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remove unused codes in AggregateFunctionGroupBitmapData
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sundy-li
parent
f407504a7a
commit
21315127a0
@ -12,7 +12,6 @@
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// TODO: find out what it is. On github, they have proper interface headers like
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// TODO: find out what it is. On github, they have proper interface headers like
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// this one: https://github.com/RoaringBitmap/CRoaring/blob/master/include/roaring/roaring.h
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// this one: https://github.com/RoaringBitmap/CRoaring/blob/master/include/roaring/roaring.h
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#include <roaring/roaring.h>
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#include <roaring/roaring.h>
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void * containerptr_roaring_bitmap_add(roaring_bitmap_t * r, uint32_t val, uint8_t * typecode, int * index);
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namespace DB
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namespace DB
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{
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{
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@ -599,129 +598,6 @@ public:
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}
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}
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}
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}
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private:
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/// To read and write the DB Buffer directly, migrate code from CRoaring
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void db_roaring_bitmap_add_many(DB::ReadBuffer & db_buf, roaring_bitmap_t * r, size_t n_args)
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{
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void * container = nullptr; // hold value of last container touched
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uint8_t typecode = 0; // typecode of last container touched
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uint32_t prev = 0; // previous valued inserted
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size_t i = 0; // index of value
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int containerindex = 0;
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if (n_args == 0)
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return;
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uint32_t val;
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readBinary(val, db_buf);
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container = containerptr_roaring_bitmap_add(r, val, &typecode, &containerindex);
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prev = val;
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++i;
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for (; i < n_args; ++i)
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{
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readBinary(val, db_buf);
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if (((prev ^ val) >> 16) == 0)
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{ // no need to seek the container, it is at hand
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// because we already have the container at hand, we can do the
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// insertion
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// automatically, bypassing the roaring_bitmap_add call
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uint8_t newtypecode = typecode;
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void * container2 = container_add(container, val & 0xFFFF, typecode, &newtypecode);
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// rare instance when we need to
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if (container2 != container)
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{
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// change the container type
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container_free(container, typecode);
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ra_set_container_at_index(&r->high_low_container, containerindex, container2, newtypecode);
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typecode = newtypecode;
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container = container2;
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}
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}
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else
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{
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container = containerptr_roaring_bitmap_add(r, val, &typecode, &containerindex);
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}
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prev = val;
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}
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}
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void db_ra_to_uint32_array(DB::WriteBuffer & db_buf, roaring_array_t * ra) const
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{
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size_t ctr = 0;
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for (Int32 i = 0; i < ra->size; ++i)
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{
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Int32 num_added = db_container_to_uint32_array(db_buf, ra->containers[i], ra->typecodes[i], (static_cast<UInt32>(ra->keys[i])) << 16);
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ctr += num_added;
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}
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}
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UInt32 db_container_to_uint32_array(DB::WriteBuffer & db_buf, const void * container, uint8_t typecode, UInt32 base) const
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{
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container = container_unwrap_shared(container, &typecode);
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switch (typecode)
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{
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case BITSET_CONTAINER_TYPE_CODE:
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return db_bitset_container_to_uint32_array(db_buf, static_cast<const bitset_container_t *>(container), base);
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case ARRAY_CONTAINER_TYPE_CODE:
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return db_array_container_to_uint32_array(db_buf, static_cast<const array_container_t *>(container), base);
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case RUN_CONTAINER_TYPE_CODE:
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return db_run_container_to_uint32_array(db_buf, static_cast<const run_container_t *>(container), base);
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}
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return 0;
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}
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UInt32 db_bitset_container_to_uint32_array(DB::WriteBuffer & db_buf, const bitset_container_t * cont, UInt32 base) const
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{
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return static_cast<UInt32>(db_bitset_extract_setbits(db_buf, cont->array, BITSET_CONTAINER_SIZE_IN_WORDS, base));
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}
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size_t db_bitset_extract_setbits(DB::WriteBuffer & db_buf, UInt64 * bitset, size_t length, UInt32 base) const
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{
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UInt32 outpos = 0;
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for (size_t i = 0; i < length; ++i)
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{
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UInt64 w = bitset[i];
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while (w != 0)
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{
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UInt64 t = w & (~w + 1); // on x64, should compile to BLSI (careful: the Intel compiler seems to fail)
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UInt32 r = __builtin_ctzll(w); // on x64, should compile to TZCNT
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UInt32 val = r + base;
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writePODBinary(val, db_buf);
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outpos++;
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w ^= t;
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}
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base += 64;
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}
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return outpos;
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}
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int db_array_container_to_uint32_array(DB::WriteBuffer & db_buf, const array_container_t * cont, UInt32 base) const
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{
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UInt32 outpos = 0;
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for (Int32 i = 0; i < cont->cardinality; ++i)
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{
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const UInt32 val = base + cont->array[i];
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writePODBinary(val, db_buf);
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outpos++;
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}
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return outpos;
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}
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int db_run_container_to_uint32_array(DB::WriteBuffer & db_buf, const run_container_t * cont, UInt32 base) const
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{
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UInt32 outpos = 0;
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for (Int32 i = 0; i < cont->n_runs; ++i)
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{
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UInt32 run_start = base + cont->runs[i].value;
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UInt16 le = cont->runs[i].length;
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for (Int32 j = 0; j <= le; ++j)
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{
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UInt32 val = run_start + j;
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writePODBinary(val, db_buf);
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outpos++;
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}
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}
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return outpos;
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}
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};
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};
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template <typename T>
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template <typename T>
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