Remove code related to InnoDB native partitioning in MySQL 5.7

row_rename_partitions_for_mysql(): Remove. This should only be relevant
in an upgrade into MySQL 5.7, which has InnoDB native partitioning.

storage/innobase/handler/ha_innodb.cc

@@ -13762,26 +13762,6 @@ innobase_rename_table(
 
 	error = row_rename_table_for_mysql(norm_from, norm_to, trx, TRUE);
 
-	if (error == DB_TABLE_NOT_FOUND) {
-		/* May be partitioned table, which consists of partitions
-		named table_name#P#partition_name[#SP#subpartition_name].
-
-		We are doing a DDL operation. */
-		++trx->will_lock;
-		trx_set_dict_operation(trx, TRX_DICT_OP_INDEX);
-		trx_start_if_not_started(trx, true);
-		error = row_rename_partitions_for_mysql(norm_from, norm_to,
-							trx);
-		if (error == DB_TABLE_NOT_FOUND) {
-			ib::error() << "Table " << ut_get_name(trx, norm_from)
-				<< " does not exist in the InnoDB internal"
-				" data dictionary though MariaDB is trying to"
-				" rename the table. Have you copied the .frm"
-				" file of the table to the MariaDB database"
-				" directory from another database? "
-				<< TROUBLESHOOTING_MSG;
-		}
-	}
 	if (error != DB_SUCCESS) {
 		if (error == DB_TABLE_NOT_FOUND
 		    && innobase_get_lower_case_table_names() == 1) {

storage/innobase/include/row0mysql.h

@@ -494,18 +494,6 @@ row_rename_table_for_mysql(
 	bool		commit)		/*!< in: whether to commit trx */
 	MY_ATTRIBUTE((nonnull, warn_unused_result));
 
-/** Renames a partitioned table for MySQL.
-@param[in]	old_name	Old table name.
-@param[in]	new_name	New table name.
-@param[in,out]	trx		Transaction.
-@return error code or DB_SUCCESS */
-dberr_t
-row_rename_partitions_for_mysql(
-	const char*	old_name,
-	const char*	new_name,
-	trx_t*		trx)
-	MY_ATTRIBUTE((nonnull, warn_unused_result));
-
 /*********************************************************************//**
 Scans an index for either COOUNT(*) or CHECK TABLE.
 If CHECK TABLE; Checks that the index contains entries in an ascending order,

storage/innobase/row/row0mysql.cc

@@ -4837,59 +4837,6 @@ row_rename_table_for_mysql(
 	return(err);
 }
 
-/** Renames a partitioned table for MySQL.
-@param[in]	old_name	Old table name.
-@param[in]	new_name	New table name.
-@param[in,out]	trx		Transaction.
-@return error code or DB_SUCCESS */
-dberr_t
-row_rename_partitions_for_mysql(
-	const char*	old_name,
-	const char*	new_name,
-	trx_t*		trx)
-{
-	char		from_name[FN_REFLEN];
-	char		to_name[FN_REFLEN];
-	ulint		from_len = strlen(old_name);
-	ulint		to_len = strlen(new_name);
-	char*		table_name;
-	dberr_t		error = DB_TABLE_NOT_FOUND;
-
-	ut_a(from_len < (FN_REFLEN - 4));
-	ut_a(to_len < (FN_REFLEN - 4));
-	memcpy(from_name, old_name, from_len);
-	from_name[from_len] = '#';
-	from_name[from_len + 1] = 0;
-	while ((table_name = dict_get_first_table_name_in_db(from_name))) {
-		ut_a(memcmp(table_name, from_name, from_len) == 0);
-		/* Must match #[Pp]#<partition_name> */
-		if (strlen(table_name) <= (from_len + 3)
-		    || table_name[from_len] != '#'
-		    || table_name[from_len + 2] != '#'
-		    || (table_name[from_len + 1] != 'P'
-			&& table_name[from_len + 1] != 'p')) {
-
-			ut_ad(0);
-			ut_free(table_name);
-			continue;
-		}
-		memcpy(to_name, new_name, to_len);
-		memcpy(to_name + to_len, table_name + from_len,
-			strlen(table_name) - from_len + 1);
-		error = row_rename_table_for_mysql(table_name, to_name,
-						trx, false);
-		if (error != DB_SUCCESS) {
-			/* Rollback and return. */
-			trx_rollback_for_mysql(trx);
-			ut_free(table_name);
-			return(error);
-		}
-		ut_free(table_name);
-	}
-	trx_commit_for_mysql(trx);
-	return(error);
-}
-
 /*********************************************************************//**
 Scans an index for either COUNT(*) or CHECK TABLE.
 If CHECK TABLE; Checks that the index contains entries in an ascending order,