パッケージ org.postgresql.copy
インタフェース CopyIn
- すべてのスーパーインタフェース:
CopyOperation
- 既知のサブインタフェースのリスト:
CopyDual
- 既知の実装クラスのリスト:
CopyDualImpl
,CopyInImpl
,PGCopyOutputStream
Copy bulk data from client into a PostgreSQL table very fast.
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メソッドの概要
修飾子とタイプメソッド説明long
endCopy()
Finishes copy operation successfully.void
Force any buffered output to be sent over the network to the backend.void
writeToCopy
(byte[] buf, int off, int siz) Writes specified part of given byte array to an open and writable copy operation.void
writeToCopy
(ByteStreamWriter from) Writes a ByteStreamWriter to an open and writable copy operation.インタフェースから継承されたメソッド org.postgresql.copy.CopyOperation
cancelCopy, getFieldCount, getFieldFormat, getFormat, getHandledRowCount, isActive
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メソッドの詳細
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writeToCopy
Writes specified part of given byte array to an open and writable copy operation.- パラメータ:
buf
- array of bytes to writeoff
- offset of first byte to write (normally zero)siz
- number of bytes to write (normally buf.length)- 例外:
SQLException
- if the operation fails
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writeToCopy
Writes a ByteStreamWriter to an open and writable copy operation.- パラメータ:
from
- the source of bytes, e.g. a ByteBufferByteStreamWriter- 例外:
SQLException
- if the operation fails
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flushCopy
Force any buffered output to be sent over the network to the backend. In general this is a useless operation as it will get pushed over in due time or when endCopy is called. Some specific modified server versions (Truviso) want this data sooner. If you are unsure if you need to use this method, don't.- 例外:
SQLException
- if the operation fails.
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endCopy
Finishes copy operation successfully.- 戻り値:
- number of updated rows for server 8.2 or newer (see getHandledRowCount())
- 例外:
SQLException
- if the operation fails.
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