How can I give an alias for a field where I am using is not null, for example
create.select(SOMETABLE.ID.isNotNull()
I can't use .as(..) after isNotNull()
Thanks
I am using an old version of jooq, 3.4.x.
I don't think it matters but I am using apache derby.
Use DSL.field(Condition) to turn a Condition into a Field<Boolean>
Related
I have a Cassandra table which includes a user-defined type. Using CassandraTemplate from Spring Data Cassandra, I want to update a single field of that UDT. This doesn't seem possible.
I have tried this:
database.update(query(
where("party_id").is(partyId)).and(where("relationship_id").is(relationshipId)),
update("address.address_line_1", "this field was updated"),
Address.class);
This throws:
Query error after 3 ms: UPDATE current_addresses_by_party SET "address.address_line_1"=? WHERE party_id=? AND relationship_id=?;com.datastax.driver.core.exceptions.InvalidQueryException: Undefined column name "address.address_line_1"
Running the CQL given in the error output without the quotes works. I don't know if there's a way to get Spring to execute this statement without putting the column name in quotes.
In a fit of optimism I also tried using the syntax for map types:
database.update(query(
where("party_id").is(partyId)).and(where("relationship_id").is(relationshipId)),
Update.empty().set("address").atKey("address_line_1").to("this field was updated"),
Address.class)
This resulted in the error you would expect: the field is not a map.
Is there a way to do what I want with CassandraTemplate without resorting to direct CQL? If CassandraTemplate lacks this feature, it would be great if the devs added it.
I was surprised that I couldn't find anyone else wanting to do this. Maybe I'm doing something completely wrong? I'm fairly new to Cassandra.
I was trying to set index type from exact to fulltext in neo4j shell, so i can do incasesensitive search with lucene query. So i used this command:
index --set-config Destination type fulltext
but it didn't work. Still couldn't do case insensitive search, so a played around and change some other values, like _blueprints:type and to_lower_case.
That didn't do any good.
Now it somehow ignores first character of name value ( weird ! ) . So if i am searching for "London" for example and i type "Lon" it returns nothing. But if i type "ond" it returns the node. The same for every node.
I tried setting everything back to normal. Didn`t help.
What did i mess up? What am i missing?
I am using a Everyman PHP library to communicate with database.
I created new index with "to_lower_case" property.
I think that will solve my problem, just have to convert string to lower case before inserting it into query. It seems to work.
Setting configuration afterwards doesn't update already indexed values (as the shell notes, I think). If you've created your index with "to_lower_case=true" then additions as well as queries will have the values converted to lower case. Calling Index#get will still require you to lower-case it yourself.
I trying to find out if one string contains another. But, unfortunately, fn:contains function is case-sensitive. Are there are any ways to make it case-insensitive?
I tried to put both into one case:
fn:contains(car.color.toLowerCase(), smartBean.txt.toLowerCase()) ? 'true' : 'false'
But it didn't work due to method's brackets. I also can't use f:to-upper inside f:contains function.
There's a fn:containsIgnoreCase(). Just use it instead.
#{fn:containsIgnoreCase(car.color, smartBean.txt)}
By the way, your failed toLowerCase() attempt should have been done as follows:
#{fn:contains(fn:toLowerCase(car.color), fn:toLowerCase(smartBean.txt))}
Using toUpperCase() works as good as well:
#{fn:contains(fn:toUpperCase(car.color), fn:toUpperCase(smartBean.txt))}
Perhaps you just made an EL syntax error.
Note that the ? 'true' : 'false' part is completely superfluous as that's already returned by the function.
For those just finding this, #BalusC's answer is correct - but structure has changed, see just fn:upper-case, fn:lower-case - don't see the ignoreCase option anymore but if you cast it one way or the other to compare, it will work.
I want to sort a result set by the minimum of several fields.
So after reading the functionquery documentation this is what I came up with:
sort={!func}min(dvd_available_from_tdt,dto_available_from_tdt)%20desc
I also tried:
sort=_val_:min(dvd_available_from_tdt,dto_available_from_tdt)%20desc
sort=_val_:"min(dvd_available_from_tdt,dto_available_from_tdt)"%20desc
sort=_val_:"min(dvd_available_from_tdt,dto_available_from_tdt)%20desc"
sort="{!func}min(dvd_available_from_tdt,dto_available_from_tdt)"%20desc
sort={!func}min(dvd_available_from_tdt,dto_available_from_tdt)%20desc
sort="min(dvd_available_from_tdt,dto_available_from_tdt)"%20desc
and also some other placements of the quotes. But no matter what I always get this error:
HTTP ERROR: 400
Missing sort order.
Can anyobody point me in the right direction?
Try using a query that matches all documents, with a constant score, plus a function.
http://localhost:8983/solr/select/?q=%3A+_val_:price&version=2.2&start=0&rows=10&indent=on&debugQuery=true
Also, upgrading to Solr 3.3 is not that painful, and there's all sorts of cool new toys like sorting by function.
It seems to be available only in solr 3.1. I am running 1.4.1
http://wiki.apache.org/solr/FunctionQuery#Sort_By_Function
I need to get the data from cassandra with out case sensitive. Please help me.
There is no case-sensitivity concept in Cassandra. All the data is stored as byte[], so it's not even a String.
You can make a custom comparator (see the API) which transforms byte[] to String and disregards case.
The other thing to do is just get the data and transform it on the client side.
Actually, your question is quite unclear as of what is your goal, so I can't give more details.
Update: Run a one-time job that fetches all records from the db and updates them, setting to lower-case. Then continue inserting everything with lowercase.
This has been resolved if you have SOLR enabled using:
CREATE SEARCH INDEX ON tableName WITH COLUMNS *, camelCaseColumn { lowerCase : true };
An index is created that allows the select statement to use lowercase in the where clause. For more details search for LowerCaseStrField.