Examples with FieldReference org.apache.drill.common.expression.FieldReference used on opensource projects

Example 41 with FieldReference

use of org.apache.drill.common.expression.FieldReference in project drill by apache.

the class ExpressionTreeMaterializerTest method testMaterializingLateboundTreeValidated.

@Test
public void testMaterializingLateboundTreeValidated(@Injectable final RecordBatch batch) throws SchemaChangeException {
    ErrorCollector ec = new ErrorCollector() {

        int errorCount = 0;

        @Override
        public void addGeneralError(ExpressionPosition expr, String s) {
            errorCount++;
        }

        @Override
        public void addUnexpectedArgumentType(ExpressionPosition expr, String name, MajorType actual, MajorType[] expected, int argumentIndex) {
            errorCount++;
        }

        @Override
        public void addUnexpectedArgumentCount(ExpressionPosition expr, int actual, Range<Integer> expected) {
            errorCount++;
        }

        @Override
        public void addUnexpectedArgumentCount(ExpressionPosition expr, int actual, int expected) {
            errorCount++;
        }

        @Override
        public void addNonNumericType(ExpressionPosition expr, MajorType actual) {
            errorCount++;
        }

        @Override
        public void addUnexpectedType(ExpressionPosition expr, int index, MajorType actual) {
            errorCount++;
        }

        @Override
        public void addExpectedConstantValue(ExpressionPosition expr, int actual, String s) {
            errorCount++;
        }

        @Override
        public boolean hasErrors() {
            return errorCount > 0;
        }

        @Override
        public String toErrorString() {
            return String.format("Found %s errors.", errorCount);
        }

        @Override
        public int getErrorCount() {
            return errorCount;
        }
    };
    new NonStrictExpectations() {

        {
            batch.getValueVectorId(new SchemaPath("test", ExpressionPosition.UNKNOWN));
            result = new TypedFieldId(Types.required(MinorType.BIGINT), -5);
        }
    };
    new MockUp<RemoteFunctionRegistry>() {

        @Mock
        long getRegistryVersion() {
            return 0L;
        }
    };
    LogicalExpression functionCallExpr = new FunctionCall("testFunc", ImmutableList.of((LogicalExpression) new FieldReference("test", ExpressionPosition.UNKNOWN)), ExpressionPosition.UNKNOWN);
    LogicalExpression newExpr = ExpressionTreeMaterializer.materialize(functionCallExpr, batch, ec, registry);
    assertTrue(newExpr instanceof TypedNullConstant);
    assertEquals(1, ec.getErrorCount());
    System.out.println(ec.toErrorString());
}

Example 42 with FieldReference

use of org.apache.drill.common.expression.FieldReference in project drill by axbaretto.

the class AggPrelBase method createKeysAndExprs.

protected void createKeysAndExprs() {
    final List<String> childFields = getInput().getRowType().getFieldNames();
    final List<String> fields = getRowType().getFieldNames();
    for (int group : BitSets.toIter(groupSet)) {
        FieldReference fr = FieldReference.getWithQuotedRef(childFields.get(group));
        keys.add(new NamedExpression(fr, fr));
    }
    for (Ord<AggregateCall> aggCall : Ord.zip(aggCalls)) {
        int aggExprOrdinal = groupSet.cardinality() + aggCall.i;
        FieldReference ref = FieldReference.getWithQuotedRef(fields.get(aggExprOrdinal));
        LogicalExpression expr = toDrill(aggCall.e, childFields);
        NamedExpression ne = new NamedExpression(expr, ref);
        aggExprs.add(ne);
        if (getOperatorPhase() == OperatorPhase.PHASE_1of2) {
            if (aggCall.e.getAggregation().getName().equals("COUNT")) {
                // If we are doing a COUNT aggregate in Phase1of2, then in Phase2of2 we should SUM the COUNTs,
                SqlAggFunction sumAggFun = new SqlSumCountAggFunction(aggCall.e.getType());
                AggregateCall newAggCall = AggregateCall.create(sumAggFun, aggCall.e.isDistinct(), aggCall.e.isApproximate(), Collections.singletonList(aggExprOrdinal), aggCall.e.filterArg, aggCall.e.getType(), aggCall.e.getName());
                phase2AggCallList.add(newAggCall);
            } else {
                AggregateCall newAggCall = AggregateCall.create(aggCall.e.getAggregation(), aggCall.e.isDistinct(), aggCall.e.isApproximate(), Collections.singletonList(aggExprOrdinal), aggCall.e.filterArg, aggCall.e.getType(), aggCall.e.getName());
                phase2AggCallList.add(newAggCall);
            }
        }
    }
}

Example 43 with FieldReference

use of org.apache.drill.common.expression.FieldReference in project drill by axbaretto.

the class PrelUtil method getOrdering.

public static List<Ordering> getOrdering(RelCollation collation, RelDataType rowType) {
    List<Ordering> orderExpr = Lists.newArrayList();
    final List<String> childFields = rowType.getFieldNames();
    for (RelFieldCollation fc : collation.getFieldCollations()) {
        FieldReference fr = new FieldReference(childFields.get(fc.getFieldIndex()), ExpressionPosition.UNKNOWN, false);
        orderExpr.add(new Ordering(fc.getDirection(), fr, fc.nullDirection));
    }
    return orderExpr;
}

Example 44 with FieldReference

use of org.apache.drill.common.expression.FieldReference in project drill by axbaretto.

the class DrillWindowRel method implement.

@Override
public LogicalOperator implement(DrillImplementor implementor) {
    final LogicalOperator inputOp = implementor.visitChild(this, 0, getInput());
    org.apache.drill.common.logical.data.Window.Builder builder = new org.apache.drill.common.logical.data.Window.Builder();
    final List<String> fields = getRowType().getFieldNames();
    final List<String> childFields = getInput().getRowType().getFieldNames();
    for (Group window : groups) {
        for (RelFieldCollation orderKey : window.orderKeys.getFieldCollations()) {
            builder.addOrdering(new Order.Ordering(orderKey.getDirection(), new FieldReference(fields.get(orderKey.getFieldIndex()))));
        }
        for (int group : BitSets.toIter(window.keys)) {
            FieldReference fr = new FieldReference(childFields.get(group), ExpressionPosition.UNKNOWN);
            builder.addWithin(fr, fr);
        }
        int groupCardinality = window.keys.cardinality();
        for (Ord<AggregateCall> aggCall : Ord.zip(window.getAggregateCalls(this))) {
            FieldReference ref = new FieldReference(fields.get(groupCardinality + aggCall.i));
            LogicalExpression expr = toDrill(aggCall.e, childFields);
            builder.addAggregation(ref, expr);
        }
    }
    builder.setInput(inputOp);
    org.apache.drill.common.logical.data.Window frame = builder.build();
    return frame;
}

Example 45 with FieldReference

use of org.apache.drill.common.expression.FieldReference in project drill by axbaretto.

the class DrillSortRel method implement.

@Override
public LogicalOperator implement(DrillImplementor implementor) {
    final Order.Builder builder = Order.builder();
    builder.setInput(implementor.visitChild(this, 0, getInput()));
    final List<String> childFields = getInput().getRowType().getFieldNames();
    for (RelFieldCollation fieldCollation : this.collation.getFieldCollations()) {
        builder.addOrdering(fieldCollation.getDirection(), new FieldReference(childFields.get(fieldCollation.getFieldIndex())), fieldCollation.nullDirection);
    }
    return builder.build();
}