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MDEV-10657: incorrect result returned with binary protocol (prepared statements)

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If translation table present when we materialize the derived table then
change it to point to the materialized table.

Added debug info to see really what happens with what derived.
This commit is contained in:
Oleksandr Byelkin
2017-12-20 13:52:27 +01:00
committed by Oleksandr Byelkin
parent 924db8b4ed
commit 462808f3b6
6 changed files with 96 additions and 3 deletions
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sql/table.cc
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@@ -4108,6 +4108,9 @@ bool TABLE_LIST::create_field_translation(THD *thd)
Query_arena *arena, backup;
bool res= FALSE;
DBUG_ENTER("TABLE_LIST::create_field_translation");
DBUG_PRINT("enter", ("Alias: '%s' Unit: %p",
(alias ? alias : "<NULL>"),
get_unit()));
if (thd->stmt_arena->is_conventional() ||
thd->stmt_arena->is_stmt_prepare_or_first_sp_execute())