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7f798aca1d
Many of them just seem to have been copied around for no real reason. Their presence causes (small) risks of hiding actual type mismatches or silently discarding qualifiers Discussion: https://www.postgresql.org/message-id/flat/461ea37c-8b58-43b4-9736-52884e862820@eisentraut.org
170 lines
3.8 KiB
C
170 lines
3.8 KiB
C
/*
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* contrib/btree_gist/btree_bytea.c
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*/
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#include "postgres.h"
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#include "btree_gist.h"
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#include "btree_utils_var.h"
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#include "utils/fmgrprotos.h"
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/*
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** Bytea ops
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*/
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PG_FUNCTION_INFO_V1(gbt_bytea_compress);
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PG_FUNCTION_INFO_V1(gbt_bytea_union);
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PG_FUNCTION_INFO_V1(gbt_bytea_picksplit);
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PG_FUNCTION_INFO_V1(gbt_bytea_consistent);
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PG_FUNCTION_INFO_V1(gbt_bytea_penalty);
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PG_FUNCTION_INFO_V1(gbt_bytea_same);
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/* define for comparison */
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static bool
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gbt_byteagt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
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{
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return DatumGetBool(DirectFunctionCall2(byteagt,
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PointerGetDatum(a),
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PointerGetDatum(b)));
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}
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static bool
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gbt_byteage(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
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{
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return DatumGetBool(DirectFunctionCall2(byteage,
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PointerGetDatum(a),
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PointerGetDatum(b)));
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}
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static bool
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gbt_byteaeq(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
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{
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return DatumGetBool(DirectFunctionCall2(byteaeq,
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PointerGetDatum(a),
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PointerGetDatum(b)));
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}
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static bool
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gbt_byteale(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
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{
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return DatumGetBool(DirectFunctionCall2(byteale,
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PointerGetDatum(a),
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PointerGetDatum(b)));
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}
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static bool
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gbt_bytealt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
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{
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return DatumGetBool(DirectFunctionCall2(bytealt,
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PointerGetDatum(a),
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PointerGetDatum(b)));
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}
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static int32
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gbt_byteacmp(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
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{
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return DatumGetInt32(DirectFunctionCall2(byteacmp,
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PointerGetDatum(a),
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PointerGetDatum(b)));
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}
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static const gbtree_vinfo tinfo =
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{
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gbt_t_bytea,
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0,
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true,
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gbt_byteagt,
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gbt_byteage,
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gbt_byteaeq,
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gbt_byteale,
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gbt_bytealt,
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gbt_byteacmp,
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NULL
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};
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/**************************************************
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* Text ops
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**************************************************/
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Datum
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gbt_bytea_compress(PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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PG_RETURN_POINTER(gbt_var_compress(entry, &tinfo));
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}
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Datum
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gbt_bytea_consistent(PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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void *query = DatumGetByteaP(PG_GETARG_DATUM(1));
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StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
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/* Oid subtype = PG_GETARG_OID(3); */
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bool *recheck = (bool *) PG_GETARG_POINTER(4);
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bool retval;
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GBT_VARKEY *key = (GBT_VARKEY *) DatumGetPointer(entry->key);
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GBT_VARKEY_R r = gbt_var_key_readable(key);
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/* All cases served by this function are exact */
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*recheck = false;
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retval = gbt_var_consistent(&r, query, strategy, PG_GET_COLLATION(),
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GIST_LEAF(entry), &tinfo, fcinfo->flinfo);
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PG_RETURN_BOOL(retval);
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}
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Datum
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gbt_bytea_union(PG_FUNCTION_ARGS)
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{
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GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
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int32 *size = (int *) PG_GETARG_POINTER(1);
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PG_RETURN_POINTER(gbt_var_union(entryvec, size, PG_GET_COLLATION(),
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&tinfo, fcinfo->flinfo));
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}
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Datum
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gbt_bytea_picksplit(PG_FUNCTION_ARGS)
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{
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GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
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GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
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gbt_var_picksplit(entryvec, v, PG_GET_COLLATION(),
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&tinfo, fcinfo->flinfo);
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PG_RETURN_POINTER(v);
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}
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Datum
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gbt_bytea_same(PG_FUNCTION_ARGS)
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{
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Datum d1 = PG_GETARG_DATUM(0);
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Datum d2 = PG_GETARG_DATUM(1);
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bool *result = (bool *) PG_GETARG_POINTER(2);
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*result = gbt_var_same(d1, d2, PG_GET_COLLATION(), &tinfo, fcinfo->flinfo);
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PG_RETURN_POINTER(result);
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}
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Datum
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gbt_bytea_penalty(PG_FUNCTION_ARGS)
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{
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GISTENTRY *o = (GISTENTRY *) PG_GETARG_POINTER(0);
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GISTENTRY *n = (GISTENTRY *) PG_GETARG_POINTER(1);
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float *result = (float *) PG_GETARG_POINTER(2);
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PG_RETURN_POINTER(gbt_var_penalty(result, o, n, PG_GET_COLLATION(),
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&tinfo, fcinfo->flinfo));
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}
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