BUG#21490 - No warning issued for deprecated replication parameters

This patch deprecates the replication startup options in the configuration
file and on the command line. The options deprecated include:

MASTER_HOST, MASTER_USER, MASTER_PASSWORD, MASTER_PORT, MASTER_CONNECT_RETRY,
MASTER_SSL, MASTER_SSL_CA, MASTER_SSL_CAPATH, MASTER_SSL_CERT, MASTER_SSL_KEY,
and MASTER_SSL_CIPHER

The code is designed to print the warning message once.

1 files changed, 12 insertions, 0 deletions

diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h
index cad42320db4..06a02978994 100644
--- a/sql/mysql_priv.h
+++ b/sql/mysql_priv.h
@@ -91,6 +91,18 @@ char* query_table_status(THD *thd,const char *db,const char *table_name);
 #define PREV_BITS(type,A)	((type) (((type) 1 << (A)) -1))
 #define all_bits_set(A,B) ((A) & (B) != (B))
 
+#define WARN_DEPRECATED(Thd,Ver,Old,New)                                             \
+  do {                                                                               \
+    DBUG_ASSERT(strncmp(Ver, MYSQL_SERVER_VERSION, sizeof(Ver)-1) > 0);              \
+    if (Thd != NULL)                                                                 \
+      push_warning_printf(((THD *)Thd), MYSQL_ERROR::WARN_LEVEL_WARN,                \
+                        ER_WARN_DEPRECATED_SYNTAX, ER(ER_WARN_DEPRECATED_SYNTAX),    \
+                        (Old), (Ver), (New));                                        \
+    else                                                                             \
+      sql_print_warning("The syntax %s is deprecated and will be removed "           \
+                        "in MySQL %s. Please use %s instead.", (Old), (Ver), (New)); \
+  } while(0)
+
 extern CHARSET_INFO *system_charset_info, *files_charset_info ;
 extern CHARSET_INFO *national_charset_info, *table_alias_charset;