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Example 1 with SampledRelation

use of com.facebook.presto.sql.tree.SampledRelation in project presto by prestodb.

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 ");
            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.getOrderBy().isPresent()) {
                print(indentLevel, "OrderBy");
                process(node.getOrderBy().get(), indentLevel + 1);
            }
            if (node.getLimit().isPresent()) {
                print(indentLevel, "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);
}
Also used : ArithmeticBinaryExpression(com.facebook.presto.sql.tree.ArithmeticBinaryExpression) LogicalBinaryExpression(com.facebook.presto.sql.tree.LogicalBinaryExpression) SimpleGroupBy(com.facebook.presto.sql.tree.SimpleGroupBy) Query(com.facebook.presto.sql.tree.Query) Rollup(com.facebook.presto.sql.tree.Rollup) BooleanLiteral(com.facebook.presto.sql.tree.BooleanLiteral) Node(com.facebook.presto.sql.tree.Node) Values(com.facebook.presto.sql.tree.Values) AllColumns(com.facebook.presto.sql.tree.AllColumns) SubqueryExpression(com.facebook.presto.sql.tree.SubqueryExpression) QuerySpecification(com.facebook.presto.sql.tree.QuerySpecification) SortItem(com.facebook.presto.sql.tree.SortItem) Identifier(com.facebook.presto.sql.tree.Identifier) List(java.util.List) FunctionCall(com.facebook.presto.sql.tree.FunctionCall) SampledRelation(com.facebook.presto.sql.tree.SampledRelation) GroupingSets(com.facebook.presto.sql.tree.GroupingSets) OrderBy(com.facebook.presto.sql.tree.OrderBy) DereferenceExpression(com.facebook.presto.sql.tree.DereferenceExpression) Table(com.facebook.presto.sql.tree.Table) LongLiteral(com.facebook.presto.sql.tree.LongLiteral) QualifiedName(com.facebook.presto.sql.tree.QualifiedName) DefaultTraversalVisitor(com.facebook.presto.sql.tree.DefaultTraversalVisitor) SingleColumn(com.facebook.presto.sql.tree.SingleColumn) LikePredicate(com.facebook.presto.sql.tree.LikePredicate) TableSubquery(com.facebook.presto.sql.tree.TableSubquery) InPredicate(com.facebook.presto.sql.tree.InPredicate) GroupingElement(com.facebook.presto.sql.tree.GroupingElement) ComparisonExpression(com.facebook.presto.sql.tree.ComparisonExpression) BinaryLiteral(com.facebook.presto.sql.tree.BinaryLiteral) StringLiteral(com.facebook.presto.sql.tree.StringLiteral) SubqueryExpression(com.facebook.presto.sql.tree.SubqueryExpression) DereferenceExpression(com.facebook.presto.sql.tree.DereferenceExpression) ComparisonExpression(com.facebook.presto.sql.tree.ComparisonExpression) LogicalBinaryExpression(com.facebook.presto.sql.tree.LogicalBinaryExpression) Expression(com.facebook.presto.sql.tree.Expression) ArithmeticBinaryExpression(com.facebook.presto.sql.tree.ArithmeticBinaryExpression) Cube(com.facebook.presto.sql.tree.Cube) Select(com.facebook.presto.sql.tree.Select) Row(com.facebook.presto.sql.tree.Row) AliasedRelation(com.facebook.presto.sql.tree.AliasedRelation)

Aggregations

AliasedRelation (com.facebook.presto.sql.tree.AliasedRelation)1 AllColumns (com.facebook.presto.sql.tree.AllColumns)1 ArithmeticBinaryExpression (com.facebook.presto.sql.tree.ArithmeticBinaryExpression)1 BinaryLiteral (com.facebook.presto.sql.tree.BinaryLiteral)1 BooleanLiteral (com.facebook.presto.sql.tree.BooleanLiteral)1 ComparisonExpression (com.facebook.presto.sql.tree.ComparisonExpression)1 Cube (com.facebook.presto.sql.tree.Cube)1 DefaultTraversalVisitor (com.facebook.presto.sql.tree.DefaultTraversalVisitor)1 DereferenceExpression (com.facebook.presto.sql.tree.DereferenceExpression)1 Expression (com.facebook.presto.sql.tree.Expression)1 FunctionCall (com.facebook.presto.sql.tree.FunctionCall)1 GroupingElement (com.facebook.presto.sql.tree.GroupingElement)1 GroupingSets (com.facebook.presto.sql.tree.GroupingSets)1 Identifier (com.facebook.presto.sql.tree.Identifier)1 InPredicate (com.facebook.presto.sql.tree.InPredicate)1 LikePredicate (com.facebook.presto.sql.tree.LikePredicate)1 LogicalBinaryExpression (com.facebook.presto.sql.tree.LogicalBinaryExpression)1 LongLiteral (com.facebook.presto.sql.tree.LongLiteral)1 Node (com.facebook.presto.sql.tree.Node)1 OrderBy (com.facebook.presto.sql.tree.OrderBy)1