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MDEV-15530: Variable replicate_rewrite_db cannot be found in "show global variables"

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- Add `replicate_rewrite_db` status variable, that may accept comma
separated key-value pairs.
- Note that option `OPT_REPLICATE_REWRITE_DB` already existed in `mysqld.h`
  from this commit 23d8586dbf

Reviewer:Brandon Nesterenko <brandon.nesterenko@mariadb.com>
This commit is contained in:
Anel Husakovic
2022-08-09 13:50:12 +02:00
committed by Brandon Nesterenko
parent ccf0e27f28
commit 1a057a923b
30 changed files with 936 additions and 141 deletions
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38
sql/mysqld.cc
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@@ -8091,45 +8091,11 @@ mysqld_get_one_option(const struct my_option *opt, const char *argument,
case (int)OPT_REPLICATE_REWRITE_DB:
{
/* See also OPT_REWRITE_DB handling in client/mysqlbinlog.cc */
const char* key= argument, *ptr, *val;
// Skipp pre-space in key
while (*key && my_isspace(mysqld_charset, *key))
key++;
// Where val begins
if (!(ptr= strstr(key, "->")))
if (cur_rpl_filter->add_rewrite_db(argument))
{
sql_print_error("Bad syntax in replicate-rewrite-db: missing '->'");
sql_print_error("Bad syntax in replicate-rewrite-db.Expected syntax is FROM->TO.");
return 1;
}
val= ptr+2;
// Skip blanks at the end of key
while (ptr > key && my_isspace(mysqld_charset, ptr[-1]))
ptr--;
if (ptr == key)
{
sql_print_error("Bad syntax in replicate-rewrite-db - empty FROM db");
return 1;
}
key= strmake_root(&startup_root, key, (size_t) (ptr-key));
/* Skipp pre space in value */
while (*val && my_isspace(mysqld_charset, *val))
val++;
// Value ends with \0 or space
for (ptr= val; *ptr && !my_isspace(&my_charset_latin1, *ptr) ; ptr++)
{}
if (ptr == val)
{
sql_print_error("Bad syntax in replicate-rewrite-db - empty TO db");
return 1;
}
val= strmake_root(&startup_root, val, (size_t) (ptr-val));
cur_rpl_filter->add_db_rewrite(key, val);
break;
}
case (int)OPT_SLAVE_PARALLEL_MODE: