tarantool / tarantool / 10203091439

88%

Build Type

push

github

Committed by locker

Commit Message

txn: first step towards cross-engine transactions

This patch replaces `txn::engine` with `txn::engines[3]`, so that a multi-
statement transaction can involve up to 3 storage engines. However, for now
the ENGINE_SUPPORTS_CROSS_ENGINE_TX flag is set only for memtx engine (when
MVCC is off), so there are no user-visible changes.

Needed for #1803
Needed for tarantool/tarantool-ee#823

NO_DOC=No user-visible changes
NO_CHANGELOG=No user-visible changes

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68215 of 121503 branches covered (56.14%)

78 of 82 new or added lines in 4 files covered. (95.12%)

72 existing lines in 20 files now uncovered.

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