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mdbx: refactoring fetch/refresh/create/open tables and DBI-handles.

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The (rare, quirky) scenario of recreating a previously opened and used table/DBI-handle
after it has been deleted by another process is now supported.
This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2025-11-06 10:26:28 +03:00
parent 207fc11d76
commit a17e041830
11 changed files with 246 additions and 150 deletions
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8
src/internals.h
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@@ -142,10 +142,10 @@ struct kvx {
/* Non-shared DBI state flags inside transaction */
enum dbi_state {
DBI_DIRTY = 0x01 /* DB was written in this txn */,
DBI_STALE = 0x02 /* Named-DB record is older than txnID */,
DBI_FRESH = 0x04 /* Named-DB handle opened in this txn */,
DBI_CREAT = 0x08 /* Named-DB handle created in this txn */,
DBI_DIRTY = 0x01 /* table was written in this txn */,
DBI_STALE = 0x02 /* cached table record is outdated and should be reloaded/refreshed */,
DBI_FRESH = 0x04 /* table handle opened in this txn */,
DBI_CREAT = 0x08 /* table handle created in this txn */,
DBI_VALID = 0x10 /* Handle is valid, see also DB_VALID */,
DBI_OLDEN = 0x40 /* Handle was closed/reopened outside txn */,
DBI_LINDO = 0x80 /* Lazy initialization done for DBI-slot */,