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roaringbitmap.c
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roaringbitmap.c
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#include "roaringbitmap.h"
/* Created by ZEROMAX on 2017/3/20.*/
bool ArrayContainsNulls(ArrayType *array)
{
int nelems;
bits8 *bitmap;
int bitmask;
/* Easy answer if there's no null bitmap */
if (!ARR_HASNULL(array))
return false;
nelems = ArrayGetNItems(ARR_NDIM(array), ARR_DIMS(array));
bitmap = ARR_NULLBITMAP(array);
/* check whole bytes of the bitmap byte-at-a-time */
while (nelems >= 8)
{
if (*bitmap != 0xFF)
return true;
bitmap++;
nelems -= 8;
}
/* check last partial byte */
bitmask = 1;
while (nelems > 0)
{
if ((*bitmap & bitmask) == 0)
return true;
bitmask <<= 1;
nelems--;
}
return false;
}
//roaringbitmap
Datum roaringbitmap(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(roaringbitmap);
Datum
roaringbitmap(PG_FUNCTION_ARGS)
{
bytea *serializedbytes = PG_GETARG_BYTEA_P(0);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_free(r1);
PG_RETURN_BYTEA_P(serializedbytes);
}
//roaringbitmap_in
Datum roaringbitmap_in(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(roaringbitmap_in);
Datum
roaringbitmap_in(PG_FUNCTION_ARGS)
{
Datum dd = DirectFunctionCall1(byteain, PG_GETARG_DATUM(0));
bytea *bp = DatumGetByteaP(dd);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(bp));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_free(r1);
return dd;
}
//roaringbitmap_out
Datum roaringbitmap_out(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(roaringbitmap_out);
Datum
roaringbitmap_out(PG_FUNCTION_ARGS)
{
Datum dd = DirectFunctionCall1(byteaout, PG_GETARG_DATUM(0));
return dd;
}
//roaringbitmap_recv
Datum roaringbitmap_recv(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(roaringbitmap_recv);
Datum
roaringbitmap_recv(PG_FUNCTION_ARGS)
{
Datum dd = DirectFunctionCall1(bytearecv, PG_GETARG_DATUM(0));
return dd;
}
//roaringbitmap_send
Datum roaringbitmap_send(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(roaringbitmap_send);
Datum
roaringbitmap_send(PG_FUNCTION_ARGS)
{
Datum dd = PG_GETARG_DATUM(0);
bytea *bp = DatumGetByteaP(dd);
StringInfoData buf;
pq_begintypsend(&buf);
pq_sendbytes(&buf, VARDATA(bp), VARSIZE(bp) - VARHDRSZ);
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
//bitmap_or
PG_FUNCTION_INFO_V1(rb_or);
Datum rb_or(PG_FUNCTION_ARGS);
Datum
rb_or(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_or_inplace(r1, r2);
roaring_bitmap_free(r2);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap_or_cardinality
PG_FUNCTION_INFO_V1(rb_or_cardinality);
Datum rb_or_cardinality(PG_FUNCTION_ARGS);
Datum
rb_or_cardinality(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 card1 = (int)roaring_bitmap_or_cardinality(r1, r2);
roaring_bitmap_free(r1);
roaring_bitmap_free(r2);
PG_RETURN_INT32(card1);
}
//bitmap_and
PG_FUNCTION_INFO_V1(rb_and);
Datum rb_and(PG_FUNCTION_ARGS);
Datum
rb_and(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_and_inplace(r1, r2);
roaring_bitmap_free(r2);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap_and_cardinality
PG_FUNCTION_INFO_V1(rb_and_cardinality);
Datum rb_and_cardinality(PG_FUNCTION_ARGS);
Datum
rb_and_cardinality(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 card1 = (int)roaring_bitmap_and_cardinality(r1, r2);
roaring_bitmap_free(r1);
roaring_bitmap_free(r2);
PG_RETURN_INT32(card1);
}
//bitmap_andnot
PG_FUNCTION_INFO_V1(rb_andnot);
Datum rb_andnot(PG_FUNCTION_ARGS);
Datum
rb_andnot(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_andnot_inplace(r1, r2);
roaring_bitmap_free(r2);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap_andnot_cardinality
PG_FUNCTION_INFO_V1(rb_andnot_cardinality);
Datum rb_andnot_cardinality(PG_FUNCTION_ARGS);
Datum
rb_andnot_cardinality(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 card1 = (int)roaring_bitmap_andnot_cardinality(r1, r2);
roaring_bitmap_free(r1);
roaring_bitmap_free(r2);
PG_RETURN_INT32(card1);
}
//bitmap_xor
PG_FUNCTION_INFO_V1(rb_xor);
Datum rb_xor(PG_FUNCTION_ARGS);
Datum
rb_xor(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_xor_inplace(r1, r2);
roaring_bitmap_free(r2);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap_xor_cardinality
PG_FUNCTION_INFO_V1(rb_xor_cardinality);
Datum rb_xor_cardinality(PG_FUNCTION_ARGS);
Datum
rb_xor_cardinality(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 card1 = (int)roaring_bitmap_xor_cardinality(r1, r2);
roaring_bitmap_free(r1);
roaring_bitmap_free(r2);
PG_RETURN_INT32(card1);
}
//bitmap cardinality
PG_FUNCTION_INFO_V1(rb_cardinality);
Datum rb_cardinality(PG_FUNCTION_ARGS);
Datum
rb_cardinality(PG_FUNCTION_ARGS)
{
bytea *data = PG_GETARG_BYTEA_P(0);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(data));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 card1 = (int)roaring_bitmap_get_cardinality(r1);
roaring_bitmap_free(r1);
PG_RETURN_INT32(card1);
}
//bitmap is empty
PG_FUNCTION_INFO_V1(rb_is_empty);
Datum rb_is_empty(PG_FUNCTION_ARGS);
Datum
rb_is_empty(PG_FUNCTION_ARGS)
{
bytea *data = PG_GETARG_BYTEA_P(0);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(data));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
bool isempty = roaring_bitmap_is_empty(r1);
roaring_bitmap_free(r1);
PG_RETURN_BOOL(isempty);
}
//bitmap equals
PG_FUNCTION_INFO_V1(rb_equals);
Datum rb_equals(PG_FUNCTION_ARGS);
Datum
rb_equals(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
bool isequal = roaring_bitmap_equals(r1, r2);
roaring_bitmap_free(r1);
roaring_bitmap_free(r2);
PG_RETURN_BOOL(isequal);
}
//bitmap intersect
PG_FUNCTION_INFO_V1(rb_intersect);
Datum rb_intersect(PG_FUNCTION_ARGS);
Datum
rb_intersect(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
bytea *serializedbytes2 = PG_GETARG_BYTEA_P(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_t *r2 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes2));
if (!r2)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
bool isintersect = roaring_bitmap_intersect(r1, r2);
roaring_bitmap_free(r1);
roaring_bitmap_free(r2);
PG_RETURN_BOOL(isintersect);
}
//bitmap add
PG_FUNCTION_INFO_V1(rb_add);
Datum rb_add(PG_FUNCTION_ARGS);
Datum
rb_add(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
int32 offsetid = PG_GETARG_INT32(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_add(r1, offsetid);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap add range
PG_FUNCTION_INFO_V1(rb_add_range);
Datum rb_add_range(PG_FUNCTION_ARGS);
Datum
rb_add_range(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
int32 offset1 = PG_GETARG_INT32(1);
int32 offset2 = PG_GETARG_INT32(2);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_add_range_closed(r1, offset1, offset2);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap remove
PG_FUNCTION_INFO_V1(rb_remove);
Datum rb_remove(PG_FUNCTION_ARGS);
Datum
rb_remove(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
int32 offsetid = PG_GETARG_INT32(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_remove(r1, offsetid);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap remove range
PG_FUNCTION_INFO_V1(rb_remove_range);
Datum rb_remove_range(PG_FUNCTION_ARGS);
Datum
rb_remove_range(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
int32 offset1 = PG_GETARG_INT32(1);
int32 offset2 = PG_GETARG_INT32(2);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_remove_range_closed(r1, offset1, offset2);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap flip
PG_FUNCTION_INFO_V1(rb_flip);
Datum rb_flip(PG_FUNCTION_ARGS);
Datum
rb_flip(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
int32 offsetstart = PG_GETARG_INT32(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_flip_inplace(r1, offsetstart, offsetstart + 1);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap flip range
PG_FUNCTION_INFO_V1(rb_flip_range);
Datum rb_flip_range(PG_FUNCTION_ARGS);
Datum
rb_flip_range(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
int32 offsetstart = PG_GETARG_INT32(1);
int32 offsetend = PG_GETARG_INT32(2);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_bitmap_flip_inplace(r1, offsetstart, offsetend + 1);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap build
PG_FUNCTION_INFO_V1(rb_build);
Datum rb_build(PG_FUNCTION_ARGS);
Datum
rb_build(PG_FUNCTION_ARGS)
{
ArrayType *a = (ArrayType *)PG_GETARG_ARRAYTYPE_P(0);
int na, n;
int *da;
CHECKARRVALID(a);
na = ARRNELEMS(a);
da = ARRPTR(a);
roaring_bitmap_t *r1 = roaring_bitmap_create();
for (n = 0; n < na; n++)
{
roaring_bitmap_add(r1, da[n]);
}
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
//bitmap list
PG_FUNCTION_INFO_V1(rb_iterate);
Datum rb_iterate(PG_FUNCTION_ARGS);
Datum
rb_iterate(PG_FUNCTION_ARGS)
{
FuncCallContext *funcctx;
MemoryContext oldcontext;
roaring_uint32_iterator_t *fctx;
if (SRF_IS_FIRSTCALL())
{
funcctx = SRF_FIRSTCALL_INIT();
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
bytea *data = PG_GETARG_BYTEA_P(0);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(data));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
roaring_uint32_iterator_t *fctx = roaring_create_iterator(r1);
funcctx->user_fctx = fctx;
MemoryContextSwitchTo(oldcontext);
}
funcctx = SRF_PERCALL_SETUP();
fctx = funcctx->user_fctx;
if (fctx->has_value)
{
Datum result;
result = fctx->current_value;
roaring_advance_uint32_iterator(fctx);
SRF_RETURN_NEXT(funcctx, result);
}
else
{
roaring_free_uint32_iterator(fctx);
SRF_RETURN_DONE(funcctx);
}
}
//setup
roaring_bitmap_t *setup_roaringbitmap(MemoryContext rcontext);
roaring_bitmap_t *
setup_roaringbitmap(MemoryContext rcontext)
{
MemoryContext tmpcontext;
MemoryContext oldcontext;
roaring_bitmap_t *r1;
tmpcontext = AllocSetContextCreate(rcontext,
"roaring_bitmap_t",
ALLOCSET_DEFAULT_MINSIZE,
ALLOCSET_DEFAULT_INITSIZE,
ALLOCSET_DEFAULT_MAXSIZE);
oldcontext = MemoryContextSwitchTo(tmpcontext);
r1 = roaring_bitmap_create();
MemoryContextSwitchTo(oldcontext);
return r1;
}
//bitmap or trans
PG_FUNCTION_INFO_V1(rb_or_trans);
Datum rb_or_trans(PG_FUNCTION_ARGS);
Datum
rb_or_trans(PG_FUNCTION_ARGS)
{
MemoryContext aggctx;
bytea *bb;
roaring_bitmap_t *r1;
roaring_bitmap_t *r2;
// We must be called as a transition routine or we fail.
if (!AggCheckCallContext(fcinfo, &aggctx))
ereport(ERROR,
(errcode(ERRCODE_DATA_EXCEPTION),
errmsg("rb_or_trans outside transition context")));
// Is the first argument a NULL?
if (PG_ARGISNULL(0))
{
r1 = setup_roaringbitmap(aggctx);
}
else
{
r1 = (roaring_bitmap_t *)PG_GETARG_POINTER(0);
}
// Is the second argument non-null?
if (!PG_ARGISNULL(1))
{
bb = PG_GETARG_BYTEA_P(1);
r2 = roaring_bitmap_portable_deserialize(VARDATA(bb));
roaring_bitmap_or_inplace(r1, r2);
roaring_bitmap_free(r2);
}
PG_RETURN_POINTER(r1);
}
//bitmap and trans
PG_FUNCTION_INFO_V1(rb_and_trans);
Datum rb_and_trans(PG_FUNCTION_ARGS);
Datum
rb_and_trans(PG_FUNCTION_ARGS)
{
MemoryContext aggctx;
bytea *bb;
roaring_bitmap_t *r1;
roaring_bitmap_t *r2;
// We must be called as a transition routine or we fail.
if (!AggCheckCallContext(fcinfo, &aggctx))
ereport(ERROR,
(errcode(ERRCODE_DATA_EXCEPTION),
errmsg("rb_and_trans outside transition context")));
// Is the first argument a NULL?
if (PG_ARGISNULL(0))
{
r1 = setup_roaringbitmap(aggctx);
}
else
{
r1 = (roaring_bitmap_t *)PG_GETARG_POINTER(0);
}
// Is the second argument non-null?
if (!PG_ARGISNULL(1))
{
bb = PG_GETARG_BYTEA_P(1);
r2 = roaring_bitmap_portable_deserialize(VARDATA(bb));
if (PG_ARGISNULL(0))
{
r1 = roaring_bitmap_copy(r2);
}
else
{
roaring_bitmap_and_inplace(r1, r2);
}
roaring_bitmap_free(r2);
}
PG_RETURN_POINTER(r1);
}
//bitmap xor trans
PG_FUNCTION_INFO_V1(rb_xor_trans);
Datum rb_xor_trans(PG_FUNCTION_ARGS);
Datum
rb_xor_trans(PG_FUNCTION_ARGS)
{
MemoryContext aggctx;
bytea *bb;
roaring_bitmap_t *r1;
roaring_bitmap_t *r2;
// We must be called as a transition routine or we fail.
if (!AggCheckCallContext(fcinfo, &aggctx))
ereport(ERROR,
(errcode(ERRCODE_DATA_EXCEPTION),
errmsg("rb_xor_trans outside transition context")));
// Is the first argument a NULL?
if (PG_ARGISNULL(0))
{
r1 = setup_roaringbitmap(aggctx);
}
else
{
r1 = (roaring_bitmap_t *)PG_GETARG_POINTER(0);
}
// Is the second argument non-null?
if (!PG_ARGISNULL(1))
{
bb = PG_GETARG_BYTEA_P(1);
r2 = roaring_bitmap_portable_deserialize(VARDATA(bb));
if (PG_ARGISNULL(0))
{
r1 = roaring_bitmap_copy(r2);
}
else
{
roaring_bitmap_xor_inplace(r1, r2);
}
roaring_bitmap_free(r2);
}
PG_RETURN_POINTER(r1);
}
//bitmap build trans
PG_FUNCTION_INFO_V1(rb_build_trans);
Datum rb_build_trans(PG_FUNCTION_ARGS);
Datum
rb_build_trans(PG_FUNCTION_ARGS)
{
MemoryContext aggctx;
int bb;
roaring_bitmap_t *r1;
// We must be called as a transition routine or we fail.
if (!AggCheckCallContext(fcinfo, &aggctx))
ereport(ERROR,
(errcode(ERRCODE_DATA_EXCEPTION),
errmsg("rb_build_trans outside transition context")));
// Is the first argument a NULL?
if (PG_ARGISNULL(0))
{
r1 = setup_roaringbitmap(aggctx);
}
else
{
r1 = (roaring_bitmap_t *)PG_GETARG_POINTER(0);
}
// Is the second argument non-null?
if (!PG_ARGISNULL(1))
{
bb = PG_GETARG_INT32(1);
roaring_bitmap_add(r1, bb);
}
PG_RETURN_POINTER(r1);
}
//bitmap Serialize
PG_FUNCTION_INFO_V1(rb_serialize);
Datum rb_serialize(PG_FUNCTION_ARGS);
Datum
rb_serialize(PG_FUNCTION_ARGS)
{
MemoryContext aggctx;
roaring_bitmap_t *r1;
// We must be called as a transition routine or we fail.
if (!AggCheckCallContext(fcinfo, &aggctx))
ereport(ERROR,
(errcode(ERRCODE_DATA_EXCEPTION),
errmsg("rb_serialize outside aggregate context")));
// Is the first argument a NULL?
if (PG_ARGISNULL(0))
{
PG_RETURN_NULL();
}
else
{
r1 = (roaring_bitmap_t *)PG_GETARG_POINTER(0);
size_t expectedsize = roaring_bitmap_portable_size_in_bytes(r1);
bytea *serializedbytes = (bytea *)palloc(VARHDRSZ + expectedsize);
roaring_bitmap_portable_serialize(r1, VARDATA(serializedbytes));
roaring_bitmap_free(r1);
SET_VARSIZE(serializedbytes, VARHDRSZ + expectedsize);
PG_RETURN_BYTEA_P(serializedbytes);
}
}
//bitmap Cardinality trans
PG_FUNCTION_INFO_V1(rb_cardinality_trans);
Datum rb_cardinality_trans(PG_FUNCTION_ARGS);
Datum
rb_cardinality_trans(PG_FUNCTION_ARGS)
{
MemoryContext aggctx;
roaring_bitmap_t *r1;
// We must be called as a transition routine or we fail.
if (!AggCheckCallContext(fcinfo, &aggctx))
ereport(ERROR,
(errcode(ERRCODE_DATA_EXCEPTION),
errmsg("rb_cardinality_trans outside aggregate context")));
// Is the first argument a NULL?
if (PG_ARGISNULL(0))
{
PG_RETURN_NULL();
}
else
{
r1 = (roaring_bitmap_t *)PG_GETARG_POINTER(0);
int32 card1 = (int)roaring_bitmap_get_cardinality(r1);
roaring_bitmap_free(r1);
PG_RETURN_INT32(card1);
}
}
//bitmap minimum
PG_FUNCTION_INFO_V1(rb_minimum);
Datum rb_minimum(PG_FUNCTION_ARGS);
Datum
rb_minimum(PG_FUNCTION_ARGS)
{
bytea *data = PG_GETARG_BYTEA_P(0);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(data));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 min1 = (int)roaring_bitmap_minimum(r1);
roaring_bitmap_free(r1);
PG_RETURN_INT32(min1);
}
//bitmap maximum
PG_FUNCTION_INFO_V1(rb_maximum);
Datum rb_maximum(PG_FUNCTION_ARGS);
Datum
rb_maximum(PG_FUNCTION_ARGS)
{
bytea *data = PG_GETARG_BYTEA_P(0);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(data));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 max1 = (int)roaring_bitmap_maximum(r1);
roaring_bitmap_free(r1);
PG_RETURN_INT32(max1);
}
//bitmap rank
PG_FUNCTION_INFO_V1(rb_rank);
Datum rb_rank(PG_FUNCTION_ARGS);
Datum
rb_rank(PG_FUNCTION_ARGS)
{
bytea *data = PG_GETARG_BYTEA_P(0);
int32 offsetid = PG_GETARG_INT32(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(data));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
int32 rank1 = (int)roaring_bitmap_rank(r1, offsetid);
roaring_bitmap_free(r1);
PG_RETURN_INT32(rank1);
}
//bitmap contains
PG_FUNCTION_INFO_V1(rb_contains);
Datum rb_contains(PG_FUNCTION_ARGS);
Datum
rb_contains(PG_FUNCTION_ARGS)
{
bytea *serializedbytes1 = PG_GETARG_BYTEA_P(0);
int32 offsetid = PG_GETARG_INT32(1);
roaring_bitmap_t *r1 = roaring_bitmap_portable_deserialize(VARDATA(serializedbytes1));
if (!r1)
ereport(ERROR, (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), errmsg("bitmap format is error")));
bool iscontain = roaring_bitmap_contains(r1, offsetid);
roaring_bitmap_free(r1);
PG_RETURN_BOOL(iscontain);