use of io.trino.sql.tree.GroupingSets in project trino by trinodb.
the class ExpressionFormatter method formatGroupBy.
static String formatGroupBy(List<GroupingElement> groupingElements) {
ImmutableList.Builder<String> resultStrings = ImmutableList.builder();
for (GroupingElement groupingElement : groupingElements) {
String result = "";
if (groupingElement instanceof SimpleGroupBy) {
List<Expression> columns = groupingElement.getExpressions();
if (columns.size() == 1) {
result = formatExpression(getOnlyElement(columns));
} else {
result = formatGroupingSet(columns);
}
} else if (groupingElement instanceof GroupingSets) {
result = format("GROUPING SETS (%s)", Joiner.on(", ").join(((GroupingSets) groupingElement).getSets().stream().map(ExpressionFormatter::formatGroupingSet).iterator()));
} else if (groupingElement instanceof Cube) {
result = format("CUBE %s", formatGroupingSet(groupingElement.getExpressions()));
} else if (groupingElement instanceof Rollup) {
result = format("ROLLUP %s", formatGroupingSet(groupingElement.getExpressions()));
}
resultStrings.add(result);
}
return Joiner.on(", ").join(resultStrings.build());
}
use of io.trino.sql.tree.GroupingSets 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);
}
use of io.trino.sql.tree.GroupingSets in project trino by trinodb.
the class TestSqlParser method testSelectWithGroupBy.
@Test
public void testSelectWithGroupBy() {
assertStatement("SELECT * FROM table1 GROUP BY a", simpleQuery(selectList(new AllColumns()), new Table(QualifiedName.of("table1")), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new SimpleGroupBy(ImmutableList.of(new Identifier("a")))))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()));
assertStatement("SELECT * FROM table1 GROUP BY a, b", simpleQuery(selectList(new AllColumns()), new Table(QualifiedName.of("table1")), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new SimpleGroupBy(ImmutableList.of(new Identifier("a"))), new SimpleGroupBy(ImmutableList.of(new Identifier("b")))))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()));
assertStatement("SELECT * FROM table1 GROUP BY ()", simpleQuery(selectList(new AllColumns()), new Table(QualifiedName.of("table1")), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new SimpleGroupBy(ImmutableList.of())))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()));
assertStatement("SELECT * FROM table1 GROUP BY GROUPING SETS (a)", simpleQuery(selectList(new AllColumns()), new Table(QualifiedName.of("table1")), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new GroupingSets(ImmutableList.of(ImmutableList.of(new Identifier("a"))))))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()));
assertStatement("SELECT a, b, GROUPING(a, b) FROM table1 GROUP BY GROUPING SETS ((a), (b))", simpleQuery(selectList(DereferenceExpression.from(QualifiedName.of("a")), DereferenceExpression.from(QualifiedName.of("b")), new GroupingOperation(Optional.empty(), ImmutableList.of(QualifiedName.of("a"), QualifiedName.of("b")))), new Table(QualifiedName.of("table1")), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new GroupingSets(ImmutableList.of(ImmutableList.of(new Identifier("a")), ImmutableList.of(new Identifier("b"))))))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()));
assertStatement("SELECT * FROM table1 GROUP BY ALL GROUPING SETS ((a, b), (a), ()), CUBE (c), ROLLUP (d)", simpleQuery(selectList(new AllColumns()), new Table(QualifiedName.of("table1")), Optional.empty(), Optional.of(new GroupBy(false, ImmutableList.of(new GroupingSets(ImmutableList.of(ImmutableList.of(new Identifier("a"), new Identifier("b")), ImmutableList.of(new Identifier("a")), ImmutableList.of())), new Cube(ImmutableList.of(new Identifier("c"))), new Rollup(ImmutableList.of(new Identifier("d")))))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()));
assertStatement("SELECT * FROM table1 GROUP BY DISTINCT GROUPING SETS ((a, b), (a), ()), CUBE (c), ROLLUP (d)", simpleQuery(selectList(new AllColumns()), new Table(QualifiedName.of("table1")), Optional.empty(), Optional.of(new GroupBy(true, ImmutableList.of(new GroupingSets(ImmutableList.of(ImmutableList.of(new Identifier("a"), new Identifier("b")), ImmutableList.of(new Identifier("a")), ImmutableList.of())), new Cube(ImmutableList.of(new Identifier("c"))), new Rollup(ImmutableList.of(new Identifier("d")))))), Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty()));
}
Aggregations