diff options
author | Teodor Sigaev | 2004-05-28 10:43:32 +0000 |
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committer | Teodor Sigaev | 2004-05-28 10:43:32 +0000 |
commit | 42d069886f38687839388c615af608706508b557 (patch) | |
tree | 0409615407a17d22e2511ac14745277467853453 /contrib/btree_gist/btree_bytea.c | |
parent | 1a321f26d88e5c64bccba9d36920aede1e201729 (diff) |
New version. Add support for int2, int8, float4, float8, timestamp with/without time zone, time with/without time zone, date, interval, oid, money and macaddr, char, varchar/text, bytea, numeric, bit, varbit, inet/cidr types for GiST
Diffstat (limited to 'contrib/btree_gist/btree_bytea.c')
-rw-r--r-- | contrib/btree_gist/btree_bytea.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_bytea.c b/contrib/btree_gist/btree_bytea.c new file mode 100644 index 00000000000..da8a7f405b5 --- /dev/null +++ b/contrib/btree_gist/btree_bytea.c @@ -0,0 +1,149 @@ +#include "btree_gist.h" +#include "btree_utils_var.h" +#include "utils/builtins.h" + + +/* +** Bytea ops +*/ +PG_FUNCTION_INFO_V1(gbt_bytea_compress); +PG_FUNCTION_INFO_V1(gbt_bytea_union); +PG_FUNCTION_INFO_V1(gbt_bytea_picksplit); +PG_FUNCTION_INFO_V1(gbt_bytea_consistent); +PG_FUNCTION_INFO_V1(gbt_bytea_penalty); +PG_FUNCTION_INFO_V1(gbt_bytea_same); + +Datum gbt_bytea_compress(PG_FUNCTION_ARGS); +Datum gbt_bytea_union(PG_FUNCTION_ARGS); +Datum gbt_bytea_picksplit(PG_FUNCTION_ARGS); +Datum gbt_bytea_consistent(PG_FUNCTION_ARGS); +Datum gbt_bytea_penalty(PG_FUNCTION_ARGS); +Datum gbt_bytea_same(PG_FUNCTION_ARGS); + + +/* define for comparison */ + +static bool gbt_byteagt (const void *a, const void *b) +{ + return ( DatumGetBool(DirectFunctionCall2( byteagt ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) ); +} + +static bool gbt_byteage (const void *a, const void *b) +{ + return ( DatumGetBool(DirectFunctionCall2( byteage ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) ); +} + +static bool gbt_byteaeq (const void *a, const void *b) +{ + return ( DatumGetBool(DirectFunctionCall2( byteaeq ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) ); +} + +static bool gbt_byteale (const void *a, const void *b) +{ + return ( DatumGetBool(DirectFunctionCall2( byteale ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) ); +} + +static bool gbt_bytealt (const void *a, const void *b) +{ + return ( DatumGetBool(DirectFunctionCall2( bytealt ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) ); +} + + +static int32 gbt_byteacmp ( const bytea * a , const bytea * b ) +{ + return + ( DatumGetInt32(DirectFunctionCall2(byteacmp,PointerGetDatum(a),PointerGetDatum(b) ) ) ); +} + + +static const gbtree_vinfo tinfo = +{ + gbt_t_bytea, + FALSE, + TRUE, + gbt_byteagt, + gbt_byteage, + gbt_byteaeq, + gbt_byteale, + gbt_bytealt, + gbt_byteacmp, + NULL +}; + + +/************************************************** + * Text ops + **************************************************/ + + +Datum +gbt_bytea_compress (PG_FUNCTION_ARGS) +{ + GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0); + PG_RETURN_POINTER ( gbt_var_compress( entry, &tinfo ) ); +} + + + +Datum +gbt_bytea_consistent(PG_FUNCTION_ARGS) +{ + GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0); + GBT_VARKEY *ktst = (GBT_VARKEY *) DatumGetPointer ( entry->key ) ; + GBT_VARKEY *key = (GBT_VARKEY *) DatumGetPointer ( PG_DETOAST_DATUM( entry->key ) ); + void *qtst = ( void * ) DatumGetPointer( PG_GETARG_DATUM(1) ); + void *query = ( void * ) DatumGetByteaP ( PG_GETARG_DATUM(1) ); + StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2); + bool retval = FALSE; + GBT_VARKEY_R r = gbt_var_key_readable ( key ); + + retval = gbt_var_consistent( &r, query, &strategy, GIST_LEAF(entry), &tinfo ); + + if ( ktst != key ){ + pfree ( key ); + } + if ( qtst != query ){ + pfree ( query ); + } + PG_RETURN_BOOL(retval); +} + + + +Datum +gbt_bytea_union(PG_FUNCTION_ARGS) +{ + GistEntryVector * entryvec = (GistEntryVector *) PG_GETARG_POINTER(0); + int32 * size = (int *) PG_GETARG_POINTER(1); + PG_RETURN_POINTER( gbt_var_union ( entryvec , size , &tinfo ) ); +} + + +Datum +gbt_bytea_picksplit(PG_FUNCTION_ARGS) +{ + GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0); + GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1); + gbt_var_picksplit ( entryvec, v, &tinfo ); + PG_RETURN_POINTER(v); +} + +Datum +gbt_bytea_same(PG_FUNCTION_ARGS) +{ + Datum d1 = PG_GETARG_DATUM(0); + Datum d2 = PG_GETARG_DATUM(1); + bool *result = (bool *) PG_GETARG_POINTER(2); + PG_RETURN_POINTER( gbt_var_same ( result, d1 , d2 , &tinfo )); +} + + +Datum +gbt_bytea_penalty(PG_FUNCTION_ARGS) +{ + float *result = (float *) PG_GETARG_POINTER(2); + GISTENTRY * o = (GISTENTRY *) PG_GETARG_POINTER(0); + GISTENTRY * n = (GISTENTRY *) PG_GETARG_POINTER(1); + PG_RETURN_POINTER( gbt_var_penalty ( result ,o , n, &tinfo ) ); +} + |