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mdbx: backport - Cleanup: Add flag DB_DUPDATA, drop DB_DIRTY hack.
Change-Id: I5d30367104d025c1d2f8c39d29455faca59d7f19
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parent
b33fe4a3f0
commit
7b773e6f2d
10
mdb.c
10
mdb.c
@ -859,11 +859,12 @@ struct MDB_txn {
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* @ingroup internal
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* @{
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*/
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#define DB_DIRTY 0x01 /**< DB was modified or is DUPSORT data */
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#define DB_DIRTY 0x01 /**< DB was written in this txn */
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#define DB_STALE 0x02 /**< Named-DB record is older than txnID */
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#define DB_NEW 0x04 /**< Named-DB handle opened in this txn */
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#define DB_VALID 0x08 /**< DB handle is valid, see also #MDB_VALID */
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#define DB_USRVALID 0x10 /**< As #DB_VALID, but not set for #FREE_DBI */
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#define DB_DUPDATA 0x20 /**< DB is #MDB_DUPSORT data */
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/** @} */
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/** In write txns, array of cursors for each DB */
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MDB_cursor **mt_cursors;
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@ -6465,7 +6466,8 @@ mdb_cursor_touch(MDB_cursor *mc)
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{
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int rc = MDB_SUCCESS;
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if (mc->mc_dbi >= CORE_DBS && !(*mc->mc_dbflag & DB_DIRTY)) {
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if (mc->mc_dbi >= CORE_DBS && !(*mc->mc_dbflag & (DB_DIRTY|DB_DUPDATA))) {
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/* Touch DB record of named DB */
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MDB_cursor mc2;
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MDB_xcursor mcx;
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if (TXN_DBI_CHANGED(mc->mc_txn, mc->mc_dbi))
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@ -7550,7 +7552,7 @@ mdb_xcursor_init1(MDB_cursor *mc, MDB_node *node)
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}
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mdb_debug("Sub-db -%u root page %zu", mx->mx_cursor.mc_dbi,
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mx->mx_db.md_root);
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mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DIRTY; /* DB_DIRTY guides mdb_cursor_touch */
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mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DUPDATA;
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/* #if UINT_MAX < SIZE_MAX
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if (mx->mx_dbx.md_cmp == mdb_cmp_int && mx->mx_db.md_pad == sizeof(size_t))
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mx->mx_dbx.md_cmp = mdb_cmp_clong;
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@ -7576,7 +7578,7 @@ mdb_xcursor_init2(MDB_cursor *mc, MDB_xcursor *src_mx, int new_dupdata)
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mx->mx_cursor.mc_top = 0;
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mx->mx_cursor.mc_flags |= C_INITIALIZED;
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mx->mx_cursor.mc_ki[0] = 0;
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mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DIRTY; /* DB_DIRTY guides mdb_cursor_touch */
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mx->mx_dbflag = DB_VALID|DB_USRVALID|DB_DUPDATA;
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#if UINT_MAX < SIZE_MAX
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mx->mx_dbx.md_cmp = src_mx->mx_dbx.md_cmp;
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#endif
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