LCOV - code coverage report
Current view: top level - contrib/btree_gist - btree_date.c (source / functions) Coverage Total Hit
Test: Code coverage Lines: 0.0 % 110 0
Test Date: 2026-01-26 10:56:24 Functions: 0.0 % 28 0
Legend: Lines:     hit not hit

            Line data    Source code
       1              : /*
       2              :  * contrib/btree_gist/btree_date.c
       3              :  */
       4              : #include "postgres.h"
       5              : 
       6              : #include "btree_gist.h"
       7              : #include "btree_utils_num.h"
       8              : #include "utils/fmgrprotos.h"
       9              : #include "utils/date.h"
      10              : #include "utils/rel.h"
      11              : #include "utils/sortsupport.h"
      12              : 
      13              : typedef struct
      14              : {
      15              :         DateADT         lower;
      16              :         DateADT         upper;
      17              : } dateKEY;
      18              : 
      19              : /* GiST support functions */
      20            0 : PG_FUNCTION_INFO_V1(gbt_date_compress);
      21            0 : PG_FUNCTION_INFO_V1(gbt_date_fetch);
      22            0 : PG_FUNCTION_INFO_V1(gbt_date_union);
      23            0 : PG_FUNCTION_INFO_V1(gbt_date_picksplit);
      24            0 : PG_FUNCTION_INFO_V1(gbt_date_consistent);
      25            0 : PG_FUNCTION_INFO_V1(gbt_date_distance);
      26            0 : PG_FUNCTION_INFO_V1(gbt_date_penalty);
      27            0 : PG_FUNCTION_INFO_V1(gbt_date_same);
      28            0 : PG_FUNCTION_INFO_V1(gbt_date_sortsupport);
      29              : 
      30              : static bool
      31            0 : gbt_dategt(const void *a, const void *b, FmgrInfo *flinfo)
      32              : {
      33            0 :         return DatumGetBool(DirectFunctionCall2(date_gt,
      34              :                                                                                         DateADTGetDatum(*((const DateADT *) a)),
      35              :                                                                                         DateADTGetDatum(*((const DateADT *) b))));
      36              : }
      37              : 
      38              : static bool
      39            0 : gbt_datege(const void *a, const void *b, FmgrInfo *flinfo)
      40              : {
      41            0 :         return DatumGetBool(DirectFunctionCall2(date_ge,
      42              :                                                                                         DateADTGetDatum(*((const DateADT *) a)),
      43              :                                                                                         DateADTGetDatum(*((const DateADT *) b))));
      44              : }
      45              : 
      46              : static bool
      47            0 : gbt_dateeq(const void *a, const void *b, FmgrInfo *flinfo)
      48              : {
      49            0 :         return DatumGetBool(DirectFunctionCall2(date_eq,
      50              :                                                                                         DateADTGetDatum(*((const DateADT *) a)),
      51              :                                                                                         DateADTGetDatum(*((const DateADT *) b)))
      52              :                 );
      53              : }
      54              : 
      55              : static bool
      56            0 : gbt_datele(const void *a, const void *b, FmgrInfo *flinfo)
      57              : {
      58            0 :         return DatumGetBool(DirectFunctionCall2(date_le,
      59              :                                                                                         DateADTGetDatum(*((const DateADT *) a)),
      60              :                                                                                         DateADTGetDatum(*((const DateADT *) b))));
      61              : }
      62              : 
      63              : static bool
      64            0 : gbt_datelt(const void *a, const void *b, FmgrInfo *flinfo)
      65              : {
      66            0 :         return DatumGetBool(DirectFunctionCall2(date_lt,
      67              :                                                                                         DateADTGetDatum(*((const DateADT *) a)),
      68              :                                                                                         DateADTGetDatum(*((const DateADT *) b))));
      69              : }
      70              : 
      71              : 
      72              : 
      73              : static int
      74            0 : gbt_datekey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
      75              : {
      76            0 :         dateKEY    *ia = (dateKEY *) (((const Nsrt *) a)->t);
      77            0 :         dateKEY    *ib = (dateKEY *) (((const Nsrt *) b)->t);
      78            0 :         int                     res;
      79              : 
      80            0 :         res = DatumGetInt32(DirectFunctionCall2(date_cmp,
      81              :                                                                                         DateADTGetDatum(ia->lower),
      82              :                                                                                         DateADTGetDatum(ib->lower)));
      83            0 :         if (res == 0)
      84            0 :                 return DatumGetInt32(DirectFunctionCall2(date_cmp,
      85              :                                                                                                  DateADTGetDatum(ia->upper),
      86              :                                                                                                  DateADTGetDatum(ib->upper)));
      87              : 
      88            0 :         return res;
      89            0 : }
      90              : 
      91              : static float8
      92            0 : gdb_date_dist(const void *a, const void *b, FmgrInfo *flinfo)
      93              : {
      94              :         /* we assume the difference can't overflow */
      95            0 :         Datum           diff = DirectFunctionCall2(date_mi,
      96              :                                                                                    DateADTGetDatum(*((const DateADT *) a)),
      97              :                                                                                    DateADTGetDatum(*((const DateADT *) b)));
      98              : 
      99            0 :         return (float8) abs(DatumGetInt32(diff));
     100            0 : }
     101              : 
     102              : 
     103              : static const gbtree_ninfo tinfo =
     104              : {
     105              :         gbt_t_date,
     106              :         sizeof(DateADT),
     107              :         8,                                                      /* sizeof(gbtreekey8) */
     108              :         gbt_dategt,
     109              :         gbt_datege,
     110              :         gbt_dateeq,
     111              :         gbt_datele,
     112              :         gbt_datelt,
     113              :         gbt_datekey_cmp,
     114              :         gdb_date_dist
     115              : };
     116              : 
     117              : 
     118            0 : PG_FUNCTION_INFO_V1(date_dist);
     119              : Datum
     120            0 : date_dist(PG_FUNCTION_ARGS)
     121              : {
     122              :         /* we assume the difference can't overflow */
     123            0 :         Datum           diff = DirectFunctionCall2(date_mi,
     124              :                                                                                    PG_GETARG_DATUM(0),
     125              :                                                                                    PG_GETARG_DATUM(1));
     126              : 
     127            0 :         PG_RETURN_INT32(abs(DatumGetInt32(diff)));
     128            0 : }
     129              : 
     130              : 
     131              : /**************************************************
     132              :  * GiST support functions
     133              :  **************************************************/
     134              : 
     135              : Datum
     136            0 : gbt_date_compress(PG_FUNCTION_ARGS)
     137              : {
     138            0 :         GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     139              : 
     140            0 :         PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
     141            0 : }
     142              : 
     143              : Datum
     144            0 : gbt_date_fetch(PG_FUNCTION_ARGS)
     145              : {
     146            0 :         GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     147              : 
     148            0 :         PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
     149            0 : }
     150              : 
     151              : Datum
     152            0 : gbt_date_consistent(PG_FUNCTION_ARGS)
     153              : {
     154            0 :         GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     155            0 :         DateADT         query = PG_GETARG_DATEADT(1);
     156            0 :         StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     157              : #ifdef NOT_USED
     158              :         Oid                     subtype = PG_GETARG_OID(3);
     159              : #endif
     160            0 :         bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     161            0 :         dateKEY    *kkk = (dateKEY *) DatumGetPointer(entry->key);
     162            0 :         GBT_NUMKEY_R key;
     163              : 
     164              :         /* All cases served by this function are exact */
     165            0 :         *recheck = false;
     166              : 
     167            0 :         key.lower = (GBT_NUMKEY *) &kkk->lower;
     168            0 :         key.upper = (GBT_NUMKEY *) &kkk->upper;
     169              : 
     170            0 :         PG_RETURN_BOOL(gbt_num_consistent(&key, &query, &strategy,
     171              :                                                                           GIST_LEAF(entry), &tinfo,
     172              :                                                                           fcinfo->flinfo));
     173            0 : }
     174              : 
     175              : Datum
     176            0 : gbt_date_distance(PG_FUNCTION_ARGS)
     177              : {
     178            0 :         GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     179            0 :         DateADT         query = PG_GETARG_DATEADT(1);
     180              : #ifdef NOT_USED
     181              :         Oid                     subtype = PG_GETARG_OID(3);
     182              : #endif
     183            0 :         dateKEY    *kkk = (dateKEY *) DatumGetPointer(entry->key);
     184            0 :         GBT_NUMKEY_R key;
     185              : 
     186            0 :         key.lower = (GBT_NUMKEY *) &kkk->lower;
     187            0 :         key.upper = (GBT_NUMKEY *) &kkk->upper;
     188              : 
     189            0 :         PG_RETURN_FLOAT8(gbt_num_distance(&key, &query, GIST_LEAF(entry),
     190              :                                                                           &tinfo, fcinfo->flinfo));
     191            0 : }
     192              : 
     193              : Datum
     194            0 : gbt_date_union(PG_FUNCTION_ARGS)
     195              : {
     196            0 :         GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     197            0 :         void       *out = palloc(sizeof(dateKEY));
     198              : 
     199            0 :         *(int *) PG_GETARG_POINTER(1) = sizeof(dateKEY);
     200            0 :         PG_RETURN_POINTER(gbt_num_union(out, entryvec, &tinfo, fcinfo->flinfo));
     201            0 : }
     202              : 
     203              : Datum
     204            0 : gbt_date_penalty(PG_FUNCTION_ARGS)
     205              : {
     206            0 :         dateKEY    *origentry = (dateKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     207            0 :         dateKEY    *newentry = (dateKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     208            0 :         float      *result = (float *) PG_GETARG_POINTER(2);
     209            0 :         int32           diff,
     210              :                                 res;
     211              : 
     212            0 :         diff = DatumGetInt32(DirectFunctionCall2(date_mi,
     213              :                                                                                          DateADTGetDatum(newentry->upper),
     214              :                                                                                          DateADTGetDatum(origentry->upper)));
     215              : 
     216            0 :         res = Max(diff, 0);
     217              : 
     218            0 :         diff = DatumGetInt32(DirectFunctionCall2(date_mi,
     219              :                                                                                          DateADTGetDatum(origentry->lower),
     220              :                                                                                          DateADTGetDatum(newentry->lower)));
     221              : 
     222            0 :         res += Max(diff, 0);
     223              : 
     224            0 :         *result = 0.0;
     225              : 
     226            0 :         if (res > 0)
     227              :         {
     228            0 :                 diff = DatumGetInt32(DirectFunctionCall2(date_mi,
     229              :                                                                                                  DateADTGetDatum(origentry->upper),
     230              :                                                                                                  DateADTGetDatum(origentry->lower)));
     231            0 :                 *result += FLT_MIN;
     232            0 :                 *result += (float) (res / ((double) (res + diff)));
     233            0 :                 *result *= (FLT_MAX / (((GISTENTRY *) PG_GETARG_POINTER(0))->rel->rd_att->natts + 1));
     234            0 :         }
     235              : 
     236            0 :         PG_RETURN_POINTER(result);
     237            0 : }
     238              : 
     239              : Datum
     240            0 : gbt_date_picksplit(PG_FUNCTION_ARGS)
     241              : {
     242            0 :         PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
     243              :                                                                                 (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
     244              :                                                                                 &tinfo, fcinfo->flinfo));
     245              : }
     246              : 
     247              : Datum
     248            0 : gbt_date_same(PG_FUNCTION_ARGS)
     249              : {
     250            0 :         dateKEY    *b1 = (dateKEY *) PG_GETARG_POINTER(0);
     251            0 :         dateKEY    *b2 = (dateKEY *) PG_GETARG_POINTER(1);
     252            0 :         bool       *result = (bool *) PG_GETARG_POINTER(2);
     253              : 
     254            0 :         *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     255            0 :         PG_RETURN_POINTER(result);
     256            0 : }
     257              : 
     258              : static int
     259            0 : gbt_date_ssup_cmp(Datum x, Datum y, SortSupport ssup)
     260              : {
     261            0 :         dateKEY    *akey = (dateKEY *) DatumGetPointer(x);
     262            0 :         dateKEY    *bkey = (dateKEY *) DatumGetPointer(y);
     263              : 
     264              :         /* for leaf items we expect lower == upper, so only compare lower */
     265            0 :         return DatumGetInt32(DirectFunctionCall2(date_cmp,
     266              :                                                                                          DateADTGetDatum(akey->lower),
     267              :                                                                                          DateADTGetDatum(bkey->lower)));
     268            0 : }
     269              : 
     270              : Datum
     271            0 : gbt_date_sortsupport(PG_FUNCTION_ARGS)
     272              : {
     273            0 :         SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0);
     274              : 
     275            0 :         ssup->comparator = gbt_date_ssup_cmp;
     276            0 :         ssup->ssup_extra = NULL;
     277              : 
     278            0 :         PG_RETURN_VOID();
     279            0 : }
        

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