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Fixed BUG#14376: MySQL crash on scoped variable (re)initialization

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Added finer scope control for default clauses of local variable
  declarations.
This commit is contained in:
pem@mysql.com 2005-11-01 14:58:52 +01:00
commit 4e9e038ff9
5 changed files with 100 additions and 3 deletions
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5
sql/sp_pcontext.cc
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@ -52,7 +52,7 @@ sp_cond_check(LEX_STRING *sqlstate)
sp_pcontext::sp_pcontext(sp_pcontext *prev)
: Sql_alloc(), m_psubsize(0), m_csubsize(0), m_hsubsize(0),
m_handlers(0), m_parent(prev)
m_handlers(0), m_parent(prev), m_pboundary(0)
{
VOID(my_init_dynamic_array(&m_pvar, sizeof(sp_pvar_t *), 16, 8));
VOID(my_init_dynamic_array(&m_cond, sizeof(sp_cond_type_t *), 16, 8));
@ -150,7 +150,7 @@ sp_pcontext::diff_cursors(sp_pcontext *ctx)
sp_pvar_t *
sp_pcontext::find_pvar(LEX_STRING *name, my_bool scoped)
{
uint i= m_pvar.elements;
uint i= m_pboundary;
while (i--)
{
@ -186,6 +186,7 @@ sp_pcontext::push_pvar(LEX_STRING *name, enum enum_field_types type,
p->offset= current_pvars();
p->dflt= NULL;
insert_dynamic(&m_pvar, (gptr)&p);
m_pboundary= m_pvar.elements;
}
}