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Implemented SP CONDITIONs and HANDLERs, with the extension of handling

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MySQL error codes as well.
(No UNDO HANDLERs yet, and no SIGNAL or RESIGNAL.)
WL#850
This commit is contained in:
pem@mysql.telia.com 2003-09-16 14:26:08 +02:00
commit 04f0570fe8
42 changed files with 1231 additions and 147 deletions
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50
sql/sp_pcontext.cc
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@ -27,9 +27,10 @@
#include "sp_head.h"
sp_pcontext::sp_pcontext()
: Sql_alloc(), m_params(0), m_framesize(0), m_genlab(0)
: Sql_alloc(), m_params(0), m_framesize(0), m_handlers(0), m_genlab(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));
m_label.empty();
}
@ -37,6 +38,7 @@ void
sp_pcontext::destroy()
{
delete_dynamic(&m_pvar);
delete_dynamic(&m_cond);
m_label.empty();
}
@ -55,8 +57,9 @@ sp_pcontext::find_pvar(LEX_STRING *name)
while (i-- > 0)
{
sp_pvar_t *p= find_pvar(i);
sp_pvar_t *p;
get_dynamic(&m_pvar, (gptr)&p, i);
if (my_strnncoll(system_charset_info,
(const uchar *)name->str, name->length,
(const uchar *)p->name.str, p->name.length) == 0)
@ -68,8 +71,8 @@ sp_pcontext::find_pvar(LEX_STRING *name)
}
void
sp_pcontext::push(LEX_STRING *name, enum enum_field_types type,
sp_param_mode_t mode)
sp_pcontext::push_pvar(LEX_STRING *name, enum enum_field_types type,
sp_param_mode_t mode)
{
sp_pvar_t *p= (sp_pvar_t *)sql_alloc(sizeof(sp_pvar_t));
@ -113,3 +116,42 @@ sp_pcontext::find_label(char *name)
return NULL;
}
void
sp_pcontext::push_cond(LEX_STRING *name, sp_cond_type_t *val)
{
sp_cond_t *p= (sp_cond_t *)sql_alloc(sizeof(sp_cond_t));
if (p)
{
if (m_cond.elements == m_framesize)
m_framesize += 1;
p->name.str= name->str;
p->name.length= name->length;
p->val= val;
insert_dynamic(&m_cond, (gptr)&p);
}
}
/*
* See comment for find_pvar() above
*/
sp_cond_type_t *
sp_pcontext::find_cond(LEX_STRING *name)
{
uint i = m_cond.elements;
while (i-- > 0)
{
sp_cond_t *p;
get_dynamic(&m_cond, (gptr)&p, i);
if (my_strnncoll(system_charset_info,
(const uchar *)name->str, name->length,
(const uchar *)p->name.str, p->name.length) == 0)
{
return p->val;
}
}
return NULL;
}