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Provide for parallel restoration from a custom format archive. Each data and

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post-data step is run in a separate worker child (a thread on Windows, a child
process elsewhere) up to the concurrent number specified by the new pg_restore
command-line --multi-thread | -m switch.

Andrew Dunstan, with some editing by Tom Lane.
This commit is contained in:
Andrew Dunstan
2009-02-02 20:07:37 +00:00
parent 3a5b773715
commit 775f1b379e
11 changed files with 1509 additions and 276 deletions
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5
src/bin/pg_dump/pg_backup_null.c
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@@ -17,7 +17,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_null.c,v 1.19 2006/07/14 14:52:26 momjian Exp $
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_null.c,v 1.20 2009/02/02 20:07:37 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@@ -54,12 +54,15 @@ InitArchiveFmt_Null(ArchiveHandle *AH)
AH->WriteBytePtr = _WriteByte;
AH->WriteBufPtr = _WriteBuf;
AH->ClosePtr = _CloseArchive;
AH->ReopenPtr = NULL;
AH->PrintTocDataPtr = _PrintTocData;
AH->StartBlobsPtr = _StartBlobs;
AH->StartBlobPtr = _StartBlob;
AH->EndBlobPtr = _EndBlob;
AH->EndBlobsPtr = _EndBlobs;
AH->ClonePtr = NULL;
AH->DeClonePtr = NULL;
/* Initialize LO buffering */
AH->lo_buf_size = LOBBUFSIZE;