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Add support for the 'txn' argument to date/time functions that works like

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'now' but keeps the same time for the entire transaction.

FossilOrigin-Name: 5e4f45af96247e29910403a63ac148cb313b005f9c014b37a9a49d98f5fef9a6
This commit is contained in:
drh
2023-02-07 21:55:14 +00:00
parent c3ea539dc2
commit d4af882a1b
6 changed files with 65 additions and 15 deletions
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src/sqliteInt.h
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@@ -1621,6 +1621,7 @@ struct sqlite3 {
u8 nSqlExec; /* Number of pending OP_SqlExec opcodes */
u8 eOpenState; /* Current condition of the connection */
int nextPagesize; /* Pagesize after VACUUM if >0 */
i64 txnTime; /* Timestamp for current transaction */
i64 nChange; /* Value returned by sqlite3_changes() */
i64 nTotalChange; /* Value returned by sqlite3_total_changes() */
int aLimit[SQLITE_N_LIMIT]; /* Limits */
@@ -5341,6 +5342,7 @@ FuncDef *sqlite3VtabOverloadFunction(sqlite3 *,FuncDef*, int nArg, Expr*);
void sqlite3VtabUsesAllSchemas(sqlite3_index_info*);
#endif
sqlite3_int64 sqlite3StmtCurrentTime(sqlite3_context*);
sqlite3_int64 sqlite3TxnCurrentTime(sqlite3_context*);
int sqlite3VdbeParameterIndex(Vdbe*, const char*, int);
int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *);
void sqlite3ParseObjectInit(Parse*,sqlite3*);