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remove always-false variable

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This commit is contained in:
Sergei Golubchik
2018-02-22 00:57:49 +01:00
parent 5fb08323e1
commit b9c70b889c
1 changed files with 2 additions and 5 deletions
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7
sql/sql_select.cc
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@ -843,10 +843,7 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables, COND **where_expr
Item *row_end=
newx Item_field(thd, &this->context, table->db.str, table->alias.str, fend);
bool tmp_from_ib=
table->table->s->table_category == TABLE_CATEGORY_TEMPORARY &&
table->table->vers_start_field()->type() == MYSQL_TYPE_LONGLONG;
bool timestamps_only= table->table->versioned(VERS_TIMESTAMP) && !tmp_from_ib;
bool timestamps_only= table->table->versioned(VERS_TIMESTAMP);
if (vers_conditions)
{
@ -868,7 +865,7 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables, COND **where_expr
// have uint64 type of sys_trx_(start|end) field.
// They need special handling.
TABLE *t= table->table;
if (tmp_from_ib || t->versioned(VERS_TIMESTAMP) ||
if (t->versioned(VERS_TIMESTAMP) ||
thd->variables.vers_innodb_algorithm_simple)
{
if (vers_conditions)