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Merge 10.1 into 10.2

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This commit is contained in:
Marko Mäkelä
2019-03-12 13:11:07 +02:00
parent 69abd43703 32de60bb2e
commit e374755bae
5 changed files with 48 additions and 24 deletions
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20
sql/sql_table.cc
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@ -9547,6 +9547,8 @@ do_continue:;
new_table->file->get_foreign_key_list(thd, &fk_list);
while ((fk= fk_list_it++))
{
MDL_request mdl_request;
if (lower_case_table_names)
{
char buf[NAME_LEN];
@ -9558,20 +9560,14 @@ do_continue:;
len = my_casedn_str(files_charset_info, buf);
thd->make_lex_string(fk->referenced_table, buf, len);
}
if (table_already_fk_prelocked(table_list, fk->referenced_db,
fk->referenced_table, TL_READ_NO_INSERT))
continue;
TABLE_LIST *tl= (TABLE_LIST *) thd->alloc(sizeof(TABLE_LIST));
tl->init_one_table_for_prelocking(fk->referenced_db->str, fk->referenced_db->length,
fk->referenced_table->str, fk->referenced_table->length,
NULL, TL_READ_NO_INSERT, false, NULL, 0,
&thd->lex->query_tables_last);
mdl_request.init(MDL_key::TABLE,
fk->referenced_db->str, fk->referenced_table->str,
MDL_SHARED_NO_WRITE, MDL_TRANSACTION);
if (thd->mdl_context.acquire_lock(&mdl_request,
thd->variables.lock_wait_timeout))
goto err_new_table_cleanup;
}
if (open_tables(thd, &table_list->next_global, &tables_opened, 0,
&alter_prelocking_strategy))
goto err_new_table_cleanup;
}
}