LCOV - differential code coverage report
Current view: top level - contrib/btree_gist - btree_float4.c (source / functions) Coverage Total Hit UBC GNC CBC DCB
Current: Differential Code Coverage HEAD vs 15 Lines: 94.9 % 78 74 4 1 73 1
Current Date: 2023-04-08 15:15:32 Functions: 100.0 % 25 25 1 24
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_float4.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 float4key
      11                 : {
      12                 :     float4      lower;
      13                 :     float4      upper;
      14                 : } float4KEY;
      15                 : 
      16                 : /*
      17                 : ** float4 ops
      18                 : */
      19 CBC           2 : PG_FUNCTION_INFO_V1(gbt_float4_compress);
      20               2 : PG_FUNCTION_INFO_V1(gbt_float4_fetch);
      21               2 : PG_FUNCTION_INFO_V1(gbt_float4_union);
      22               2 : PG_FUNCTION_INFO_V1(gbt_float4_picksplit);
      23               2 : PG_FUNCTION_INFO_V1(gbt_float4_consistent);
      24               2 : PG_FUNCTION_INFO_V1(gbt_float4_distance);
      25               2 : PG_FUNCTION_INFO_V1(gbt_float4_penalty);
      26               2 : PG_FUNCTION_INFO_V1(gbt_float4_same);
      27                 : 
      28                 : static bool
      29            1176 : gbt_float4gt(const void *a, const void *b, FmgrInfo *flinfo)
      30                 : {
      31            1176 :     return (*((const float4 *) a) > *((const float4 *) b));
      32                 : }
      33                 : static bool
      34             514 : gbt_float4ge(const void *a, const void *b, FmgrInfo *flinfo)
      35                 : {
      36             514 :     return (*((const float4 *) a) >= *((const float4 *) b));
      37                 : }
      38                 : static bool
      39             688 : gbt_float4eq(const void *a, const void *b, FmgrInfo *flinfo)
      40                 : {
      41             688 :     return (*((const float4 *) a) == *((const float4 *) b));
      42                 : }
      43                 : static bool
      44             821 : gbt_float4le(const void *a, const void *b, FmgrInfo *flinfo)
      45                 : {
      46             821 :     return (*((const float4 *) a) <= *((const float4 *) b));
      47                 : }
      48                 : static bool
      49            1458 : gbt_float4lt(const void *a, const void *b, FmgrInfo *flinfo)
      50                 : {
      51            1458 :     return (*((const float4 *) a) < *((const float4 *) b));
      52                 : }
      53                 : 
      54                 : static int
      55            3247 : gbt_float4key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
      56                 : {
      57            3247 :     float4KEY  *ia = (float4KEY *) (((const Nsrt *) a)->t);
      58            3247 :     float4KEY  *ib = (float4KEY *) (((const Nsrt *) b)->t);
      59                 : 
      60            3247 :     if (ia->lower == ib->lower)
      61                 :     {
      62 UBC           0 :         if (ia->upper == ib->upper)
      63               0 :             return 0;
      64                 : 
      65               0 :         return (ia->upper > ib->upper) ? 1 : -1;
      66                 :     }
      67                 : 
      68 CBC        3247 :     return (ia->lower > ib->lower) ? 1 : -1;
      69                 : }
      70                 : 
      71                 : static float8
      72             266 : gbt_float4_dist(const void *a, const void *b, FmgrInfo *flinfo)
      73                 : {
      74             266 :     return GET_FLOAT_DISTANCE(float4, a, b);
      75                 : }
      76                 : 
      77                 : 
      78                 : static const gbtree_ninfo tinfo =
      79                 : {
      80                 :     gbt_t_float4,
      81                 :     sizeof(float4),
      82                 :     8,                          /* sizeof(gbtreekey8) */
      83                 :     gbt_float4gt,
      84                 :     gbt_float4ge,
      85                 :     gbt_float4eq,
      86                 :     gbt_float4le,
      87                 :     gbt_float4lt,
      88                 :     gbt_float4key_cmp,
      89                 :     gbt_float4_dist
      90                 : };
      91                 : 
      92                 : 
      93               2 : PG_FUNCTION_INFO_V1(float4_dist);
      94                 : Datum
      95             550 : float4_dist(PG_FUNCTION_ARGS)
      96                 : {
      97             550 :     float4      a = PG_GETARG_FLOAT4(0);
      98             550 :     float4      b = PG_GETARG_FLOAT4(1);
      99                 :     float4      r;
     100                 : 
     101             550 :     r = a - b;
     102             550 :     if (unlikely(isinf(r)) && !isinf(a) && !isinf(b))
     103 UBC           0 :         float_overflow_error();
     104                 : 
     105 GNC         550 :     PG_RETURN_FLOAT4(fabsf(r));
     106                 : }
     107                 : 
     108                 : 
     109                 : /**************************************************
     110                 :  * float4 ops
     111                 :  **************************************************/
     112                 : 
     113                 : 
     114                 : Datum
     115 CBC         551 : gbt_float4_compress(PG_FUNCTION_ARGS)
     116                 : {
     117             551 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     118                 : 
     119             551 :     PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
     120                 : }
     121                 : 
     122                 : Datum
     123             265 : gbt_float4_fetch(PG_FUNCTION_ARGS)
     124                 : {
     125             265 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     126                 : 
     127             265 :     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
     128                 : }
     129                 : 
     130                 : Datum
     131            1899 : gbt_float4_consistent(PG_FUNCTION_ARGS)
     132                 : {
     133            1899 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     134            1899 :     float4      query = PG_GETARG_FLOAT4(1);
     135            1899 :     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     136                 : 
     137                 :     /* Oid      subtype = PG_GETARG_OID(3); */
     138            1899 :     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     139            1899 :     float4KEY  *kkk = (float4KEY *) DatumGetPointer(entry->key);
     140                 :     GBT_NUMKEY_R key;
     141                 : 
     142                 :     /* All cases served by this function are exact */
     143            1899 :     *recheck = false;
     144                 : 
     145            1899 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     146            1899 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     147                 : 
     148            1899 :     PG_RETURN_BOOL(gbt_num_consistent(&key, (void *) &query, &strategy,
     149                 :                                       GIST_LEAF(entry), &tinfo,
     150                 :                                       fcinfo->flinfo));
     151                 : }
     152                 : 
     153                 : 
     154                 : Datum
     155             267 : gbt_float4_distance(PG_FUNCTION_ARGS)
     156                 : {
     157             267 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     158             267 :     float4      query = PG_GETARG_FLOAT4(1);
     159                 : 
     160                 :     /* Oid      subtype = PG_GETARG_OID(3); */
     161             267 :     float4KEY  *kkk = (float4KEY *) DatumGetPointer(entry->key);
     162                 :     GBT_NUMKEY_R key;
     163                 : 
     164             267 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     165             267 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     166                 : 
     167             267 :     PG_RETURN_FLOAT8(gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry),
     168                 :                                       &tinfo, fcinfo->flinfo));
     169                 : }
     170                 : 
     171                 : 
     172                 : Datum
     173             213 : gbt_float4_union(PG_FUNCTION_ARGS)
     174                 : {
     175             213 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     176             213 :     void       *out = palloc(sizeof(float4KEY));
     177                 : 
     178             213 :     *(int *) PG_GETARG_POINTER(1) = sizeof(float4KEY);
     179             213 :     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
     180                 : }
     181                 : 
     182                 : 
     183                 : Datum
     184             352 : gbt_float4_penalty(PG_FUNCTION_ARGS)
     185                 : {
     186             352 :     float4KEY  *origentry = (float4KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     187             352 :     float4KEY  *newentry = (float4KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     188             352 :     float      *result = (float *) PG_GETARG_POINTER(2);
     189                 : 
     190             352 :     penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
     191                 : 
     192             352 :     PG_RETURN_POINTER(result);
     193                 : }
     194                 : 
     195                 : Datum
     196               1 : gbt_float4_picksplit(PG_FUNCTION_ARGS)
     197                 : {
     198               1 :     PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
     199                 :                                         (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
     200                 :                                         &tinfo, fcinfo->flinfo));
     201                 : }
     202                 : 
     203                 : Datum
     204             212 : gbt_float4_same(PG_FUNCTION_ARGS)
     205                 : {
     206             212 :     float4KEY  *b1 = (float4KEY *) PG_GETARG_POINTER(0);
     207             212 :     float4KEY  *b2 = (float4KEY *) PG_GETARG_POINTER(1);
     208             212 :     bool       *result = (bool *) PG_GETARG_POINTER(2);
     209                 : 
     210             212 :     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     211             212 :     PG_RETURN_POINTER(result);
     212                 : }
        

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