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Merge branch '10.1' into 10.2

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This commit is contained in:
Oleksandr Byelkin
2020-05-08 13:38:36 +02:00
parent e84c62d59b 530da97c65
commit 985f63cce1
10 changed files with 526 additions and 7 deletions
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9
sql/sql_base.cc
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@ -4445,10 +4445,19 @@ bool Lock_tables_prelocking_strategy::
handle_table(THD *thd, Query_tables_list *prelocking_ctx,
TABLE_LIST *table_list, bool *need_prelocking)
{
TABLE_LIST **last= prelocking_ctx->query_tables_last;
if (DML_prelocking_strategy::handle_table(thd, prelocking_ctx, table_list,
need_prelocking))
return TRUE;
/*
normally we don't need to open FK-prelocked tables for RESTRICT,
MDL is enough. But under LOCK TABLES we have to open everything
*/
for (TABLE_LIST *tl= *last; tl; tl= tl->next_global)
tl->open_strategy= TABLE_LIST::OPEN_NORMAL;
/* We rely on a caller to check that table is going to be changed. */
DBUG_ASSERT(table_list->lock_type >= TL_WRITE_ALLOW_WRITE);