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Add support for the sqlite3_txn_state() interface.

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FossilOrigin-Name: ad195e3dd89d0f33b50070c18fb8f43c4eb24162515dfdd7c04d9e7d96b902a2
This commit is contained in:
drh
2020-08-25 19:09:07 +00:00
parent 58d6f633ba
commit 99744fa4ab
16 changed files with 215 additions and 53 deletions
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14
src/btreeInt.h
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@@ -364,11 +364,25 @@ struct Btree {
** If the shared-data extension is enabled, there may be multiple users
** of the Btree structure. At most one of these may open a write transaction,
** but any number may have active read transactions.
**
** These values must match SQLITE_TXN_NONE, SQLITE_TXN_READ, and
** SQLITE_TXN_WRITE
*/
#define TRANS_NONE 0
#define TRANS_READ 1
#define TRANS_WRITE 2
#if TRANS_NONE!=SQLITE_TXN_NONE
# error wrong numeric code for no-transaction
#endif
#if TRANS_READ!=SQLITE_TXN_READ
# error wrong numeric code for read-transaction
#endif
#if TRANS_WRITE!=SQLITE_TXN_WRITE
# error wrong numeric code for write-transaction
#endif
/*
** An instance of this object represents a single database file.
**