Examples with BooleanLiteral io.prestosql.sql.tree.BooleanLiteral used on opensource projects

Example 1 with BooleanLiteral

use of io.prestosql.sql.tree.BooleanLiteral in project hetu-core by openlookeng.

the class TestSqlParser method testIf.

@Test
public void testIf() {
    assertExpression("if(true, 1, 0)", new IfExpression(new BooleanLiteral("true"), new LongLiteral("1"), new LongLiteral("0")));
    assertExpression("if(true, 3, null)", new IfExpression(new BooleanLiteral("true"), new LongLiteral("3"), new NullLiteral()));
    assertExpression("if(false, null, 4)", new IfExpression(new BooleanLiteral("false"), new NullLiteral(), new LongLiteral("4")));
    assertExpression("if(false, null, null)", new IfExpression(new BooleanLiteral("false"), new NullLiteral(), new NullLiteral()));
    assertExpression("if(true, 3)", new IfExpression(new BooleanLiteral("true"), new LongLiteral("3"), null));
    assertInvalidExpression("IF(true)", "Invalid number of arguments for 'if' function");
    assertInvalidExpression("IF(true, 1, 0) FILTER (WHERE true)", "FILTER not valid for 'if' function");
    assertInvalidExpression("IF(true, 1, 0) OVER()", "OVER clause not valid for 'if' function");
}

Example 2 with BooleanLiteral

use of io.prestosql.sql.tree.BooleanLiteral in project hetu-core by openlookeng.

the class ValuesMatcher method detailMatches.

@Override
public MatchResult detailMatches(PlanNode node, StatsProvider stats, Session session, Metadata metadata, SymbolAliases symbolAliases) {
    checkState(shapeMatches(node), "Plan testing framework error: shapeMatches returned false in detailMatches in %s", this.getClass().getName());
    ValuesNode valuesNode = (ValuesNode) node;
    if (!expectedRows.map(rows -> rows.equals(valuesNode.getRows().stream().map(rowExpressions -> rowExpressions.stream().map(rowExpression -> {
        if (isExpression(rowExpression)) {
            return castToExpression(rowExpression);
        }
        ConstantExpression expression = (ConstantExpression) rowExpression;
        if (expression.getType().getJavaType() == boolean.class) {
            return new BooleanLiteral(String.valueOf(expression.getValue()));
        }
        if (expression.getType().getJavaType() == long.class) {
            return new LongLiteral(String.valueOf(expression.getValue()));
        }
        if (expression.getType().getJavaType() == double.class) {
            return new DoubleLiteral(String.valueOf(expression.getValue()));
        }
        if (expression.getType().getJavaType() == Slice.class) {
            return new StringLiteral(String.valueOf(expression.getValue()));
        }
        return new GenericLiteral(expression.getType().toString(), String.valueOf(expression.getValue()));
    }).collect(toImmutableList())).collect(toImmutableList()))).orElse(true)) {
        return NO_MATCH;
    }
    return match(SymbolAliases.builder().putAll(Maps.transformValues(outputSymbolAliases, index -> toSymbolReference(valuesNode.getOutputSymbols().get(index)))).build());
}

Example 3 with BooleanLiteral

use of io.prestosql.sql.tree.BooleanLiteral in project hetu-core by openlookeng.

the class LiteralEncoder method toExpression.

public Expression toExpression(Object inputObject, Type type) {
    requireNonNull(type, "type is null");
    Object object = inputObject;
    if (object instanceof Expression) {
        return (Expression) object;
    }
    if (object == null) {
        if (type.equals(UNKNOWN)) {
            return new NullLiteral();
        }
        return new Cast(new NullLiteral(), type.getTypeSignature().toString(), false, true);
    }
    // AbstractIntType internally uses long as javaType. So specially handled for AbstractIntType types.
    Class<?> wrap = Primitives.wrap(type.getJavaType());
    checkArgument(wrap.isInstance(object) || (type instanceof AbstractIntType && wrap == Long.class && Integer.class.isInstance(object)), "object.getClass (%s) and type.getJavaType (%s) do not agree", object.getClass(), type.getJavaType());
    if (type.equals(TINYINT)) {
        return new GenericLiteral("TINYINT", object.toString());
    }
    if (type.equals(SMALLINT)) {
        return new GenericLiteral("SMALLINT", object.toString());
    }
    if (type.equals(INTEGER)) {
        return new LongLiteral(object.toString());
    }
    if (type.equals(BIGINT)) {
        LongLiteral expression = new LongLiteral(object.toString());
        if (expression.getValue() >= Integer.MIN_VALUE && expression.getValue() <= Integer.MAX_VALUE) {
            return new GenericLiteral("BIGINT", object.toString());
        }
        return new LongLiteral(object.toString());
    }
    if (type.equals(DOUBLE)) {
        Double value = (Double) object;
        // When changing this, don't forget about similar code for REAL below
        if (value.isNaN()) {
            return new FunctionCallBuilder(metadata).setName(QualifiedName.of("nan")).build();
        }
        if (value.equals(Double.NEGATIVE_INFINITY)) {
            return ArithmeticUnaryExpression.negative(new FunctionCallBuilder(metadata).setName(QualifiedName.of("infinity")).build());
        }
        if (value.equals(Double.POSITIVE_INFINITY)) {
            return new FunctionCallBuilder(metadata).setName(QualifiedName.of("infinity")).build();
        }
        return new DoubleLiteral(object.toString());
    }
    if (type.equals(REAL)) {
        Float value = intBitsToFloat(((Long) object).intValue());
        // WARNING for ORC predicate code as above (for double)
        if (value.isNaN()) {
            return new Cast(new FunctionCallBuilder(metadata).setName(QualifiedName.of("nan")).build(), StandardTypes.REAL);
        }
        if (value.equals(Float.NEGATIVE_INFINITY)) {
            return ArithmeticUnaryExpression.negative(new Cast(new FunctionCallBuilder(metadata).setName(QualifiedName.of("infinity")).build(), StandardTypes.REAL));
        }
        if (value.equals(Float.POSITIVE_INFINITY)) {
            return new Cast(new FunctionCallBuilder(metadata).setName(QualifiedName.of("infinity")).build(), StandardTypes.REAL);
        }
        return new GenericLiteral("REAL", value.toString());
    }
    if (type instanceof DecimalType) {
        String string;
        if (isShortDecimal(type)) {
            string = Decimals.toString((long) object, ((DecimalType) type).getScale());
        } else {
            string = Decimals.toString((Slice) object, ((DecimalType) type).getScale());
        }
        return new Cast(new DecimalLiteral(string), type.getDisplayName());
    }
    if (type instanceof VarcharType) {
        VarcharType varcharType = (VarcharType) type;
        Slice value = (Slice) object;
        StringLiteral stringLiteral = new StringLiteral(value.toStringUtf8());
        if (!varcharType.isUnbounded() && varcharType.getBoundedLength() == SliceUtf8.countCodePoints(value)) {
            return stringLiteral;
        }
        return new Cast(stringLiteral, type.getDisplayName(), false, true);
    }
    if (type instanceof CharType) {
        StringLiteral stringLiteral = new StringLiteral(((Slice) object).toStringUtf8());
        return new Cast(stringLiteral, type.getDisplayName(), false, true);
    }
    if (type.equals(BOOLEAN)) {
        return new BooleanLiteral(object.toString());
    }
    if (type.equals(DATE)) {
        return new GenericLiteral("DATE", new SqlDate(toIntExact((Long) object)).toString());
    }
    if (type.equals(TIMESTAMP)) {
        return new GenericLiteral("TIMESTAMP", new SqlTimestamp((Long) object).toString());
    }
    if (object instanceof Block) {
        SliceOutput output = new DynamicSliceOutput(toIntExact(((Block) object).getSizeInBytes()));
        BlockSerdeUtil.writeBlock(metadata.getFunctionAndTypeManager().getBlockEncodingSerde(), output, (Block) object);
        object = output.slice();
    // This if condition will evaluate to true: object instanceof Slice && !type.equals(VARCHAR)
    }
    Signature signature = LiteralFunction.getLiteralFunctionSignature(type);
    Type argumentType = typeForLiteralFunctionArgument(type);
    Expression argument;
    if (object instanceof Slice) {
        // HACK: we need to serialize VARBINARY in a format that can be embedded in an expression to be
        // able to encode it in the plan that gets sent to workers.
        // We do this by transforming the in-memory varbinary into a call to from_base64(<base64-encoded value>)
        Slice encoded = VarbinaryFunctions.toBase64((Slice) object);
        argument = new FunctionCallBuilder(metadata).setName(QualifiedName.of("from_base64")).addArgument(VARCHAR, new StringLiteral(encoded.toStringUtf8())).build();
    } else {
        argument = toExpression(object, argumentType);
    }
    return new FunctionCallBuilder(metadata).setName(QualifiedName.of(signature.getNameSuffix())).addArgument(argumentType, argument).build();
}

Example 4 with BooleanLiteral

use of io.prestosql.sql.tree.BooleanLiteral in project hetu-core by openlookeng.

the class TreePrinter method print.

public void print(Node root) {
    AstVisitor<Void, Integer> printer = new DefaultTraversalVisitor<Void, Integer>() {

        @Override
        protected Void visitNode(Node node, Integer indentLevel) {
            throw new UnsupportedOperationException("not yet implemented: " + node);
        }

        @Override
        protected Void visitQuery(Query node, Integer indentLevel) {
            print(indentLevel, "Query ");
            Integer tmpIndentLevel = indentLevel;
            tmpIndentLevel++;
            print(tmpIndentLevel, "QueryBody");
            process(node.getQueryBody(), tmpIndentLevel);
            if (node.getOrderBy().isPresent()) {
                print(tmpIndentLevel, "OrderBy");
                process(node.getOrderBy().get(), tmpIndentLevel + 1);
            }
            if (node.getLimit().isPresent()) {
                print(tmpIndentLevel, "Limit: " + node.getLimit().get());
            }
            return null;
        }

        @Override
        protected Void visitQuerySpecification(QuerySpecification node, Integer indentLevel) {
            print(indentLevel, "QuerySpecification ");
            Integer tmpIndentLevel = indentLevel;
            tmpIndentLevel++;
            process(node.getSelect(), tmpIndentLevel);
            if (node.getFrom().isPresent()) {
                print(tmpIndentLevel, "From");
                process(node.getFrom().get(), tmpIndentLevel + 1);
            }
            if (node.getWhere().isPresent()) {
                print(tmpIndentLevel, "Where");
                process(node.getWhere().get(), tmpIndentLevel + 1);
            }
            if (node.getGroupBy().isPresent()) {
                String distinct = "";
                if (node.getGroupBy().get().isDistinct()) {
                    distinct = "[DISTINCT]";
                }
                print(tmpIndentLevel, "GroupBy" + distinct);
                for (GroupingElement groupingElement : node.getGroupBy().get().getGroupingElements()) {
                    print(tmpIndentLevel, "SimpleGroupBy");
                    if (groupingElement instanceof SimpleGroupBy) {
                        for (Expression column : groupingElement.getExpressions()) {
                            process(column, tmpIndentLevel + 1);
                        }
                    } else if (groupingElement instanceof GroupingSets) {
                        print(tmpIndentLevel + 1, "GroupingSets");
                        for (List<Expression> set : ((GroupingSets) groupingElement).getSets()) {
                            print(tmpIndentLevel + 2, "GroupingSet[");
                            for (Expression expression : set) {
                                process(expression, tmpIndentLevel + 3);
                            }
                            print(tmpIndentLevel + 2, "]");
                        }
                    } else if (groupingElement instanceof Cube) {
                        print(tmpIndentLevel + 1, "Cube");
                        for (Expression column : groupingElement.getExpressions()) {
                            process(column, tmpIndentLevel + 1);
                        }
                    } else if (groupingElement instanceof Rollup) {
                        print(tmpIndentLevel + 1, "Rollup");
                        for (Expression column : groupingElement.getExpressions()) {
                            process(column, tmpIndentLevel + 1);
                        }
                    }
                }
            }
            if (node.getHaving().isPresent()) {
                print(tmpIndentLevel, "Having");
                process(node.getHaving().get(), tmpIndentLevel + 1);
            }
            if (node.getOrderBy().isPresent()) {
                print(tmpIndentLevel, "OrderBy");
                process(node.getOrderBy().get(), tmpIndentLevel + 1);
            }
            if (node.getLimit().isPresent()) {
                print(tmpIndentLevel, "Limit: " + node.getLimit().get());
            }
            return null;
        }

        protected Void visitOrderBy(OrderBy node, Integer indentLevel) {
            for (SortItem sortItem : node.getSortItems()) {
                process(sortItem, indentLevel);
            }
            return null;
        }

        @Override
        protected Void visitSelect(Select node, Integer indentLevel) {
            String distinct = "";
            if (node.isDistinct()) {
                distinct = "[DISTINCT]";
            }
            print(indentLevel, "Select" + distinct);
            // visit children
            super.visitSelect(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitAllColumns(AllColumns node, Integer indent) {
            if (node.getPrefix().isPresent()) {
                print(indent, node.getPrefix() + ".*");
            } else {
                print(indent, "*");
            }
            return null;
        }

        @Override
        protected Void visitSingleColumn(SingleColumn node, Integer indent) {
            if (node.getAlias().isPresent()) {
                print(indent, "Alias: " + node.getAlias().get());
            }
            // visit children
            super.visitSingleColumn(node, indent + 1);
            return null;
        }

        @Override
        protected Void visitComparisonExpression(ComparisonExpression node, Integer indentLevel) {
            print(indentLevel, node.getOperator().toString());
            super.visitComparisonExpression(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitArithmeticBinary(ArithmeticBinaryExpression node, Integer indentLevel) {
            print(indentLevel, node.getOperator().toString());
            super.visitArithmeticBinary(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitLogicalBinaryExpression(LogicalBinaryExpression node, Integer indentLevel) {
            print(indentLevel, node.getOperator().toString());
            super.visitLogicalBinaryExpression(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitStringLiteral(StringLiteral node, Integer indentLevel) {
            print(indentLevel, "String[" + node.getValue() + "]");
            return null;
        }

        @Override
        protected Void visitBinaryLiteral(BinaryLiteral node, Integer indentLevel) {
            print(indentLevel, "Binary[" + node.toHexString() + "]");
            return null;
        }

        @Override
        protected Void visitBooleanLiteral(BooleanLiteral node, Integer indentLevel) {
            print(indentLevel, "Boolean[" + node.getValue() + "]");
            return null;
        }

        @Override
        protected Void visitLongLiteral(LongLiteral node, Integer indentLevel) {
            print(indentLevel, "Long[" + node.getValue() + "]");
            return null;
        }

        @Override
        protected Void visitLikePredicate(LikePredicate node, Integer indentLevel) {
            print(indentLevel, "LIKE");
            super.visitLikePredicate(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitIdentifier(Identifier node, Integer indentLevel) {
            QualifiedName resolved = resolvedNameReferences.get(node);
            String resolvedName = "";
            if (resolved != null) {
                resolvedName = "=>" + resolved.toString();
            }
            print(indentLevel, "Identifier[" + node.getValue() + resolvedName + "]");
            return null;
        }

        @Override
        protected Void visitDereferenceExpression(DereferenceExpression node, Integer indentLevel) {
            QualifiedName resolved = resolvedNameReferences.get(node);
            String resolvedName = "";
            if (resolved != null) {
                resolvedName = "=>" + resolved.toString();
            }
            print(indentLevel, "DereferenceExpression[" + node + resolvedName + "]");
            return null;
        }

        @Override
        protected Void visitFunctionCall(FunctionCall node, Integer indentLevel) {
            String name = Joiner.on('.').join(node.getName().getParts());
            print(indentLevel, "FunctionCall[" + name + "]");
            super.visitFunctionCall(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitTable(Table node, Integer indentLevel) {
            String name = Joiner.on('.').join(node.getName().getParts());
            print(indentLevel, "Table[" + name + "]");
            return null;
        }

        @Override
        protected Void visitValues(Values node, Integer indentLevel) {
            print(indentLevel, "Values");
            super.visitValues(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitRow(Row node, Integer indentLevel) {
            print(indentLevel, "Row");
            super.visitRow(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitAliasedRelation(AliasedRelation node, Integer indentLevel) {
            print(indentLevel, "Alias[" + node.getAlias() + "]");
            super.visitAliasedRelation(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitSampledRelation(SampledRelation node, Integer indentLevel) {
            print(indentLevel, "TABLESAMPLE[" + node.getType() + " (" + node.getSamplePercentage() + ")]");
            super.visitSampledRelation(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitTableSubquery(TableSubquery node, Integer indentLevel) {
            print(indentLevel, "SubQuery");
            super.visitTableSubquery(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitInPredicate(InPredicate node, Integer indentLevel) {
            print(indentLevel, "IN");
            super.visitInPredicate(node, indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitSubqueryExpression(SubqueryExpression node, Integer indentLevel) {
            print(indentLevel, "SubQuery");
            super.visitSubqueryExpression(node, indentLevel + 1);
            return null;
        }
    };
    printer.process(root, 0);
}