X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=doc%2Fvirt_db.xml;h=365f684c35e3deffb3cf3fee57d4f64b67b4e63d;hb=f22c5866171577fa6a27f07a784e8b1b84a331e1;hp=1fbdf9687af20fe6ca98fa9224d7a65b1c454d3e;hpb=59a80dbc0ba9631cc217c0a87e9d9d86c5732fe9;p=metaproxy-moved-to-github.git diff --git a/doc/virt_db.xml b/doc/virt_db.xml index 1fbdf96..365f684 100644 --- a/doc/virt_db.xml +++ b/doc/virt_db.xml @@ -1,38 +1,52 @@ - %idcommon; ]> + + Metaproxy + Index Data + + virt_db 3mp - Metaproxy Module - - + Metaproxy Module + + virt_db Metaproxy Virtual Databases Module - + DESCRIPTION This filter allows one Z39.50 database to be me mapped to another target; or even multiple targets. - The configuration of virt_db consists of zero or more + The configuration of virt_db consists of zero or more <virtual> elements each describing the Z39.50 virtual database recognized. The name of the database is the text content of the <database> element which should be - first element inside th virtual section. + first element inside the virtual section. + + + For Metaproxy 1.0.20 and later, the database is treated as a glob pattern. + This allows operators * (any number of any character) and + ? (any single character). The virtual sections are inspected in + the order given. The first matching virtual database is used. Following that is one or more <target> elements with the identifier of each target that the virtual database - maps to. + maps to. If a database is given for a target (following a slash), that + database name is used as Z39.50 database for this target. If the + database is omitted for the target, the original (virtual) database + is used as Z39.50 database. If multiple targets are given that has special meaning depending on the @@ -51,7 +65,14 @@ databases do not result in the same routing. - + + SCHEMA + + + + EXAMPLES Consider this virt_db configuration: @@ -74,10 +95,14 @@ db3 indexdata.com/special + + * + localhost:9999<-- database not altered --> + ]]> - This will offer 4 databases, db1, + This will offer 4 databases, db1, db2, combined and db3. If a Z39.50 specifies db1 and db2 that will have same effect as specifying @@ -87,8 +112,8 @@ Since db3 routes differently from the other databases, this database may not be combined with the others. - - + + SEE ALSO @@ -107,21 +132,13 @@ - + ©right;