ScriptCommand (H2 Database Engine 2.0.0 API)

java.lang.Object
- org.h2.command.Prepared
- - org.h2.command.dml.ScriptCommand

public class ScriptCommand
extends Prepared

This class represents the statement SCRIPT

字段概要

字段
限定符和类型字段和说明

protected OutputStream out
The output stream.

protected BufferedReader reader
The input reader.
- 从类继承的字段 org.h2.command.Prepared
  create, parameters, prepareAlways, session, sqlStatement, sqlTokens

字段
限定符和类型	字段和说明
`protected OutputStream`	`out` The output stream.
`protected BufferedReader`	`reader` The input reader.

构造器概要

构造器
构造器和说明

ScriptCommand(SessionLocal session)

构造器
构造器和说明
`ScriptCommand(SessionLocal session)`

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`static InputStream`	`combineBlob(Connection conn, int id)` Combine a BLOB.
`static Reader`	`combineClob(Connection conn, int id)` Combine a CLOB.
`protected String`	`getFileName()`
`int`	`getType()` Get the command type as defined in CommandInterface
`boolean`	`isQuery()` Check if this object is a query.
`boolean`	`isTransactional()` Check if this command is transactional.
`boolean`	`needRecompile()` Check if the statement needs to be re-compiled.
`ResultInterface`	`query(long maxrows)` Execute the query.
`ResultInterface`	`queryMeta()` Get an empty result set containing the meta data.
`void`	`setCharset(Charset charset)`
`void`	`setCipher(String c)`
`void`	`setCompressionAlgorithm(String algorithm)`
`void`	`setData(boolean data)`
`void`	`setDrop(boolean drop)`
`void`	`setFileNameExpr(Expression file)`
`void`	`setLobBlockSize(long blockSize)`
`void`	`setPassword(Expression password)`
`void`	`setPasswords(boolean passwords)`
`void`	`setSchemaNames(Set<String> schemaNames)`
`void`	`setSettings(boolean settings)`
`void`	`setSimple(boolean simple)`
`void`	`setTables(Collection<Table> tables)`
`void`	`setVersion(boolean version)`
`void`	`setWithColumns(boolean withColumns)`

从类继承的方法 org.h2.command.Prepared
checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, isCacheable, isReadOnly, isWithParamValues, prepare, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, setWithParamValues, toString, update

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- 字段详细资料
  - out
```
protected OutputStream out
```
    The output stream.
  - reader
```
protected BufferedReader reader
```
    The input reader.
- 构造器详细资料
  - ScriptCommand
```
public ScriptCommand(SessionLocal session)
```
- 方法详细资料
  - isQuery
```
public boolean isQuery()
```
    从类复制的说明: Prepared
    
    Check if this object is a query.
    
    覆盖:
    
    isQuery 在类中 Prepared
    
    返回:
    
    true if it is
  - setSchemaNames
```
public void setSchemaNames(Set<String> schemaNames)
```
  - setTables
```
public void setTables(Collection<Table> tables)
```
  - setData
```
public void setData(boolean data)
```
  - setPasswords
```
public void setPasswords(boolean passwords)
```
  - setSettings
```
public void setSettings(boolean settings)
```
  - setLobBlockSize
```
public void setLobBlockSize(long blockSize)
```
  - setDrop
```
public void setDrop(boolean drop)
```
  - queryMeta
```
public ResultInterface queryMeta()
```
    从类复制的说明: Prepared
    
    Get an empty result set containing the meta data.
    
    指定者:
    
    queryMeta 在类中 Prepared
    
    返回:
    
    the result set
  - query
```
public ResultInterface query(long maxrows)
```
    从类复制的说明: Prepared
    
    Execute the query.
    
    覆盖:
    
    query 在类中 Prepared
    
    参数:
    
    maxrows - the maximum number of rows to return
    
    返回:
    
    the result set
  - combineBlob
```
public static InputStream combineBlob(Connection conn,
                                      int id)
                               throws SQLException
```
    Combine a BLOB. This method is called from the script. When calling with id -1, the file is deleted.
    
    参数:
    
    conn - a connection
    
    id - the lob id
    
    返回:
    
    a stream for the combined data
    
    抛出:
    
    SQLException - on failure
  - combineClob
```
public static Reader combineClob(Connection conn,
                                 int id)
                          throws SQLException
```
    Combine a CLOB. This method is called from the script.
    
    参数:
    
    conn - a connection
    
    id - the lob id
    
    返回:
    
    a reader for the combined data
    
    抛出:
    
    SQLException - on failure
  - setSimple
```
public void setSimple(boolean simple)
```
  - setWithColumns
```
public void setWithColumns(boolean withColumns)
```
  - setVersion
```
public void setVersion(boolean version)
```
  - setCharset
```
public void setCharset(Charset charset)
```
  - getType
```
public int getType()
```
    从类复制的说明: Prepared
    
    Get the command type as defined in CommandInterface
    
    指定者:
    
    getType 在类中 Prepared
    
    返回:
    
    the statement type
  - setCipher
```
public void setCipher(String c)
```
  - setPassword
```
public void setPassword(Expression password)
```
  - setFileNameExpr
```
public void setFileNameExpr(Expression file)
```
  - getFileName
```
protected String getFileName()
```
  - isTransactional
```
public boolean isTransactional()
```
    从类复制的说明: Prepared
    
    Check if this command is transactional. If it is not, then it forces the current transaction to commit.
    
    指定者:
    
    isTransactional 在类中 Prepared
    
    返回:
    
    true if it is
  - needRecompile
```
public boolean needRecompile()
```
    从类复制的说明: Prepared
    
    Check if the statement needs to be re-compiled.
    
    覆盖:
    
    needRecompile 在类中 Prepared
    
    返回:
    
    true if it must
  - setCompressionAlgorithm
```
public void setCompressionAlgorithm(String algorithm)
```

类 ScriptCommand

字段概要

从类继承的字段 org.h2.command.Prepared

构造器概要

方法概要

从类继承的方法 org.h2.command.Prepared

从类继承的方法 java.lang.Object

字段详细资料

out

reader

构造器详细资料

ScriptCommand

方法详细资料

isQuery

setSchemaNames

setTables

setData

setPasswords

setSettings

setLobBlockSize

setDrop

queryMeta

query

combineBlob

combineClob

setSimple

setWithColumns

setVersion

setCharset

getType

setCipher

setPassword

setFileNameExpr

getFileName

isTransactional

needRecompile

setCompressionAlgorithm