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dbms: addition to prev. revision [#METR-17716].

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This commit is contained in:
Alexey Milovidov 2015-08-16 10:30:01 +03:00
parent 469b409ba0
commit 5744b77040
1 changed files with 6 additions and 1 deletions
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7
dbms/src/DataStreams/NativeBlockInputStream.cpp
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@ -97,8 +97,11 @@ Block NativeBlockInputStream::readImpl()
for (size_t i = 0; i < columns; ++i)
{
if (index) /// Если текущая позиция какая требуется, то реального seek-а не происходит.
if (index)
{
/// Если текущая позиция и так какая требуется, то реального seek-а не происходит.
istr_concrete->seek(index_column_it->location.offset_in_compressed_file, index_column_it->location.offset_in_decompressed_block);
}
ColumnWithTypeAndName column;
@ -135,6 +138,8 @@ Block NativeBlockInputStream::readImpl()
throw Exception("Inconsistent index: not all columns were read", ErrorCodes::INCORRECT_INDEX);
++index_block_it;
if (index_block_it != index->blocks.end())
index_column_it = index_block_it->columns.begin();
}
return res;