From 4a539a25ebfc48329fd656a95f3c1eb2cda38af3 Mon Sep 17 00:00:00 2001 From: Fujii Masao Date: Mon, 30 Mar 2020 12:15:26 +0900 Subject: Expose BufferUsageAccumDiff(). Previously pg_stat_statements calculated the difference of buffer counters by its own code even while BufferUsageAccumDiff() had the same code. This commit expose BufferUsageAccumDiff() and makes pg_stat_statements use it for the calculation, in order to simply the code. This change also would be useful for the upcoming patch for the planning counters in pg_stat_statements because the patch will add one more code for the calculation of difference of buffer counters and that can easily be done by using BufferUsageAccumDiff(). Author: Julien Rouhaud Reviewed-by: Fujii Masao Discussion: https://postgr.es/m/bdfee4e0-a304-2498-8da5-3cb52c0a193e@oss.nttdata.com --- src/backend/executor/instrument.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'src/backend/executor') diff --git a/src/backend/executor/instrument.c b/src/backend/executor/instrument.c index bc1d42bf649..042e10f96bc 100644 --- a/src/backend/executor/instrument.c +++ b/src/backend/executor/instrument.c @@ -21,8 +21,6 @@ BufferUsage pgBufferUsage; static BufferUsage save_pgBufferUsage; static void BufferUsageAdd(BufferUsage *dst, const BufferUsage *add); -static void BufferUsageAccumDiff(BufferUsage *dst, - const BufferUsage *add, const BufferUsage *sub); /* Allocate new instrumentation structure(s) */ @@ -203,7 +201,7 @@ BufferUsageAdd(BufferUsage *dst, const BufferUsage *add) } /* dst += add - sub */ -static void +void BufferUsageAccumDiff(BufferUsage *dst, const BufferUsage *add, const BufferUsage *sub) -- cgit v1.2.3