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cleanup: prepare "update_handler" for WITHOUT OVERLAPS

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* rename to a generic name
* move remaning initializations from query exec to prepare time
* simplify/unify key handling in open_table_from_share and delayed
* remove dead code
* move tests where they belong
This commit is contained in:
Sergei Golubchik
2020-03-05 19:19:57 +01:00
parent 045510cb92
commit 0515577d12
17 changed files with 200 additions and 274 deletions
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sql/sql_table.cc
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@ -11013,6 +11013,8 @@ copy_data_between_tables(THD *thd, TABLE *from, TABLE *to,
from->file->column_bitmaps_signal();
to->file->prepare_for_insert();
/* Tell handler that we have values for all columns in the to table */
to->use_all_columns();
/* Add virtual columns to vcol_set to ensure they are updated */