本文整理了Java中com.facebook.presto.sql.tree.Union
类的一些代码示例,展示了Union
类的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Union
类的具体详情如下:
包路径:com.facebook.presto.sql.tree.Union
类名称:Union
暂无
代码示例来源:origin: prestodb/presto
@Override
protected Void visitUnion(Union node, Integer indent)
{
Iterator<Relation> relations = node.getRelations().iterator();
while (relations.hasNext()) {
processRelation(relations.next(), indent);
if (relations.hasNext()) {
builder.append("UNION ");
if (!node.isDistinct()) {
builder.append("ALL ");
}
}
}
return null;
}
代码示例来源:origin: prestodb/presto
@Test
public void testUnion()
{
assertStatement("SELECT 123 UNION DISTINCT SELECT 123 UNION ALL SELECT 123",
new Query(
Optional.empty(),
new Union(ImmutableList.of(
new Union(ImmutableList.of(createSelect123(), createSelect123()), true),
createSelect123()
), false),
Optional.empty(),
Optional.empty()));
}
代码示例来源:origin: prestodb/presto
@Override
public int hashCode()
{
return Objects.hash(relations, isDistinct());
}
}
代码示例来源:origin: rakam-io/rakam
statement.getLimit(), statement.getOrderBy().map(v -> v.getSortItems()).orElse(null), map);
} else if (statement.getQueryBody() instanceof Union) {
Relation relation = ((Union) statement.getQueryBody()).getRelations().get(0);
while (relation instanceof Union) {
relation = ((Union) relation).getRelations().get(0);
代码示例来源:origin: prestodb/presto
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if ((obj == null) || (getClass() != obj.getClass())) {
return false;
}
Union o = (Union) obj;
return Objects.equals(relations, o.relations) &&
Objects.equals(isDistinct(), o.isDistinct());
}
代码示例来源:origin: uk.co.nichesolutions.presto/presto-parser
@Override
protected R visitUnion(Union node, C context)
{
for (Relation relation : node.getRelations()) {
process(relation, context);
}
return null;
}
代码示例来源:origin: prestodb/presto
@Override
protected RelationPlan visitUnion(Union node, Void context)
{
checkArgument(!node.getRelations().isEmpty(), "No relations specified for UNION");
SetOperationPlan setOperationPlan = process(node);
PlanNode planNode = new UnionNode(idAllocator.getNextId(), setOperationPlan.getSources(), setOperationPlan.getSymbolMapping(), ImmutableList.copyOf(setOperationPlan.getSymbolMapping().keySet()));
if (node.isDistinct()) {
planNode = distinct(planNode);
}
return new RelationPlan(planNode, analysis.getScope(node), planNode.getOutputSymbols());
}
代码示例来源:origin: prestodb/presto
@Override
public String toString()
{
return toStringHelper(this)
.add("relations", relations)
.add("distinct", isDistinct())
.toString();
}
代码示例来源:origin: prestodb/presto
@Override
public Node visitSetOperation(SqlBaseParser.SetOperationContext context)
{
QueryBody left = (QueryBody) visit(context.left);
QueryBody right = (QueryBody) visit(context.right);
boolean distinct = context.setQuantifier() == null || context.setQuantifier().DISTINCT() != null;
switch (context.operator.getType()) {
case SqlBaseLexer.UNION:
return new Union(getLocation(context.UNION()), ImmutableList.of(left, right), distinct);
case SqlBaseLexer.INTERSECT:
return new Intersect(getLocation(context.INTERSECT()), ImmutableList.of(left, right), distinct);
case SqlBaseLexer.EXCEPT:
return new Except(getLocation(context.EXCEPT()), left, right, distinct);
}
throw new IllegalArgumentException("Unsupported set operation: " + context.operator.getText());
}
代码示例来源:origin: uk.co.nichesolutions.presto/presto-main
@Override
protected RelationType visitUnion(Union node, AnalysisContext context)
checkState(node.getRelations().size() >= 2);
RelationType[] descriptors = node.getRelations().stream()
.map(relation -> process(relation, context).withOnlyVisibleFields())
.toArray(RelationType[]::new);
analysis.setOutputDescriptor(node, outputDescriptor);
for (int i = 0; i < node.getRelations().size(); i++) {
Relation relation = node.getRelations().get(i);
RelationType descriptor = descriptors[i];
for (int j = 0; j < descriptor.getVisibleFields().size(); j++) {
代码示例来源:origin: rakam-io/rakam
@Override
protected Void visitUnion(Union node, Integer indent) {
Iterator<Relation> relations = node.getRelations().iterator();
while (relations.hasNext()) {
processRelation(relations.next(), indent);
if (relations.hasNext()) {
builder.append("UNION ");
if (!node.isDistinct()) {
builder.append("ALL ");
}
}
}
return null;
}
代码示例来源:origin: com.facebook.presto/presto-parser
@Override
public int hashCode()
{
return Objects.hash(relations, isDistinct());
}
}
代码示例来源:origin: stackoverflow.com
@Test
public void Test() throws Exception {
Union u = new Union("Sindacate", 80);
UnionController.add(u);
ServiceCharge charge1 =
new ServiceCharge(60,"service for employee","27/11/2016 20:35:00", u); // uncomment your parameter here that accepts Union class type.
ServiceController.add(charge1, u);
}
代码示例来源:origin: com.facebook.presto/presto-parser
@Override
protected Void visitUnion(Union node, Integer indent)
{
Iterator<Relation> relations = node.getRelations().iterator();
while (relations.hasNext()) {
processRelation(relations.next(), indent);
if (relations.hasNext()) {
builder.append("UNION ");
if (!node.isDistinct()) {
builder.append("ALL ");
}
}
}
return null;
}
代码示例来源:origin: com.facebook.presto/presto-parser
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if ((obj == null) || (getClass() != obj.getClass())) {
return false;
}
Union o = (Union) obj;
return Objects.equals(relations, o.relations) &&
Objects.equals(isDistinct(), o.isDistinct());
}
代码示例来源:origin: com.facebook.presto/presto-parser
@Test
public void testUnion()
{
assertStatement("SELECT 123 UNION DISTINCT SELECT 123 UNION ALL SELECT 123",
new Query(
Optional.empty(),
new Union(ImmutableList.of(
new Union(ImmutableList.of(createSelect123(), createSelect123()), true),
createSelect123()
), false),
Optional.empty(),
Optional.empty()));
}
代码示例来源:origin: uk.co.nichesolutions.presto/presto-parser
@Override
protected Void visitUnion(Union node, Integer indent)
{
Iterator<Relation> relations = node.getRelations().iterator();
while (relations.hasNext()) {
processRelation(relations.next(), indent);
if (relations.hasNext()) {
builder.append("UNION ");
if (!node.isDistinct()) {
builder.append("ALL ");
}
}
}
return null;
}
代码示例来源:origin: com.facebook.presto/presto-parser
@Override
public String toString()
{
return toStringHelper(this)
.add("relations", relations)
.add("distinct", isDistinct())
.toString();
}
代码示例来源:origin: uk.co.nichesolutions.presto/presto-parser
@Test
public void testUnion()
{
assertStatement("SELECT 123 UNION DISTINCT SELECT 123 UNION ALL SELECT 123",
new Query(
Optional.empty(),
new Union(ImmutableList.of(
new Union(ImmutableList.of(createSelect123(), createSelect123()), true),
createSelect123()
), false),
ImmutableList.<SortItem>of(),
Optional.empty(),
Optional.empty()));
}
代码示例来源:origin: vqtran/EchoQuery
@Override
protected Void visitUnion(Union node, Integer indent)
{
Iterator<Relation> relations = node.getRelations().iterator();
while (relations.hasNext()) {
processRelation(relations.next(), indent);
if (relations.hasNext()) {
builder.append("UNION ");
if (!node.isDistinct()) {
builder.append("ALL ");
}
}
}
return null;
}
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