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Kirill Smelkov
mariadb
Commits
ed6e09a3
Commit
ed6e09a3
authored
Dec 02, 2005
by
pem@mysql.com
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Post-review fixes for BUG#14376: MySQL crash on scoped variable (re)initialization
parent
c4c2dc07
Changes
2
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2 changed files
with
10 additions
and
10 deletions
+10
-10
sql/sp_pcontext.cc
sql/sp_pcontext.cc
+1
-2
sql/sp_pcontext.h
sql/sp_pcontext.h
+9
-8
No files found.
sql/sp_pcontext.cc
View file @
ed6e09a3
...
@@ -150,7 +150,7 @@ sp_pcontext::diff_cursors(sp_pcontext *ctx)
...
@@ -150,7 +150,7 @@ sp_pcontext::diff_cursors(sp_pcontext *ctx)
sp_pvar_t
*
sp_pvar_t
*
sp_pcontext
::
find_pvar
(
LEX_STRING
*
name
,
my_bool
scoped
)
sp_pcontext
::
find_pvar
(
LEX_STRING
*
name
,
my_bool
scoped
)
{
{
uint
i
=
m_pboundary
;
uint
i
=
m_p
var
.
elements
-
m_p
boundary
;
while
(
i
--
)
while
(
i
--
)
{
{
...
@@ -186,7 +186,6 @@ sp_pcontext::push_pvar(LEX_STRING *name, enum enum_field_types type,
...
@@ -186,7 +186,6 @@ sp_pcontext::push_pvar(LEX_STRING *name, enum enum_field_types type,
p
->
offset
=
current_pvars
();
p
->
offset
=
current_pvars
();
p
->
dflt
=
NULL
;
p
->
dflt
=
NULL
;
insert_dynamic
(
&
m_pvar
,
(
gptr
)
&
p
);
insert_dynamic
(
&
m_pvar
,
(
gptr
)
&
p
);
m_pboundary
=
m_pvar
.
elements
;
}
}
}
}
...
...
sql/sp_pcontext.h
View file @
ed6e09a3
...
@@ -164,7 +164,6 @@ class sp_pcontext : public Sql_alloc
...
@@ -164,7 +164,6 @@ class sp_pcontext : public Sql_alloc
{
{
while
(
num
--
)
while
(
num
--
)
pop_dynamic
(
&
m_pvar
);
pop_dynamic
(
&
m_pvar
);
m_pboundary
=
m_pvar
.
elements
;
}
}
// Find by name
// Find by name
...
@@ -184,12 +183,14 @@ class sp_pcontext : public Sql_alloc
...
@@ -184,12 +183,14 @@ class sp_pcontext : public Sql_alloc
return
p
;
return
p
;
}
}
// Set the current scope boundary (for default values)
/*
// The argument is the number of variables to skip.
Set the current scope boundary (for default values)
The argument is the number of variables to skip.
*/
inline
void
inline
void
declare_var_boundary
(
uint
n
)
declare_var_boundary
(
uint
n
)
{
{
m_pboundary
=
m_pvar
.
elements
-
n
;
m_pboundary
=
n
;
}
}
//
//
...
@@ -297,10 +298,10 @@ private:
...
@@ -297,10 +298,10 @@ private:
uint
m_poffset
;
// Variable offset for this context
uint
m_poffset
;
// Variable offset for this context
uint
m_coffset
;
// Cursor offset for this context
uint
m_coffset
;
// Cursor offset for this context
/*
/*
Boundary for finding variables in this
in this context.
Boundary for finding variables in this
context. This is the number
This is normally the same as m_pvar.elements, but differs during
of variables currently "invisible" to default clauses.
parsing of DECLARE ... DEFAULT, to get the scope right for DEFAULT
This is normally 0, but will be larger during parsing of
values.
DECLARE ... DEFAULT, to get the scope right for DEFAULT
values.
*/
*/
uint
m_pboundary
;
uint
m_pboundary
;
...
...
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