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MDEV-9058: protocol: COM_MULTI command (part 3)

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Support of "previuousely used statement ID".
All IDs with highest bit ON reserved for special use.
This commit is contained in:
Oleksandr Byelkin
2016-01-07 16:00:02 +01:00
parent fd1b7d0f59
commit 2f7b6c5751
6 changed files with 30 additions and 5 deletions
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4
sql/sql_prepare.h
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@ -18,6 +18,10 @@
#include "sql_error.h"
#define LAST_STMT_ID 0xFFFFFFFF
#define STMT_ID_MASK 0x7FFFFFFF
class THD;
struct LEX;