MySQL 8.0.29
Source Code Documentation
finalize_plan.h
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22
23#ifndef SQL_JOIN_OPTIMIZER_FINALIZE_PLAN_H_
24#define SQL_JOIN_OPTIMIZER_FINALIZE_PLAN_H_
25
26#include "sql/mem_root_array.h"
27
28struct AccessPath;
29class Func_ptr;
30struct ORDER;
31class Query_block;
32class THD;
33
35
36// See comment in .cc file.
38 AccessPath *root_path);
39
40// Change all items in the ORDER list to point to the temporary table.
41// This isn't important for streaming (the items would get the correct
42// value anyway -- although possibly with some extra calculations),
43// but it is for materialization.
45 const Func_ptr_array &items_to_copy);
46
47#endif // SQL_JOIN_OPTIMIZER_FINALIZE_PLAN_H_
Helper class for copy_funcs(); represents an Item to copy from table to next tmp table.
Definition: temp_table_param.h:51
A typesafe replacement for DYNAMIC_ARRAY.
Definition: mem_root_array.h:421
This class represents a query block, aka a query specification, which is a query consisting of a SELE...
Definition: sql_lex.h:1124
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_class.h:945
void ReplaceOrderItemsWithTempTableFields(THD *thd, ORDER *order, const Func_ptr_array &items_to_copy)
Definition: finalize_plan.cc:195
bool FinalizePlanForQueryBlock(THD *thd, Query_block *query_block, AccessPath *root_path)
Access paths are a query planning structure that correspond 1:1 to iterators, in that an access path ...
Definition: access_path.h:188
Definition: table.h:279