Examples with WindowSpecification io.trino.sql.tree.WindowSpecification used on opensource projects

Example 1 with WindowSpecification

use of io.trino.sql.tree.WindowSpecification in project trino by trinodb.

the class TestSqlParser method testWindowSpecification.

@Test
public void testWindowSpecification() {
    assertExpression("rank() OVER someWindow", new FunctionCall(Optional.empty(), QualifiedName.of("rank"), Optional.of(new WindowReference(new Identifier("someWindow"))), Optional.empty(), Optional.empty(), false, Optional.empty(), Optional.empty(), ImmutableList.of()));
    assertExpression("rank() OVER (someWindow PARTITION BY x ORDER BY y ROWS CURRENT ROW)", new FunctionCall(Optional.empty(), QualifiedName.of("rank"), Optional.of(new WindowSpecification(Optional.of(new Identifier("someWindow")), ImmutableList.of(new Identifier("x")), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("y"), ASCENDING, UNDEFINED)))), Optional.of(new WindowFrame(ROWS, new FrameBound(CURRENT_ROW), Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), ImmutableList.of())))), Optional.empty(), Optional.empty(), false, Optional.empty(), Optional.empty(), ImmutableList.of()));
    assertExpression("rank() OVER (PARTITION BY x ORDER BY y ROWS CURRENT ROW)", new FunctionCall(Optional.empty(), QualifiedName.of("rank"), Optional.of(new WindowSpecification(Optional.empty(), ImmutableList.of(new Identifier("x")), Optional.of(new OrderBy(ImmutableList.of(new SortItem(new Identifier("y"), ASCENDING, UNDEFINED)))), Optional.of(new WindowFrame(ROWS, new FrameBound(CURRENT_ROW), Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty(), Optional.empty(), ImmutableList.of(), ImmutableList.of())))), Optional.empty(), Optional.empty(), false, Optional.empty(), Optional.empty(), ImmutableList.of()));
}

Example 2 with WindowSpecification

use of io.trino.sql.tree.WindowSpecification in project trino by trinodb.

the class TestSqlParser method testNullTreatment.

@Test
public void testNullTreatment() {
    assertExpression("lead(x, 1) ignore nulls over()", new FunctionCall(Optional.empty(), QualifiedName.of("lead"), Optional.of(new WindowSpecification(Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty())), Optional.empty(), Optional.empty(), false, Optional.of(NullTreatment.IGNORE), Optional.empty(), ImmutableList.of(new Identifier("x"), new LongLiteral("1"))));
    assertExpression("lead(x, 1) respect nulls over()", new FunctionCall(Optional.empty(), QualifiedName.of("lead"), Optional.of(new WindowSpecification(Optional.empty(), ImmutableList.of(), Optional.empty(), Optional.empty())), Optional.empty(), Optional.empty(), false, Optional.of(NullTreatment.RESPECT), Optional.empty(), ImmutableList.of(new Identifier("x"), new LongLiteral("1"))));
}

Example 3 with WindowSpecification

use of io.trino.sql.tree.WindowSpecification in project trino by trinodb.

the class TreePrinter method print.

public void print(Node root) {
    AstVisitor<Void, Integer> printer = new DefaultTraversalVisitor<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 ");
            indentLevel++;
            print(indentLevel, "QueryBody");
            process(node.getQueryBody(), indentLevel);
            if (node.getOrderBy().isPresent()) {
                print(indentLevel, "OrderBy");
                process(node.getOrderBy().get(), indentLevel + 1);
            }
            if (node.getLimit().isPresent()) {
                print(indentLevel, "Limit: " + node.getLimit().get());
            }
            return null;
        }

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

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

        @Override
        protected Void visitWindowDefinition(WindowDefinition node, Integer indentLevel) {
            print(indentLevel, "WindowDefinition[" + node.getName() + "]");
            process(node.getWindow(), indentLevel + 1);
            return null;
        }

        @Override
        protected Void visitWindowReference(WindowReference node, Integer indentLevel) {
            print(indentLevel, "WindowReference[" + node.getName() + "]");
            return null;
        }

        @Override
        public Void visitWindowSpecification(WindowSpecification node, Integer indentLevel) {
            if (node.getExistingWindowName().isPresent()) {
                print(indentLevel, "ExistingWindowName " + node.getExistingWindowName().get());
            }
            if (!node.getPartitionBy().isEmpty()) {
                print(indentLevel, "PartitionBy");
                for (Expression expression : node.getPartitionBy()) {
                    process(expression, indentLevel + 1);
                }
            }
            if (node.getOrderBy().isPresent()) {
                print(indentLevel, "OrderBy");
                process(node.getOrderBy().get(), indentLevel + 1);
            }
            if (node.getFrame().isPresent()) {
                print(indentLevel, "Frame");
                process(node.getFrame().get(), indentLevel + 1);
            }
            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) {
            StringBuilder aliases = new StringBuilder();
            if (!node.getAliases().isEmpty()) {
                aliases.append(" [Aliases: ");
                Joiner.on(", ").appendTo(aliases, node.getAliases());
                aliases.append("]");
            }
            print(indent, "All columns" + aliases.toString());
            if (node.getTarget().isPresent()) {
                // visit child
                super.visitAllColumns(node, indent + 1);
            }
            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 visitLogicalExpression(LogicalExpression node, Integer indentLevel) {
            print(indentLevel, node.getOperator().toString());
            super.visitLogicalExpression(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);
}