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@ -293,33 +293,30 @@ typedef MDB_ID txnid_t; |
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* @{ |
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*/ |
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#ifndef MDB_DEBUG |
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/** Enable debug output.
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/** Enable debug output. Needs variable argument macros (a C99 feature).
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* Set this to 1 for copious tracing. Set to 2 to add dumps of all IDLs |
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* read from and written to the database (used for free space management). |
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*/ |
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#define MDB_DEBUG 0 |
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#endif |
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#if !(__STDC_VERSION__ >= 199901L || defined(__GNUC__)) |
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# undef MDB_DEBUG |
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# define MDB_DEBUG 0 |
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# define DPRINTF (void) /* Vararg macros may be unsupported */ |
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#elif MDB_DEBUG |
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#if MDB_DEBUG |
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static int mdb_debug; |
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static txnid_t mdb_debug_start; |
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/** Print a debug message with printf formatting. */ |
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# define DPRINTF(fmt, ...) /**< Requires 2 or more args */ \ |
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((void) ((mdb_debug) && \
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fprintf(stderr, "%s:%d " fmt "\n", __func__, __LINE__, __VA_ARGS__))) |
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/** Print a debug message with printf formatting.
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* Requires double parenthesis around 2 or more args. |
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*/ |
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# define DPRINTF(args) ((void) ((mdb_debug) && DPRINTF0 args)) |
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# define DPRINTF0(fmt, ...) \ |
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fprintf(stderr, "%s:%d " fmt "\n", __func__, __LINE__, __VA_ARGS__) |
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#else |
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# define DPRINTF(fmt, ...) ((void) 0) |
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# define MDB_DEBUG_SKIP |
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# define DPRINTF(args) ((void) 0) |
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#endif |
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/** Print a debug string.
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* The string is printed literally, with no format processing. |
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*/ |
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#define DPUTS(arg) DPRINTF("%s", arg) |
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#define DPUTS(arg) DPRINTF(("%s", arg)) |
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/** @} */ |
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/** A default memory page size.
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@ -1225,7 +1222,7 @@ mdb_cursor_chk(MDB_cursor *mc) |
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} |
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#endif |
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#if MDB_DEBUG > 2 |
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#if (MDB_DEBUG) > 2 |
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/** Count all the pages in each DB and in the freelist
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* and make sure it matches the actual number of pages |
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* being used. |
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@ -1674,11 +1671,11 @@ mdb_page_alloc(MDB_cursor *mc, int num, MDB_page **mp) |
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mop = env->me_pghead; |
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} |
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env->me_pglast = last; |
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#if MDB_DEBUG > 1 |
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DPRINTF("IDL read txn %"Z"u root %"Z"u num %u", |
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last, txn->mt_dbs[FREE_DBI].md_root, i); |
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#if (MDB_DEBUG) > 1 |
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DPRINTF(("IDL read txn %"Z"u root %"Z"u num %u", |
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last, txn->mt_dbs[FREE_DBI].md_root, i)); |
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for (k = i; k; k--) |
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DPRINTF("IDL %"Z"u", idl[k]); |
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DPRINTF(("IDL %"Z"u", idl[k])); |
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#endif |
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/* Merge in descending sorted order */ |
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j = mop_len; |
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@ -1846,7 +1843,7 @@ mdb_page_touch(MDB_cursor *mc) |
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(rc = mdb_page_alloc(mc, 1, &np))) |
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return rc; |
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pgno = np->mp_pgno; |
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DPRINTF("touched db %u page %"Z"u -> %"Z"u", mc->mc_dbi,mp->mp_pgno,pgno); |
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DPRINTF(("touched db %u page %"Z"u -> %"Z"u", mc->mc_dbi,mp->mp_pgno,pgno)); |
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assert(mp->mp_pgno != pgno); |
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mdb_midl_xappend(txn->mt_free_pgs, mp->mp_pgno); |
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/* Update the parent page, if any, to point to the new page */ |
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@ -2019,7 +2016,7 @@ mdb_cursors_close(MDB_txn *txn, unsigned merge) |
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} |
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} |
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#ifdef MDB_DEBUG_SKIP |
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#if !(MDB_DEBUG) |
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#define mdb_txn_reset0(txn, act) mdb_txn_reset0(txn) |
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#endif |
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static void |
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@ -2204,9 +2201,9 @@ mdb_txn_renew(MDB_txn *txn) |
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rc = mdb_txn_renew0(txn); |
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if (rc == MDB_SUCCESS) { |
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DPRINTF("renew txn %"Z"u%c %p on mdbenv %p, root page %"Z"u", |
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DPRINTF(("renew txn %"Z"u%c %p on mdbenv %p, root page %"Z"u", |
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txn->mt_txnid, (txn->mt_flags & MDB_TXN_RDONLY) ? 'r' : 'w', |
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(void *)txn, (void *)txn->mt_env, txn->mt_dbs[MAIN_DBI].md_root); |
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(void *)txn, (void *)txn->mt_env, txn->mt_dbs[MAIN_DBI].md_root)); |
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} |
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return rc; |
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} |
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@ -2240,7 +2237,7 @@ mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **ret) |
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size += env->me_maxdbs * sizeof(MDB_cursor *); |
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if ((txn = calloc(1, size)) == NULL) { |
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DPRINTF("calloc: %s", strerror(ErrCode())); |
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DPRINTF(("calloc: %s", strerror(ErrCode()))); |
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return ENOMEM; |
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} |
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txn->mt_dbs = (MDB_db *) ((char *)txn + tsize); |
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@ -2300,9 +2297,9 @@ mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **ret) |
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free(txn); |
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else { |
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*ret = txn; |
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DPRINTF("begin txn %"Z"u%c %p on mdbenv %p, root page %"Z"u", |
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DPRINTF(("begin txn %"Z"u%c %p on mdbenv %p, root page %"Z"u", |
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txn->mt_txnid, (txn->mt_flags & MDB_TXN_RDONLY) ? 'r' : 'w', |
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(void *) txn, (void *) env, txn->mt_dbs[MAIN_DBI].md_root); |
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(void *) txn, (void *) env, txn->mt_dbs[MAIN_DBI].md_root)); |
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} |
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return rc; |
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@ -2354,9 +2351,9 @@ mdb_txn_reset0(MDB_txn *txn, const char *act) |
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/* Close any DBI handles opened in this txn */ |
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mdb_dbis_update(txn, 0); |
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DPRINTF("%s txn %"Z"u%c %p on mdbenv %p, root page %"Z"u", |
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DPRINTF(("%s txn %"Z"u%c %p on mdbenv %p, root page %"Z"u", |
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act, txn->mt_txnid, (txn->mt_flags & MDB_TXN_RDONLY) ? 'r' : 'w', |
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(void *) txn, (void *)env, txn->mt_dbs[MAIN_DBI].md_root); |
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(void *) txn, (void *)env, txn->mt_dbs[MAIN_DBI].md_root)); |
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if (F_ISSET(txn->mt_flags, MDB_TXN_RDONLY)) { |
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if (txn->mt_u.reader) { |
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@ -2494,13 +2491,13 @@ mdb_freelist_save(MDB_txn *txn) |
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} while (freecnt < free_pgs[0]); |
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mdb_midl_sort(free_pgs); |
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memcpy(data.mv_data, free_pgs, data.mv_size); |
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#if MDB_DEBUG > 1 |
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#if (MDB_DEBUG) > 1 |
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{ |
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unsigned int i = free_pgs[0]; |
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DPRINTF("IDL write txn %"Z"u root %"Z"u num %u", |
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txn->mt_txnid, txn->mt_dbs[FREE_DBI].md_root, i); |
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DPRINTF(("IDL write txn %"Z"u root %"Z"u num %u", |
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txn->mt_txnid, txn->mt_dbs[FREE_DBI].md_root, i)); |
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for (; i; i--) |
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DPRINTF("IDL %"Z"u", free_pgs[i]); |
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DPRINTF(("IDL %"Z"u", free_pgs[i])); |
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} |
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#endif |
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continue; |
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@ -2639,13 +2636,13 @@ mdb_page_flush(MDB_txn *txn) |
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* the write offset, to at least save the overhead of a Seek |
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* system call. |
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*/ |
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DPRINTF("committing page %"Z"u", pgno); |
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DPRINTF(("committing page %"Z"u", pgno)); |
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memset(&ov, 0, sizeof(ov)); |
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ov.Offset = pos & 0xffffffff; |
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ov.OffsetHigh = pos >> 16 >> 16; |
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if (!WriteFile(env->me_fd, dp, size, NULL, &ov)) { |
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rc = ErrCode(); |
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DPRINTF("WriteFile: %d", rc); |
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DPRINTF(("WriteFile: %d", rc)); |
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return rc; |
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} |
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#else |
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@ -2661,7 +2658,7 @@ mdb_page_flush(MDB_txn *txn) |
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} else { |
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if (lseek(env->me_fd, wpos, SEEK_SET) == -1) { |
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rc = ErrCode(); |
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DPRINTF("lseek: %s", strerror(rc)); |
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DPRINTF(("lseek: %s", strerror(rc))); |
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return rc; |
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} |
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wres = writev(env->me_fd, iov, n); |
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@ -2670,7 +2667,7 @@ mdb_page_flush(MDB_txn *txn) |
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if (wres != wsize) { |
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if (wres < 0) { |
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rc = ErrCode(); |
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DPRINTF("Write error: %s", strerror(rc)); |
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DPRINTF(("Write error: %s", strerror(rc))); |
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} else { |
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rc = EIO; /* TODO: Use which error code? */ |
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DPUTS("short write, filesystem full?"); |
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@ -2684,7 +2681,7 @@ mdb_page_flush(MDB_txn *txn) |
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wpos = pos; |
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wsize = 0; |
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} |
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DPRINTF("committing page %"Z"u", pgno); |
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DPRINTF(("committing page %"Z"u", pgno)); |
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next_pos = pos + size; |
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iov[n].iov_len = size; |
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iov[n].iov_base = (char *)dp; |
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@ -2863,8 +2860,8 @@ mdb_txn_commit(MDB_txn *txn) |
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!(txn->mt_flags & (MDB_TXN_DIRTY|MDB_TXN_SPILLS))) |
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goto done; |
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DPRINTF("committing txn %"Z"u %p on mdbenv %p, root page %"Z"u", |
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txn->mt_txnid, (void *)txn, (void *)env, txn->mt_dbs[MAIN_DBI].md_root); |
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DPRINTF(("committing txn %"Z"u %p on mdbenv %p, root page %"Z"u", |
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txn->mt_txnid, (void*)txn, (void*)env, txn->mt_dbs[MAIN_DBI].md_root)); |
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/* Update DB root pointers */ |
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if (txn->mt_numdbs > 2) { |
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@ -2893,7 +2890,7 @@ mdb_txn_commit(MDB_txn *txn) |
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if (mdb_midl_shrink(&txn->mt_free_pgs)) |
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env->me_free_pgs = txn->mt_free_pgs; |
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#if MDB_DEBUG > 2 |
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#if (MDB_DEBUG) > 2 |
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mdb_audit(txn); |
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#endif |
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@ -2951,14 +2948,14 @@ mdb_env_read_header(MDB_env *env, MDB_meta *meta) |
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if (rc == 0 && off == 0) |
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return ENOENT; |
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rc = rc < 0 ? (int) ErrCode() : MDB_INVALID; |
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DPRINTF("read: %s", mdb_strerror(rc)); |
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DPRINTF(("read: %s", mdb_strerror(rc))); |
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return rc; |
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} |
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p = (MDB_page *)&pbuf; |
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if (!F_ISSET(p->mp_flags, P_META)) { |
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DPRINTF("page %"Z"u not a meta page", p->mp_pgno); |
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DPRINTF(("page %"Z"u not a meta page", p->mp_pgno)); |
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return MDB_INVALID; |
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} |
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@ -2969,8 +2966,8 @@ mdb_env_read_header(MDB_env *env, MDB_meta *meta) |
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} |
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if (m->mm_version != MDB_DATA_VERSION) { |
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DPRINTF("database is version %u, expected version %u", |
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m->mm_version, MDB_DATA_VERSION); |
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DPRINTF(("database is version %u, expected version %u", |
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m->mm_version, MDB_DATA_VERSION)); |
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return MDB_VERSION_MISMATCH; |
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} |
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@ -3063,8 +3060,8 @@ mdb_env_write_meta(MDB_txn *txn) |
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assert(txn->mt_env != NULL); |
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toggle = !txn->mt_toggle; |
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DPRINTF("writing meta page %d for root page %"Z"u", |
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toggle, txn->mt_dbs[MAIN_DBI].md_root); |
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DPRINTF(("writing meta page %d for root page %"Z"u", |
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toggle, txn->mt_dbs[MAIN_DBI].md_root)); |
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env = txn->mt_env; |
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mp = env->me_metas[toggle]; |
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@ -3357,15 +3354,15 @@ mdb_env_open2(MDB_env *env) |
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int toggle = mdb_env_pick_meta(env); |
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MDB_db *db = &env->me_metas[toggle]->mm_dbs[MAIN_DBI]; |
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DPRINTF("opened database version %u, pagesize %u", |
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env->me_metas[0]->mm_version, env->me_psize); |
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DPRINTF("using meta page %d", toggle); |
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DPRINTF("depth: %u", db->md_depth); |
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DPRINTF("entries: %"Z"u", db->md_entries); |
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DPRINTF("branch pages: %"Z"u", db->md_branch_pages); |
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DPRINTF("leaf pages: %"Z"u", db->md_leaf_pages); |
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DPRINTF("overflow pages: %"Z"u", db->md_overflow_pages); |
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DPRINTF("root: %"Z"u", db->md_root); |
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DPRINTF(("opened database version %u, pagesize %u", |
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env->me_metas[0]->mm_version, env->me_psize)); |
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DPRINTF(("using meta page %d", toggle)); |
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DPRINTF(("depth: %u", db->md_depth)); |
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DPRINTF(("entries: %"Z"u", db->md_entries)); |
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DPRINTF(("branch pages: %"Z"u", db->md_branch_pages)); |
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DPRINTF(("leaf pages: %"Z"u", db->md_leaf_pages)); |
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DPRINTF(("overflow pages: %"Z"u", db->md_overflow_pages)); |
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DPRINTF(("root: %"Z"u", db->md_root)); |
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} |
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#endif |
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@ -3809,8 +3806,8 @@ mdb_env_setup_locks(MDB_env *env, char *lpath, int mode, int *excl) |
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goto fail; |
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} |
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if (env->me_txns->mti_format != MDB_LOCK_FORMAT) { |
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DPRINTF("lock region has format+version 0x%x, expected 0x%x", |
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env->me_txns->mti_format, MDB_LOCK_FORMAT); |
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DPRINTF(("lock region has format+version 0x%x, expected 0x%x", |
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env->me_txns->mti_format, MDB_LOCK_FORMAT)); |
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rc = MDB_VERSION_MISMATCH; |
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goto fail; |
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|
|
} |
|
|
|
@ -3948,7 +3945,7 @@ mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode |
|
|
|
|
goto leave; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
DPRINTF("opened dbenv %p", (void *) env); |
|
|
|
|
DPRINTF(("opened dbenv %p", (void *) env)); |
|
|
|
|
if (excl > 0) { |
|
|
|
|
rc = mdb_env_share_locks(env, &excl); |
|
|
|
|
} |
|
|
|
@ -4321,9 +4318,9 @@ mdb_node_search(MDB_cursor *mc, MDB_val *key, int *exactp) |
|
|
|
|
{ |
|
|
|
|
pgno_t pgno; |
|
|
|
|
COPY_PGNO(pgno, mp->mp_pgno); |
|
|
|
|
DPRINTF("searching %u keys in %s %spage %"Z"u", |
|
|
|
|
DPRINTF(("searching %u keys in %s %spage %"Z"u", |
|
|
|
|
nkeys, IS_LEAF(mp) ? "leaf" : "branch", IS_SUBP(mp) ? "sub-" : "", |
|
|
|
|
pgno); |
|
|
|
|
pgno)); |
|
|
|
|
} |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -4350,8 +4347,8 @@ mdb_node_search(MDB_cursor *mc, MDB_val *key, int *exactp) |
|
|
|
|
i = (low + high) >> 1; |
|
|
|
|
nodekey.mv_data = LEAF2KEY(mp, i, nodekey.mv_size); |
|
|
|
|
rc = cmp(key, &nodekey); |
|
|
|
|
DPRINTF("found leaf index %u [%s], rc = %i", |
|
|
|
|
i, DKEY(&nodekey), rc); |
|
|
|
|
DPRINTF(("found leaf index %u [%s], rc = %i", |
|
|
|
|
i, DKEY(&nodekey), rc)); |
|
|
|
|
if (rc == 0) |
|
|
|
|
break; |
|
|
|
|
if (rc > 0) |
|
|
|
@ -4370,11 +4367,11 @@ mdb_node_search(MDB_cursor *mc, MDB_val *key, int *exactp) |
|
|
|
|
rc = cmp(key, &nodekey); |
|
|
|
|
#if MDB_DEBUG |
|
|
|
|
if (IS_LEAF(mp)) |
|
|
|
|
DPRINTF("found leaf index %u [%s], rc = %i", |
|
|
|
|
i, DKEY(&nodekey), rc); |
|
|
|
|
DPRINTF(("found leaf index %u [%s], rc = %i", |
|
|
|
|
i, DKEY(&nodekey), rc)); |
|
|
|
|
else |
|
|
|
|
DPRINTF("found branch index %u [%s -> %"Z"u], rc = %i", |
|
|
|
|
i, DKEY(&nodekey), NODEPGNO(node), rc); |
|
|
|
|
DPRINTF(("found branch index %u [%s -> %"Z"u], rc = %i", |
|
|
|
|
i, DKEY(&nodekey), NODEPGNO(node), rc)); |
|
|
|
|
#endif |
|
|
|
|
if (rc == 0) |
|
|
|
|
break; |
|
|
|
@ -4421,15 +4418,15 @@ static void |
|
|
|
|
mdb_cursor_pop(MDB_cursor *mc) |
|
|
|
|
{ |
|
|
|
|
if (mc->mc_snum) { |
|
|
|
|
#ifndef MDB_DEBUG_SKIP |
|
|
|
|
#if MDB_DEBUG |
|
|
|
|
MDB_page *top = mc->mc_pg[mc->mc_top]; |
|
|
|
|
#endif |
|
|
|
|
mc->mc_snum--; |
|
|
|
|
if (mc->mc_snum) |
|
|
|
|
mc->mc_top--; |
|
|
|
|
|
|
|
|
|
DPRINTF("popped page %"Z"u off db %u cursor %p", top->mp_pgno, |
|
|
|
|
mc->mc_dbi, (void *) mc); |
|
|
|
|
DPRINTF(("popped page %"Z"u off db %u cursor %p", top->mp_pgno, |
|
|
|
|
mc->mc_dbi, (void *) mc)); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
@ -4437,8 +4434,8 @@ mdb_cursor_pop(MDB_cursor *mc) |
|
|
|
|
static int |
|
|
|
|
mdb_cursor_push(MDB_cursor *mc, MDB_page *mp) |
|
|
|
|
{ |
|
|
|
|
DPRINTF("pushing page %"Z"u on db %u cursor %p", mp->mp_pgno, |
|
|
|
|
mc->mc_dbi, (void *) mc); |
|
|
|
|
DPRINTF(("pushing page %"Z"u on db %u cursor %p", mp->mp_pgno, |
|
|
|
|
mc->mc_dbi, (void *) mc)); |
|
|
|
|
|
|
|
|
|
if (mc->mc_snum >= CURSOR_STACK) { |
|
|
|
|
assert(mc->mc_snum < CURSOR_STACK); |
|
|
|
@ -4499,7 +4496,7 @@ mdb_page_get(MDB_txn *txn, pgno_t pgno, MDB_page **ret, int *lvl) |
|
|
|
|
level = 0; |
|
|
|
|
p = (MDB_page *)(env->me_map + env->me_psize * pgno); |
|
|
|
|
} else { |
|
|
|
|
DPRINTF("page %"Z"u not found", pgno); |
|
|
|
|
DPRINTF(("page %"Z"u not found", pgno)); |
|
|
|
|
assert(p != NULL); |
|
|
|
|
return MDB_PAGE_NOTFOUND; |
|
|
|
|
} |
|
|
|
@ -4533,9 +4530,9 @@ mdb_page_search_root(MDB_cursor *mc, MDB_val *key, int modify) |
|
|
|
|
MDB_node *node; |
|
|
|
|
indx_t i; |
|
|
|
|
|
|
|
|
|
DPRINTF("branch page %"Z"u has %u keys", mp->mp_pgno, NUMKEYS(mp)); |
|
|
|
|
DPRINTF(("branch page %"Z"u has %u keys", mp->mp_pgno, NUMKEYS(mp))); |
|
|
|
|
assert(NUMKEYS(mp) > 1); |
|
|
|
|
DPRINTF("found index 0 to page %"Z"u", NODEPGNO(NODEPTR(mp, 0))); |
|
|
|
|
DPRINTF(("found index 0 to page %"Z"u", NODEPGNO(NODEPTR(mp, 0)))); |
|
|
|
|
|
|
|
|
|
if (key == NULL) /* Initialize cursor to first page. */ |
|
|
|
|
i = 0; |
|
|
|
@ -4557,8 +4554,7 @@ mdb_page_search_root(MDB_cursor *mc, MDB_val *key, int modify) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (key) |
|
|
|
|
DPRINTF("following index %u for key [%s]", |
|
|
|
|
i, DKEY(key)); |
|
|
|
|
DPRINTF(("following index %u for key [%s]", i, DKEY(key))); |
|
|
|
|
assert(i < NUMKEYS(mp)); |
|
|
|
|
node = NODEPTR(mp, i); |
|
|
|
|
|
|
|
|
@ -4577,13 +4573,13 @@ mdb_page_search_root(MDB_cursor *mc, MDB_val *key, int modify) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (!IS_LEAF(mp)) { |
|
|
|
|
DPRINTF("internal error, index points to a %02X page!?", |
|
|
|
|
mp->mp_flags); |
|
|
|
|
DPRINTF(("internal error, index points to a %02X page!?", |
|
|
|
|
mp->mp_flags)); |
|
|
|
|
return MDB_CORRUPTED; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
DPRINTF("found leaf page %"Z"u for key [%s]", mp->mp_pgno, |
|
|
|
|
key ? DKEY(key) : NULL); |
|
|
|
|
DPRINTF(("found leaf page %"Z"u for key [%s]", mp->mp_pgno, |
|
|
|
|
key ? DKEY(key) : NULL)); |
|
|
|
|
mc->mc_flags |= C_INITIALIZED; |
|
|
|
|
mc->mc_flags &= ~C_EOF; |
|
|
|
|
|
|
|
|
@ -4689,8 +4685,8 @@ mdb_page_search(MDB_cursor *mc, MDB_val *key, int flags) |
|
|
|
|
mc->mc_snum = 1; |
|
|
|
|
mc->mc_top = 0; |
|
|
|
|
|
|
|
|
|
DPRINTF("db %u root page %"Z"u has flags 0x%X", |
|
|
|
|
mc->mc_dbi, root, mc->mc_pg[0]->mp_flags); |
|
|
|
|
DPRINTF(("db %u root page %"Z"u has flags 0x%X", |
|
|
|
|
mc->mc_dbi, root, mc->mc_pg[0]->mp_flags)); |
|
|
|
|
|
|
|
|
|
if (flags & MDB_PS_MODIFY) { |
|
|
|
|
if ((rc = mdb_page_touch(mc))) |
|
|
|
@ -4713,7 +4709,7 @@ mdb_ovpage_free(MDB_cursor *mc, MDB_page *mp) |
|
|
|
|
MDB_IDL sl = txn->mt_spill_pgs; |
|
|
|
|
int rc; |
|
|
|
|
|
|
|
|
|
DPRINTF("free ov page %"Z"u (%d)", pg, ovpages); |
|
|
|
|
DPRINTF(("free ov page %"Z"u (%d)", pg, ovpages)); |
|
|
|
|
/* If the page is dirty or on the spill list we just acquired it,
|
|
|
|
|
* so we should give it back to our current free list, if any. |
|
|
|
|
* Otherwise put it onto the list of pages we freed in this txn. |
|
|
|
@ -4800,7 +4796,7 @@ mdb_node_read(MDB_txn *txn, MDB_node *leaf, MDB_val *data) |
|
|
|
|
data->mv_size = NODEDSZ(leaf); |
|
|
|
|
memcpy(&pgno, NODEDATA(leaf), sizeof(pgno)); |
|
|
|
|
if ((rc = mdb_page_get(txn, pgno, &omp, NULL)) != 0) { |
|
|
|
|
DPRINTF("read overflow page %"Z"u failed", pgno); |
|
|
|
|
DPRINTF(("read overflow page %"Z"u failed", pgno)); |
|
|
|
|
return rc; |
|
|
|
|
} |
|
|
|
|
data->mv_data = METADATA(omp); |
|
|
|
@ -4819,7 +4815,7 @@ mdb_get(MDB_txn *txn, MDB_dbi dbi, |
|
|
|
|
|
|
|
|
|
assert(key); |
|
|
|
|
assert(data); |
|
|
|
|
DPRINTF("===> get db %u key [%s]", dbi, DKEY(key)); |
|
|
|
|
DPRINTF(("===> get db %u key [%s]", dbi, DKEY(key))); |
|
|
|
|
|
|
|
|
|
if (txn == NULL || !dbi || dbi >= txn->mt_numdbs || !(txn->mt_dbflags[dbi] & DB_VALID)) |
|
|
|
|
return EINVAL; |
|
|
|
@ -4855,13 +4851,13 @@ mdb_cursor_sibling(MDB_cursor *mc, int move_right) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
mdb_cursor_pop(mc); |
|
|
|
|
DPRINTF("parent page is page %"Z"u, index %u", |
|
|
|
|
mc->mc_pg[mc->mc_top]->mp_pgno, mc->mc_ki[mc->mc_top]); |
|
|
|
|
DPRINTF(("parent page is page %"Z"u, index %u", |
|
|
|
|
mc->mc_pg[mc->mc_top]->mp_pgno, mc->mc_ki[mc->mc_top])); |
|
|
|
|
|
|
|
|
|
if (move_right ? (mc->mc_ki[mc->mc_top] + 1u >= NUMKEYS(mc->mc_pg[mc->mc_top])) |
|
|
|
|
: (mc->mc_ki[mc->mc_top] == 0)) { |
|
|
|
|
DPRINTF("no more keys left, moving to %s sibling", |
|
|
|
|
move_right ? "right" : "left"); |
|
|
|
|
DPRINTF(("no more keys left, moving to %s sibling", |
|
|
|
|
move_right ? "right" : "left")); |
|
|
|
|
if ((rc = mdb_cursor_sibling(mc, move_right)) != MDB_SUCCESS) { |
|
|
|
|
/* undo cursor_pop before returning */ |
|
|
|
|
mc->mc_top++; |
|
|
|
@ -4873,8 +4869,8 @@ mdb_cursor_sibling(MDB_cursor *mc, int move_right) |
|
|
|
|
mc->mc_ki[mc->mc_top]++; |
|
|
|
|
else |
|
|
|
|
mc->mc_ki[mc->mc_top]--; |
|
|
|
|
DPRINTF("just moving to %s index key %u", |
|
|
|
|
move_right ? "right" : "left", mc->mc_ki[mc->mc_top]); |
|
|
|
|
DPRINTF(("just moving to %s index key %u", |
|
|
|
|
move_right ? "right" : "left", mc->mc_ki[mc->mc_top])); |
|
|
|
|
} |
|
|
|
|
assert(IS_BRANCH(mc->mc_pg[mc->mc_top])); |
|
|
|
|
|
|
|
|
@ -4920,7 +4916,7 @@ mdb_cursor_next(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
DPRINTF("cursor_next: top page is %"Z"u in cursor %p", mp->mp_pgno, (void *) mc); |
|
|
|
|
DPRINTF(("cursor_next: top page is %"Z"u in cursor %p", mp->mp_pgno, (void *) mc)); |
|
|
|
|
|
|
|
|
|
if (mc->mc_ki[mc->mc_top] + 1u >= NUMKEYS(mp)) { |
|
|
|
|
DPUTS("=====> move to next sibling page"); |
|
|
|
@ -4929,12 +4925,12 @@ mdb_cursor_next(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) |
|
|
|
|
return rc; |
|
|
|
|
} |
|
|
|
|
mp = mc->mc_pg[mc->mc_top]; |
|
|
|
|
DPRINTF("next page is %"Z"u, key index %u", mp->mp_pgno, mc->mc_ki[mc->mc_top]); |
|
|
|
|
DPRINTF(("next page is %"Z"u, key index %u", mp->mp_pgno, mc->mc_ki[mc->mc_top])); |
|
|
|
|
} else |
|
|
|
|
mc->mc_ki[mc->mc_top]++; |
|
|
|
|
|
|
|
|
|
DPRINTF("==> cursor points to page %"Z"u with %u keys, key index %u", |
|
|
|
|
mp->mp_pgno, NUMKEYS(mp), mc->mc_ki[mc->mc_top]); |
|
|
|
|
DPRINTF(("==> cursor points to page %"Z"u with %u keys, key index %u", |
|
|
|
|
mp->mp_pgno, NUMKEYS(mp), mc->mc_ki[mc->mc_top])); |
|
|
|
|
|
|
|
|
|
if (IS_LEAF2(mp)) { |
|
|
|
|
key->mv_size = mc->mc_db->md_pad; |
|
|
|
@ -4990,7 +4986,7 @@ mdb_cursor_prev(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
DPRINTF("cursor_prev: top page is %"Z"u in cursor %p", mp->mp_pgno, (void *) mc); |
|
|
|
|
DPRINTF(("cursor_prev: top page is %"Z"u in cursor %p", mp->mp_pgno, (void *) mc)); |
|
|
|
|
|
|
|
|
|
if (mc->mc_ki[mc->mc_top] == 0) { |
|
|
|
|
DPUTS("=====> move to prev sibling page"); |
|
|
|
@ -4999,14 +4995,14 @@ mdb_cursor_prev(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) |
|
|
|
|
} |
|
|
|
|
mp = mc->mc_pg[mc->mc_top]; |
|
|
|
|
mc->mc_ki[mc->mc_top] = NUMKEYS(mp) - 1; |
|
|
|
|
DPRINTF("prev page is %"Z"u, key index %u", mp->mp_pgno, mc->mc_ki[mc->mc_top]); |
|
|
|
|
DPRINTF(("prev page is %"Z"u, key index %u", mp->mp_pgno, mc->mc_ki[mc->mc_top])); |
|
|
|
|
} else |
|
|
|
|
mc->mc_ki[mc->mc_top]--; |
|
|
|
|
|
|
|
|
|
mc->mc_flags &= ~C_EOF; |
|
|
|
|
|
|
|
|
|
DPRINTF("==> cursor points to page %"Z"u with %u keys, key index %u", |
|
|
|
|
mp->mp_pgno, NUMKEYS(mp), mc->mc_ki[mc->mc_top]); |
|
|
|
|
DPRINTF(("==> cursor points to page %"Z"u with %u keys, key index %u", |
|
|
|
|
mp->mp_pgno, NUMKEYS(mp), mc->mc_ki[mc->mc_top])); |
|
|
|
|
|
|
|
|
|
if (IS_LEAF2(mp)) { |
|
|
|
|
key->mv_size = mc->mc_db->md_pad; |
|
|
|
@ -5212,7 +5208,7 @@ set1: |
|
|
|
|
/* The key already matches in all other cases */ |
|
|
|
|
if (op == MDB_SET_RANGE || op == MDB_SET_KEY) |
|
|
|
|
MDB_GET_KEY(leaf, key); |
|
|
|
|
DPRINTF("==> cursor placed on key [%s]", DKEY(key)); |
|
|
|
|
DPRINTF(("==> cursor placed on key [%s]", DKEY(key))); |
|
|
|
|
|
|
|
|
|
return rc; |
|
|
|
|
} |
|
|
|
@ -5463,7 +5459,7 @@ fetchm: |
|
|
|
|
mfunc = mdb_cursor_last; |
|
|
|
|
goto mmove; |
|
|
|
|
default: |
|
|
|
|
DPRINTF("unhandled/unimplemented cursor operation %u", op); |
|
|
|
|
DPRINTF(("unhandled/unimplemented cursor operation %u", op)); |
|
|
|
|
rc = EINVAL; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
@ -5546,8 +5542,8 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data, |
|
|
|
|
return MDB_BAD_VALSIZE; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
DPRINTF("==> put db %u key [%s], size %"Z"u, data size %"Z"u", |
|
|
|
|
mc->mc_dbi, DKEY(key), key ? key->mv_size:0, data->mv_size); |
|
|
|
|
DPRINTF(("==> put db %u key [%s], size %"Z"u, data size %"Z"u", |
|
|
|
|
mc->mc_dbi, DKEY(key), key ? key->mv_size:0, data->mv_size)); |
|
|
|
|
|
|
|
|
|
dkey.mv_size = 0; |
|
|
|
|
|
|
|
|
@ -5580,7 +5576,7 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data, |
|
|
|
|
rc = mdb_cursor_set(mc, key, &d2, MDB_SET, &exact); |
|
|
|
|
} |
|
|
|
|
if ((flags & MDB_NOOVERWRITE) && rc == 0) { |
|
|
|
|
DPRINTF("duplicate key [%s]", DKEY(key)); |
|
|
|
|
DPRINTF(("duplicate key [%s]", DKEY(key))); |
|
|
|
|
*data = d2; |
|
|
|
|
return MDB_KEYEXIST; |
|
|
|
|
} |
|
|
|
@ -5841,7 +5837,7 @@ current: |
|
|
|
|
mdb_node_del(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], 0); |
|
|
|
|
mc->mc_db->md_entries--; |
|
|
|
|
} else { |
|
|
|
|
DPRINTF("inserting key at index %i", mc->mc_ki[mc->mc_top]); |
|
|
|
|
DPRINTF(("inserting key at index %i", mc->mc_ki[mc->mc_top])); |
|
|
|
|
insert = 1; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
@ -6043,8 +6039,8 @@ mdb_page_new(MDB_cursor *mc, uint32_t flags, int num, MDB_page **mp) |
|
|
|
|
|
|
|
|
|
if ((rc = mdb_page_alloc(mc, num, &np))) |
|
|
|
|
return rc; |
|
|
|
|
DPRINTF("allocated new mpage %"Z"u, page size %u", |
|
|
|
|
np->mp_pgno, mc->mc_txn->mt_env->me_psize); |
|
|
|
|
DPRINTF(("allocated new mpage %"Z"u, page size %u", |
|
|
|
|
np->mp_pgno, mc->mc_txn->mt_env->me_psize)); |
|
|
|
|
np->mp_flags = flags | P_DIRTY; |
|
|
|
|
np->mp_lower = PAGEHDRSZ; |
|
|
|
|
np->mp_upper = mc->mc_txn->mt_env->me_psize; |
|
|
|
@ -6142,11 +6138,11 @@ mdb_node_add(MDB_cursor *mc, indx_t indx, |
|
|
|
|
|
|
|
|
|
assert(mp->mp_upper >= mp->mp_lower); |
|
|
|
|
|
|
|
|
|
DPRINTF("add to %s %spage %"Z"u index %i, data size %"Z"u key size %"Z"u [%s]", |
|
|
|
|
DPRINTF(("add to %s %spage %"Z"u index %i, data size %"Z"u key size %"Z"u [%s]", |
|
|
|
|
IS_LEAF(mp) ? "leaf" : "branch", |
|
|
|
|
IS_SUBP(mp) ? "sub-" : "", |
|
|
|
|
mp->mp_pgno, indx, data ? data->mv_size : 0, |
|
|
|
|
key ? key->mv_size : 0, key ? DKEY(key) : NULL); |
|
|
|
|
key ? key->mv_size : 0, key ? DKEY(key) : NULL)); |
|
|
|
|
|
|
|
|
|
if (IS_LEAF2(mp)) { |
|
|
|
|
/* Move higher keys up one slot. */ |
|
|
|
@ -6176,12 +6172,12 @@ mdb_node_add(MDB_cursor *mc, indx_t indx, |
|
|
|
|
int ovpages = OVPAGES(data->mv_size, mc->mc_txn->mt_env->me_psize); |
|
|
|
|
int rc; |
|
|
|
|
/* Put data on overflow page. */ |
|
|
|
|
DPRINTF("data size is %"Z"u, node would be %"Z"u, put data on overflow page", |
|
|
|
|
data->mv_size, node_size+data->mv_size); |
|
|
|
|
DPRINTF(("data size is %"Z"u, node would be %"Z"u, put data on overflow page", |
|
|
|
|
data->mv_size, node_size+data->mv_size)); |
|
|
|
|
node_size += sizeof(pgno_t); |
|
|
|
|
if ((rc = mdb_page_new(mc, P_OVERFLOW, ovpages, &ofp))) |
|
|
|
|
return rc; |
|
|
|
|
DPRINTF("allocated overflow page %"Z"u", ofp->mp_pgno); |
|
|
|
|
DPRINTF(("allocated overflow page %"Z"u", ofp->mp_pgno)); |
|
|
|
|
flags |= F_BIGDATA; |
|
|
|
|
} else { |
|
|
|
|
node_size += data->mv_size; |
|
|
|
@ -6190,11 +6186,11 @@ mdb_node_add(MDB_cursor *mc, indx_t indx, |
|
|
|
|
node_size += node_size & 1; |
|
|
|
|
|
|
|
|
|
if (node_size + sizeof(indx_t) > SIZELEFT(mp)) { |
|
|
|
|
DPRINTF("not enough room in page %"Z"u, got %u ptrs", |
|
|
|
|
mp->mp_pgno, NUMKEYS(mp)); |
|
|
|
|
DPRINTF("upper - lower = %u - %u = %u", mp->mp_upper, mp->mp_lower, |
|
|
|
|
mp->mp_upper - mp->mp_lower); |
|
|
|
|
DPRINTF("node size = %"Z"u", node_size); |
|
|
|
|
DPRINTF(("not enough room in page %"Z"u, got %u ptrs", |
|
|
|
|
mp->mp_pgno, NUMKEYS(mp))); |
|
|
|
|
DPRINTF(("upper - lower = %u - %u = %u", mp->mp_upper, mp->mp_lower, |
|
|
|
|
mp->mp_upper - mp->mp_lower)); |
|
|
|
|
DPRINTF(("node size = %"Z"u", node_size)); |
|
|
|
|
return MDB_PAGE_FULL; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
@ -6263,8 +6259,8 @@ mdb_node_del(MDB_page *mp, indx_t indx, int ksize) |
|
|
|
|
{ |
|
|
|
|
pgno_t pgno; |
|
|
|
|
COPY_PGNO(pgno, mp->mp_pgno); |
|
|
|
|
DPRINTF("delete node %u on %s page %"Z"u", indx, |
|
|
|
|
IS_LEAF(mp) ? "leaf" : "branch", pgno); |
|
|
|
|
DPRINTF(("delete node %u on %s page %"Z"u", indx, |
|
|
|
|
IS_LEAF(mp) ? "leaf" : "branch", pgno)); |
|
|
|
|
} |
|
|
|
|
#endif |
|
|
|
|
assert(indx < NUMKEYS(mp)); |
|
|
|
@ -6425,8 +6421,8 @@ mdb_xcursor_init1(MDB_cursor *mc, MDB_node *node) |
|
|
|
|
mx->mx_db.md_flags |= MDB_INTEGERKEY; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
DPRINTF("Sub-db %u for db %u root page %"Z"u", mx->mx_cursor.mc_dbi, mc->mc_dbi, |
|
|
|
|
mx->mx_db.md_root); |
|
|
|
|
DPRINTF(("Sub-db %u for db %u root page %"Z"u", mx->mx_cursor.mc_dbi, mc->mc_dbi, |
|
|
|
|
mx->mx_db.md_root)); |
|
|
|
|
mx->mx_dbflag = DB_VALID | (F_ISSET(mc->mc_pg[mc->mc_top]->mp_flags, P_DIRTY) ? |
|
|
|
|
DB_DIRTY : 0); |
|
|
|
|
mx->mx_dbx.md_name.mv_data = NODEKEY(node); |
|
|
|
@ -6595,11 +6591,11 @@ mdb_update_key(MDB_cursor *mc, MDB_val *key) |
|
|
|
|
char kbuf2[(MDB_MAXKEYSIZE*2+1)]; |
|
|
|
|
k2.mv_data = NODEKEY(node); |
|
|
|
|
k2.mv_size = node->mn_ksize; |
|
|
|
|
DPRINTF("update key %u (ofs %u) [%s] to [%s] on page %"Z"u", |
|
|
|
|
DPRINTF(("update key %u (ofs %u) [%s] to [%s] on page %"Z"u", |
|
|
|
|
indx, ptr, |
|
|
|
|
mdb_dkey(&k2, kbuf2), |
|
|
|
|
DKEY(key), |
|
|
|
|
mp->mp_pgno); |
|
|
|
|
mp->mp_pgno)); |
|
|
|
|
} |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -6613,7 +6609,7 @@ mdb_update_key(MDB_cursor *mc, MDB_val *key) |
|
|
|
|
if (delta > 0 && SIZELEFT(mp) < delta) { |
|
|
|
|
pgno_t pgno; |
|
|
|
|
/* not enough space left, do a delete and split */ |
|
|
|
|
DPRINTF("Not enough room, delta = %d, splitting...", delta); |
|
|
|
|
DPRINTF(("Not enough room, delta = %d, splitting...", delta)); |
|
|
|
|
pgno = NODEPGNO(node); |
|
|
|
|
mdb_node_del(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], 0); |
|
|
|
|
return mdb_page_split(mc, key, NULL, pgno, MDB_SPLIT_REPLACE); |
|
|
|
@ -6723,12 +6719,12 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst) |
|
|
|
|
return rc; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
DPRINTF("moving %s node %u [%s] on page %"Z"u to node %u on page %"Z"u", |
|
|
|
|
DPRINTF(("moving %s node %u [%s] on page %"Z"u to node %u on page %"Z"u", |
|
|
|
|
IS_LEAF(csrc->mc_pg[csrc->mc_top]) ? "leaf" : "branch", |
|
|
|
|
csrc->mc_ki[csrc->mc_top], |
|
|
|
|
DKEY(&key), |
|
|
|
|
csrc->mc_pg[csrc->mc_top]->mp_pgno, |
|
|
|
|
cdst->mc_ki[cdst->mc_top], cdst->mc_pg[cdst->mc_top]->mp_pgno); |
|
|
|
|
cdst->mc_ki[cdst->mc_top], cdst->mc_pg[cdst->mc_top]->mp_pgno)); |
|
|
|
|
|
|
|
|
|
/* Add the node to the destination page.
|
|
|
|
|
*/ |
|
|
|
@ -6774,8 +6770,8 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst) |
|
|
|
|
key.mv_size = NODEKSZ(srcnode); |
|
|
|
|
key.mv_data = NODEKEY(srcnode); |
|
|
|
|
} |
|
|
|
|
DPRINTF("update separator for source page %"Z"u to [%s]", |
|
|
|
|
csrc->mc_pg[csrc->mc_top]->mp_pgno, DKEY(&key)); |
|
|
|
|
DPRINTF(("update separator for source page %"Z"u to [%s]", |
|
|
|
|
csrc->mc_pg[csrc->mc_top]->mp_pgno, DKEY(&key))); |
|
|
|
|
mdb_cursor_copy(csrc, &mn); |
|
|
|
|
mn.mc_snum--; |
|
|
|
|
mn.mc_top--; |
|
|
|
@ -6802,8 +6798,8 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst) |
|
|
|
|
key.mv_size = NODEKSZ(srcnode); |
|
|
|
|
key.mv_data = NODEKEY(srcnode); |
|
|
|
|
} |
|
|
|
|
DPRINTF("update separator for destination page %"Z"u to [%s]", |
|
|
|
|
cdst->mc_pg[cdst->mc_top]->mp_pgno, DKEY(&key)); |
|
|
|
|
DPRINTF(("update separator for destination page %"Z"u to [%s]", |
|
|
|
|
cdst->mc_pg[cdst->mc_top]->mp_pgno, DKEY(&key))); |
|
|
|
|
mdb_cursor_copy(cdst, &mn); |
|
|
|
|
mn.mc_snum--; |
|
|
|
|
mn.mc_top--; |
|
|
|
@ -6840,8 +6836,8 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst) |
|
|
|
|
MDB_val key, data; |
|
|
|
|
unsigned nkeys; |
|
|
|
|
|
|
|
|
|
DPRINTF("merging page %"Z"u into %"Z"u", csrc->mc_pg[csrc->mc_top]->mp_pgno, |
|
|
|
|
cdst->mc_pg[cdst->mc_top]->mp_pgno); |
|
|
|
|
DPRINTF(("merging page %"Z"u into %"Z"u", csrc->mc_pg[csrc->mc_top]->mp_pgno, |
|
|
|
|
cdst->mc_pg[cdst->mc_top]->mp_pgno)); |
|
|
|
|
|
|
|
|
|
assert(csrc->mc_snum > 1); /* can't merge root page */ |
|
|
|
|
assert(cdst->mc_snum > 1); |
|
|
|
@ -6893,8 +6889,9 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
DPRINTF("dst page %"Z"u now has %u keys (%.1f%% filled)", |
|
|
|
|
cdst->mc_pg[cdst->mc_top]->mp_pgno, NUMKEYS(cdst->mc_pg[cdst->mc_top]), (float)PAGEFILL(cdst->mc_txn->mt_env, cdst->mc_pg[cdst->mc_top]) / 10); |
|
|
|
|
DPRINTF(("dst page %"Z"u now has %u keys (%.1f%% filled)", |
|
|
|
|
cdst->mc_pg[cdst->mc_top]->mp_pgno, NUMKEYS(cdst->mc_pg[cdst->mc_top]), |
|
|
|
|
(float)PAGEFILL(cdst->mc_txn->mt_env, cdst->mc_pg[cdst->mc_top]) / 10)); |
|
|
|
|
|
|
|
|
|
/* Unlink the src page from parent and add to free list.
|
|
|
|
|
*/ |
|
|
|
@ -6984,9 +6981,10 @@ mdb_rebalance(MDB_cursor *mc) |
|
|
|
|
{ |
|
|
|
|
pgno_t pgno; |
|
|
|
|
COPY_PGNO(pgno, mc->mc_pg[mc->mc_top]->mp_pgno); |
|
|
|
|
DPRINTF("rebalancing %s page %"Z"u (has %u keys, %.1f%% full)", |
|
|
|
|
DPRINTF(("rebalancing %s page %"Z"u (has %u keys, %.1f%% full)", |
|
|
|
|
IS_LEAF(mc->mc_pg[mc->mc_top]) ? "leaf" : "branch", |
|
|
|
|
pgno, NUMKEYS(mc->mc_pg[mc->mc_top]), (float)PAGEFILL(mc->mc_txn->mt_env, mc->mc_pg[mc->mc_top]) / 10); |
|
|
|
|
pgno, NUMKEYS(mc->mc_pg[mc->mc_top]), |
|
|
|
|
(float)PAGEFILL(mc->mc_txn->mt_env, mc->mc_pg[mc->mc_top]) / 10)); |
|
|
|
|
} |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -6995,8 +6993,8 @@ mdb_rebalance(MDB_cursor *mc) |
|
|
|
|
#if MDB_DEBUG |
|
|
|
|
pgno_t pgno; |
|
|
|
|
COPY_PGNO(pgno, mc->mc_pg[mc->mc_top]->mp_pgno); |
|
|
|
|
DPRINTF("no need to rebalance page %"Z"u, above fill threshold", |
|
|
|
|
pgno); |
|
|
|
|
DPRINTF(("no need to rebalance page %"Z"u, above fill threshold", |
|
|
|
|
pgno)); |
|
|
|
|
#endif |
|
|
|
|
return MDB_SUCCESS; |
|
|
|
|
} |
|
|
|
@ -7116,8 +7114,9 @@ mdb_rebalance(MDB_cursor *mc) |
|
|
|
|
mc->mc_ki[mc->mc_top] = 0; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
DPRINTF("found neighbor page %"Z"u (%u keys, %.1f%% full)", |
|
|
|
|
mn.mc_pg[mn.mc_top]->mp_pgno, NUMKEYS(mn.mc_pg[mn.mc_top]), (float)PAGEFILL(mc->mc_txn->mt_env, mn.mc_pg[mn.mc_top]) / 10); |
|
|
|
|
DPRINTF(("found neighbor page %"Z"u (%u keys, %.1f%% full)", |
|
|
|
|
mn.mc_pg[mn.mc_top]->mp_pgno, NUMKEYS(mn.mc_pg[mn.mc_top]), |
|
|
|
|
(float)PAGEFILL(mc->mc_txn->mt_env, mn.mc_pg[mn.mc_top]) / 10)); |
|
|
|
|
|
|
|
|
|
/* If the neighbor page is above threshold and has enough keys,
|
|
|
|
|
* move one key from it. Otherwise we should try to merge them. |
|
|
|
@ -7204,7 +7203,7 @@ mdb_del(MDB_txn *txn, MDB_dbi dbi, |
|
|
|
|
|
|
|
|
|
assert(key != NULL); |
|
|
|
|
|
|
|
|
|
DPRINTF("====> delete db %u key [%s]", dbi, DKEY(key)); |
|
|
|
|
DPRINTF(("====> delete db %u key [%s]", dbi, DKEY(key))); |
|
|
|
|
|
|
|
|
|
if (txn == NULL || !dbi || dbi >= txn->mt_numdbs || !(txn->mt_dbflags[dbi] & DB_VALID)) |
|
|
|
|
return EINVAL; |
|
|
|
@ -7280,14 +7279,14 @@ mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno |
|
|
|
|
mp = mc->mc_pg[mc->mc_top]; |
|
|
|
|
newindx = mc->mc_ki[mc->mc_top]; |
|
|
|
|
|
|
|
|
|
DPRINTF("-----> splitting %s page %"Z"u and adding [%s] at index %i", |
|
|
|
|
DPRINTF(("-----> splitting %s page %"Z"u and adding [%s] at index %i", |
|
|
|
|
IS_LEAF(mp) ? "leaf" : "branch", mp->mp_pgno, |
|
|
|
|
DKEY(newkey), mc->mc_ki[mc->mc_top]); |
|
|
|
|
DKEY(newkey), mc->mc_ki[mc->mc_top])); |
|
|
|
|
|
|
|
|
|
/* Create a right sibling. */ |
|
|
|
|
if ((rc = mdb_page_new(mc, mp->mp_flags, 1, &rp))) |
|
|
|
|
return rc; |
|
|
|
|
DPRINTF("new right sibling: page %"Z"u", rp->mp_pgno); |
|
|
|
|
DPRINTF(("new right sibling: page %"Z"u", rp->mp_pgno)); |
|
|
|
|
|
|
|
|
|
if (mc->mc_snum < 2) { |
|
|
|
|
if ((rc = mdb_page_new(mc, P_BRANCH, 1, &pp))) |
|
|
|
@ -7298,7 +7297,7 @@ mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno |
|
|
|
|
mc->mc_pg[0] = pp; |
|
|
|
|
mc->mc_ki[0] = 0; |
|
|
|
|
mc->mc_db->md_root = pp->mp_pgno; |
|
|
|
|
DPRINTF("root split! new root = %"Z"u", pp->mp_pgno); |
|
|
|
|
DPRINTF(("root split! new root = %"Z"u", pp->mp_pgno)); |
|
|
|
|
mc->mc_db->md_depth++; |
|
|
|
|
new_root = 1; |
|
|
|
|
|
|
|
|
@ -7316,7 +7315,7 @@ mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno |
|
|
|
|
ptop = 0; |
|
|
|
|
} else { |
|
|
|
|
ptop = mc->mc_top-1; |
|
|
|
|
DPRINTF("parent branch page is %"Z"u", mc->mc_pg[ptop]->mp_pgno); |
|
|
|
|
DPRINTF(("parent branch page is %"Z"u", mc->mc_pg[ptop]->mp_pgno)); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
mc->mc_flags |= C_SPLITTING; |
|
|
|
@ -7459,7 +7458,7 @@ mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
newsep: |
|
|
|
|
DPRINTF("separator is [%s]", DKEY(&sepkey)); |
|
|
|
|
DPRINTF(("separator is [%s]", DKEY(&sepkey))); |
|
|
|
|
|
|
|
|
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/* Copy separator key to the parent.
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*/ |
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