MySQL 8.0.40
Source Code Documentation
partition_pruning.h
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24#ifndef SQL_RANGE_OPTIMIZER_PARTITION_PRUNING_H_
25#define SQL_RANGE_OPTIMIZER_PARTITION_PRUNING_H_
26
27/*
28 PartitionPruningModule
29 A module that accepts a partitioned table, condition, and finds which
30 partitions we will need to use in query execution. Search down for
31 "PartitionPruningModule" for description.
32 The module has single entry point - prune_partitions() function.
33 */
34
35class Item;
36class Query_block;
37class THD;
38struct TABLE;
39
40bool prune_partitions(THD *thd, TABLE *table, Query_block *query_block,
41 Item *pprune_cond);
42
43#endif // SQL_RANGE_OPTIMIZER_PARTITION_PRUNING_H_
Base class that is used to represent any kind of expression in a relational query.
Definition: item.h:853
This class represents a query block, aka a query specification, which is a query consisting of a SELE...
Definition: sql_lex.h:1156
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_lexer_thd.h:34
bool prune_partitions(THD *thd, TABLE *table, Query_block *query_block, Item *pprune_cond)
Perform partition pruning for a given table and condition.
Definition: partition_pruning.cc:251
Definition: table.h:1399