From 041b96802efa33d2bc9456f2ad946976b92b5ae1 Mon Sep 17 00:00:00 2001 From: Thomas Munro Date: Mon, 8 Apr 2024 13:16:20 +1200 Subject: Use streaming I/O in ANALYZE. The ANALYZE command prefetches and reads sample blocks chosen by a BlockSampler algorithm. Instead of calling [Prefetch|Read]Buffer() for each block, ANALYZE now uses the streaming API introduced in b5a9b18cd0. Author: Nazir Bilal Yavuz Reviewed-by: Melanie Plageman Reviewed-by: Andres Freund Reviewed-by: Jakub Wartak Reviewed-by: Heikki Linnakangas Reviewed-by: Thomas Munro Discussion: https://postgr.es/m/flat/CAN55FZ0UhXqk9v3y-zW_fp4-WCp43V8y0A72xPmLkOM%2B6M%2BmJg%40mail.gmail.com --- src/include/access/heapam.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'src/include') diff --git a/src/include/access/heapam.h b/src/include/access/heapam.h index 48936826bcc..f84dbe629fe 100644 --- a/src/include/access/heapam.h +++ b/src/include/access/heapam.h @@ -413,9 +413,8 @@ extern bool HeapTupleIsSurelyDead(HeapTuple htup, struct GlobalVisState *vistest); /* in heap/heapam_handler.c*/ -extern void heapam_scan_analyze_next_block(TableScanDesc scan, - BlockNumber blockno, - BufferAccessStrategy bstrategy); +extern bool heapam_scan_analyze_next_block(TableScanDesc scan, + ReadStream *stream); extern bool heapam_scan_analyze_next_tuple(TableScanDesc scan, TransactionId OldestXmin, double *liverows, double *deadrows, -- cgit v1.2.3