LCOV - code coverage report
Current view: top level - contrib/btree_gist - btree_bytea.c (source / functions) Hit Total Coverage
Test: PostgreSQL 18devel Lines: 56 67 83.6 %
Date: 2025-04-24 12:15:10 Functions: 19 21 90.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * contrib/btree_gist/btree_bytea.c
       3             :  */
       4             : #include "postgres.h"
       5             : 
       6             : #include "btree_gist.h"
       7             : #include "btree_utils_var.h"
       8             : #include "utils/fmgrprotos.h"
       9             : #include "utils/sortsupport.h"
      10             : 
      11             : /* GiST support functions */
      12           4 : PG_FUNCTION_INFO_V1(gbt_bytea_compress);
      13           4 : PG_FUNCTION_INFO_V1(gbt_bytea_union);
      14           4 : PG_FUNCTION_INFO_V1(gbt_bytea_picksplit);
      15           4 : PG_FUNCTION_INFO_V1(gbt_bytea_consistent);
      16           4 : PG_FUNCTION_INFO_V1(gbt_bytea_penalty);
      17           4 : PG_FUNCTION_INFO_V1(gbt_bytea_same);
      18           4 : PG_FUNCTION_INFO_V1(gbt_bytea_sortsupport);
      19             : 
      20             : 
      21             : /* define for comparison */
      22             : 
      23             : static bool
      24        1234 : gbt_byteagt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
      25             : {
      26        1234 :     return DatumGetBool(DirectFunctionCall2(byteagt,
      27             :                                             PointerGetDatum(a),
      28             :                                             PointerGetDatum(b)));
      29             : }
      30             : 
      31             : static bool
      32        1234 : gbt_byteage(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
      33             : {
      34        1234 :     return DatumGetBool(DirectFunctionCall2(byteage,
      35             :                                             PointerGetDatum(a),
      36             :                                             PointerGetDatum(b)));
      37             : }
      38             : 
      39             : static bool
      40        2468 : gbt_byteaeq(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
      41             : {
      42        2468 :     return DatumGetBool(DirectFunctionCall2(byteaeq,
      43             :                                             PointerGetDatum(a),
      44             :                                             PointerGetDatum(b)));
      45             : }
      46             : 
      47             : static bool
      48        1978 : gbt_byteale(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
      49             : {
      50        1978 :     return DatumGetBool(DirectFunctionCall2(byteale,
      51             :                                             PointerGetDatum(a),
      52             :                                             PointerGetDatum(b)));
      53             : }
      54             : 
      55             : static bool
      56        3214 : gbt_bytealt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
      57             : {
      58        3214 :     return DatumGetBool(DirectFunctionCall2(bytealt,
      59             :                                             PointerGetDatum(a),
      60             :                                             PointerGetDatum(b)));
      61             : }
      62             : 
      63             : static int32
      64       20872 : gbt_byteacmp(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
      65             : {
      66       20872 :     return DatumGetInt32(DirectFunctionCall2(byteacmp,
      67             :                                              PointerGetDatum(a),
      68             :                                              PointerGetDatum(b)));
      69             : }
      70             : 
      71             : static const gbtree_vinfo tinfo =
      72             : {
      73             :     gbt_t_bytea,
      74             :     0,
      75             :     true,
      76             :     gbt_byteagt,
      77             :     gbt_byteage,
      78             :     gbt_byteaeq,
      79             :     gbt_byteale,
      80             :     gbt_bytealt,
      81             :     gbt_byteacmp,
      82             :     NULL
      83             : };
      84             : 
      85             : 
      86             : /**************************************************
      87             :  * GiST support functions
      88             :  **************************************************/
      89             : 
      90             : Datum
      91        1990 : gbt_bytea_compress(PG_FUNCTION_ARGS)
      92             : {
      93        1990 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
      94             : 
      95        1990 :     PG_RETURN_POINTER(gbt_var_compress(entry, &tinfo));
      96             : }
      97             : 
      98             : Datum
      99       10212 : gbt_bytea_consistent(PG_FUNCTION_ARGS)
     100             : {
     101       10212 :     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     102       10212 :     void       *query = DatumGetByteaP(PG_GETARG_DATUM(1));
     103       10212 :     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
     104             : 
     105             :     /* Oid      subtype = PG_GETARG_OID(3); */
     106       10212 :     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     107             :     bool        retval;
     108       10212 :     GBT_VARKEY *key = (GBT_VARKEY *) DatumGetPointer(entry->key);
     109       10212 :     GBT_VARKEY_R r = gbt_var_key_readable(key);
     110             : 
     111             :     /* All cases served by this function are exact */
     112       10212 :     *recheck = false;
     113             : 
     114       20424 :     retval = gbt_var_consistent(&r, query, strategy, PG_GET_COLLATION(),
     115       10212 :                                 GIST_LEAF(entry), &tinfo, fcinfo->flinfo);
     116       10212 :     PG_RETURN_BOOL(retval);
     117             : }
     118             : 
     119             : Datum
     120           2 : gbt_bytea_union(PG_FUNCTION_ARGS)
     121             : {
     122           2 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     123           2 :     int32      *size = (int *) PG_GETARG_POINTER(1);
     124             : 
     125           2 :     PG_RETURN_POINTER(gbt_var_union(entryvec, size, PG_GET_COLLATION(),
     126             :                                     &tinfo, fcinfo->flinfo));
     127             : }
     128             : 
     129             : Datum
     130          10 : gbt_bytea_picksplit(PG_FUNCTION_ARGS)
     131             : {
     132          10 :     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     133          10 :     GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
     134             : 
     135          10 :     gbt_var_picksplit(entryvec, v, PG_GET_COLLATION(),
     136             :                       &tinfo, fcinfo->flinfo);
     137          10 :     PG_RETURN_POINTER(v);
     138             : }
     139             : 
     140             : Datum
     141           0 : gbt_bytea_same(PG_FUNCTION_ARGS)
     142             : {
     143           0 :     Datum       d1 = PG_GETARG_DATUM(0);
     144           0 :     Datum       d2 = PG_GETARG_DATUM(1);
     145           0 :     bool       *result = (bool *) PG_GETARG_POINTER(2);
     146             : 
     147           0 :     *result = gbt_var_same(d1, d2, PG_GET_COLLATION(), &tinfo, fcinfo->flinfo);
     148           0 :     PG_RETURN_POINTER(result);
     149             : }
     150             : 
     151             : Datum
     152           0 : gbt_bytea_penalty(PG_FUNCTION_ARGS)
     153             : {
     154           0 :     GISTENTRY  *o = (GISTENTRY *) PG_GETARG_POINTER(0);
     155           0 :     GISTENTRY  *n = (GISTENTRY *) PG_GETARG_POINTER(1);
     156           0 :     float      *result = (float *) PG_GETARG_POINTER(2);
     157             : 
     158           0 :     PG_RETURN_POINTER(gbt_var_penalty(result, o, n, PG_GET_COLLATION(),
     159             :                                       &tinfo, fcinfo->flinfo));
     160             : }
     161             : 
     162             : static int
     163       21546 : gbt_bytea_ssup_cmp(Datum x, Datum y, SortSupport ssup)
     164             : {
     165       21546 :     GBT_VARKEY *key1 = PG_DETOAST_DATUM(x);
     166       21546 :     GBT_VARKEY *key2 = PG_DETOAST_DATUM(y);
     167             : 
     168       21546 :     GBT_VARKEY_R xkey = gbt_var_key_readable(key1);
     169       21546 :     GBT_VARKEY_R ykey = gbt_var_key_readable(key2);
     170             :     Datum       result;
     171             : 
     172             :     /* for leaf items we expect lower == upper, so only compare lower */
     173       21546 :     result = DirectFunctionCall2(byteacmp,
     174             :                                  PointerGetDatum(xkey.lower),
     175             :                                  PointerGetDatum(ykey.lower));
     176             : 
     177       21546 :     GBT_FREE_IF_COPY(key1, x);
     178       21546 :     GBT_FREE_IF_COPY(key2, y);
     179             : 
     180       21546 :     return DatumGetInt32(result);
     181             : }
     182             : 
     183             : Datum
     184           2 : gbt_bytea_sortsupport(PG_FUNCTION_ARGS)
     185             : {
     186           2 :     SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0);
     187             : 
     188           2 :     ssup->comparator = gbt_bytea_ssup_cmp;
     189           2 :     ssup->ssup_extra = NULL;
     190             : 
     191           2 :     PG_RETURN_VOID();
     192             : }

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