Wow. I’ll look into that soon. Do you think you can provide me with a
little test case (e.g., a BaseX command script) to reproduce this?
Tim Thompson <timat...@gmail.com> schrieb am Di., 15. Nov. 2022, 19:16:
> Thanks! I just tried to dump the contents of the store to a database value:
>
> db:put-value(
> "entries",
> array {
> store:keys() ! store:get(.) (: sequence of arrays :)
> },
> "x"
> )
>
> But when I query with db:get-value("entries", "x"), I get a "Not Expected"
> error. Should this kind of operation be possible?
>
> Error:
> Improper use? Potential bug? Your feedback is welcome:
> Contact: basex-talk@mailman.uni-konstanz.de
> Version: BaseX 10.3 beta
> Java: Azul Systems, Inc., 11.0.16
> OS: Mac OS X, aarch64
> Stack Trace:
> java.lang.RuntimeException: Not Expected.
> at org.basex.util.Util.notExpected(Util.java:54)
> at org.basex.query.value.type.AtomType.read(AtomType.java:983)
> at org.basex.core.Store.read(Store.java:315)
> at org.basex.query.func.db.DbGetValue.resource(DbGetValue.java:70)
> at org.basex.query.func.db.DbGetValue.value(DbGetValue.java:46)
> at org.basex.query.func.db.DbGetValue.value(DbGetValue.java:27)
> at org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)
> at org.basex.query.scope.MainModule.iter(MainModule.java:48)
> at org.basex.query.QueryContext.lambda$4(QueryContext.java:354)
> at org.basex.query.QueryContext.run(QueryContext.java:763)
> at org.basex.query.QueryContext.iter(QueryContext.java:354)
> at org.basex.query.QueryContext.lambda$6(QueryContext.java:601)
> at org.basex.query.QueryContext.run(QueryContext.java:763)
> at org.basex.query.QueryContext.cache(QueryContext.java:598)
> at org.basex.query.QueryProcessor.cache(QueryProcessor.java:118)
> at org.basex.core.cmd.AQuery.run(AQuery.java:82)
> at org.basex.core.Command.run(Command.java:233)
> at org.basex.core.Command.execute(Command.java:93)
> at org.basex.gui.GUI.execute(GUI.java:415)
> at org.basex.gui.GUI.lambda$5(GUI.java:360)
> at java.base/java.lang.Thread.run(Thread.java:829)
>
>
>
> --
> Tim A. Thompson (he, him)
> Librarian for Applied Metadata Research
> www.linkedin.com/in/timathompson
> timothy.thomp...@yale.edu
>
>
> El mar, 15 nov 2022 a la(s) 13:07, Christian Grün (
> christian.gr...@gmail.com) escribió:
>
>> You'll be safe: Updates with db:put-value will be managed via the Pending
>> Update List [1], and future queries that operate on the same database will
>> be queued until the update is finished.
>>
>> [1] https://docs.basex.org/wiki/XQuery_Update#Pending_Update_List
>>
>>
>>
>> Tim Thompson <timat...@gmail.com> schrieb am Di., 15. Nov. 2022, 18:50:
>>
>>> That's perfect--I knew I was missing something :)
>>>
>>> Are db:get-value and db:put-value side-effecting as well?
>>>
>>> Thanks,
>>> Tim
>>>
>>>
>>> --
>>> Tim A. Thompson (he, him)
>>> Librarian for Applied Metadata Research
>>> www.linkedin.com/in/timathompson
>>> timothy.thomp...@yale.edu
>>>
>>>
>>> El mar, 15 nov 2022 a la(s) 12:28, Christian Grün (
>>> christian.gr...@gmail.com) escribió:
>>>
>>>> Hi Tim,
>>>>
>>>> > Using the store module, is it possible to read and merge multiple
>>>> custom stores into main memory
>>>>
>>>> We could add an argument (or options) to file:read to allow entries to
>>>> be added to an existing main-memory store.
>>>>
>>>> > set a particular store as context for a query?
>>>>
>>>> The recommended approach is to invoke store:read before any other
>>>> operation in the query. Please note, however, that the store will be
>>>> globally available. If a second query runs on the same server and
>>>> opens another store, it will change the behavior of the first query.
>>>> For such use cases, it’s better to use databases.
>>>>
>>>> > Or, do I need to serialize the stores, e.g., as JSON and then create
>>>> databases for them?
>>>>
>>>> You could have a look at the new db:get-value and db:put-value
>>>> functions [1]: These functions have particularly been designed to
>>>> organize XQuery items in databases, making casts to JSON or XML
>>>> obsolete.
>>>>
>>>> Hope this helps,
>>>> Christian
>>>>
>>>> [1] https://docs.basex.org/wiki/Database_Module#db:get-value
>>>>
>>>
