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cleanup: move checksum code to handler class

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make live checksum to be returned in handler::info(),
and slow table-scan checksum to be calculated in handler::checksum().

part of
MDEV-16249 CHECKSUM TABLE for a spider table is not parallel and saves all data in memory in the spider head by default
This commit is contained in:
Sergei Golubchik
2019-05-02 13:09:27 +02:00
parent 651a43e0a0
commit ffb83ba650
10 changed files with 121 additions and 143 deletions
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3
sql/handler.h
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@ -2780,6 +2780,7 @@ public:
time_t check_time;
time_t update_time;
uint block_size; /* index block size */
ha_checksum checksum;
/*
number of buffer bytes that native mrr implementation needs,
@ -3804,7 +3805,7 @@ public:
virtual uint max_supported_key_part_length() const { return 255; }
virtual uint min_record_length(uint options) const { return 1; }
virtual uint checksum() const { return 0; }
virtual int calculate_checksum();
virtual bool is_crashed() const { return 0; }
virtual bool auto_repair(int error) const { return 0; }