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Cleanup: Add flag DB_DUPDATA, drop DB_DIRTY hack

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This commit is contained in:
Hallvard Furuseth 2016-12-09 00:03:36 +01:00
parent b57bb99fa6
commit b8c1877be3
1 changed files with 6 additions and 4 deletions
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10
libraries/liblmdb/mdb.c
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@ -1078,11 +1078,12 @@ struct MDB_txn {
* @ingroup internal
* @{
*/
#define DB_DIRTY 0x01 /**< DB was modified or is DUPSORT data */
#define DB_DIRTY 0x01 /**< DB was written in this txn */
#define DB_STALE 0x02 /**< Named-DB record is older than txnID */
#define DB_NEW 0x04 /**< Named-DB handle opened in this txn */
#define DB_VALID 0x08 /**< DB handle is valid, see also #MDB_VALID */
#define DB_USRVALID 0x10 /**< As #DB_VALID, but not set for #FREE_DBI */
#define DB_DUPDATA 0x20 /**< DB is #MDB_DUPSORT data */
/** @} */
/** In write txns, array of cursors for each DB */
MDB_cursor **mt_cursors;
@ -6270,7 +6271,8 @@ mdb_cursor_touch(MDB_cursor *mc)
{
int rc = MDB_SUCCESS;
if (mc->mc_dbi >= CORE_DBS && !(*mc->mc_dbflag & DB_DIRTY)) {
if (mc->mc_dbi >= CORE_DBS && !(*mc->mc_dbflag & (DB_DIRTY|DB_DUPDATA))) {
/* Touch DB record of named DB */
MDB_cursor mc2;
MDB_xcursor mcx;
if (TXN_DBI_CHANGED(mc->mc_txn, mc->mc_dbi))
@ -7331,7 +7333,7 @@ mdb_xcursor_init1(MDB_cursor *mc, MDB_node *node)
}
DPRINTF(("Sub-db -%u root page %"Z"u", mx->mx_cursor.mc_dbi,
mx->mx_db.md_root));
mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DIRTY; /* DB_DIRTY guides mdb_cursor_touch */
mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DUPDATA;
#if UINT_MAX < SIZE_MAX
if (mx->mx_dbx.md_cmp == mdb_cmp_int && mx->mx_db.md_pad == sizeof(size_t))
mx->mx_dbx.md_cmp = mdb_cmp_clong;
@ -7357,7 +7359,7 @@ mdb_xcursor_init2(MDB_cursor *mc, MDB_xcursor *src_mx, int new_dupdata)
mx->mx_cursor.mc_top = 0;
mx->mx_cursor.mc_flags |= C_INITIALIZED;
mx->mx_cursor.mc_ki[0] = 0;
mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DIRTY; /* DB_DIRTY guides mdb_cursor_touch */
mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DUPDATA;
#if UINT_MAX < SIZE_MAX
mx->mx_dbx.md_cmp = src_mx->mx_dbx.md_cmp;
#endif