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📜  Neo4j运算符

📅  最后修改于: 2020-11-23 09:21:09             🧑  作者: Mango

Neo4j CQL运营商

Neo4j CQL运算符可以分为以下几种类型：

  • 数学运算符：即+，-，*，/，％，^
  • 比较运算符：即+，<>，<，>，<=，> =
  • 布尔运算符：即AND，OR，XOR，NOT
  • 字符串运算符：即+
  • 列表运算符：即+，IN，[X]，[X?.. Y]
  • 正则表达式：即=-
  • 字符串匹配：即STARTS WITH，ENDS WITH，CONSTRAINTS

让我们看看两个最常用的Neo4j CQL运算符：

布尔运算符

以下是在Neo4j CQL WHERE子句中用于支持多种条件的布尔运算符的列表：

Index Boolean operators Description
1. AND It is a neo4j CQL keyword to support AND operation. It is like SQL AND operator.
2. OR It is a Neo4j CQL keyword to support OR operation. It is like SQL AND operator.
3. NOT It is a Neo4j CQL keyword to support NOT operation. It is like SQL AND operator.
4. XOR It is a Neo4j CQL keyword to support XOR operation. It is like SQL AND operator.

比较运算符

与WHERE子句一起使用的Neo4j CQL比较运算符的列表：

Index Boolean operators Description
1. = It is a Neo4j CQL “equal to” operator.
2. < > It is a Neo4j CQL “not equal to” operator.
3. < It is a Neo4j CQL “less than” operator.
4. > It is a Neo4j CQL “greater than” operator.
5. <= It is a Neo4j CQL “less than or equal to” operator.
6. > = It is a Neo4j CQL”greater than or equal to” operator.