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| author | Susan LoVerso <sue@wiredtiger.com> | 2014-07-30 11:27:58 -0400 |
|---|---|---|
| committer | Susan LoVerso <sue@wiredtiger.com> | 2014-07-30 11:27:58 -0400 |
| commit | d69656ec25c4fa46084ae5f598ba4f9bd10aca57 (patch) | |
| tree | fd90f26749276bb39b776caa6bf036b96b94827f /examples | |
| parent | d2557e22d378fa65d8c1083d1f8d7febe9fc96d3 (diff) | |
| download | mongo-d69656ec25c4fa46084ae5f598ba4f9bd10aca57.tar.gz | |
Add cursor log documentation. Minor example code changes for doc
readability. #1106
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/c/ex_log.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/examples/c/ex_log.c b/examples/c/ex_log.c index 5036b5407cb..581338277e2 100644 --- a/examples/c/ex_log.c +++ b/examples/c/ex_log.c @@ -44,27 +44,28 @@ const char *uri = "table:logtest"; #define WALK_PRINT(lsn) \ printf("LSN [%d][%" PRIu64 "]: record type %d size %" PRIu64 "\n", \ - lsn.file, lsn.offset, rectype, (uint64_t)log_recv.size); + lsn.file, lsn.offset, rectype, (uint64_t)logrec_value.size); #define STEP_PRINT \ printf("LSN [%d][%" PRIu64 "].%d: " \ " record type %d optype %d txnid %" PRIu64 " fileid %d", \ lsn.file, lsn.offset, opcount, rectype, \ optype, txnid, fileid); \ - if (log_reck.size != 0) \ - printf(" key size %" PRIu64, (uint64_t)log_reck.size); \ - if (log_recv.size != 0) \ - printf(" value size %" PRIu64, (uint64_t)log_recv.size); \ + if (logrec_key.size != 0) \ + printf(" key size %" PRIu64, (uint64_t)logrec_key.size); \ + if (logrec_value.size != 0) \ + printf(" value size %" PRIu64, (uint64_t)logrec_value.size); \ printf("\n"); static int walk_log(WT_SESSION *session) { int i, ret; + WT_LSN lsnsave; /*! [log cursor] */ WT_CURSOR *cursor; - WT_LSN lsn, lsnsave; - WT_ITEM log_reck, log_recv; + WT_LSN lsn; + WT_ITEM logrec_key, logrec_value; uint64_t txnid; uint32_t fileid, optype, rectype; @@ -80,7 +81,7 @@ walk_log(WT_SESSION *session) lsnsave = lsn; /*! [log cursor get_value] */ ret = cursor->get_value(cursor, &txnid, &rectype, - &optype, &fileid, &log_reck, &log_recv); + &optype, &fileid, &logrec_key, &logrec_value); /*! [log cursor get_value] */ WALK_PRINT(lsn); } @@ -91,9 +92,9 @@ walk_log(WT_SESSION *session) /*! [log cursor search] */ ret = cursor->search(cursor); /*! [log cursor search] */ - log_recv.size = 0; + logrec_value.size = 0; ret = cursor->get_value(cursor, &txnid, &rectype, - &optype, &fileid, &log_reck, &log_recv); + &optype, &fileid, &logrec_key, &logrec_value); assert(optype == 0); printf("Searched "); WALK_PRINT(lsnsave); @@ -162,7 +163,7 @@ step_log(WT_SESSION *session) WT_CONNECTION *wt_conn2; WT_CURSOR *cursor, *cursor2; WT_LSN lsn, lsnsave; - WT_ITEM log_reck, log_recv; + WT_ITEM logrec_key, logrec_value; WT_SESSION *session2; uint64_t prev_txnid, txnid; uint32_t fileid, opcount, optype, rectype; @@ -186,7 +187,7 @@ step_log(WT_SESSION *session) lsnsave = lsn; /*! [log step get_value] */ ret = cursor->get_value(cursor, &txnid, &rectype, - &optype, &fileid, &log_reck, &log_recv); + &optype, &fileid, &logrec_key, &logrec_value); /*! [log step get_value] */ STEP_PRINT; /* @@ -211,8 +212,8 @@ step_log(WT_SESSION *session) in_txn = 1; } prev_txnid = txnid; - cursor2->set_key(cursor2, &log_reck); - cursor2->set_value(cursor2, &log_recv); + cursor2->set_key(cursor2, &logrec_key); + cursor2->set_value(cursor2, &logrec_value); ret = cursor2->insert(cursor2); } } @@ -249,7 +250,7 @@ step_log(WT_SESSION *session) lsnsave.offset == lsn.offset); } ret = cursor->get_value(cursor, &txnid, &rectype, - &optype, &fileid, &log_reck, &log_recv); + &optype, &fileid, &logrec_key, &logrec_value); STEP_PRINT; ret = cursor->next(cursor); if (ret != 0) |