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dbms: development [#CONV-2944].

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This commit is contained in:
Alexey Milovidov 2012-07-31 20:30:13 +00:00
parent 19a3e788e9
commit 83337ec474
2 changed files with 8 additions and 4 deletions
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4
dbms/include/DB/Storages/StorageMergeTree.h
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@ -94,7 +94,7 @@ public:
*/ */
bool optimize() bool optimize()
{ {
return merge(); return merge(false);
} }
// void drop(); // void drop();
@ -225,7 +225,7 @@ private:
void getIndexRanges(ASTPtr & query, Range & date_range, Row & primary_prefix, Range & primary_range); void getIndexRanges(ASTPtr & query, Range & date_range, Row & primary_prefix, Range & primary_range);
/// Определяет, какие куски нужно объединять, и запускает их слияние в отдельном потоке. /// Определяет, какие куски нужно объединять, и запускает их слияние в отдельном потоке.
bool merge(); bool merge(bool async = true);
bool selectPartsToMerge(DataParts::iterator & left, DataParts::iterator & right); bool selectPartsToMerge(DataParts::iterator & left, DataParts::iterator & right);
void mergeImpl(DataParts::iterator left, DataParts::iterator right); void mergeImpl(DataParts::iterator left, DataParts::iterator right);

6
dbms/src/Storages/StorageMergeTree.cpp
View File

@ -1049,7 +1049,7 @@ void StorageMergeTree::clearOldParts()
} }
bool StorageMergeTree::merge() bool StorageMergeTree::merge(bool async)
{ {
DataParts::iterator left; DataParts::iterator left;
DataParts::iterator right; DataParts::iterator right;
@ -1059,7 +1059,11 @@ bool StorageMergeTree::merge()
if (selectPartsToMerge(left, right)) if (selectPartsToMerge(left, right))
{ {
if (async)
merge_thread = boost::thread(boost::bind(&StorageMergeTree::mergeImpl, this, left, right)); merge_thread = boost::thread(boost::bind(&StorageMergeTree::mergeImpl, this, left, right));
else
mergeImpl(left, right);
return true; return true;
} }