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If one declared several continue handler for the same condition on different level of stored procedures, all of them where executed.

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Now we only execute the innermost of them (the most relevant).

The solution was to add a 'handled' marker to MYSQL_ERROR and mark all elements for which we have executed a condition handler.
When searching for new conditions, we will ignore any marked element.




.bzrignore:
  Ignore error message file
mysql-test/r/sp.result:
  Added testcase for continue handlers.
mysql-test/t/sp.test:
  Added testcase for continue handlers.
sql/sp_head.cc:
  Mark errors for which we will excute a handler as 'handled'
  Ignore already handled warnings/errors
sql/sql_error.cc:
  Add 'handled' argument to MYSQL_ERROR, so that we can mark the errors/warnings we have handled.
sql/sql_error.h:
  Add 'handled' argument to MYSQL_ERROR, so that we can mark the errors/warnings we have handled.
This commit is contained in:
Michael Widenius
2013-05-06 16:51:41 +03:00
parent aa885cea71
commit d4be9e7bc0
6 changed files with 146 additions and 3 deletions
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14
sql/sql_error.h
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@ -191,6 +191,17 @@ public:
MYSQL_ERROR::enum_warning_level get_level() const
{ return m_level; }
/** check if condition was handled by a condition handler */
bool handled() const
{
return m_handled;
}
/** mark that condition was handled */
void mark_handled()
{
m_handled= 1;
}
private:
/*
The interface of MYSQL_ERROR is mostly private, by design,
@ -306,6 +317,9 @@ private:
/** MySQL extension, MYSQL_ERRNO condition item. */
uint m_sql_errno;
/** Marker if error/warning was handled by a continue handler */
bool m_handled;
/**
SQL RETURNED_SQLSTATE condition item.
This member is always NUL terminated.