diff options
Diffstat (limited to 'db/docs/gsg/C/secondaryDelete.html')
| -rw-r--r-- | db/docs/gsg/C/secondaryDelete.html | 46 |
1 files changed, 10 insertions, 36 deletions
diff --git a/db/docs/gsg/C/secondaryDelete.html b/db/docs/gsg/C/secondaryDelete.html index a62f28b34..d39ebdab5 100644 --- a/db/docs/gsg/C/secondaryDelete.html +++ b/db/docs/gsg/C/secondaryDelete.html @@ -43,10 +43,10 @@ database and simply allow DB to manage the secondary modifications for you. </p> <p> - However, as a convenience, you can delete a + However, as a convenience, you can delete <span>secondary database</span> - record directly. Doing so causes the associated primary key/data pair to be deleted. + records directly. Doing so causes the associated primary key/data pair to be deleted. This in turn causes DB to delete all <span>secondary database</span> @@ -72,38 +72,12 @@ <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"> <h3 class="title">Note</h3> <p> + + <span> You can delete a secondary database record using the previously - described mechanism only if: - </p> - <div class="itemizedlist"> - <ul type="disc"> - <li> - <p> - the - - <span>secondary key extractor function</span> - - returns - - <span><tt class="literal">0</tt></span> - (see <a href="keyCreator.html">Implementing Key - - <span>Extractors</span> - </a> for information on this - - <span>callback).</span> - </p> - </li> - <li> - <p> - the primary database is opened for write access. - </p> - </li> - </ul> - </div> - <p> - If either of these conditions are not met, then no delete operations can be performed on the secondary - database. + described mechanism + </span> + only if the primary database is opened for write access. </p> </div> <p>For example:</p> @@ -116,7 +90,7 @@ DB *dbp, *sdbp; /* Primary and secondary DB handles */ DBT key; /* DBTs used for the delete */ int ret; /* Function return value */ -char *search_name = "John Doe"; /* Name to delete */ +char *search_name = "John Doe"; /* Name to delete */ /* Primary */ ret = db_create(&dbp, NULL, 0); @@ -139,7 +113,7 @@ if (ret != 0) { /* open the primary database */ ret = dbp->open(dbp, /* DB structure pointer */ NULL, /* Transaction pointer */ - "my_db.db", /* On-disk file that holds the database. + "my_db.db", /* On-disk file that holds the database. * Required. */ NULL, /* Optional logical database name */ DB_BTREE, /* Database access method */ @@ -152,7 +126,7 @@ if (ret != 0) { /* open the secondary database */ ret = sdbp->open(sdbp, /* DB structure pointer */ NULL, /* Transaction pointer */ - "my_secdb.db", /* On-disk file that holds the database. + "my_secdb.db", /* On-disk file that holds the database. * Required. */ NULL, /* Optional logical database name */ DB_BTREE, /* Database access method */ |