Analyze

java.lang.Object
- org.h2.command.Prepared
- - org.h2.command.ddl.DefineCommand
  - - org.h2.command.ddl.Analyze

```
public class Analyze
extends DefineCommand
```
This class represents the statements ANALYZE and ANALYZE TABLE

Nested Class Summary

Nested Classes
Modifier and Type Class Description

private static class Analyze.SelectivityData

Field Summary

Fields
Modifier and Type Field Description

private int sampleRows
The sample size.

private Table table
used in ANALYZE TABLE...
- Fields inherited from class org.h2.command.ddl.DefineCommand
  transactional
- Fields inherited from class org.h2.command.Prepared
  create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors
Constructor Description

Analyze(SessionLocal session)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`analyzeTable(SessionLocal session, Table table, int sample, boolean manual)`	Analyze this table.
`int`	`getType()`	Get the command type as defined in CommandInterface
`void`	`setTable(Table table)`
`void`	`setTop(int top)`
`long`	`update()`	Execute the statement.

Methods inherited from class org.h2.command.ddl.DefineCommand
isReadOnly, isTransactional, queryMeta, setTransactional

Methods inherited from class org.h2.command.Prepared
checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, isCacheable, isQuery, needRecompile, prepare, query, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - sampleRows
```
private int sampleRows
```
    The sample size.
  - table
```
private Table table
```
    used in ANALYZE TABLE...
- Constructor Detail
  - Analyze
```
public Analyze(SessionLocal session)
```
- Method Detail
  - setTable
```
public void setTable(Table table)
```
  - update
```
public long update()
```
    Description copied from class: Prepared
    
    Execute the statement.
    
    Overrides:
    
    update in class Prepared
    
    Returns:
    
    the update count
  - analyzeTable
```
public static void analyzeTable(SessionLocal session,
                                Table table,
                                int sample,
                                boolean manual)
```
    Analyze this table.
    
    Parameters:
    
    session - the session
    
    table - the table
    
    sample - the number of sample rows
    
    manual - whether the command was called by the user
  - setTop
```
public void setTop(int top)
```
  - getType
```
public int getType()
```
    Description copied from class: Prepared
    
    Get the command type as defined in CommandInterface
    
    Specified by:
    
    getType in class Prepared
    
    Returns:
    
    the statement type