LCOV - differential code coverage report
Current view: top level - contrib/btree_gist - btree_float8.c (source / functions) Coverage Total Hit UBC GNC CBC DCB
Current: Differential Code Coverage HEAD vs 15 Lines: 94.0 % 83 78 5 2 76 2
Current Date: 2023-04-08 15:15:32 Functions: 100.0 % 25 25 2 23
Baseline: 15
Baseline Date: 2023-04-08 15:09:40
Legend: Lines: hit not hit

           TLA  Line data    Source code
       1                 : /*
       2                 :  * contrib/btree_gist/btree_float8.c
       3                 :  */
       4                 : #include "postgres.h"
       5                 : 
       6                 : #include "btree_gist.h"
       7                 : #include "btree_utils_num.h"
       8                 : #include "utils/float.h"
       9                 : 
      10                 : typedef struct float8key
      11                 : {
      12                 :     float8      lower;
      13                 :     float8      upper;
      14                 : } float8KEY;
      15                 : 
      16                 : /*
      17                 : ** float8 ops
      18                 : */
      19 CBC           2 : PG_FUNCTION_INFO_V1(gbt_float8_compress);
      20               2 : PG_FUNCTION_INFO_V1(gbt_float8_fetch);
      21               2 : PG_FUNCTION_INFO_V1(gbt_float8_union);
      22               2 : PG_FUNCTION_INFO_V1(gbt_float8_picksplit);
      23               2 : PG_FUNCTION_INFO_V1(gbt_float8_consistent);
      24               2 : PG_FUNCTION_INFO_V1(gbt_float8_distance);
      25               2 : PG_FUNCTION_INFO_V1(gbt_float8_penalty);
      26               2 : PG_FUNCTION_INFO_V1(gbt_float8_same);
      27                 : 
      28                 : 
      29                 : static bool
      30            1597 : gbt_float8gt(const void *a, const void *b, FmgrInfo *flinfo)
      31                 : {
      32            1597 :     return (*((const float8 *) a) > *((const float8 *) b));
      33                 : }
      34                 : static bool
      35             382 : gbt_float8ge(const void *a, const void *b, FmgrInfo *flinfo)
      36                 : {
      37             382 :     return (*((const float8 *) a) >= *((const float8 *) b));
      38                 : }
      39                 : static bool
      40             734 : gbt_float8eq(const void *a, const void *b, FmgrInfo *flinfo)
      41                 : {
      42             734 :     return (*((const float8 *) a) == *((const float8 *) b));
      43                 : }
      44                 : static bool
      45             558 : gbt_float8le(const void *a, const void *b, FmgrInfo *flinfo)
      46                 : {
      47             558 :     return (*((const float8 *) a) <= *((const float8 *) b));
      48                 : }
      49                 : static bool
      50            1728 : gbt_float8lt(const void *a, const void *b, FmgrInfo *flinfo)
      51                 : {
      52            1728 :     return (*((const float8 *) a) < *((const float8 *) b));
      53                 : }
      54                 : 
      55                 : static int
      56            6805 : gbt_float8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
      57                 : {
      58            6805 :     float8KEY  *ia = (float8KEY *) (((const Nsrt *) a)->t);
      59            6805 :     float8KEY  *ib = (float8KEY *) (((const Nsrt *) b)->t);
      60                 : 
      61            6805 :     if (ia->lower == ib->lower)
      62                 :     {
      63 UBC           0 :         if (ia->upper == ib->upper)
      64               0 :             return 0;
      65                 : 
      66               0 :         return (ia->upper > ib->upper) ? 1 : -1;
      67                 :     }
      68                 : 
      69 CBC        6805 :     return (ia->lower > ib->lower) ? 1 : -1;
      70                 : }
      71                 : 
      72                 : static float8
      73             138 : gbt_float8_dist(const void *a, const void *b, FmgrInfo *flinfo)
      74                 : {
      75             138 :     float8      arg1 = *(const float8 *) a;
      76             138 :     float8      arg2 = *(const float8 *) b;
      77                 :     float8      r;
      78                 : 
      79             138 :     r = arg1 - arg2;
      80             138 :     if (unlikely(isinf(r)) && !isinf(arg1) && !isinf(arg2))
      81 UBC           0 :         float_overflow_error();
      82 GNC         138 :     return fabs(r);
      83                 : }
      84                 : 
      85                 : 
      86                 : static const gbtree_ninfo tinfo =
      87                 : {
      88                 :     gbt_t_float8,
      89                 :     sizeof(float8),
      90                 :     16,                         /* sizeof(gbtreekey16) */
      91                 :     gbt_float8gt,
      92                 :     gbt_float8ge,
      93                 :     gbt_float8eq,
      94                 :     gbt_float8le,
      95                 :     gbt_float8lt,
      96                 :     gbt_float8key_cmp,
      97                 :     gbt_float8_dist
      98                 : };
      99                 : 
     100                 : 
     101 CBC           2 : PG_FUNCTION_INFO_V1(float8_dist);
     102                 : Datum
     103             547 : float8_dist(PG_FUNCTION_ARGS)
     104                 : {
     105             547 :     float8      a = PG_GETARG_FLOAT8(0);
     106             547 :     float8      b = PG_GETARG_FLOAT8(1);
     107                 :     float8      r;
     108                 : 
     109             547 :     r = a - b;
     110             547 :     if (unlikely(isinf(r)) && !isinf(a) && !isinf(b))
     111 UBC           0 :         float_overflow_error();
     112                 : 
     113 GNC         547 :     PG_RETURN_FLOAT8(fabs(r));
     114                 : }
     115                 : 
     116                 : /**************************************************
     117                 :  * float8 ops
     118                 :  **************************************************/
     119                 : 
     120                 : 
     121                 : Datum
     122 CBC         552 : gbt_float8_compress(PG_FUNCTION_ARGS)
     123                 : {
     124             552 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     125                 : 
     126             552 :     PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
     127                 : }
     128                 : 
     129                 : Datum
     130             135 : gbt_float8_fetch(PG_FUNCTION_ARGS)
     131                 : {
     132             135 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     133                 : 
     134             135 :     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
     135                 : }
     136                 : 
     137                 : Datum
     138            1513 : gbt_float8_consistent(PG_FUNCTION_ARGS)
     139                 : {
     140            1513 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     141            1513 :     float8      query = PG_GETARG_FLOAT8(1);
     142            1513 :     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     143                 : 
     144                 :     /* Oid      subtype = PG_GETARG_OID(3); */
     145            1513 :     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     146            1513 :     float8KEY  *kkk = (float8KEY *) DatumGetPointer(entry->key);
     147                 :     GBT_NUMKEY_R key;
     148                 : 
     149                 :     /* All cases served by this function are exact */
     150            1513 :     *recheck = false;
     151                 : 
     152            1513 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     153            1513 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     154                 : 
     155            1513 :     PG_RETURN_BOOL(gbt_num_consistent(&key, (void *) &query, &strategy,
     156                 :                                       GIST_LEAF(entry), &tinfo,
     157                 :                                       fcinfo->flinfo));
     158                 : }
     159                 : 
     160                 : 
     161                 : Datum
     162             139 : gbt_float8_distance(PG_FUNCTION_ARGS)
     163                 : {
     164             139 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     165             139 :     float8      query = PG_GETARG_FLOAT8(1);
     166                 : 
     167                 :     /* Oid      subtype = PG_GETARG_OID(3); */
     168             139 :     float8KEY  *kkk = (float8KEY *) DatumGetPointer(entry->key);
     169                 :     GBT_NUMKEY_R key;
     170                 : 
     171             139 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     172             139 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     173                 : 
     174             139 :     PG_RETURN_FLOAT8(gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry),
     175                 :                                       &tinfo, fcinfo->flinfo));
     176                 : }
     177                 : 
     178                 : 
     179                 : Datum
     180             301 : gbt_float8_union(PG_FUNCTION_ARGS)
     181                 : {
     182             301 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     183             301 :     void       *out = palloc(sizeof(float8KEY));
     184                 : 
     185             301 :     *(int *) PG_GETARG_POINTER(1) = sizeof(float8KEY);
     186             301 :     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
     187                 : }
     188                 : 
     189                 : 
     190                 : Datum
     191             541 : gbt_float8_penalty(PG_FUNCTION_ARGS)
     192                 : {
     193             541 :     float8KEY  *origentry = (float8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     194             541 :     float8KEY  *newentry = (float8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     195             541 :     float      *result = (float *) PG_GETARG_POINTER(2);
     196                 : 
     197             541 :     penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
     198                 : 
     199             541 :     PG_RETURN_POINTER(result);
     200                 : }
     201                 : 
     202                 : Datum
     203               3 : gbt_float8_picksplit(PG_FUNCTION_ARGS)
     204                 : {
     205               3 :     PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
     206                 :                                         (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
     207                 :                                         &tinfo, fcinfo->flinfo));
     208                 : }
     209                 : 
     210                 : Datum
     211             300 : gbt_float8_same(PG_FUNCTION_ARGS)
     212                 : {
     213             300 :     float8KEY  *b1 = (float8KEY *) PG_GETARG_POINTER(0);
     214             300 :     float8KEY  *b2 = (float8KEY *) PG_GETARG_POINTER(1);
     215             300 :     bool       *result = (bool *) PG_GETARG_POINTER(2);
     216                 : 
     217             300 :     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     218             300 :     PG_RETURN_POINTER(result);
     219                 : }
        

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