apoc.help过程
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此过程不建议在多线程中运行，因此并行运行时（Parallel runtime）不支持该过程。有关更多信息，请参阅 Cypher 手册 → 并行运行时。 |
语法 |
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描述 |
返回可用 APOC 过程和函数的说明。如果提供了关键字，则仅返回名称中包含该关键字的过程和函数。 |
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输入参数 |
名称 |
类型 |
描述 |
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用于筛选结果的关键字。 |
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返回参数 |
名称 |
类型 |
描述 |
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函数或过程的类型。 |
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函数或过程的名称。 |
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函数或过程的说明。 |
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函数或过程的签名。 |
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此值始终为 null。 |
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此值始终为 null。 |
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函数或过程是否属于 APOC Core。 |
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函数或过程是否已弃用。 |
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使用示例
返回有关特定过程或函数的信息
CALL apoc.help('apoc.atomic.add')结果
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| type | name | text | signature | roles | writes | core | isDeprecated |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| "procedure" | "apoc.atomic.add" | "Sets the given property to the sum of itself and the given `INTEGER` or `FLOAT` value. The procedure then sets the property to the returned sum." | "apoc.atomic.add(container :: ANY, propertyName :: STRING, number :: INTEGER | FLOAT, retryAttempts = 5 :: INTEGER) :: (container :: ANY, property :: STRING, oldValue :: ANY, newValue :: ANY)" | NULL | NULL | TRUE | FALSE |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+返回有关一组过程或函数的信息
CALL apoc.help('atomic')结果
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| type | name | text | signature | roles | writes | core | isDeprecated |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| "procedure" | "apoc.atomic.add" | "Sets the given property to the sum of itself and the given `INTEGER` or `FLOAT` value. The procedure then sets the property to the returned sum." | "apoc.atomic.add(container :: ANY, propertyName :: STRING, number :: INTEGER | FLOAT, retryAttempts = 5 :: INTEGER) :: (container :: ANY, property :: STRING, oldValue :: ANY, newValue :: ANY)" | NULL | NULL | TRUE | FALSE |
| "procedure" | "apoc.atomic.concat" | "Sets the given property to the concatenation of itself and the `STRING` value. The procedure then sets the property to the returned `STRING`." | "apoc.atomic.concat(container :: ANY, propertyName :: STRING, string :: STRING, retryAttempts = 5 :: INTEGER) :: (container :: ANY, property :: STRING, oldValue :: ANY, newValue :: ANY)" | NULL | NULL | TRUE | FALSE |
| "procedure" | "apoc.atomic.insert" | "Inserts a value at position into the `LIST<ANY>` value of a property. The procedure then sets the result back on the property." | "apoc.atomic.insert(container :: ANY, propertyName :: STRING, position :: INTEGER, value :: ANY, retryAttempts = 5 :: INTEGER) :: (container :: ANY, property :: STRING, oldValue :: ANY, newValue :: ANY)" | NULL | NULL | TRUE | FALSE |
| "procedure" | "apoc.atomic.remove" | "Removes the element at position from the `LIST<ANY>` value of a property. The procedure then sets the property to the resulting `LIST<ANY>` value." | "apoc.atomic.remove(container :: ANY, propertyName :: STRING, position :: INTEGER, retryAttempts = 5 :: INTEGER) :: (container :: ANY, property :: STRING, oldValue :: ANY, newValue :: ANY)" | NULL | NULL | TRUE | FALSE |
| "procedure" | "apoc.atomic.subtract" | "Sets the property of a value to itself minus the given `INTEGER` or `FLOAT` value. The procedure then sets the property to the returned sum." | "apoc.atomic.subtract(container :: ANY, propertyName :: STRING, number :: INTEGER | FLOAT, retryAttempts = 5 :: INTEGER) :: (container :: ANY, property :: STRING, oldValue :: ANY, newValue :: ANY)" | NULL | NULL | TRUE | FALSE |
| "procedure" | "apoc.atomic.update" | "Updates the value of a property with a Cypher operation." | "apoc.atomic.update(container :: ANY, propertyName :: STRING, operation :: STRING, retryAttempts = 5 :: INTEGER) :: (container :: ANY, property :: STRING, oldValue :: ANY, newValue :: ANY)" | NULL | NULL | TRUE | FALSE |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+