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[CBRD-25509] Remove big_length handling from the function, heap_stats_find_best_page. #5687

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[CBRD-25509] Remove big_length handling from the function, heap_stats_find_best_page. #5687

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7271d16
[CBRD-25509] Remove big_length handling from the function, heap_stats…
hyahong Dec 8, 2024
a0f5cba
[CBRD-25509] Add assert to make sure the previous condition is always…
hyahong Dec 12, 2024
b6ec536
[CBRD-25509] Make assert concisely.
hyahong Dec 16, 2024
68d1239
[CBRD-25509] Clearn traces.
hyahong Dec 24, 2024
5fe511d
[CBRD-25509] Make code consistently.
hyahong Dec 30, 2024
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24 changes: 11 additions & 13 deletions src/storage/heap_file.c
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Original file line number Diff line number Diff line change
Expand Up @@ -627,7 +627,7 @@ static HEAP_FINDSPACE heap_stats_find_page_in_bestspace (THREAD_ENTRY * thread_p
int record_length, int needed_space,
HEAP_SCANCACHE * scan_cache, PGBUF_WATCHER * pg_watcher);
static PAGE_PTR heap_stats_find_best_page (THREAD_ENTRY * thread_p, const HFID * hfid, int needed_space, bool isnew_rec,
int newrec_size, HEAP_SCANCACHE * space_cache, PGBUF_WATCHER * pg_watcher);
HEAP_SCANCACHE * space_cache, PGBUF_WATCHER * pg_watcher);
static int heap_stats_sync_bestspace (THREAD_ENTRY * thread_p, const HFID * hfid, HEAP_HDR_STATS * heap_hdr,
VPID * hdr_vpid, bool scan_all, bool can_cycle);

Expand Down Expand Up @@ -3492,8 +3492,8 @@ heap_stats_find_page_in_bestspace (THREAD_ENTRY * thread_p, const HFID * hfid, H
* hfid(in): Object heap file identifier
* needed_space(in): The minimal space needed
* isnew_rec(in): Are we inserting a new record to the heap ?
* newrec_size(in): Size of the new record
* scan_cache(in/out): Scan cache used to estimate the best space pages
* pg_watcher(out): watcher for a found page.
*
* Note: Find a page among the set of best pages of the heap which has
* the needed space. If we do not find any page, a new page is
Expand All @@ -3503,7 +3503,7 @@ heap_stats_find_page_in_bestspace (THREAD_ENTRY * thread_p, const HFID * hfid, H
*/
static PAGE_PTR
heap_stats_find_best_page (THREAD_ENTRY * thread_p, const HFID * hfid, int needed_space, bool isnew_rec,
int newrec_size, HEAP_SCANCACHE * scan_cache, PGBUF_WATCHER * pg_watcher)
HEAP_SCANCACHE * scan_cache, PGBUF_WATCHER * pg_watcher)
{
VPID vpid; /* Volume and page identifiers */
LOG_DATA_ADDR addr_hdr; /* Address of logging data */
Expand All @@ -3518,13 +3518,16 @@ heap_stats_find_best_page (THREAD_ENTRY * thread_p, const HFID * hfid, int neede
int error_code = NO_ERROR;
PERF_UTIME_TRACKER time_find_best_page = PERF_UTIME_TRACKER_INITIALIZER;

assert (!heap_is_big_length (needed_space));
assert (scan_cache == NULL || scan_cache->cache_last_fix_page == false || scan_cache->page_watcher.pgptr == NULL);

PERF_UTIME_TRACKER_START (thread_p, &time_find_best_page);

/*
* Try to use the space cache for as much information as possible to avoid
* fetching and updating the header page a lot.
*/

assert (scan_cache == NULL || scan_cache->cache_last_fix_page == false || scan_cache->page_watcher.pgptr == NULL);
PGBUF_INIT_WATCHER (&hdr_page_watcher, PGBUF_ORDERED_HEAP_HDR, hfid);

/*
Expand Down Expand Up @@ -3567,14 +3570,9 @@ heap_stats_find_best_page (THREAD_ENTRY * thread_p, const HFID * hfid, int neede
if (isnew_rec == true)
{
heap_hdr->estimates.num_recs += 1;
if (newrec_size > DB_PAGESIZE)
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{
heap_hdr->estimates.num_pages += CEIL_PTVDIV (newrec_size, DB_PAGESIZE);
}
}
heap_hdr->estimates.recs_sumlen += (float) newrec_size;
heap_hdr->estimates.recs_sumlen += (float) needed_space;

assert (!heap_is_big_length (needed_space));
/* Take into consideration the unfill factor for pages with objects */
total_space = needed_space + heap_Slotted_overhead + heap_hdr->unfill_space;
if (heap_is_big_length (total_space))
Expand Down Expand Up @@ -20463,13 +20461,13 @@ heap_get_insert_location_with_lock (THREAD_ENTRY * thread_p, HEAP_OPERATION_CONT
assert (context != NULL);
assert (context->type == HEAP_OPERATION_INSERT);
assert (context->recdes_p != NULL);
assert (context->recdes_p->type != REC_NEWHOME);

if (home_hint_p == NULL)
{
/* find and fix page for insert */
if (heap_stats_find_best_page (thread_p, &context->hfid, context->recdes_p->length,
(context->recdes_p->type != REC_NEWHOME), context->recdes_p->length,
context->scan_cache_p, context->home_page_watcher_p) == NULL)
true, context->scan_cache_p, context->home_page_watcher_p) == NULL)
{
ASSERT_ERROR_AND_SET (error_code);
return error_code;
Expand Down Expand Up @@ -20610,7 +20608,7 @@ heap_find_location_and_insert_rec_newhome (THREAD_ENTRY * thread_p, HEAP_OPERATI
}
#endif

if (heap_stats_find_best_page (thread_p, &context->hfid, context->recdes_p->length, false, context->recdes_p->length,
if (heap_stats_find_best_page (thread_p, &context->hfid, context->recdes_p->length, false,
context->scan_cache_p, context->home_page_watcher_p) == NULL)
{
ASSERT_ERROR_AND_SET (error_code);
Expand Down
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