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Java JoinType类代码示例

本文整理汇总了Java中org.apache.calcite.sql.JoinType的典型用法代码示例。如果您正苦于以下问题:Java JoinType类的具体用法?Java JoinType怎么用?Java JoinType使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


JoinType类属于org.apache.calcite.sql包,在下文中一共展示了JoinType类的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: convertJoinType

import org.apache.calcite.sql.JoinType; //导入依赖的package包/类
private static JoinRelType convertJoinType(JoinType joinType) {
	switch (joinType) {
		case COMMA:
		case INNER:
		case CROSS:
			return JoinRelType.INNER;
		case FULL:
			return JoinRelType.FULL;
		case LEFT:
			return JoinRelType.LEFT;
		case RIGHT:
			return JoinRelType.RIGHT;
		default:
			throw Util.unexpected(joinType);
	}
}
 
开发者ID:axbaretto,项目名称:flink,代码行数:17,代码来源:SqlToRelConverter.java

示例2: convertJoinType

import org.apache.calcite.sql.JoinType; //导入依赖的package包/类
private static JoinRelType convertJoinType(JoinType joinType) {
  switch (joinType) {
  case COMMA:
  case INNER:
  case CROSS:
    return JoinRelType.INNER;
  case FULL:
    return JoinRelType.FULL;
  case LEFT:
    return JoinRelType.LEFT;
  case RIGHT:
    return JoinRelType.RIGHT;
  default:
    throw Util.unexpected(joinType);
  }
}
 
开发者ID:apache,项目名称:kylin,代码行数:17,代码来源:SqlToRelConverter.java

示例3: visit

import org.apache.calcite.sql.JoinType; //导入依赖的package包/类
/** @see #dispatch */
public Result visit(Join e) {
  final Result leftResult = visitChild(0, e.getLeft()).resetAlias();
  final Result rightResult = visitChild(1, e.getRight()).resetAlias();
  final Context leftContext = leftResult.qualifiedContext();
  final Context rightContext = rightResult.qualifiedContext();
  SqlNode sqlCondition = null;
  SqlLiteral condType = JoinConditionType.ON.symbol(POS);
  JoinType joinType = joinType(e.getJoinType());
  if (e.getJoinType() == JoinRelType.INNER && e.getCondition().isAlwaysTrue()) {
    joinType = JoinType.COMMA;
    condType = JoinConditionType.NONE.symbol(POS);
  } else {
    sqlCondition = convertConditionToSqlNode(e.getCondition(),
        leftContext,
        rightContext,
        e.getLeft().getRowType().getFieldCount());
  }
  SqlNode join =
      new SqlJoin(POS,
          leftResult.asFrom(),
          SqlLiteral.createBoolean(false, POS),
          joinType.symbol(POS),
          rightResult.asFrom(),
          condType,
          sqlCondition);
  return result(join, leftResult, rightResult);
}
 
开发者ID:apache,项目名称:calcite,代码行数:29,代码来源:RelToSqlConverter.java


注:本文中的org.apache.calcite.sql.JoinType类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。