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row0purge.c, row0mysql.c, os0file.c, os0file.h, fil0fil.h, fil0fil.c:

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IMPORT TABLESPACE must reset lsns if they are too high
ha_innodb.cc:
  DISCARD/IMPORT TABLESPACE must have a TL_WRITE lock on the table
This commit is contained in:
heikki@hundin.mysql.fi
2003-10-14 14:53:16 +03:00
parent f77336e69d
commit d3827c1b22
7 changed files with 250 additions and 11 deletions
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45
innobase/row/row0mysql.c
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@@ -1871,6 +1871,16 @@ row_discard_tablespace_for_mysql(
goto funct_exit;
}
if (table->space == 0) {
ut_print_timestamp(stderr);
fprintf(stderr,
" InnoDB: Error: table %s\n"
"InnoDB: is in the system tablespace 0 which cannot be discarded\n", name);
err = DB_ERROR;
goto funct_exit;
}
new_id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID);
sprintf(buf,
@@ -1967,6 +1977,7 @@ row_import_tablespace_for_mysql(
{
dict_table_t* table;
ibool success;
dulint current_lsn;
ulint err = DB_SUCCESS;
ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
@@ -1975,6 +1986,30 @@ row_import_tablespace_for_mysql(
trx->op_info = (char*) "importing tablespace";
current_lsn = log_get_lsn();
/* It is possible, though very improbable, that the lsn's in the
tablespace to be imported have risen above the current system lsn, if
a lengthy purge, ibuf merge, or rollback was performed on a backup
taken with ibbackup. If that is the case, reset page lsn's in the
file. We assume that mysqld was shut down after it performed these
cleanup operations on the .ibd file, so that it stamped the latest lsn
to the FIL_PAGE_FILE_FLUSH_LSN in the first page of the .ibd file.
TODO: reset also the trx id's in clustered index records and write
a new space id to each data page. That would allow us to import clean
.ibd files from another MySQL installation. */
success = fil_reset_too_high_lsns(name, current_lsn);
if (!success) {
err = DB_ERROR;
row_mysql_lock_data_dictionary(trx);
goto funct_exit;
}
/* Serialize data dictionary operations with dictionary mutex:
no deadlocks can occur then in these operations */
@@ -1988,6 +2023,16 @@ row_import_tablespace_for_mysql(
goto funct_exit;
}
if (table->space == 0) {
ut_print_timestamp(stderr);
fprintf(stderr,
" InnoDB: Error: table %s\n"
"InnoDB: is in the system tablespace 0 which cannot be imported\n", name);
err = DB_ERROR;
goto funct_exit;
}
if (!table->tablespace_discarded) {
ut_print_timestamp(stderr);
fprintf(stderr,