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Miscellanous changes in ColumnArray (#4857)

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* Miscellanous

* Miscellanous

* Miscellanous
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alexey-milovidov 2019-03-30 13:46:17 +03:00 committed by GitHub
parent 0dee8cf79c
commit 254369324b
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4 changed files with 11 additions and 7 deletions
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10
dbms/src/Columns/ColumnArray.cpp
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@ -809,12 +809,12 @@ ColumnPtr ColumnArray::replicateString(const Offsets & replicate_offsets) const
for (size_t i = 0; i < col_size; ++i)
{
/// How much to replicate the array.
/// How many times to replicate the array.
size_t size_to_replicate = replicate_offsets[i] - prev_replicate_offset;
/// The number of rows in the array.
/// The number of strings in the array.
size_t value_size = src_offsets[i] - prev_src_offset;
/// Number of characters in rows of the array, including zero/null bytes.
size_t sum_chars_size = value_size == 0 ? 0 : (src_string_offsets[prev_src_offset + value_size - 1] - prev_src_string_offset);
/// Number of characters in strings of the array, including zero bytes.
size_t sum_chars_size = src_string_offsets[prev_src_offset + value_size - 1] - prev_src_string_offset; /// -1th index is Ok, see PaddedPODArray.
for (size_t j = 0; j < size_to_replicate; ++j)
{
@ -824,7 +824,7 @@ ColumnPtr ColumnArray::replicateString(const Offsets & replicate_offsets) const
size_t prev_src_string_offset_local = prev_src_string_offset;
for (size_t k = 0; k < value_size; ++k)
{
/// Size of one string.
/// Size of single string.
size_t chars_size = src_string_offsets[k + prev_src_offset] - prev_src_string_offset_local;
current_res_string_offset += chars_size;

2
dbms/src/Columns/ColumnString.cpp
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@ -88,7 +88,7 @@ void ColumnString::insertRangeFrom(const IColumn & src, size_t start, size_t len
else
{
size_t old_size = offsets.size();
size_t prev_max_offset = old_size ? offsets.back() : 0;
size_t prev_max_offset = offsets.back(); /// -1th index is Ok, see PaddedPODArray
offsets.resize(old_size + length);
for (size_t i = 0; i < length; ++i)

4
dbms/src/Functions/FunctionArrayMapped.h
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@ -161,6 +161,10 @@ public:
const auto * column_function = typeid_cast<const ColumnFunction *>(column_with_type_and_name.column.get());
if (!column_function)
throw Exception("First argument for function " + getName() + " must be a function.",
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
ColumnPtr offsets_column;
ColumnPtr column_first_array_ptr;

2
dbms/src/Functions/FunctionsBitmap.h
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@ -5,7 +5,6 @@
#include <Columns/ColumnAggregateFunction.h>
#include <Columns/ColumnArray.h>
#include <Columns/ColumnConst.h>
#include <Columns/ColumnFunction.h>
#include <Columns/ColumnVector.h>
#include <DataTypes/DataTypeAggregateFunction.h>
#include <DataTypes/DataTypeArray.h>
@ -14,6 +13,7 @@
#include <Functions/IFunction.h>
#include <Common/typeid_cast.h>
namespace DB
{
namespace ErrorCodes