Examples of RelDataTypeFactory

org.eigenbase.reltype.RelDataTypeFactory
RelDataTypeFactory is a factory for datatype descriptors. It defines methods for instantiating and combining SQL, Java, and collection types. The factory also provides methods for return type inference for arithmetic in cases where SQL 2003 is implementation defined or impractical.
This interface is an example of the {@link org.eigenbase.util.Glossary#ABSTRACT_FACTORY_PATTERN abstract factory pattern}. Any implementation of RelDataTypeFactory must ensure that type objects are canonical: two types are equal if and only if they are represented by the same Java object. This reduces memory consumption and comparison cost.

Examples of org.eigenbase.reltype.RelDataTypeFactory

  public RexNode convertCall(SqlRexContext cx, SqlCall call) {
    final RexBuilder rexBuilder = cx.getRexBuilder();
    final List<SqlNode> operands = call.getOperandList();
    final List<RexNode> exprs = new LinkedList<>();


    RelDataTypeFactory typeFactory = cx.getTypeFactory();


    //RelDataType nullableReturnType =


    for (SqlNode node: operands) {
       exprs.add(cx.convertExpression(node));
    }


    // Determine NULL-able using 2nd argument's Null-able.
    RelDataType returnType = typeFactory.createTypeWithNullability(typeFactory.createSqlType(SqlTypeName.BIGINT), exprs.get(1).getType().isNullable());


    return rexBuilder.makeCall(returnType, call.getOperator(), exprs);
  }

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Examples of org.eigenbase.reltype.RelDataTypeFactory


  /*********************** Convert Hive Types To Optiq Types ***********************/
  public static RelDataType getType(RelOptCluster cluster,
    List<ColumnInfo> cInfoLst) throws OptiqSemanticException {
    RexBuilder rexBuilder = cluster.getRexBuilder();
    RelDataTypeFactory dtFactory = rexBuilder.getTypeFactory();
    List<RelDataType> fieldTypes = new LinkedList<RelDataType>();
    List<String> fieldNames = new LinkedList<String>();


    for (ColumnInfo ci : cInfoLst) {
      fieldTypes.add(convert(ci.getType(), dtFactory));
      fieldNames.add(ci.getInternalName());
    }
    return dtFactory.createStructType(fieldTypes, fieldNames);
  }

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Examples of org.eigenbase.reltype.RelDataTypeFactory

  }


  public static RelDataType getType(RelOptCluster cluster, RowResolver rr,
    List<String> neededCols) throws OptiqSemanticException {
    RexBuilder rexBuilder = cluster.getRexBuilder();
    RelDataTypeFactory dtFactory = rexBuilder.getTypeFactory();
    RowSchema rs = rr.getRowSchema();
    List<RelDataType> fieldTypes = new LinkedList<RelDataType>();
    List<String> fieldNames = new LinkedList<String>();


    for (ColumnInfo ci : rs.getSignature()) {
      if (neededCols == null || neededCols.contains(ci.getInternalName())) {
        fieldTypes.add(convert(ci.getType(), dtFactory));
        fieldNames.add(ci.getInternalName());
      }
    }
    return dtFactory.createStructType(fieldTypes, fieldNames);
  }

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Examples of org.eigenbase.reltype.RelDataTypeFactory

            + " to contain only constants. However, " + rexNode.toString() + " is "
            + rexNode.getKind());
      }
    }
    HiveAggregateRel oldAggRel = (HiveAggregateRel) rel;
    RelDataTypeFactory typeFactory = oldAggRel.getCluster().getTypeFactory();
    RelDataType longType = TypeConverter.convert(TypeInfoFactory.longTypeInfo, typeFactory);
    RelDataType intType = TypeConverter.convert(TypeInfoFactory.intTypeInfo, typeFactory);
    // Create the dummy aggregation.
    Aggregation countFn = (Aggregation) SqlFunctionConverter.getOptiqAggFn("count",
        ImmutableList.of(intType), longType);

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Examples of org.eigenbase.reltype.RelDataTypeFactory

  private static final BigInteger MIN_LONG_BI = BigInteger.valueOf(Long.MIN_VALUE),
      MAX_LONG_BI = BigInteger.valueOf(Long.MAX_VALUE);


  protected RexNode convert(ExprNodeConstantDesc literal) throws OptiqSemanticException {
    RexBuilder rexBuilder = cluster.getRexBuilder();
    RelDataTypeFactory dtFactory = rexBuilder.getTypeFactory();
    PrimitiveTypeInfo hiveType = (PrimitiveTypeInfo) literal.getTypeInfo();
    RelDataType optiqDataType = TypeConverter.convert(hiveType, dtFactory);


    PrimitiveCategory hiveTypeCategory = hiveType.getPrimitiveCategory();

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Examples of org.eigenbase.reltype.RelDataTypeFactory

      // TODO: Does HQL allows expressions as aggregate args or can it only be
      // projections from child?
      Integer inputIndx;
      List<Integer> argList = new ArrayList<Integer>();
      RexNode rexNd = null;
      RelDataTypeFactory dtFactory = this.cluster.getTypeFactory();
      ImmutableList.Builder<RelDataType> aggArgRelDTBldr = new ImmutableList.Builder<RelDataType>();
      for (ExprNodeDesc expr : agg.m_aggParams) {
        rexNd = converter.convert(expr);
        inputIndx = rexNodeToPosMap.get(rexNd.toString());
        if (inputIndx == null) {

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Examples of org.eigenbase.reltype.RelDataTypeFactory

  public RexNode convertCall(SqlRexContext cx, SqlCall call) {
    final RexBuilder rexBuilder = cx.getRexBuilder();
    final List<SqlNode> operands = call.getOperandList();
    final List<RexNode> exprs = new LinkedList<>();


    RelDataTypeFactory typeFactory = cx.getTypeFactory();


    //RelDataType nullableReturnType =


    for (SqlNode node: operands) {
       exprs.add(cx.convertExpression(node));
    }


    // Determine NULL-able using 2nd argument's Null-able.
    RelDataType returnType = typeFactory.createTypeWithNullability(typeFactory.createSqlType(SqlTypeName.BIGINT), exprs.get(1).getType().isNullable());


    return rexBuilder.makeCall(returnType, call.getOperator(), exprs);
  }

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Examples of org.eigenbase.reltype.RelDataTypeFactory

      AggregateRelBase oldAggRel,
      AggregateCall oldCall,
      List<AggregateCall> newCalls,
      Map<AggregateCall, RexNode> aggCallMapping) {
    final int nGroups = oldAggRel.getGroupCount();
    RelDataTypeFactory typeFactory =
        oldAggRel.getCluster().getTypeFactory();
    RexBuilder rexBuilder = oldAggRel.getCluster().getRexBuilder();
    int iAvgInput = oldCall.getArgList().get(0);
    RelDataType avgInputType =
        getFieldType(
            oldAggRel.getChild(),
            iAvgInput);
    RelDataType sumType =
        typeFactory.createTypeWithNullability(
            avgInputType,
            avgInputType.isNullable() || nGroups == 0);
    // SqlAggFunction sumAgg = new SqlSumAggFunction(sumType);
    SqlAggFunction sumAgg = new SqlSumEmptyIsZeroAggFunction(sumType);
    AggregateCall sumCall =

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Examples of org.eigenbase.reltype.RelDataTypeFactory

      AggregateRelBase oldAggRel,
      AggregateCall oldCall,
      List<AggregateCall> newCalls,
      Map<AggregateCall, RexNode> aggCallMapping) {
    final int nGroups = oldAggRel.getGroupCount();
    RelDataTypeFactory typeFactory =
        oldAggRel.getCluster().getTypeFactory();
    RexBuilder rexBuilder = oldAggRel.getCluster().getRexBuilder();
    int arg = oldCall.getArgList().get(0);
    RelDataType argType =
        getFieldType(
            oldAggRel.getChild(),
            arg);
    RelDataType sumType =
        typeFactory.createTypeWithNullability(
            argType, argType.isNullable());
    SqlAggFunction sumZeroAgg = new SqlSumEmptyIsZeroAggFunction(sumType);
    AggregateCall sumZeroCall =
        new AggregateCall(
            sumZeroAgg,

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Examples of org.eigenbase.reltype.RelDataTypeFactory

    //   power(
    //     (sum(x * x) - sum(x) * sum(x) / count(x))
    //     / nullif(count(x) - 1, 0),
    //     .5)
    final int nGroups = oldAggRel.getGroupCount();
    RelDataTypeFactory typeFactory =
        oldAggRel.getCluster().getTypeFactory();
    final RexBuilder rexBuilder = oldAggRel.getCluster().getRexBuilder();


    assert oldCall.getArgList().size() == 1 : oldCall.getArgList();
    final int argOrdinal = oldCall.getArgList().get(0);
    final RelDataType argType =
        getFieldType(
            oldAggRel.getChild(),
            argOrdinal);


    // final RexNode argRef = inputExprs.get(argOrdinal);
    RexNode argRef = rexBuilder.makeCall(CastHighOp, inputExprs.get(argOrdinal));
    inputExprs.set(argOrdinal, argRef);


    final RexNode argSquared =
        rexBuilder.makeCall(
            SqlStdOperatorTable.MULTIPLY, argRef, argRef);
    final int argSquaredOrdinal = lookupOrAdd(inputExprs, argSquared);


    final RelDataType sumType =
        typeFactory.createTypeWithNullability(
            argType,
            true);
    final AggregateCall sumArgSquaredAggCall =
        new AggregateCall(
            new SqlSumAggFunction(sumType),

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