diff options
Diffstat (limited to 'sql/sql_lex.cc')
| -rw-r--r-- | sql/sql_lex.cc | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index c83c7a1c894..8d13e3c7554 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -173,7 +173,7 @@ void Lex_input_stream::body_utf8_start(THD *thd, const char *begin_ptr) } /** - The operation appends unprocessed part of pre-processed buffer till + @brief The operation appends unprocessed part of pre-processed buffer till the given pointer (ptr) and sets m_cpp_utf8_processed_ptr to end_ptr. The idea is that some tokens in the pre-processed buffer (like character @@ -1400,6 +1400,19 @@ int MYSQLlex(void *arg, void *yythd) } +/** + Construct a copy of this object to be used for mysql_alter_table + and mysql_create_table. + + Historically, these two functions modify their Alter_info + arguments. This behaviour breaks re-execution of prepared + statements and stored procedures and is compensated by always + supplying a copy of Alter_info to these functions. + + @return You need to use check the error in THD for out + of memory condition after calling this function. +*/ + Alter_info::Alter_info(const Alter_info &rhs, MEM_ROOT *mem_root) :drop_list(rhs.drop_list, mem_root), alter_list(rhs.alter_list, mem_root), |