diff options
Diffstat (limited to 'storage/innobase/row/row0mysql.c')
| -rw-r--r-- | storage/innobase/row/row0mysql.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/storage/innobase/row/row0mysql.c b/storage/innobase/row/row0mysql.c index 6148b01af9d..e8b3c485b0e 100644 --- a/storage/innobase/row/row0mysql.c +++ b/storage/innobase/row/row0mysql.c @@ -31,6 +31,8 @@ Created 9/17/2000 Heikki Tuuri #include "btr0sea.h" #include "fil0fil.h" #include "ibuf0ibuf.h" +#include "m_string.h" +#include "my_sys.h" /* A dummy variable used to fool the compiler */ ibool row_mysql_identically_false = FALSE; @@ -1373,6 +1375,8 @@ row_update_for_mysql( return(DB_ERROR); } + DEBUG_SYNC_C("innodb_row_update_for_mysql_begin"); + trx->op_info = "updating or deleting"; row_mysql_delay_if_needed(); @@ -3652,6 +3656,7 @@ row_rename_table_for_mysql( ulint n_constraints_to_drop = 0; ibool old_is_tmp, new_is_tmp; pars_info_t* info = NULL; + ulint retry = 0; ut_ad(trx->mysql_thread_id == os_thread_get_curr_id()); ut_a(old_name != NULL); @@ -3750,6 +3755,25 @@ row_rename_table_for_mysql( } } + /* Is a foreign key check running on this table? */ + for (retry = 0; retry < 100 + && table->n_foreign_key_checks_running > 0; ++retry) { + row_mysql_unlock_data_dictionary(trx); + os_thread_yield(); + row_mysql_lock_data_dictionary(trx); + } + + if (table->n_foreign_key_checks_running > 0) { + ut_print_timestamp(stderr); + fputs(" InnoDB: Error: in ALTER TABLE ", stderr); + ut_print_name(stderr, trx, TRUE, old_name); + fprintf(stderr, "\n" + "InnoDB: a FOREIGN KEY check is running.\n" + "InnoDB: Cannot rename table.\n"); + err = DB_TABLE_IN_FK_CHECK; + goto funct_exit; + } + /* We use the private SQL parser of Innobase to generate the query graphs needed in deleting the dictionary data from system tables in Innobase. Deleting a row from SYS_INDEXES table also frees the file |