Examples with RelDataTypeFactory org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeFactory used on opensource projects

Example 41 with RelDataTypeFactory

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeFactory in project calcite by apache.

the class SqlOperatorBaseTest method testArgumentBounds.

/**
 * Test that calls all operators with all possible argument types, and for
 * each type, with a set of tricky values.
 */
@Test
public void testArgumentBounds() {
    if (!CalciteAssert.ENABLE_SLOW) {
        return;
    }
    final SqlValidatorImpl validator = (SqlValidatorImpl) tester.getValidator();
    final SqlValidatorScope scope = validator.getEmptyScope();
    final RelDataTypeFactory typeFactory = validator.getTypeFactory();
    final Builder builder = new Builder(typeFactory);
    builder.add0(SqlTypeName.BOOLEAN, true, false);
    builder.add0(SqlTypeName.TINYINT, 0, 1, -3, Byte.MAX_VALUE, Byte.MIN_VALUE);
    builder.add0(SqlTypeName.SMALLINT, 0, 1, -4, Short.MAX_VALUE, Short.MIN_VALUE);
    builder.add0(SqlTypeName.INTEGER, 0, 1, -2, Integer.MIN_VALUE, Integer.MAX_VALUE);
    builder.add0(SqlTypeName.BIGINT, 0, 1, -5, Integer.MAX_VALUE, Long.MAX_VALUE, Long.MIN_VALUE);
    builder.add1(SqlTypeName.VARCHAR, 11, "", " ", "hello world");
    builder.add1(SqlTypeName.CHAR, 5, "", "e", "hello");
    builder.add0(SqlTypeName.TIMESTAMP, 0L, DateTimeUtils.MILLIS_PER_DAY);
    for (SqlOperator op : SqlStdOperatorTable.instance().getOperatorList()) {
        switch(op.getKind()) {
            // can't handle the flag argument
            case TRIM:
            case EXISTS:
                continue;
        }
        switch(op.getSyntax()) {
            case SPECIAL:
                continue;
        }
        final SqlOperandTypeChecker typeChecker = op.getOperandTypeChecker();
        if (typeChecker == null) {
            continue;
        }
        final SqlOperandCountRange range = typeChecker.getOperandCountRange();
        for (int n = range.getMin(), max = range.getMax(); n <= max; n++) {
            final List<List<ValueType>> argValues = Collections.nCopies(n, builder.values);
            for (final List<ValueType> args : Linq4j.product(argValues)) {
                SqlNodeList nodeList = new SqlNodeList(SqlParserPos.ZERO);
                int nullCount = 0;
                for (ValueType arg : args) {
                    if (arg.value == null) {
                        ++nullCount;
                    }
                    nodeList.add(arg.node);
                }
                final SqlCall call = op.createCall(nodeList);
                final SqlCallBinding binding = new SqlCallBinding(validator, scope, call);
                if (!typeChecker.checkOperandTypes(binding, false)) {
                    continue;
                }
                final SqlPrettyWriter writer = new SqlPrettyWriter(CalciteSqlDialect.DEFAULT);
                op.unparse(writer, call, 0, 0);
                final String s = writer.toSqlString().toString();
                if (s.startsWith("OVERLAY(") || s.contains(" / 0") || s.matches("MOD\\(.*, 0\\)")) {
                    continue;
                }
                final Strong.Policy policy = Strong.policy(op.kind);
                try {
                    if (nullCount > 0 && policy == Strong.Policy.ANY) {
                        tester.checkNull(s);
                    } else {
                        final String query;
                        if (op instanceof SqlAggFunction) {
                            if (op.requiresOrder()) {
                                query = "SELECT " + s + " OVER () FROM (VALUES (1))";
                            } else {
                                query = "SELECT " + s + " FROM (VALUES (1))";
                            }
                        } else {
                            query = SqlTesterImpl.buildQuery(s);
                        }
                        tester.check(query, SqlTests.ANY_TYPE_CHECKER, SqlTests.ANY_PARAMETER_CHECKER, SqlTests.ANY_RESULT_CHECKER);
                    }
                } catch (Error e) {
                    System.out.println(s + ": " + e.getMessage());
                    throw e;
                } catch (Exception e) {
                    System.out.println("Failed: " + s + ": " + e.getMessage());
                }
            }
        }
    }
}

Example 42 with RelDataTypeFactory

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeFactory in project calcite by apache.

the class RexImpTable method harmonize.

/**
 * Ensures that operands have identical type.
 */
private static List<RexNode> harmonize(final RexToLixTranslator translator, final List<RexNode> operands) {
    int nullCount = 0;
    final List<RelDataType> types = new ArrayList<>();
    final RelDataTypeFactory typeFactory = translator.builder.getTypeFactory();
    for (RexNode operand : operands) {
        RelDataType type = operand.getType();
        type = toSql(typeFactory, type);
        if (translator.isNullable(operand)) {
            ++nullCount;
        } else {
            type = typeFactory.createTypeWithNullability(type, false);
        }
        types.add(type);
    }
    if (allSame(types)) {
        // unchanged.
        return operands;
    }
    final RelDataType type = typeFactory.leastRestrictive(types);
    if (type == null) {
        // to be harmonized.
        return operands;
    }
    assert (nullCount > 0) == type.isNullable();
    final List<RexNode> list = new ArrayList<>();
    for (RexNode operand : operands) {
        list.add(translator.builder.ensureType(type, operand, false));
    }
    return list;
}

Example 43 with RelDataTypeFactory

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeFactory in project calcite by apache.

the class LoptOptimizeJoinRule method createReplacementJoin.

/**
 * Creates a replacement join, projecting either dummy columns or
 * replacement keys from the factor that doesn't actually need to be joined.
 *
 * @param multiJoin join factors being optimized
 * @param semiJoinOpt optimal semijoins for each factor
 * @param currJoinTree current join tree being added to
 * @param leftIdx if ≥ 0, when creating the replacement join, only consider
 * filters that reference leftIdx in currJoinTree; otherwise, consider all
 * filters that reference any factor in currJoinTree
 * @param factorToAdd new factor whose join can be removed
 * @param newKeys join keys that need to be replaced
 * @param replacementKeys the keys that replace the join keys; null if we're
 * removing the null generating factor in an outer join
 * @param filtersToAdd filters remaining to be added; filters added to the
 * new join tree are removed from the list
 *
 * @return created join tree with an appropriate projection for the factor
 * that can be removed
 */
private LoptJoinTree createReplacementJoin(RelBuilder relBuilder, LoptMultiJoin multiJoin, LoptSemiJoinOptimizer semiJoinOpt, LoptJoinTree currJoinTree, int leftIdx, int factorToAdd, ImmutableIntList newKeys, Integer[] replacementKeys, List<RexNode> filtersToAdd) {
    // create a projection, projecting the fields from the join tree
    // containing the current joinRel and the new factor; for fields
    // corresponding to join keys, replace them with the corresponding key
    // from the replacementKeys passed in; for other fields, just create a
    // null expression as a placeholder for the column; this is done so we
    // don't have to adjust the offsets of other expressions that reference
    // the new factor; the placeholder expression values should never be
    // referenced, so that's why it's ok to create these possibly invalid
    // expressions
    RelNode currJoinRel = currJoinTree.getJoinTree();
    List<RelDataTypeField> currFields = currJoinRel.getRowType().getFieldList();
    final int nCurrFields = currFields.size();
    List<RelDataTypeField> newFields = multiJoin.getJoinFactor(factorToAdd).getRowType().getFieldList();
    final int nNewFields = newFields.size();
    List<Pair<RexNode, String>> projects = Lists.newArrayList();
    RexBuilder rexBuilder = currJoinRel.getCluster().getRexBuilder();
    RelDataTypeFactory typeFactory = rexBuilder.getTypeFactory();
    for (int i = 0; i < nCurrFields; i++) {
        projects.add(Pair.of((RexNode) rexBuilder.makeInputRef(currFields.get(i).getType(), i), currFields.get(i).getName()));
    }
    for (int i = 0; i < nNewFields; i++) {
        RexNode projExpr;
        RelDataType newType = newFields.get(i).getType();
        if (!newKeys.contains(i)) {
            if (replacementKeys == null) {
                // null generating factor in an outer join; so make the
                // type nullable
                newType = typeFactory.createTypeWithNullability(newType, true);
            }
            projExpr = rexBuilder.makeCast(newType, rexBuilder.constantNull());
        } else {
            RelDataTypeField mappedField = currFields.get(replacementKeys[i]);
            RexNode mappedInput = rexBuilder.makeInputRef(mappedField.getType(), replacementKeys[i]);
            // if the types aren't the same, create a cast
            if (mappedField.getType() == newType) {
                projExpr = mappedInput;
            } else {
                projExpr = rexBuilder.makeCast(newFields.get(i).getType(), mappedInput);
            }
        }
        projects.add(Pair.of(projExpr, newFields.get(i).getName()));
    }
    relBuilder.push(currJoinRel);
    relBuilder.project(Pair.left(projects), Pair.right(projects));
    // remove the join conditions corresponding to the join we're removing;
    // we don't actually need to use them, but we need to remove them
    // from the list since they're no longer needed
    LoptJoinTree newTree = new LoptJoinTree(semiJoinOpt.getChosenSemiJoin(factorToAdd), factorToAdd);
    addFilters(multiJoin, currJoinTree, leftIdx, newTree, filtersToAdd, false);
    // LogicalFilter placed on top off the projection created above.
    if (leftIdx >= 0) {
        addAdditionalFilters(relBuilder, multiJoin, currJoinTree, newTree, filtersToAdd);
    }
    // from the new factor as we go up in the join tree
    return new LoptJoinTree(relBuilder.build(), currJoinTree.getFactorTree(), newTree.getFactorTree());
}

Example 44 with RelDataTypeFactory

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeFactory in project calcite by apache.

the class RelDecorrelator method projectJoinOutputWithNullability.

/**
 * Pulls project above the join from its RHS input. Enforces nullability
 * for join output.
 *
 * @param join          Join
 * @param project       Original project as the right-hand input of the join
 * @param nullIndicatorPos Position of null indicator
 * @return the subtree with the new Project at the root
 */
private RelNode projectJoinOutputWithNullability(LogicalJoin join, LogicalProject project, int nullIndicatorPos) {
    final RelDataTypeFactory typeFactory = join.getCluster().getTypeFactory();
    final RelNode left = join.getLeft();
    final JoinRelType joinType = join.getJoinType();
    RexInputRef nullIndicator = new RexInputRef(nullIndicatorPos, typeFactory.createTypeWithNullability(join.getRowType().getFieldList().get(nullIndicatorPos).getType(), true));
    // now create the new project
    List<Pair<RexNode, String>> newProjExprs = Lists.newArrayList();
    // project everything from the LHS and then those from the original
    // projRel
    List<RelDataTypeField> leftInputFields = left.getRowType().getFieldList();
    for (int i = 0; i < leftInputFields.size(); i++) {
        newProjExprs.add(RexInputRef.of2(i, leftInputFields));
    }
    // Marked where the projected expr is coming from so that the types will
    // become nullable for the original projections which are now coming out
    // of the nullable side of the OJ.
    boolean projectPulledAboveLeftCorrelator = joinType.generatesNullsOnRight();
    for (Pair<RexNode, String> pair : project.getNamedProjects()) {
        RexNode newProjExpr = removeCorrelationExpr(pair.left, projectPulledAboveLeftCorrelator, nullIndicator);
        newProjExprs.add(Pair.of(newProjExpr, pair.right));
    }
    return relBuilder.push(join).projectNamed(Pair.left(newProjExprs), Pair.right(newProjExprs), true).build();
}

Example 45 with RelDataTypeFactory

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeFactory in project calcite by apache.

the class CalciteCatalogReader method infer.

private static SqlReturnTypeInference infer(final ScalarFunction function) {
    return new SqlReturnTypeInference() {

        public RelDataType inferReturnType(SqlOperatorBinding opBinding) {
            final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
            final RelDataType type;
            if (function instanceof ScalarFunctionImpl) {
                type = ((ScalarFunctionImpl) function).getReturnType(typeFactory, opBinding);
            } else {
                type = function.getReturnType(typeFactory);
            }
            return toSql(typeFactory, type);
        }
    };
}