mariadb/mysql-test/suite/storage_engine/update_with_keys.test

# 
# UPDATE statements for tables with keys
#
--source have_engine.inc
--source have_default_index.inc


--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

--let $create_definition = a $int_col, b $char_col, INDEX(b)
--source create_table.inc
if ($mysql_errname)
{
  --let $my_last_stmt = $create_statement
  --let $functionality = Non-unique keys
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'),(6,'x'),(7,'y'),(8,'z');
  UPDATE t1 SET a=100, b='f' WHERE b IN ('b','c');
  if ($mysql_errname)
  {
    --let $functionality = UPDATE
    --source unexpected_result.inc
  }
  if (!$mysql_errname)
  {
    UPDATE t1 SET b='m' WHERE b = 'f';
    UPDATE t1 SET b='z' WHERE a < 2;
    UPDATE t1 SET b='';
    --sorted_result
    SELECT a,b FROM t1;
  }
  DROP TABLE t1;
}

--let $create_definition = a $int_col, b $char_col, UNIQUE INDEX(a)
--source create_table.inc
if ($mysql_errname)
{
  --let $my_last_stmt = $create_statement
  --let $functionality = Unique keys
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'),(0,'f'),(100,'a');
  UPDATE t1 SET a=a+200;
  if ($mysql_errname)
  {
    --let $functionality = UPDATE
    --source unexpected_result.inc
  }
  if (!$mysql_errname)
  {
    UPDATE t1 SET a=0 WHERE a > 250;
    --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
    UPDATE t1 SET a=205 WHERE a=200;
    --source check_errors.inc
    UPDATE t1 SET a=12345 ORDER BY a, b LIMIT 1;
    --sorted_result
    SELECT a,b FROM t1;
    
    # We'll check that the next update causes an error,
    # but won't check the result because it might be different depending
    # on whether the engine is transactional or not
    --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
    UPDATE t1 SET a=80 WHERE a IN (202,203);
    --source check_errors.inc
  }
  DROP TABLE t1;
}

--let $create_definition = a $int_col, b $char_col, UNIQUE INDEX(a,b)
--source create_table.inc
if ($mysql_errname)
{
  --let $my_last_stmt = $create_statement
  --let $functionality = Unique keys or multi-part keys
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'),(100,'a'),(6,'f');
  UPDATE t1 SET a=6 WHERE a=3; 
  if ($mysql_errname)
  {
    --let $functionality = UPDATE
    --source unexpected_result.inc
  }
  if (!$mysql_errname)
  {
    --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
    UPDATE t1 SET a=100 WHERE a=1;
    --source check_errors.inc
    --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
    UPDATE t1 SET a=4, b='d' WHERE b='f';
    --source check_errors.inc
    UPDATE t1 SET a=a+1;
    --sorted_result
    SELECT a,b FROM t1;
    --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
    UPDATE t1 SET b='z';
    --source check_errors.inc
  }
  DROP TABLE t1;
}

--let $create_definition = a $int_col PRIMARY KEY, b $char_col
--source create_table.inc
if ($mysql_errname)
{
  --let $my_last_stmt = $create_statement
  --let $functionality = Primary key
  --source unexpected_result.inc
}
if (!$mysql_errname)
{
  INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'),(0,'f'),(100,'a');
  UPDATE t1 SET a=a+200;
  if ($mysql_errname)
  {
    --let $functionality = UPDATE
    --source unexpected_result.inc
  }
  if (!$mysql_errname)
  {
    UPDATE t1 SET a=0 WHERE a > 250;
    --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
    UPDATE t1 SET a=205 WHERE a=200;
    --source check_errors.inc
    UPDATE t1 SET a=12345 ORDER BY a DESC, b LIMIT 1;

    --sorted_result
    SELECT a,b FROM t1;

    # We'll check that the next update causes an error,
    # but won't check the result because it might be different depending
    # on whether the engine is transactional or not

    --let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
    UPDATE t1 SET a=80 WHERE a IN (202,203);
    --source check_errors.inc
  }
  DROP TABLE t1;
}  

--source cleanup_engine.inc