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MDEV-14631 Assertion `!sys_trx_start && !sys_trx_end' failed in crete_tmp_table

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SQL: remove unneeded assertion
SQL: disallow set sys_trx fields in INSERT ... SELECT

Fixes by @midenok.
This commit is contained in:
Eugene Kosov
2017-12-12 22:33:49 +03:00
committed by Aleksey Midenkov
parent c66a20b494
commit 717f274b87
7 changed files with 47 additions and 40 deletions
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4
sql/sql_select.cc
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@ -17632,10 +17632,6 @@ create_tmp_table(THD *thd, TMP_TABLE_PARAM *param, List<Item> &fields,
share->row_start_field= sys_trx_start->field_index;
share->row_end_field= sys_trx_end->field_index;
}
else
{
DBUG_ASSERT(!sys_trx_start && !sys_trx_end);
}
DBUG_ASSERT(fieldnr == (uint) (reg_field - table->field));
DBUG_ASSERT(field_count >= (uint) (reg_field - table->field));