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sp_instr_hreturn Class Reference
Inheritance diagram for sp_instr_hreturn:
sp_instr_jump sp_instr sp_branch_instr Sql_alloc sp_printable

List of all members.

Public Member Functions

 sp_instr_hreturn (uint ip, sp_pcontext *ctx)
virtual void print (String *str)
virtual bool execute (THD *thd, uint *nextp)
virtual uint opt_shortcut_jump (sp_head *sp, sp_instr *start)
virtual uint opt_mark (sp_head *sp, List< sp_instr > *leads)

Member Function Documentation

bool sp_instr_hreturn::execute ( THD *  thd,
uint *  nextp 
) [virtual]

Execute this instruction

thdThread context
[out]nextpindex of the next instruction to execute. (For most instructions this will be the instruction following this one). Note that this parameter is undefined in case of errors, use get_cont_dest() to find the continuation instruction for CONTINUE error handlers.
Error status.

Reimplemented from sp_instr_jump.

uint sp_instr_hreturn::opt_mark ( sp_head sp,
List< sp_instr > *  leads 
) [virtual]

Mark this instruction as reachable during optimization and return the index to the next instruction. Jump instruction will add their destination to the leads list.

Reimplemented from sp_instr_jump.

virtual uint sp_instr_hreturn::opt_shortcut_jump ( sp_head sp,
sp_instr start 
) [inline, virtual]

Override sp_instr_jump's shortcut; we stop here.

Reimplemented from sp_instr_jump.

The documentation for this class was generated from the following files:
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