ExplainCommand (NanoDB SQL Relational Database 0.1-SNAPSHOT API)

java.lang.Object
- edu.caltech.nanodb.commands.Command
- - edu.caltech.nanodb.commands.ExplainCommand

```
public class ExplainCommand
extends Command
```
This Command class represents the EXPLAIN SQL command, which prints out details of how SQL DML statements will be evaluated.

- Nested Class Summary
  - Nested classes/interfaces inherited from class edu.caltech.nanodb.commands.Command
    Command.Type
- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  private QueryCommand cmdToExplain
  The command to explain!
  - Fields inherited from class edu.caltech.nanodb.commands.Command
    out
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ExplainCommand(QueryCommand cmdToExplain)
  Construct an explain command.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void execute(NanoDBServer server)
  Actually performs the command.
  - Methods inherited from class edu.caltech.nanodb.commands.Command
    getCommandType
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - cmdToExplain
```
private QueryCommand cmdToExplain
```
    The command to explain!
- Constructor Detail
  - ExplainCommand
```
public ExplainCommand(QueryCommand cmdToExplain)
```
    Construct an explain command.
    
    Parameters:
    
    cmdToExplain - the command that should be explained.
- Method Detail
  - execute
```
public void execute(NanoDBServer server)
             throws ExecutionException
```
    Description copied from class: Command
    
    Actually performs the command.
    
    Specified by:
    
    execute in class Command
    
    Throws:
    
    ExecutionException - if an issue occurs during command execution