LCOV - code coverage report
Current view: top level - contrib/btree_gist - btree_cash.c (source / functions) Hit Total Coverage
Test: PostgreSQL 13devel Lines: 75 79 94.9 %
Date: 2019-09-22 08:06:49 Functions: 25 25 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * contrib/btree_gist/btree_cash.c
       3             :  */
       4             : #include "postgres.h"
       5             : 
       6             : #include "btree_gist.h"
       7             : #include "btree_utils_num.h"
       8             : #include "common/int.h"
       9             : #include "utils/cash.h"
      10             : 
      11             : typedef struct
      12             : {
      13             :     Cash        lower;
      14             :     Cash        upper;
      15             : } cashKEY;
      16             : 
      17             : /*
      18             : ** Cash ops
      19             : */
      20           4 : PG_FUNCTION_INFO_V1(gbt_cash_compress);
      21           4 : PG_FUNCTION_INFO_V1(gbt_cash_fetch);
      22           4 : PG_FUNCTION_INFO_V1(gbt_cash_union);
      23           4 : PG_FUNCTION_INFO_V1(gbt_cash_picksplit);
      24           4 : PG_FUNCTION_INFO_V1(gbt_cash_consistent);
      25           4 : PG_FUNCTION_INFO_V1(gbt_cash_distance);
      26           4 : PG_FUNCTION_INFO_V1(gbt_cash_penalty);
      27           4 : PG_FUNCTION_INFO_V1(gbt_cash_same);
      28             : 
      29             : static bool
      30        3454 : gbt_cashgt(const void *a, const void *b, FmgrInfo *flinfo)
      31             : {
      32        3454 :     return (*((const Cash *) a) > *((const Cash *) b));
      33             : }
      34             : static bool
      35         882 : gbt_cashge(const void *a, const void *b, FmgrInfo *flinfo)
      36             : {
      37         882 :     return (*((const Cash *) a) >= *((const Cash *) b));
      38             : }
      39             : static bool
      40        1480 : gbt_casheq(const void *a, const void *b, FmgrInfo *flinfo)
      41             : {
      42        1480 :     return (*((const Cash *) a) == *((const Cash *) b));
      43             : }
      44             : static bool
      45         886 : gbt_cashle(const void *a, const void *b, FmgrInfo *flinfo)
      46             : {
      47         886 :     return (*((const Cash *) a) <= *((const Cash *) b));
      48             : }
      49             : static bool
      50        3206 : gbt_cashlt(const void *a, const void *b, FmgrInfo *flinfo)
      51             : {
      52        3206 :     return (*((const Cash *) a) < *((const Cash *) b));
      53             : }
      54             : 
      55             : static int
      56       13810 : gbt_cashkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
      57             : {
      58       13810 :     cashKEY    *ia = (cashKEY *) (((const Nsrt *) a)->t);
      59       13810 :     cashKEY    *ib = (cashKEY *) (((const Nsrt *) b)->t);
      60             : 
      61       13810 :     if (ia->lower == ib->lower)
      62             :     {
      63           0 :         if (ia->upper == ib->upper)
      64           0 :             return 0;
      65             : 
      66           0 :         return (ia->upper > ib->upper) ? 1 : -1;
      67             :     }
      68             : 
      69       13810 :     return (ia->lower > ib->lower) ? 1 : -1;
      70             : }
      71             : 
      72             : static float8
      73         292 : gbt_cash_dist(const void *a, const void *b, FmgrInfo *flinfo)
      74             : {
      75         292 :     return GET_FLOAT_DISTANCE(Cash, a, b);
      76             : }
      77             : 
      78             : 
      79             : static const gbtree_ninfo tinfo =
      80             : {
      81             :     gbt_t_cash,
      82             :     sizeof(Cash),
      83             :     16,                         /* sizeof(gbtreekey16) */
      84             :     gbt_cashgt,
      85             :     gbt_cashge,
      86             :     gbt_casheq,
      87             :     gbt_cashle,
      88             :     gbt_cashlt,
      89             :     gbt_cashkey_cmp,
      90             :     gbt_cash_dist
      91             : };
      92             : 
      93             : 
      94           4 : PG_FUNCTION_INFO_V1(cash_dist);
      95             : Datum
      96        1092 : cash_dist(PG_FUNCTION_ARGS)
      97             : {
      98        1092 :     Cash        a = PG_GETARG_CASH(0);
      99        1092 :     Cash        b = PG_GETARG_CASH(1);
     100             :     Cash        r;
     101             :     Cash        ra;
     102             : 
     103        2184 :     if (pg_sub_s64_overflow(a, b, &r) ||
     104        1092 :         r == PG_INT64_MIN)
     105           0 :         ereport(ERROR,
     106             :                 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
     107             :                  errmsg("money out of range")));
     108             : 
     109        1092 :     ra = Abs(r);
     110             : 
     111        1092 :     PG_RETURN_CASH(ra);
     112             : }
     113             : 
     114             : /**************************************************
     115             :  * Cash ops
     116             :  **************************************************/
     117             : 
     118             : 
     119             : Datum
     120        1104 : gbt_cash_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         286 : gbt_cash_fetch(PG_FUNCTION_ARGS)
     129             : {
     130         286 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     131             : 
     132         286 :     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
     133             : }
     134             : 
     135             : Datum
     136        3070 : gbt_cash_consistent(PG_FUNCTION_ARGS)
     137             : {
     138        3070 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     139        3070 :     Cash        query = PG_GETARG_CASH(1);
     140        3070 :     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     141             : 
     142             :     /* Oid      subtype = PG_GETARG_OID(3); */
     143        3070 :     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     144        3070 :     cashKEY    *kkk = (cashKEY *) DatumGetPointer(entry->key);
     145             :     GBT_NUMKEY_R key;
     146             : 
     147             :     /* All cases served by this function are exact */
     148        3070 :     *recheck = false;
     149             : 
     150        3070 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     151        3070 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     152             : 
     153        3070 :     PG_RETURN_BOOL(
     154             :                    gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
     155             :         );
     156             : }
     157             : 
     158             : 
     159             : Datum
     160         294 : gbt_cash_distance(PG_FUNCTION_ARGS)
     161             : {
     162         294 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     163         294 :     Cash        query = PG_GETARG_CASH(1);
     164             : 
     165             :     /* Oid      subtype = PG_GETARG_OID(3); */
     166         294 :     cashKEY    *kkk = (cashKEY *) DatumGetPointer(entry->key);
     167             :     GBT_NUMKEY_R key;
     168             : 
     169         294 :     key.lower = (GBT_NUMKEY *) &kkk->lower;
     170         294 :     key.upper = (GBT_NUMKEY *) &kkk->upper;
     171             : 
     172         294 :     PG_RETURN_FLOAT8(
     173             :                      gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
     174             :         );
     175             : }
     176             : 
     177             : 
     178             : Datum
     179         600 : gbt_cash_union(PG_FUNCTION_ARGS)
     180             : {
     181         600 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     182         600 :     void       *out = palloc(sizeof(cashKEY));
     183             : 
     184         600 :     *(int *) PG_GETARG_POINTER(1) = sizeof(cashKEY);
     185         600 :     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
     186             : }
     187             : 
     188             : 
     189             : Datum
     190        1078 : gbt_cash_penalty(PG_FUNCTION_ARGS)
     191             : {
     192        1078 :     cashKEY    *origentry = (cashKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     193        1078 :     cashKEY    *newentry = (cashKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     194        1078 :     float      *result = (float *) PG_GETARG_POINTER(2);
     195             : 
     196        1078 :     penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
     197             : 
     198        1078 :     PG_RETURN_POINTER(result);
     199             : 
     200             : }
     201             : 
     202             : Datum
     203           6 : gbt_cash_picksplit(PG_FUNCTION_ARGS)
     204             : {
     205           6 :     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         598 : gbt_cash_same(PG_FUNCTION_ARGS)
     214             : {
     215         598 :     cashKEY    *b1 = (cashKEY *) PG_GETARG_POINTER(0);
     216         598 :     cashKEY    *b2 = (cashKEY *) PG_GETARG_POINTER(1);
     217         598 :     bool       *result = (bool *) PG_GETARG_POINTER(2);
     218             : 
     219         598 :     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     220         598 :     PG_RETURN_POINTER(result);
     221             : }

Generated by: LCOV version 1.13