DruidConnectionImpl.JsonColumn (Apache Calcite API)

java.lang.Object
- org.apache.calcite.adapter.druid.DruidConnectionImpl.JsonColumn

Enclosing class:

DruidConnectionImpl
```
private static class DruidConnectionImpl.JsonColumn
extends java.lang.Object
```
Element of the "columns" collection in the result of a "segmentMetadata" call, populated by Jackson.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  java.lang.Integer cardinality
  
  java.lang.String errorMessage
  
  boolean hasMultipleValues
  
  int size
  
  java.lang.String type
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  private JsonColumn()
- Method Summary
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

type
```
public java.lang.String type
```

hasMultipleValues
```
public boolean hasMultipleValues
```

size
```
public int size
```

cardinality
```
public java.lang.Integer cardinality
```

errorMessage
```
public java.lang.String errorMessage
```

Constructor Detail
- JsonColumn
```
private JsonColumn()
```