sp_lex_branch_instr is a base class for SP-instructions, which might perform conditional jump depending on the value of an SQL-expression.
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void | set_cont_dest (uint cont_dest) |
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uint | opt_mark (sp_head *sp, List< sp_instr > *leads) override |
| Mark this instruction as reachable during optimization and return the index to the next instruction. More...
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void | opt_move (uint dst, List< sp_branch_instr > *ibp) override |
| Inform the instruction that it has been moved during optimization. More...
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uint | get_cont_dest () const override |
| Get the continuation destination (instruction pointer for the CONTINUE HANDLER) of this instruction. More...
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bool | is_invalid () const override |
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void | invalidate () override |
| Invalidate the object. More...
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LEX_CSTRING | get_expr_query () const override |
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void | set_destination (uint old_dest, uint new_dest) override |
| Update the destination; used by the SP-instruction-optimizer. More...
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void | backpatch (uint dest) override |
| Update all instruction with the given label in the backpatch list to the specified instruction pointer. More...
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void | adjust_sql_command (LEX *lex) override |
| Some expressions may be re-parsed as SELECT statements, but need to be adjusted to another SQL command. More...
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| sp_lex_instr (uint ip, sp_pcontext *ctx, LEX *lex, bool is_lex_owner) |
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| ~sp_lex_instr () override |
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bool | validate_lex_and_execute_core (THD *thd, uint *nextp, bool open_tables) |
| Make a few attempts to execute the instruction. More...
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SQL_I_List< Item_trigger_field > * | get_instr_trig_field_list () override |
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bool | execute (THD *thd, uint *nextp) override |
| Execute this instruction. More...
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| sp_instr (uint ip, sp_pcontext *ctx) |
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| ~sp_instr () override |
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virtual PSI_statement_info * | get_psi_info ()=0 |
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uint | get_ip () const |
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sp_pcontext * | get_parsing_ctx () const |
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virtual uint | opt_shortcut_jump (sp_head *, sp_instr *start) |
| Short-cut jumps to jumps during optimization. More...
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bool | opt_is_marked () const |
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virtual void | print (const THD *thd, String *str)=0 |
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virtual | ~sp_printable ()=default |
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virtual | ~sp_branch_instr ()=default |
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| sp_lex_branch_instr (uint ip, sp_pcontext *ctx, LEX *lex, Item *expr_item, LEX_CSTRING expr_query) |
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| sp_lex_branch_instr (uint ip, sp_pcontext *ctx, LEX *lex, Item *expr_item, LEX_CSTRING expr_query, uint dest) |
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virtual bool | exec_core (THD *thd, uint *nextp)=0 |
| Execute core function of instruction after all preparations (e.g. More...
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virtual void | get_query (String *sql_query) const |
| Return the query string, which can be passed to the parser. More...
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virtual bool | on_after_expr_parsing (THD *thd) |
| Callback function which is called after the statement query string is successfully parsed, and the thread context has not been switched to the outer context. More...
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virtual void | cleanup_before_parsing (THD *thd) |
| Destroy items in the free list before re-parsing the statement query string (and thus, creating new items). More...
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void | clear_da (THD *thd) const |
| Clear diagnostics area. More...
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sp_lex_branch_instr is a base class for SP-instructions, which might perform conditional jump depending on the value of an SQL-expression.