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Fix field order in struct catcache.

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Somebody failed to grasp the point of having the #ifdef CATCACHE_STATS
fields at the end of the struct.  Put that back the way it should be,
and add a comment making it more explicit why it should be that way.
This commit is contained in:
Tom Lane
2017-01-12 18:59:46 -05:00
parent 750c59d7ec
commit e2117e4ab0
1 changed files with 6 additions and 1 deletions
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7
src/include/utils/catcache.h
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@@ -52,6 +52,12 @@ typedef struct catcache
* heap scans */ * heap scans */
bool cc_isname[CATCACHE_MAXKEYS]; /* flag "name" key columns */ bool cc_isname[CATCACHE_MAXKEYS]; /* flag "name" key columns */
dlist_head cc_lists; /* list of CatCList structs */ dlist_head cc_lists; /* list of CatCList structs */
dlist_head *cc_bucket; /* hash buckets */
/*
* Keep these at the end, so that compiling catcache.c with CATCACHE_STATS
* doesn't break ABI for other modules
*/
#ifdef CATCACHE_STATS #ifdef CATCACHE_STATS
long cc_searches; /* total # searches against this cache */ long cc_searches; /* total # searches against this cache */
long cc_hits; /* # of matches against existing entry */ long cc_hits; /* # of matches against existing entry */
@@ -66,7 +72,6 @@ typedef struct catcache
long cc_lsearches; /* total # list-searches */ long cc_lsearches; /* total # list-searches */
long cc_lhits; /* # of matches against existing lists */ long cc_lhits; /* # of matches against existing lists */
#endif #endif
dlist_head *cc_bucket; /* hash buckets */
} CatCache; } CatCache;