LCOV - code coverage report
Current view: top level - contrib/btree_gist - btree_int2.c (source / functions) Hit Total Coverage
Test: PostgreSQL 13devel Lines: 77 79 97.5 %
Date: 2019-09-19 02:07:14 Functions: 25 25 100.0 %
Legend: Lines: hit not hit

          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           4 : PG_FUNCTION_INFO_V1(gbt_int2_compress);
      20           4 : PG_FUNCTION_INFO_V1(gbt_int2_fetch);
      21           4 : PG_FUNCTION_INFO_V1(gbt_int2_union);
      22           4 : PG_FUNCTION_INFO_V1(gbt_int2_picksplit);
      23           4 : PG_FUNCTION_INFO_V1(gbt_int2_consistent);
      24           4 : PG_FUNCTION_INFO_V1(gbt_int2_distance);
      25           4 : PG_FUNCTION_INFO_V1(gbt_int2_penalty);
      26           4 : PG_FUNCTION_INFO_V1(gbt_int2_same);
      27             : 
      28             : static bool
      29        2912 : gbt_int2gt(const void *a, const void *b, FmgrInfo *flinfo)
      30             : {
      31        2912 :     return (*((const int16 *) a) > *((const int16 *) b));
      32             : }
      33             : static bool
      34        1180 : gbt_int2ge(const void *a, const void *b, FmgrInfo *flinfo)
      35             : {
      36        1180 :     return (*((const int16 *) a) >= *((const int16 *) b));
      37             : }
      38             : static bool
      39        1446 : gbt_int2eq(const void *a, const void *b, FmgrInfo *flinfo)
      40             : {
      41        1446 :     return (*((const int16 *) a) == *((const int16 *) b));
      42             : }
      43             : static bool
      44        1168 : gbt_int2le(const void *a, const void *b, FmgrInfo *flinfo)
      45             : {
      46        1168 :     return (*((const int16 *) a) <= *((const int16 *) b));
      47             : }
      48             : static bool
      49        2394 : gbt_int2lt(const void *a, const void *b, FmgrInfo *flinfo)
      50             : {
      51        2394 :     return (*((const int16 *) a) < *((const int16 *) b));
      52             : }
      53             : 
      54             : static int
      55        6300 : gbt_int2key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
      56             : {
      57        6300 :     int16KEY   *ia = (int16KEY *) (((const Nsrt *) a)->t);
      58        6300 :     int16KEY   *ib = (int16KEY *) (((const Nsrt *) b)->t);
      59             : 
      60        6300 :     if (ia->lower == ib->lower)
      61             :     {
      62          10 :         if (ia->upper == ib->upper)
      63          10 :             return 0;
      64             : 
      65           0 :         return (ia->upper > ib->upper) ? 1 : -1;
      66             :     }
      67             : 
      68        6290 :     return (ia->lower > ib->lower) ? 1 : -1;
      69             : }
      70             : 
      71             : static float8
      72         576 : gbt_int2_dist(const void *a, const void *b, FmgrInfo *flinfo)
      73             : {
      74         576 :     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           4 : PG_FUNCTION_INFO_V1(int2_dist);
      94             : Datum
      95        1098 : int2_dist(PG_FUNCTION_ARGS)
      96             : {
      97        1098 :     int16       a = PG_GETARG_INT16(0);
      98        1098 :     int16       b = PG_GETARG_INT16(1);
      99             :     int16       r;
     100             :     int16       ra;
     101             : 
     102        2196 :     if (pg_sub_s16_overflow(a, b, &r) ||
     103        1098 :         r == PG_INT16_MIN)
     104           0 :         ereport(ERROR,
     105             :                 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
     106             :                  errmsg("smallint out of range")));
     107             : 
     108        1098 :     ra = Abs(r);
     109             : 
     110        1098 :     PG_RETURN_INT16(ra);
     111             : }
     112             : 
     113             : 
     114             : /**************************************************
     115             :  * int16 ops
     116             :  **************************************************/
     117             : 
     118             : 
     119             : Datum
     120        1104 : gbt_int2_compress(PG_FUNCTION_ARGS)
     121             : {
     122        1104 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     123             : 
     124        1104 :     PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
     125             : }
     126             : 
     127             : Datum
     128         574 : gbt_int2_fetch(PG_FUNCTION_ARGS)
     129             : {
     130         574 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     131             : 
     132         574 :     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
     133             : }
     134             : 
     135             : Datum
     136        3926 : gbt_int2_consistent(PG_FUNCTION_ARGS)
     137             : {
     138        3926 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     139        3926 :     int16       query = PG_GETARG_INT16(1);
     140        3926 :     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     141             : 
     142             :     /* Oid      subtype = PG_GETARG_OID(3); */
     143        3926 :     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     144        3926 :     int16KEY   *kkk = (int16KEY *) DatumGetPointer(entry->key);
     145             :     GBT_NUMKEY_R key;
     146             : 
     147             :     /* All cases served by this function are exact */
     148        3926 :     *recheck = false;
     149             : 
     150        3926 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     151        3926 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     152             : 
     153        3926 :     PG_RETURN_BOOL(
     154             :                    gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
     155             :         );
     156             : }
     157             : 
     158             : 
     159             : Datum
     160         578 : gbt_int2_distance(PG_FUNCTION_ARGS)
     161             : {
     162         578 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     163         578 :     int16       query = PG_GETARG_INT16(1);
     164             : 
     165             :     /* Oid      subtype = PG_GETARG_OID(3); */
     166         578 :     int16KEY   *kkk = (int16KEY *) DatumGetPointer(entry->key);
     167             :     GBT_NUMKEY_R key;
     168             : 
     169         578 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     170         578 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     171             : 
     172         578 :     PG_RETURN_FLOAT8(
     173             :                      gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
     174             :         );
     175             : }
     176             : 
     177             : 
     178             : Datum
     179         438 : gbt_int2_union(PG_FUNCTION_ARGS)
     180             : {
     181         438 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     182         438 :     void       *out = palloc(sizeof(int16KEY));
     183             : 
     184         438 :     *(int *) PG_GETARG_POINTER(1) = sizeof(int16KEY);
     185         438 :     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
     186             : }
     187             : 
     188             : 
     189             : Datum
     190         718 : gbt_int2_penalty(PG_FUNCTION_ARGS)
     191             : {
     192         718 :     int16KEY   *origentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     193         718 :     int16KEY   *newentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     194         718 :     float      *result = (float *) PG_GETARG_POINTER(2);
     195             : 
     196         718 :     penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
     197             : 
     198         718 :     PG_RETURN_POINTER(result);
     199             : }
     200             : 
     201             : Datum
     202           2 : gbt_int2_picksplit(PG_FUNCTION_ARGS)
     203             : {
     204           2 :     PG_RETURN_POINTER(gbt_num_picksplit(
     205             :                                         (GistEntryVector *) PG_GETARG_POINTER(0),
     206             :                                         (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
     207             :                                         &tinfo, fcinfo->flinfo
     208             :                                         ));
     209             : }
     210             : 
     211             : Datum
     212         436 : gbt_int2_same(PG_FUNCTION_ARGS)
     213             : {
     214         436 :     int16KEY   *b1 = (int16KEY *) PG_GETARG_POINTER(0);
     215         436 :     int16KEY   *b2 = (int16KEY *) PG_GETARG_POINTER(1);
     216         436 :     bool       *result = (bool *) PG_GETARG_POINTER(2);
     217             : 
     218         436 :     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     219         436 :     PG_RETURN_POINTER(result);
     220             : }

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