MySQL 5.1: sp_instr_cfetch Class Reference

sp_instr_cfetch Class Reference

#include <sp_head.h>

Inheritance diagram for sp_instr_cfetch:

[legend]Collaboration diagram for sp_instr_cfetch:


Public Member Functions
	sp_instr_cfetch (uint ip, sp_pcontext *ctx, uint c)
virtual	~sp_instr_cfetch ()
virtual int	execute (THD thd, uint nextp)
virtual void	print (String *str)
void	add_to_varlist (struct sp_variable *var)
Private Member Functions
	sp_instr_cfetch (const sp_instr_cfetch &)
void	operator= (sp_instr_cfetch &)
Private Attributes
uint	m_cursor
List< struct sp_variable >	m_varlist

Detailed Description

Definition at line 1072 of file sp_head.h.

Constructor & Destructor Documentation

sp_instr_cfetch::sp_instr_cfetch ( const sp_instr_cfetch & ) [private]

sp_instr_cfetch::sp_instr_cfetch	(	uint	ip,
		sp_pcontext *	ctx,
		uint	c
	)			`[inline]`

Definition at line 1079 of file sp_head.h.

References m_varlist.

01080     : sp_instr(ip, ctx), m_cursor(c)
01081   {
01082     m_varlist.empty();
01083   }

virtual sp_instr_cfetch::~sp_instr_cfetch ( ) [inline, virtual]

Definition at line 1085 of file sp_head.h.

01086   {}

Member Function Documentation

void sp_instr_cfetch::add_to_varlist ( struct sp_variable * var ) [inline]

Definition at line 1092 of file sp_head.h.

References m_varlist.

01093   {
01094     m_varlist.push_back(var);
01095   }

int sp_instr_cfetch::execute	(	THD *	thd,
		uint *	nextp
	)			`[virtual]`

Implements sp_instr.

Definition at line 3182 of file sp_head.cc.

References DBUG_ENTER, DBUG_RETURN, sp_cursor::fetch(), m_cursor, sp_instr::m_ip, and m_varlist.

03183 {
03184   sp_cursor *c= thd->spcont->get_cursor(m_cursor);
03185   int res;
03186   Query_arena backup_arena;
03187   DBUG_ENTER("sp_instr_cfetch::execute");
03188 
03189   res= c ? c->fetch(thd, &m_varlist) : -1;
03190 
03191   *nextp= m_ip+1;
03192   DBUG_RETURN(res);
03193 }

Here is the call graph for this function:

void sp_instr_cfetch::operator= ( sp_instr_cfetch & ) [private]

void sp_instr_cfetch::print ( String * str ) [virtual]

Implements sp_instr.

Definition at line 3197 of file sp_head.cc.

References sp_pcontext::find_cursor(), LEX_STRING::length, sp_instr::m_ctx, m_cursor, m_varlist, n, sp_variable::name, sp_variable::offset, String::qs_append(), String::reserve(), SP_INSTR_UINT_MAXLEN, LEX_STRING::str, and STRING_WITH_LEN.

03198 {
03199   List_iterator_fast<struct sp_variable> li(m_varlist);
03200   sp_variable_t *pv;
03201   LEX_STRING n;
03202   my_bool found= m_ctx->find_cursor(m_cursor, &n);
03203   /* cfetch name@offset vars... */
03204   uint rsrv= SP_INSTR_UINT_MAXLEN+8;
03205 
03206   if (found)
03207     rsrv+= n.length;
03208   if (str->reserve(rsrv))
03209     return;
03210   str->qs_append(STRING_WITH_LEN("cfetch "));
03211   if (found)
03212   {
03213     str->qs_append(n.str, n.length);
03214     str->qs_append('@');
03215   }
03216   str->qs_append(m_cursor);
03217   while ((pv= li++))
03218   {
03219     if (str->reserve(pv->name.length+SP_INSTR_UINT_MAXLEN+2))
03220       return;
03221     str->qs_append(' ');
03222     str->qs_append(pv->name.str, pv->name.length);
03223     str->qs_append('@');
03224     str->qs_append(pv->offset);
03225   }
03226 }