From 4c5003b3b9fc593ccbb031ec4e4e30cec081b13d Mon Sep 17 00:00:00 2001
From: Nikita Vasilev <nekitvas@gmail.com>
Date: Sun, 28 Jul 2019 14:45:50 +0300
Subject: [PATCH] const &

---
 dbms/src/Storages/MergeTree/IMergedBlockOutputStream.cpp     | 2 +-
 dbms/src/Storages/MergeTree/IMergedBlockOutputStream.h       | 2 +-
 dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp      | 4 ++--
 dbms/src/Storages/MergeTree/MergedBlockOutputStream.h        | 4 ++--
 dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.cpp | 2 +-
 dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.h   | 2 +-
 6 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.cpp b/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.cpp
index a7475ae7c18..8321d7dc8b2 100644
--- a/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.cpp
+++ b/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.cpp
@@ -18,7 +18,7 @@ namespace
 
 IMergedBlockOutputStream::IMergedBlockOutputStream(
     MergeTreeData & storage_,
-    String part_path_,
+    const String & part_path_,
     size_t min_compress_block_size_,
     size_t max_compress_block_size_,
     CompressionCodecPtr codec_,
diff --git a/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.h b/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.h
index 276a5c37d17..f1fbb058436 100644
--- a/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.h
+++ b/dbms/src/Storages/MergeTree/IMergedBlockOutputStream.h
@@ -16,7 +16,7 @@ class IMergedBlockOutputStream : public IBlockOutputStream
 public:
     IMergedBlockOutputStream(
         MergeTreeData & storage_,
-        String part_path_,
+        const String & part_path_,
         size_t min_compress_block_size_,
         size_t max_compress_block_size_,
         CompressionCodecPtr default_codec_,
diff --git a/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp b/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp
index 703cf0dd01b..b923337d71a 100644
--- a/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp
@@ -21,7 +21,7 @@ namespace ErrorCodes
 
 MergedBlockOutputStream::MergedBlockOutputStream(
     MergeTreeData & storage_,
-    String part_path_,
+    const String & part_path_,
     const NamesAndTypesList & columns_list_,
     CompressionCodecPtr default_codec_,
     bool blocks_are_granules_size_)
@@ -44,7 +44,7 @@ MergedBlockOutputStream::MergedBlockOutputStream(
 
 MergedBlockOutputStream::MergedBlockOutputStream(
     MergeTreeData & storage_,
-    String part_path_,
+    const String & part_path_,
     const NamesAndTypesList & columns_list_,
     CompressionCodecPtr default_codec_,
     const MergeTreeData::DataPart::ColumnToSize & merged_column_to_size_,
diff --git a/dbms/src/Storages/MergeTree/MergedBlockOutputStream.h b/dbms/src/Storages/MergeTree/MergedBlockOutputStream.h
index 4efb5b528a0..ff45934f106 100644
--- a/dbms/src/Storages/MergeTree/MergedBlockOutputStream.h
+++ b/dbms/src/Storages/MergeTree/MergedBlockOutputStream.h
@@ -15,14 +15,14 @@ class MergedBlockOutputStream final : public IMergedBlockOutputStream
 public:
     MergedBlockOutputStream(
         MergeTreeData & storage_,
-        String part_path_,
+        const String & part_path_,
         const NamesAndTypesList & columns_list_,
         CompressionCodecPtr default_codec_,
         bool blocks_are_granules_size_ = false);
 
     MergedBlockOutputStream(
         MergeTreeData & storage_,
-        String part_path_,
+        const String & part_path_,
         const NamesAndTypesList & columns_list_,
         CompressionCodecPtr default_codec_,
         const MergeTreeData::DataPart::ColumnToSize & merged_column_to_size_,
diff --git a/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.cpp b/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.cpp
index 129a84d1e76..a694d509b68 100644
--- a/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.cpp
@@ -4,7 +4,7 @@ namespace DB
 {
 
 MergedColumnOnlyOutputStream::MergedColumnOnlyOutputStream(
-    MergeTreeData & storage_, const Block & header_, String part_path_, bool sync_,
+    MergeTreeData & storage_, const Block & header_, const String & part_path_, bool sync_,
     CompressionCodecPtr default_codec_, bool skip_offsets_,
     const std::vector<MergeTreeIndexPtr> & indices_to_recalc,
     WrittenOffsetColumns & already_written_offset_columns,
diff --git a/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.h b/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.h
index 7daaf03fd66..adf5d7f7bfd 100644
--- a/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.h
+++ b/dbms/src/Storages/MergeTree/MergedColumnOnlyOutputStream.h
@@ -13,7 +13,7 @@ public:
     /// Pass empty 'already_written_offset_columns' first time then and pass the same object to subsequent instances of MergedColumnOnlyOutputStream
     ///  if you want to serialize elements of Nested data structure in different instances of MergedColumnOnlyOutputStream.
     MergedColumnOnlyOutputStream(
-        MergeTreeData & storage_, const Block & header_, String part_path_, bool sync_,
+        MergeTreeData & storage_, const Block & header_, const String & part_path_, bool sync_,
         CompressionCodecPtr default_codec_, bool skip_offsets_,
         const std::vector<MergeTreeIndexPtr> & indices_to_recalc,
         WrittenOffsetColumns & already_written_offset_columns,