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dispatched another column to get rid of virtual call

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This commit is contained in:
myrrc 2020-08-07 18:38:26 +03:00
parent ac77e2a88f
commit a13ee27d82
1 changed files with 38 additions and 12 deletions
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42
src/Columns/ColumnUnique.h
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@ -120,24 +120,50 @@ public:
? 1
: origin.size();
auto fill_col = [this, origin_size, &origin](auto& col)
{
auto dispatch_target_col = [this, origin_size, &origin](auto & target_dispatched) {
auto dispatch_origin_col = [this, origin_size, &target_dispatched](auto & origin_dispatched) {
for (size_t i = 0; i < origin_size; ++i)
{
const StringRef elem = origin.getDataAt(i);
const StringRef elem = origin_dispatched.getDataAt(i);
col.getElement(i) = (elem == EMPTY_STRING_REF)
target_dispatched.getElement(i) = (elem == EMPTY_STRING_REF)
? 0 // NULL value index
: reverse_index.getInsertionPoint(elem);
}
};
#define dispatch(TYPE) case TypeIndex::TYPE: dispatch_origin_col(*typeid_cast<const Column##TYPE *>(&origin)); break;
switch (origin.getDataType())
{
dispatch(UInt8)
dispatch(UInt16)
dispatch(UInt32)
dispatch(UInt64)
dispatch(UInt128)
dispatch(Int8)
dispatch(Int16)
dispatch(Int32)
dispatch(Int64)
dispatch(Float32)
dispatch(Float64)
dispatch(String)
dispatch(FixedString)
// dispatch(Array) cannot be forward-declared -- typeid on incomplete type is prohibited
// dispatch(Tuple)
// dispatch(Set)
// dispatch(Interval)
dispatch(Nullable)
default: dispatch_origin_col(origin); break;
}
};
switch (origin_index_type_size)
{
case sizeof(UInt8): fill_col(*typeid_cast<ColumnUInt8 *>(&target)); break;
case sizeof(UInt16): fill_col(*typeid_cast<ColumnUInt16 *>(&target)); break;
case sizeof(UInt32): fill_col(*typeid_cast<ColumnUInt32 *>(&target)); break;
case sizeof(UInt64): fill_col(*typeid_cast<ColumnUInt64 *>(&target)); break;
case sizeof(UInt8): dispatch_target_col(*typeid_cast<ColumnUInt8 *>(&target)); break;
case sizeof(UInt16): dispatch_target_col(*typeid_cast<ColumnUInt16 *>(&target)); break;
case sizeof(UInt32): dispatch_target_col(*typeid_cast<ColumnUInt32 *>(&target)); break;
case sizeof(UInt64): dispatch_target_col(*typeid_cast<ColumnUInt64 *>(&target)); break;
}
}