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Addition to prev. revision [#CLICKHOUSE-2]

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This commit is contained in:
Alexey Milovidov 2018-09-02 07:33:15 +03:00
parent bf443fcfa0
commit f93ede0182
1 changed files with 7 additions and 4 deletions
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11
dbms/src/Columns/ColumnArray.cpp
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@ -827,10 +827,13 @@ ColumnPtr ColumnArray::replicateString(const Offsets & replicate_offsets) const
prev_src_string_offset_local += chars_size;
}
/// Copies the characters of the array of rows.
res_chars.resize(res_chars.size() + sum_chars_size);
memcpySmallAllowReadWriteOverflow15(
&res_chars[res_chars.size() - sum_chars_size], &src_chars[prev_src_string_offset], sum_chars_size);
if (sum_chars_size)
{
/// Copies the characters of the array of rows.
res_chars.resize(res_chars.size() + sum_chars_size);
memcpySmallAllowReadWriteOverflow15(
&res_chars[res_chars.size() - sum_chars_size], &src_chars[prev_src_string_offset], sum_chars_size);
}
}
prev_replicate_offset = replicate_offsets[i];