;
      default:
        assert false;
      }
      return new exprNodeConstantDesc(TypeInfoFactory.booleanTypeInfo, bool);     
    }
View Full Code Here
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
        // "." :  FIELD Expression
        assert(children.size() == 2);
        // Only allow constant field name for now
        assert(children.get(1) instanceof exprNodeConstantDesc);
        exprNodeDesc object = children.get(0);
        exprNodeConstantDesc fieldName = (exprNodeConstantDesc)children.get(1);
        assert(fieldName.getValue() instanceof String);
       
        // Calculate result TypeInfo
        String fieldNameString = (String)fieldName.getValue();
        TypeInfo objectTypeInfo = object.getTypeInfo();
       
        // Allow accessing a field of list element structs directly from a list 
        boolean isList = (object.getTypeInfo().getCategory() == ObjectInspector.Category.LIST);
        if (isList) {
View Full Code Here
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
      case HiveParser.TOK_NULL:
        desc = new exprNodeNullDesc();
        break;
      case HiveParser.Identifier:
        // This is the case for an XPATH element (like "c" in "a.b.c.d")
        desc = new exprNodeConstantDesc(
            TypeInfoFactory.stringTypeInfo,
                SemanticAnalyzer.unescapeIdentifier(expr.getText()));
        break;
      case HiveParser.Number:
        Number v = null;
        try {
          v = Double.valueOf(expr.getText());
          v = Long.valueOf(expr.getText());
          v = Integer.valueOf(expr.getText());
        } catch (NumberFormatException e) {
          // do nothing here, we will throw an exception in the following block
        }
        if (v == null) {
          throw new SemanticException(ErrorMsg.INVALID_NUMERICAL_CONSTANT.getMsg(expr));
        }
        desc = new exprNodeConstantDesc(v);
        break;
      case HiveParser.StringLiteral:
        desc = new exprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, BaseSemanticAnalyzer.unescapeSQLString(expr.getText()));
        break;
      case HiveParser.TOK_CHARSETLITERAL:
        desc = new exprNodeConstantDesc(BaseSemanticAnalyzer.charSetString(expr.getChild(0).getText(), expr.getChild(1).getText()));
        break;
      case HiveParser.KW_TRUE:
        desc = new exprNodeConstantDesc(Boolean.TRUE);
        break;
      case HiveParser.KW_FALSE:
        desc = new exprNodeConstantDesc(Boolean.FALSE);
        break;
    }
    return desc == null ? null : new ExprNodeTempDesc(desc);
  }
View Full Code Here
279
280
281
282
283
284
285
286
287
288
289
                      ((exprNodeGenericFuncDesc)desc).getGenericUDFClass().getAnnotation(UDFType.class) != null &&
                      ((exprNodeGenericFuncDesc)desc).getGenericUDFClass().getAnnotation(UDFType.class).deterministic() == false))
          {
            // If its a non-deterministic UDF or if any child is null, set this node to null
            LOG.trace("Pruner function might be unknown: " + expr.toStringTree());
            desc = new exprNodeConstantDesc(desc.getTypeInfo(), null);
          }

          tempDesc = new ExprNodeTempDesc(desc);
        }
        break;
View Full Code Here
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
        // Set value to null if it's not partition column
        if (tabAlias.equalsIgnoreCase(tableAlias)) {
          desc = new ExprNodeTempDesc(new exprNodeColumnDesc(TypeInfoFactory.stringTypeInfo,
                                                             colName, tabAlias, true));
        } else {               
          desc = new ExprNodeTempDesc(new exprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, null));
        }
      } else {
        TypeInfo typeInfo = TypeInfoUtils.getTypeInfoFromObjectInspector(
            this.metaData.getTableForAlias(tabAlias).getDeserializer().getObjectInspector());
        desc = new ExprNodeTempDesc(
            new exprNodeConstantDesc(((StructTypeInfo)typeInfo).getStructFieldTypeInfo(colName), null));
        onlyContainsPartCols = false;
      }
    } catch (SerDeException e){
      throw new RuntimeException(e);
    }
View Full Code Here
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
    return desc;
  } 
 
  public static boolean mightBeUnknown(exprNodeDesc desc) {
    if (desc instanceof exprNodeConstantDesc) {
      exprNodeConstantDesc d = (exprNodeConstantDesc)desc;
      return d.getValue() == null;
    } else if (desc instanceof exprNodeNullDesc) {
      return false;
    } else if (desc instanceof exprNodeFieldDesc) {
      exprNodeFieldDesc d = (exprNodeFieldDesc)desc;
      return mightBeUnknown(d.getDesc());
    } else if (desc instanceof exprNodeFuncDesc) {
      exprNodeFuncDesc d = (exprNodeFuncDesc)desc;
      for(int i=0; i<d.getChildren().size(); i++) {
        if (mightBeUnknown(d.getChildExprs().get(i))) {
          return true;
        }
      }
      return false;
    } else if (desc instanceof exprNodeGenericFuncDesc) {
      exprNodeGenericFuncDesc d = (exprNodeGenericFuncDesc)desc;
      for(int i=0; i<d.getChildren().size(); i++) {
        if (mightBeUnknown(d.getChildExprs().get(i))) {
          return true;
        }
      }
      return false;
    } else if (desc instanceof exprNodeColumnDesc) {
View Full Code Here
TOP

Related Classes of org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc

  • com.facebook.presto.hive.shaded.org.apache.commons.lang.builder.HashCodeBuilder
  • com.sap.hadoop.windowing.query2.translate.WindowingTypeCheckProcFactory$BoolExprProcessor
  • com.sap.hadoop.windowing.query2.translate.WindowingTypeCheckProcFactory$DefaultExprProcessor
  • com.sap.hadoop.windowing.query2.translate.WindowingTypeCheckProcFactory$NumExprProcessor
  • com.sap.hadoop.windowing.query2.translate.WindowingTypeCheckProcFactory$StrExprProcessor
  • edu.yale.cs.hadoopdb.sms.SQLQueryGenerator
  • org.apache.commons.lang.builder.HashCodeBuilder
  • org.apache.hadoop.hive.accumulo.predicate.AccumuloRangeGenerator
  • org.apache.hadoop.hive.accumulo.predicate.TestAccumuloPredicateHandler
  • org.apache.hadoop.hive.accumulo.predicate.TestAccumuloRangeGenerator
    • 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.