LCOV - code coverage report
Current view: top level - contrib/btree_gist - btree_int4.c (source / functions) Hit Total Coverage
Test: PostgreSQL 13devel Lines: 77 79 97.5 %
Date: 2019-09-19 17:07:13 Functions: 25 25 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * contrib/btree_gist/btree_int4.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 int32key
      11             : {
      12             :     int32       lower;
      13             :     int32       upper;
      14             : } int32KEY;
      15             : 
      16             : /*
      17             : ** int32 ops
      18             : */
      19           6 : PG_FUNCTION_INFO_V1(gbt_int4_compress);
      20           6 : PG_FUNCTION_INFO_V1(gbt_int4_fetch);
      21           6 : PG_FUNCTION_INFO_V1(gbt_int4_union);
      22           6 : PG_FUNCTION_INFO_V1(gbt_int4_picksplit);
      23           6 : PG_FUNCTION_INFO_V1(gbt_int4_consistent);
      24           6 : PG_FUNCTION_INFO_V1(gbt_int4_distance);
      25           6 : PG_FUNCTION_INFO_V1(gbt_int4_penalty);
      26           6 : PG_FUNCTION_INFO_V1(gbt_int4_same);
      27             : 
      28             : 
      29             : static bool
      30        2912 : gbt_int4gt(const void *a, const void *b, FmgrInfo *flinfo)
      31             : {
      32        2912 :     return (*((const int32 *) a) > *((const int32 *) b));
      33             : }
      34             : static bool
      35        1180 : gbt_int4ge(const void *a, const void *b, FmgrInfo *flinfo)
      36             : {
      37        1180 :     return (*((const int32 *) a) >= *((const int32 *) b));
      38             : }
      39             : static bool
      40        1466 : gbt_int4eq(const void *a, const void *b, FmgrInfo *flinfo)
      41             : {
      42        1466 :     return (*((const int32 *) a) == *((const int32 *) b));
      43             : }
      44             : static bool
      45        1168 : gbt_int4le(const void *a, const void *b, FmgrInfo *flinfo)
      46             : {
      47        1168 :     return (*((const int32 *) a) <= *((const int32 *) b));
      48             : }
      49             : static bool
      50        2394 : gbt_int4lt(const void *a, const void *b, FmgrInfo *flinfo)
      51             : {
      52        2394 :     return (*((const int32 *) a) < *((const int32 *) b));
      53             : }
      54             : 
      55             : static int
      56        6300 : gbt_int4key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
      57             : {
      58        6300 :     int32KEY   *ia = (int32KEY *) (((const Nsrt *) a)->t);
      59        6300 :     int32KEY   *ib = (int32KEY *) (((const Nsrt *) b)->t);
      60             : 
      61        6300 :     if (ia->lower == ib->lower)
      62             :     {
      63          10 :         if (ia->upper == ib->upper)
      64          10 :             return 0;
      65             : 
      66           0 :         return (ia->upper > ib->upper) ? 1 : -1;
      67             :     }
      68             : 
      69        6290 :     return (ia->lower > ib->lower) ? 1 : -1;
      70             : }
      71             : 
      72             : static float8
      73         576 : gbt_int4_dist(const void *a, const void *b, FmgrInfo *flinfo)
      74             : {
      75         576 :     return GET_FLOAT_DISTANCE(int32, a, b);
      76             : }
      77             : 
      78             : 
      79             : static const gbtree_ninfo tinfo =
      80             : {
      81             :     gbt_t_int4,
      82             :     sizeof(int32),
      83             :     8,                          /* sizeof(gbtreekey8) */
      84             :     gbt_int4gt,
      85             :     gbt_int4ge,
      86             :     gbt_int4eq,
      87             :     gbt_int4le,
      88             :     gbt_int4lt,
      89             :     gbt_int4key_cmp,
      90             :     gbt_int4_dist
      91             : };
      92             : 
      93             : 
      94           4 : PG_FUNCTION_INFO_V1(int4_dist);
      95             : Datum
      96        1098 : int4_dist(PG_FUNCTION_ARGS)
      97             : {
      98        1098 :     int32       a = PG_GETARG_INT32(0);
      99        1098 :     int32       b = PG_GETARG_INT32(1);
     100             :     int32       r;
     101             :     int32       ra;
     102             : 
     103        2196 :     if (pg_sub_s32_overflow(a, b, &r) ||
     104        1098 :         r == PG_INT32_MIN)
     105           0 :         ereport(ERROR,
     106             :                 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
     107             :                  errmsg("integer out of range")));
     108             : 
     109        1098 :     ra = Abs(r);
     110             : 
     111        1098 :     PG_RETURN_INT32(ra);
     112             : }
     113             : 
     114             : 
     115             : /**************************************************
     116             :  * int32 ops
     117             :  **************************************************/
     118             : 
     119             : 
     120             : Datum
     121        1112 : gbt_int4_compress(PG_FUNCTION_ARGS)
     122             : {
     123        1112 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     124             : 
     125        1112 :     PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
     126             : }
     127             : 
     128             : Datum
     129         574 : gbt_int4_fetch(PG_FUNCTION_ARGS)
     130             : {
     131         574 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     132             : 
     133         574 :     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
     134             : }
     135             : 
     136             : Datum
     137        3946 : gbt_int4_consistent(PG_FUNCTION_ARGS)
     138             : {
     139        3946 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     140        3946 :     int32       query = PG_GETARG_INT32(1);
     141        3946 :     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     142             : 
     143             :     /* Oid      subtype = PG_GETARG_OID(3); */
     144        3946 :     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     145        3946 :     int32KEY   *kkk = (int32KEY *) DatumGetPointer(entry->key);
     146             :     GBT_NUMKEY_R key;
     147             : 
     148             :     /* All cases served by this function are exact */
     149        3946 :     *recheck = false;
     150             : 
     151        3946 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     152        3946 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     153             : 
     154        3946 :     PG_RETURN_BOOL(
     155             :                    gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
     156             :         );
     157             : }
     158             : 
     159             : 
     160             : Datum
     161         578 : gbt_int4_distance(PG_FUNCTION_ARGS)
     162             : {
     163         578 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     164         578 :     int32       query = PG_GETARG_INT32(1);
     165             : 
     166             :     /* Oid      subtype = PG_GETARG_OID(3); */
     167         578 :     int32KEY   *kkk = (int32KEY *) DatumGetPointer(entry->key);
     168             :     GBT_NUMKEY_R key;
     169             : 
     170         578 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     171         578 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     172             : 
     173         578 :     PG_RETURN_FLOAT8(
     174             :                      gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
     175             :         );
     176             : }
     177             : 
     178             : 
     179             : Datum
     180         438 : gbt_int4_union(PG_FUNCTION_ARGS)
     181             : {
     182         438 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     183         438 :     void       *out = palloc(sizeof(int32KEY));
     184             : 
     185         438 :     *(int *) PG_GETARG_POINTER(1) = sizeof(int32KEY);
     186         438 :     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
     187             : }
     188             : 
     189             : 
     190             : Datum
     191         712 : gbt_int4_penalty(PG_FUNCTION_ARGS)
     192             : {
     193         712 :     int32KEY   *origentry = (int32KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     194         712 :     int32KEY   *newentry = (int32KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     195         712 :     float      *result = (float *) PG_GETARG_POINTER(2);
     196             : 
     197         712 :     penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
     198             : 
     199         712 :     PG_RETURN_POINTER(result);
     200             : }
     201             : 
     202             : Datum
     203           2 : gbt_int4_picksplit(PG_FUNCTION_ARGS)
     204             : {
     205           2 :     PG_RETURN_POINTER(gbt_num_picksplit(
     206             :                                         (GistEntryVector *) PG_GETARG_POINTER(0),
     207             :                                         (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
     208             :                                         &tinfo, fcinfo->flinfo
     209             :                                         ));
     210             : }
     211             : 
     212             : Datum
     213         436 : gbt_int4_same(PG_FUNCTION_ARGS)
     214             : {
     215         436 :     int32KEY   *b1 = (int32KEY *) PG_GETARG_POINTER(0);
     216         436 :     int32KEY   *b2 = (int32KEY *) PG_GETARG_POINTER(1);
     217         436 :     bool       *result = (bool *) PG_GETARG_POINTER(2);
     218             : 
     219         436 :     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     220         436 :     PG_RETURN_POINTER(result);
     221             : }

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