LCOV - differential code coverage report
Current view: top level - contrib/btree_gist - btree_int2.c (source / functions) Coverage Total Hit UBC GNC CBC DCB
Current: Differential Code Coverage HEAD vs 15 Lines: 97.5 % 79 77 2 1 76 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_int2.c
       3                 :  */
       4                 : #include "postgres.h"
       5                 : 
       6                 : #include "btree_gist.h"
       7                 : #include "btree_utils_num.h"
       8                 : #include "common/int.h"
       9                 : 
      10                 : typedef struct int16key
      11                 : {
      12                 :     int16       lower;
      13                 :     int16       upper;
      14                 : } int16KEY;
      15                 : 
      16                 : /*
      17                 : ** int16 ops
      18                 : */
      19 CBC           2 : PG_FUNCTION_INFO_V1(gbt_int2_compress);
      20               2 : PG_FUNCTION_INFO_V1(gbt_int2_fetch);
      21               2 : PG_FUNCTION_INFO_V1(gbt_int2_union);
      22               2 : PG_FUNCTION_INFO_V1(gbt_int2_picksplit);
      23               2 : PG_FUNCTION_INFO_V1(gbt_int2_consistent);
      24               2 : PG_FUNCTION_INFO_V1(gbt_int2_distance);
      25               2 : PG_FUNCTION_INFO_V1(gbt_int2_penalty);
      26               2 : PG_FUNCTION_INFO_V1(gbt_int2_same);
      27                 : 
      28                 : static bool
      29            1456 : gbt_int2gt(const void *a, const void *b, FmgrInfo *flinfo)
      30                 : {
      31            1456 :     return (*((const int16 *) a) > *((const int16 *) b));
      32                 : }
      33                 : static bool
      34             590 : gbt_int2ge(const void *a, const void *b, FmgrInfo *flinfo)
      35                 : {
      36             590 :     return (*((const int16 *) a) >= *((const int16 *) b));
      37                 : }
      38                 : static bool
      39             723 : gbt_int2eq(const void *a, const void *b, FmgrInfo *flinfo)
      40                 : {
      41             723 :     return (*((const int16 *) a) == *((const int16 *) b));
      42                 : }
      43                 : static bool
      44             584 : gbt_int2le(const void *a, const void *b, FmgrInfo *flinfo)
      45                 : {
      46             584 :     return (*((const int16 *) a) <= *((const int16 *) b));
      47                 : }
      48                 : static bool
      49            1197 : gbt_int2lt(const void *a, const void *b, FmgrInfo *flinfo)
      50                 : {
      51            1197 :     return (*((const int16 *) a) < *((const int16 *) b));
      52                 : }
      53                 : 
      54                 : static int
      55            3150 : gbt_int2key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
      56                 : {
      57            3150 :     int16KEY   *ia = (int16KEY *) (((const Nsrt *) a)->t);
      58            3150 :     int16KEY   *ib = (int16KEY *) (((const Nsrt *) b)->t);
      59                 : 
      60            3150 :     if (ia->lower == ib->lower)
      61                 :     {
      62               5 :         if (ia->upper == ib->upper)
      63               5 :             return 0;
      64                 : 
      65 UBC           0 :         return (ia->upper > ib->upper) ? 1 : -1;
      66                 :     }
      67                 : 
      68 CBC        3145 :     return (ia->lower > ib->lower) ? 1 : -1;
      69                 : }
      70                 : 
      71                 : static float8
      72             288 : gbt_int2_dist(const void *a, const void *b, FmgrInfo *flinfo)
      73                 : {
      74             288 :     return GET_FLOAT_DISTANCE(int16, a, b);
      75                 : }
      76                 : 
      77                 : 
      78                 : static const gbtree_ninfo tinfo =
      79                 : {
      80                 :     gbt_t_int2,
      81                 :     sizeof(int16),
      82                 :     4,                          /* sizeof(gbtreekey4) */
      83                 :     gbt_int2gt,
      84                 :     gbt_int2ge,
      85                 :     gbt_int2eq,
      86                 :     gbt_int2le,
      87                 :     gbt_int2lt,
      88                 :     gbt_int2key_cmp,
      89                 :     gbt_int2_dist
      90                 : };
      91                 : 
      92                 : 
      93               2 : PG_FUNCTION_INFO_V1(int2_dist);
      94                 : Datum
      95             549 : int2_dist(PG_FUNCTION_ARGS)
      96                 : {
      97             549 :     int16       a = PG_GETARG_INT16(0);
      98             549 :     int16       b = PG_GETARG_INT16(1);
      99                 :     int16       r;
     100                 :     int16       ra;
     101                 : 
     102             549 :     if (pg_sub_s16_overflow(a, b, &r) ||
     103             549 :         r == PG_INT16_MIN)
     104 UBC           0 :         ereport(ERROR,
     105                 :                 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
     106                 :                  errmsg("smallint out of range")));
     107                 : 
     108 GNC         549 :     ra = abs(r);
     109                 : 
     110 CBC         549 :     PG_RETURN_INT16(ra);
     111                 : }
     112                 : 
     113                 : 
     114                 : /**************************************************
     115                 :  * int16 ops
     116                 :  **************************************************/
     117                 : 
     118                 : 
     119                 : Datum
     120             552 : gbt_int2_compress(PG_FUNCTION_ARGS)
     121                 : {
     122             552 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     123                 : 
     124             552 :     PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
     125                 : }
     126                 : 
     127                 : Datum
     128             287 : gbt_int2_fetch(PG_FUNCTION_ARGS)
     129                 : {
     130             287 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     131                 : 
     132             287 :     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
     133                 : }
     134                 : 
     135                 : Datum
     136            1963 : gbt_int2_consistent(PG_FUNCTION_ARGS)
     137                 : {
     138            1963 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     139            1963 :     int16       query = PG_GETARG_INT16(1);
     140            1963 :     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     141                 : 
     142                 :     /* Oid      subtype = PG_GETARG_OID(3); */
     143            1963 :     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     144            1963 :     int16KEY   *kkk = (int16KEY *) DatumGetPointer(entry->key);
     145                 :     GBT_NUMKEY_R key;
     146                 : 
     147                 :     /* All cases served by this function are exact */
     148            1963 :     *recheck = false;
     149                 : 
     150            1963 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     151            1963 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     152                 : 
     153            1963 :     PG_RETURN_BOOL(gbt_num_consistent(&key, (void *) &query, &strategy,
     154                 :                                       GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
     155                 : }
     156                 : 
     157                 : 
     158                 : Datum
     159             289 : gbt_int2_distance(PG_FUNCTION_ARGS)
     160                 : {
     161             289 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     162             289 :     int16       query = PG_GETARG_INT16(1);
     163                 : 
     164                 :     /* Oid      subtype = PG_GETARG_OID(3); */
     165             289 :     int16KEY   *kkk = (int16KEY *) DatumGetPointer(entry->key);
     166                 :     GBT_NUMKEY_R key;
     167                 : 
     168             289 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     169             289 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     170                 : 
     171             289 :     PG_RETURN_FLOAT8(gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry),
     172                 :                                       &tinfo, fcinfo->flinfo));
     173                 : }
     174                 : 
     175                 : 
     176                 : Datum
     177             219 : gbt_int2_union(PG_FUNCTION_ARGS)
     178                 : {
     179             219 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     180             219 :     void       *out = palloc(sizeof(int16KEY));
     181                 : 
     182             219 :     *(int *) PG_GETARG_POINTER(1) = sizeof(int16KEY);
     183             219 :     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
     184                 : }
     185                 : 
     186                 : 
     187                 : Datum
     188             362 : gbt_int2_penalty(PG_FUNCTION_ARGS)
     189                 : {
     190             362 :     int16KEY   *origentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     191             362 :     int16KEY   *newentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     192             362 :     float      *result = (float *) PG_GETARG_POINTER(2);
     193                 : 
     194             362 :     penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
     195                 : 
     196             362 :     PG_RETURN_POINTER(result);
     197                 : }
     198                 : 
     199                 : Datum
     200               1 : gbt_int2_picksplit(PG_FUNCTION_ARGS)
     201                 : {
     202               1 :     PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
     203                 :                                         (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
     204                 :                                         &tinfo, fcinfo->flinfo));
     205                 : }
     206                 : 
     207                 : Datum
     208             218 : gbt_int2_same(PG_FUNCTION_ARGS)
     209                 : {
     210             218 :     int16KEY   *b1 = (int16KEY *) PG_GETARG_POINTER(0);
     211             218 :     int16KEY   *b2 = (int16KEY *) PG_GETARG_POINTER(1);
     212             218 :     bool       *result = (bool *) PG_GETARG_POINTER(2);
     213                 : 
     214             218 :     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     215             218 :     PG_RETURN_POINTER(result);
     216                 : }
        

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