Package org.eigenbase.reltype

Examples of org.eigenbase.reltype.RelDataTypeFieldImpl

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        return f;
      }
    }

    /* This field does not exist in our field list add it */
    RelDataTypeField newField = new RelDataTypeFieldImpl(fieldName, fields.size(), typeFactory.createTypeWithNullability(typeFactory.createSqlType(SqlTypeName.ANY), true));

    /* Add the name to our list of field names */
    fields.add(newField);

    return newField;
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      addField(column);
    computeDigest();
  }

  private void addField(String columnName) {
    RelDataTypeField newField = new RelDataTypeFieldImpl(
        columnName, fields.size(), typeFactory.createTypeWithNullability(typeFactory.createSqlType(SqlTypeName.ANY), true));
    fields.add(newField);
  }
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  public static DrillProjectRel convert(Project project, ConversionContext context) throws InvalidRelException{
    RelNode input = context.toRel(project.getInput());
    List<RelDataTypeField> fields = Lists.newArrayList();
    List<RexNode> exps = Lists.newArrayList();
    for(NamedExpression expr : project.getSelections()){
      fields.add(new RelDataTypeFieldImpl(expr.getRef().getRootSegment().getPath(), fields.size(), context.getTypeFactory().createSqlType(SqlTypeName.ANY) ));
      exps.add(context.toRex(expr.getExpr()));
    }
    return new DrillProjectRel(context.getCluster(), context.getLogicalTraits(), input, exps, new RelRecordType(fields));
  }
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    }
  }

  private RelDataType getCountDirectScanRowType(RelDataTypeFactory typeFactory) {
    List<RelDataTypeField> fields = Lists.newArrayList();
    fields.add(new RelDataTypeFieldImpl("count", 0, typeFactory.createSqlType(SqlTypeName.BIGINT)));

    return new RelRecordType(fields);
  }
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    }
    computeDigest();
  }

  private void addField(String columnName) {
    RelDataTypeField newField = new RelDataTypeFieldImpl(
        columnName, fields.size(), typeFactory.createTypeWithNullability(typeFactory.createSqlType(SqlTypeName.ANY), true));
    fields.add(newField);
  }
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    List<RexNode> allExprs = new ArrayList();
    for (int index = 0; index < lastRexInput; index++) {
      RexBuilder builder = new RexBuilder(factory);
      allExprs.add(builder.makeInputRef( new RelDataTypeDrillImpl(new RelDataTypeHolder(), factory), index));
      relDataTypes.add(new RelDataTypeFieldImpl("EXPR$" + index, allExprs.size(), factory.createSqlType(SqlTypeName.ANY) ));
    }
    RexNode currRexNode;
    int index = lastRexInput - 1;

    // if the projection expressions contained complex outputs, split them into their own individual projects
    if (complexExprs.size() > 0 ) {
      while (complexExprs.size() > 0) {
        if ( index >= lastRexInput ) {
          allExprs.remove(allExprs.size() - 1);
          RexBuilder builder = new RexBuilder(factory);
          allExprs.add(builder.makeInputRef( new RelDataTypeDrillImpl(new RelDataTypeHolder(), factory), index));
        }
        index++;
        currRexNode = complexExprs.remove(0);
        allExprs.add(currRexNode);
        relDataTypes.add(new RelDataTypeFieldImpl("EXPR$" + index, allExprs.size(), factory.createSqlType(SqlTypeName.ANY) ));
        childProject = new ProjectPrel(project.getCluster(), project.getTraitSet(), originalInput, ImmutableList.copyOf(allExprs), new RelRecordType(relDataTypes));
        originalInput = childProject;
      }
      // copied from above, find a better way to do this
      allExprs.remove(allExprs.size() - 1);
      RexBuilder builder = new RexBuilder(factory);
      allExprs.add(builder.makeInputRef( new RelDataTypeDrillImpl(new RelDataTypeHolder(), factory), index));
      relDataTypes.add(new RelDataTypeFieldImpl("EXPR$" + index, allExprs.size(), factory.createSqlType(SqlTypeName.ANY) ));
    }
    return new ProjectPrel(project.getCluster(), project.getTraitSet(), originalInput, exprList, new RelRecordType(origRelDataTypes));
  }
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    }
  }

  private RelDataType getCountDirectScanRowType(RelDataTypeFactory typeFactory) {
    List<RelDataTypeField> fields = Lists.newArrayList();
    fields.add(new RelDataTypeFieldImpl("count", 0, typeFactory.createSqlType(SqlTypeName.BIGINT)));

    return new RelRecordType(fields);
  }
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  public static DrillProjectRel convert(Project project, ConversionContext context) throws InvalidRelException{
    RelNode input = context.toRel(project.getInput());
    List<RelDataTypeField> fields = Lists.newArrayList();
    List<RexNode> exps = Lists.newArrayList();
    for(NamedExpression expr : project.getSelections()){
      fields.add(new RelDataTypeFieldImpl(expr.getRef().getRootSegment().getPath(), fields.size(), context.getTypeFactory().createSqlType(SqlTypeName.ANY) ));
      exps.add(context.toRex(expr.getExpr()));
    }
    return new DrillProjectRel(context.getCluster(), context.getLogicalTraits(), input, exps, new RelRecordType(fields));
  }
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        throw new IllegalStateException( "unknown type: " + type.getClass().getSimpleName() );

      Comparable comparable = sourceFields.get( i );
      String fieldName = comparable instanceof String ? (String) comparable : comparable.toString();

      fields.add( new RelDataTypeFieldImpl( fieldName, i, javaType ) );
      }

    return canonize( new FieldRecordType( sourceFields, fields ) );
    }
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Related Classes of org.eigenbase.reltype.RelDataTypeFieldImpl

  • cascading.lingual.optiq.FieldTypeFactory
  • org.apache.drill.exec.planner.logical.DrillProjectRel
  • org.apache.drill.exec.planner.physical.ConvertCountToDirectScan
  • org.apache.drill.exec.planner.physical.visitor.SplitUpComplexExpressions
  • org.apache.drill.exec.planner.types.DrillFixedRelDataTypeImpl
  • org.apache.drill.exec.planner.types.RelDataTypeHolder
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