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authorRucha Deodhar <rucha.deodhar@mariadb.com>2021-02-15 01:39:37 +0530
committerRucha Deodhar <rucha.deodhar@mariadb.com>2021-03-16 21:11:21 +0530
commite15a5ca9e89153db7cc9ce978bb789a4038b7c25 (patch)
tree9c33fb2d815210f032e887af5da0f28c9d8c5301 /sql/sys_vars.cc
parenta1542f8a57390bbad916ddfd335e1c751ffb3de5 (diff)
downloadmariadb-git-e15a5ca9e89153db7cc9ce978bb789a4038b7c25.tar.gz
MDEV-8334: Rename utf8 to utf8mb310.6-rucha-mdev-8334
This patch changes the main name of 3 byte character set from utf8 to utf8mb3. New old_mode UTF8_IS_UTF8MB3 is added and set TRUE by default, so that utf8 would mean utf8mb3. If not set, utf8 would mean utf8mb4.
Diffstat (limited to 'sql/sys_vars.cc')
-rw-r--r--sql/sys_vars.cc16
1 files changed, 12 insertions, 4 deletions
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc
index a75066271d9..2917dc517d0 100644
--- a/sql/sys_vars.cc
+++ b/sql/sys_vars.cc
@@ -760,8 +760,11 @@ static bool check_charset(sys_var *self, THD *thd, set_var *var)
{
ErrConvString err(res); /* Get utf8 '\0' terminated string */
if (!(var->save_result.ptr= get_charset_by_csname(err.ptr(),
- MY_CS_PRIMARY,
- MYF(0))) &&
+ MY_CS_PRIMARY,
+ thd->variables.old_behavior &
+ OLD_MODE_UTF8_IS_UTF8MB3 ?
+ MYF(MY_UTF8_IS_UTF8MB3) :
+ MYF(0))) &&
!(var->save_result.ptr= get_old_charset_by_name(err.ptr())))
{
my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), err.ptr());
@@ -885,7 +888,11 @@ static bool check_collation_not_null(sys_var *self, THD *thd, set_var *var)
else
{
ErrConvString err(res); /* Get utf8 '\0'-terminated string */
- if (!(var->save_result.ptr= get_charset_by_name(err.ptr(), MYF(0))))
+ if (!(var->save_result.ptr= get_charset_by_name(err.ptr(),
+ thd->variables.old_behavior &
+ OLD_MODE_UTF8_IS_UTF8MB3 ?
+ MYF(MY_UTF8_IS_UTF8MB3) :
+ MYF(0))))
{
my_error(ER_UNKNOWN_COLLATION, MYF(0), err.ptr());
return true;
@@ -3694,6 +3701,7 @@ static const char *old_mode_names[]=
"NO_DUP_KEY_WARNINGS_WITH_IGNORE",
"NO_PROGRESS_INFO",
"ZERO_DATE_TIME_CAST",
+ "UTF8_IS_UTF8MB3",
0
};
@@ -3705,7 +3713,7 @@ static Sys_var_set Sys_old_behavior(
"old_mode",
"Used to emulate old behavior from earlier MariaDB or MySQL versions",
SESSION_VAR(old_behavior), CMD_LINE(REQUIRED_ARG),
- old_mode_names, DEFAULT(0));
+ old_mode_names, DEFAULT(OLD_MODE_UTF8_IS_UTF8MB3));
#if defined(HAVE_OPENSSL) && !defined(EMBEDDED_LIBRARY)
#define SSL_OPT(X) CMD_LINE(REQUIRED_ARG,X)