Interface XSQLInput

Devguide

索引

Methods' 要約

せいにするs' 要約

Methods' 詳細（に述べる）s

せいにするs' 詳細（に述べる）s

:: com :: sun :: 星／主役にする :: sdbc ::

interface XSQLInput

Description

代表するs an input stream that 含む／封じ込めるs a stream of values 代表するing an instance of a SQL structured or 際立った type.

This interface, used only for custom mapping, is used by the driver behind the scenes, and a programmer never 直接／まっすぐに invokes SQLInput methods.

When the method getObject is called with an 反対する of a service 器具／実施するing the interface SQLData , the SDBC driver calls the method XSQLData::getSQLType() to 決定する the SQL type of the 使用者-defined type (UDT) 存在 custom mapped. The driver creates an instance of XSQLInput , 居住させるing it with the せいにするs of the UDT. The driver then passes the input stream to the method XSQLData::readSQL() , which in turn calls the XSQLInput.readXXX methods in its 実施 for reading the せいにするs from the input stream.

Methods' 要約
readString	reads the next せいにする in the stream as string.
readBoolean	reads the next せいにする in the stream as boolean.
readByte	reads the next せいにする in the stream as byte.
readShort	reads the next せいにする in the stream as short.
readInt	reads the next せいにする in the stream as long.
readLong	reads the next せいにする in the stream as hyper.
readFloat	reads the next せいにする in the stream as float.
readDouble	reads the next せいにする in the stream as 二塁打.
readBytes	reads the next せいにする in the stream as sequence of bytes.
readDate	reads the next せいにする in the stream as date.
readTime	reads the next せいにする in the stream as time.
readTimestamp	reads the next せいにする in the stream as datetime.
readBinaryStream	reads the next せいにする in the stream as sequence of bytes.
readCharacterStream	reads the next せいにする in the stream as a unicode string.
readObject	returns the datum at the 長，率いる of the stream as an any.
readRef	reads a REF(<structured-type>) from the stream.
readBlob	reads a BLOB from the stream.
readClob	reads a CLOB from the stream.
readArray	reads an array from the stream.
wasNull	決定するs whether the last value read was null.

Methods' 詳細（に述べる）s

readString

string
readString()
raises(	SQLException );

Description: reads the next せいにする in the stream as string.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readBoolean

boolean
readBoolean()
raises(	SQLException );

Description: reads the next せいにする in the stream as boolean.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readByte

byte
readByte()
raises(	SQLException );

Description: reads the next せいにする in the stream as byte.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readShort

short
readShort()
raises(	SQLException );

Description: reads the next せいにする in the stream as short.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readInt

long
readInt()
raises(	SQLException );

Description: reads the next せいにする in the stream as long.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readLong

hyper
readLong()
raises(	SQLException );

Description: reads the next せいにする in the stream as hyper.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readFloat

float
readFloat()
raises(	SQLException );

Description: reads the next せいにする in the stream as float.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readDouble

二塁打
readDouble()
raises(	SQLException );

Description: reads the next せいにする in the stream as 二塁打.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readBytes

sequence< byte >
readBytes()
raises(	SQLException );

Description: reads the next せいにする in the stream as sequence of bytes.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readDate

::com::sun::星／主役にする::util::Date
readDate()
raises(	SQLException );

Description: reads the next せいにする in the stream as date.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readTime

::com::sun::星／主役にする::util::Time
readTime()
raises(	SQLException );

Description: reads the next せいにする in the stream as time.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readTimestamp

::com::sun::星／主役にする::util::DateTime
readTimestamp()
raises(	SQLException );

Description: reads the next せいにする in the stream as datetime.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readBinaryStream

::com::sun::星／主役にする::io::XInputStream
readBinaryStream()
raises(	SQLException );

Description: reads the next せいにする in the stream as sequence of bytes.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readCharacterStream

::com::sun::星／主役にする::io::XInputStream
readCharacterStream()
raises(	SQLException );

Description: reads the next せいにする in the stream as a unicode string.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readObject

any
readObject()
raises(	SQLException );

Description: returns the datum at the 長，率いる of the stream as an any.; The actual type of the any returned is 決定するd by the default type mapping, and any customizations 現在の in this stream's type 地図／計画する.
A type 地図／計画する is 登録（する）d with the stream by the SDBC driver before the stream is passed to the 使用／適用.
When the datum at the 長，率いる of the stream is a SQL NULL, the method returns 無効の. If the datum is a SQL structured or 際立った type, it 決定するs the SQL type of the datum at the 長，率いる of the stream, 建設するs an 反対する of the appropriate service, and calls the method XSQLData::readSQL() on that 反対する, which reads 付加 data from the stream using the 議定書述べるd for that method.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readRef

XRef
readRef()
raises(	SQLException );

Description: reads a REF(<structured-type>) from the stream.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readBlob

XBlob
readBlob()
raises(	SQLException );

Description: reads a BLOB from the stream.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readClob

XClob
readClob()
raises(	SQLException );

Description: reads a CLOB from the stream.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

readArray

XArray
readArray()
raises(	SQLException );

Description: reads an array from the stream.
Returns: the せいにする; if the value is SQL NULL, return null.
Throws: SQLException if a database 接近 error occurs.

wasNull

boolean
wasNull()
raises(	SQLException );

Description: 決定するs whether the last value read was null.
Returns: true if the most recently gotten SQL value was null; さもなければ, 誤った
Throws: SQLException if a database 接近 error occurs.

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