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-rw-r--r--sql/sql_string.h31
1 files changed, 9 insertions, 22 deletions
diff --git a/sql/sql_string.h b/sql/sql_string.h
index eb69d21eaeb..4eeac0a8a82 100644
--- a/sql/sql_string.h
+++ b/sql/sql_string.h
@@ -30,6 +30,13 @@
#include "sql_list.h"
class String;
+#ifdef MYSQL_SERVER
+extern PSI_memory_key key_memory_String_value;
+#define STRING_PSI_MEMORY_KEY key_memory_String_value
+#else
+#define STRING_PSI_MEMORY_KEY PSI_NOT_INSTRUMENTED
+#endif
+
typedef struct st_io_cache IO_CACHE;
typedef struct st_mem_root MEM_ROOT;
@@ -659,28 +666,8 @@ public:
return realloc_with_extra(arg_length);
}
// Shrink the buffer, but only if it is allocated on the heap.
- inline void shrink(size_t arg_length)
- {
- if (!is_alloced())
- return;
- if (ALIGN_SIZE(arg_length+1) < Alloced_length)
- {
- char *new_ptr;
- if (unlikely(!(new_ptr=(char*)
- my_realloc(Ptr,
- arg_length,MYF((thread_specific ?
- MY_THREAD_SPECIFIC : 0))))))
- {
- Alloced_length= 0;
- real_alloc(arg_length);
- }
- else
- {
- Ptr= new_ptr;
- Alloced_length= (uint32) arg_length;
- }
- }
- }
+ void shrink(size_t arg_length);
+
void move(Binary_string &s)
{
set_alloced(s.Ptr, s.str_length, s.Alloced_length);