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Update SQLite to 3.35.5

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This update contains to important features:
1. Improved performance of WAL mode locking primitives in cases where there are hundreds of connections all accessing the same database file at once
2. In WAL mode, if a writer crashes and leaves the shm file in an inconsistent state, subsequent transactions are now able to recover the shm file even if there are active read transactions. Before this enhancement, shm file recovery that scenario would result in an SQLITE_PROTOCOL error.
This commit is contained in:
Dmitry Vedenko 2021-05-05 14:43:27 +03:00 committed by Dmitry Vedenko
parent 92d1a34366
commit 770d0b3091
4 changed files with 21495 additions and 14944 deletions
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2797
lib-src/sqlite/shell.c
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32144
lib-src/sqlite/sqlite3.c
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1494
lib-src/sqlite/sqlite3.h
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4
lib-src/sqlite/sqlite3ext.h
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@ -335,6 +335,8 @@ struct sqlite3_api_routines {
int,const char**);
void (*free_filename)(char*);
sqlite3_file *(*database_file_object)(const char*);
/* Version 3.34.0 and later */
int (*txn_state)(sqlite3*,const char*);
};
/*
@ -639,6 +641,8 @@ typedef int (*sqlite3_loadext_entry)(
#define sqlite3_create_filename sqlite3_api->create_filename
#define sqlite3_free_filename sqlite3_api->free_filename
#define sqlite3_database_file_object sqlite3_api->database_file_object
/* Version 3.34.0 and later */
#define sqlite3_txn_state sqlite3_api->txn_state
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */
#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)