fix string size

Signed-off-by: guo-shaoge <[email protected]>
pingcap · Jan 14, 2025 · 8bbb062 · 8bbb062
1 parent e500a81
commit 8bbb062
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/dbms/src/Columns/ColumnString.h b/dbms/src/Columns/ColumnString.h
@@ -266,7 +266,7 @@ class ColumnString final : public COWPtrHelper<IColumn, ColumnString>
         const TiDB::TiDBCollatorPtr & collator,
         String & sort_key_container) const override
     {
-        size_t string_size = sizeAt(n);
+        auto string_size = static_cast<UInt32>(sizeAt(n));
         size_t offset = offsetAt(n);
         const void * src = &chars[offset];
 
@@ -277,7 +277,7 @@ class ColumnString final : public COWPtrHelper<IColumn, ColumnString>
             // Skip last zero byte.
             auto sort_key
                 = collator->sortKeyFastPath(reinterpret_cast<const char *>(src), string_size - 1, sort_key_container);
-            string_size = sort_key.size;
+            string_size = static_cast<UInt32>(sort_key.size);
             src = sort_key.data;
         }
         res.size = sizeof(string_size) + string_size;
@@ -290,7 +290,8 @@ class ColumnString final : public COWPtrHelper<IColumn, ColumnString>
 
     inline const char * deserializeAndInsertFromArena(const char * pos, const TiDB::TiDBCollatorPtr & collator) override
     {
-        const size_t string_size = *reinterpret_cast<const size_t *>(pos);
+        // const size_t string_size = *reinterpret_cast<const size_t *>(pos);
+        const UInt32 string_size = *reinterpret_cast<const UInt32 *>(pos);
         pos += sizeof(string_size);
         if (likely(collator != nullptr))
             insertData(pos, string_size);