本文整理了Java中com.facebook.presto.sql.tree.Union.<init>()方法的一些代码示例，展示了Union.<init>()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.<init>()方法的具体详情如下：
包路径：com.facebook.presto.sql.tree.Union
类名称：Union
方法名：<init>

Union.<init>介绍

暂无

代码示例

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 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: 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

@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

@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: com.facebook.presto/presto-parser

@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-parser

@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());
}