Library import 5, delete go dependencies (#832)

* Library import 5, delete go dependencies

* Fix yt client

1 files changed, 0 insertions, 73 deletions

diff --git a/contrib/clickhouse/src/Interpreters/createBlockSelector.cpp b/contrib/clickhouse/src/Interpreters/createBlockSelector.cpp
deleted file mode 100644
index a8eb39e6c9d..00000000000
--- a/contrib/clickhouse/src/Interpreters/createBlockSelector.cpp
+++ /dev/null
@@ -1,73 +0,0 @@
-#include <Columns/ColumnConst.h>
-#include <Columns/ColumnVector.h>
-#include <Common/typeid_cast.h>
-#include <Common/assert_cast.h>
-#include <Common/Exception.h>
-
-#include <type_traits>
-
-#include <libdivide-config.h>
-#include <libdivide.h>
-
-
-namespace DB
-{
-
-namespace ErrorCodes
-{
-    extern const int LOGICAL_ERROR;
-}
-
-template <typename T>
-IColumn::Selector createBlockSelector(
-    const IColumn & column,
-    const std::vector<UInt64> & slots)
-{
-    const auto total_weight = slots.size();
-    if (total_weight == 0)
-        throw Exception(ErrorCodes::LOGICAL_ERROR, "weight is zero");
-
-    size_t num_rows = column.size();
-    IColumn::Selector selector(num_rows);
-
-    /** Modulo of division of negative numbers to positive number in C++11 is negative (so called truncated division).
-      * This is not suitable for our task. So we will process signed numbers as unsigned.
-      * It is not near like remainder of division, but is suitable for our task.
-      */
-    using UnsignedT = make_unsigned_t<T>;
-
-    /// const columns contain only one value, therefore we do not need to read it at every iteration
-    if (isColumnConst(column))
-    {
-        const auto data = assert_cast<const ColumnConst &>(column).getValue<T>();
-        const auto shard_num = slots[static_cast<UnsignedT>(data) % total_weight];
-        selector.assign(num_rows, shard_num);
-    }
-    else
-    {
-        /// libdivide support only UInt32 and UInt64.
-        using TUInt32Or64 = std::conditional_t<sizeof(UnsignedT) <= 4, UInt32, UInt64>;
-
-        libdivide::divider<TUInt32Or64> divider(static_cast<TUInt32Or64>(total_weight));
-
-        const auto & data = typeid_cast<const ColumnVector<T> &>(column).getData();
-
-        for (size_t i = 0; i < num_rows; ++i)
-            selector[i] = slots[static_cast<TUInt32Or64>(data[i]) - (static_cast<TUInt32Or64>(data[i]) / divider) * total_weight];
-    }
-
-    return selector;
-}
-
-
-/// Explicit instantiations to avoid code bloat in headers.
-template IColumn::Selector createBlockSelector<UInt8>(const IColumn & column, const std::vector<UInt64> & slots);
-template IColumn::Selector createBlockSelector<UInt16>(const IColumn & column, const std::vector<UInt64> & slots);
-template IColumn::Selector createBlockSelector<UInt32>(const IColumn & column, const std::vector<UInt64> & slots);
-template IColumn::Selector createBlockSelector<UInt64>(const IColumn & column, const std::vector<UInt64> & slots);
-template IColumn::Selector createBlockSelector<Int8>(const IColumn & column, const std::vector<UInt64> & slots);
-template IColumn::Selector createBlockSelector<Int16>(const IColumn & column, const std::vector<UInt64> & slots);
-template IColumn::Selector createBlockSelector<Int32>(const IColumn & column, const std::vector<UInt64> & slots);
-template IColumn::Selector createBlockSelector<Int64>(const IColumn & column, const std::vector<UInt64> & slots);
-
-}