Martin Hansson 2cc1134c2c
Bug#44653: Server crash noticed when executing random queries with partitions. ...
When opening a table, it is imperative that the flag
TABLE::auto_increment_field_not_null be false. But if an error occured during
the creation of a table (e.g. the table exists already) with an auto_increment
column and a BEFORE trigger that used the INSERT ... SELECT construct, the
flag was not reset until after error checking. Thus if an error occured,
select_insert::send_data() returned immediately and it was not reset (see * in
pseudocode below). Crash happened if the table was opened again. Fixed by
resetting the flag after error checking.
nested-loops_join():
for each row in SELECT table {
select_insert::send_data():
if a values is supplied for AUTO_INCREMENT column
table->auto_increment_field_not_null= TRUE
else
table->auto_increment_field_not_null= FALSE
if (error)
return 1; *
if (table->auto_increment_field_not_null == FALSE)
...
table->auto_increment_field_not_null == FALSE
}
<-- table returned to table cache and later retrieved by open_table:
open_table():
assert(table->auto_increment_field_not_null)
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