Rename I/O timing statistics columns to blk_read_time and blk_write_time.

This seems more consistent with the pre-existing choices for names of
other statistics columns.  Rename assorted internal identifiers to match.

1 files changed, 6 insertions, 6 deletions

diff --git a/src/include/executor/instrument.h b/src/include/executor/instrument.h
index d29ab9b9f34..fe64369527e 100644
--- a/src/include/executor/instrument.h
+++ b/src/include/executor/instrument.h
@@ -18,18 +18,18 @@
 
 typedef struct BufferUsage
 {
-	long		shared_blks_hit;	/* # of shared buffer hits */
+	long		shared_blks_hit;		/* # of shared buffer hits */
 	long		shared_blks_read;		/* # of shared disk blocks read */
 	long		shared_blks_dirtied;	/* # of shared blocks dirtied */
 	long		shared_blks_written;	/* # of shared disk blocks written */
-	long		local_blks_hit; /* # of local buffer hits */
-	long		local_blks_read;	/* # of local disk blocks read */
+	long		local_blks_hit;			/* # of local buffer hits */
+	long		local_blks_read;		/* # of local disk blocks read */
 	long		local_blks_dirtied;		/* # of shared blocks dirtied */
 	long		local_blks_written;		/* # of local disk blocks written */
-	long		temp_blks_read; /* # of temp blocks read */
+	long		temp_blks_read;			/* # of temp blocks read */
 	long		temp_blks_written;		/* # of temp blocks written */
-	instr_time	time_read;				/* time spent reading */
-	instr_time	time_write;				/* time spent writing */
+	instr_time	blk_read_time;			/* time spent reading */
+	instr_time	blk_write_time;			/* time spent writing */
 } BufferUsage;
 
 /* Flag bits included in InstrAlloc's instrument_options bitmask */