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Merge 10.8 into 10.9

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This commit is contained in:
Marko Mäkelä
2022-04-06 13:33:33 +03:00
parent 7ae46ced37 b2baeba415
commit 6cb6ba8b7b
94 changed files with 1043 additions and 1369 deletions
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6
sql/sql_select.cc
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@@ -27790,8 +27790,11 @@ bool mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
if (unit->is_unit_op() || unit->fake_select_lex)
{
ulonglong save_options= 0;
if (unit->union_needs_tmp_table() && unit->fake_select_lex)
{
save_options= unit->fake_select_lex->options;
unit->fake_select_lex->select_number= FAKE_SELECT_LEX_ID; // just for initialization
unit->fake_select_lex->type= unit_operation_text[unit->common_op()];
unit->fake_select_lex->options|= SELECT_DESCRIBE;
@@ -27802,6 +27805,9 @@ bool mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
if (!is_pushed_union)
res= unit->exec();
}
if (unit->union_needs_tmp_table() && unit->fake_select_lex)
unit->fake_select_lex->options= save_options;
}
else
{