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SQL: vers_setup_select() misc refactoring

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Renamed to SELECT_LEX::vers_setup_conds().
Moved optimized fields check to JOIN::vers_check_items().
This commit is contained in:
Aleksey Midenkov
2017-12-08 12:57:07 +03:00
parent 37adb4c066
commit 947aa0bab9
10 changed files with 75 additions and 78 deletions
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8
sql/sql_lex.h
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@ -836,7 +836,6 @@ public:
Item *prep_having;/* saved HAVING clause for prepared statement processing */
Item *cond_pushed_into_where; /* condition pushed into the select's WHERE */
Item *cond_pushed_into_having; /* condition pushed into the select's HAVING */
Item *saved_where;
/* Saved values of the WHERE and HAVING clauses*/
Item::cond_result cond_value, having_value;
/* point on lex in which it was created, used in view subquery detection */
@ -1038,9 +1037,14 @@ public:
table_value_constr *tvc;
bool in_tvc;
/* System Versioning */
/** System Versioning */
private:
Item *vers_saved_where;
public:
vers_select_conds_t vers_export_outer;
bool vers_import_outer;
uint versioned_tables;
int vers_setup_conds(THD *thd, TABLE_LIST *tables, COND **where_expr);
/* push new Item_field into item_list */
bool vers_push_field(THD *thd, TABLE_LIST *table, const LEX_CSTRING field_name);