Fix for bug#38821: Assert table->auto_increment_field_not_null failed

in open_table()

Problem: repeating "CREATE... ( AUTOINCREMENT) ... SELECT" may lead to
an assertion failure.

Fix: reset table->auto_increment_field_not_null after each record 
writing.


mysql-test/r/create.result:
  Fix for bug#38821: Assert table->auto_increment_field_not_null failed 
  in open_table()
    - test result.
mysql-test/t/create.test:
  Fix for bug#38821: Assert table->auto_increment_field_not_null failed 
  in open_table()
    - test case.
sql/sql_insert.cc:
  Fix for bug#38821: Assert table->auto_increment_field_not_null failed 
  in open_table()
    - reset table->auto_increment_field_not_null after writing a record
  for "{CREATE, INSERT}..SELECT".

1 files changed, 11 insertions, 0 deletions

diff --git a/mysql-test/r/create.result b/mysql-test/r/create.result
index 53c2058f3ec..2d668499df3 100644
--- a/mysql-test/r/create.result
+++ b/mysql-test/r/create.result
@@ -1546,4 +1546,15 @@ SHOW INDEX FROM t1;
 Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
 t1	1	c1	1	c1	A	NULL	NULL	NULL	YES	BTREE	
 DROP TABLE t1;
+CREATE TABLE t1 (a INTEGER AUTO_INCREMENT PRIMARY KEY, b INTEGER NOT NULL);
+INSERT IGNORE INTO t1 (b) VALUES (5);
+CREATE TABLE IF NOT EXISTS t2 (a INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY)
+SELECT a FROM t1;
+CREATE TABLE IF NOT EXISTS t2 (a INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY)
+SELECT a FROM t1;
+ERROR 23000: Duplicate entry '1' for key 1
+CREATE TABLE IF NOT EXISTS t2 (a INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY)
+SELECT a FROM t1;
+ERROR 23000: Duplicate entry '1' for key 1
+DROP TABLE t1, t2;
 End of 5.0 tests