Re: String concatenation in Streaming Expressions

I think there is a bug here in your query, the syntax is : concat(fields=\"fieldA,fieldB\", as=\"fieldABConcat\", delim=\"-\")" Try this: select( search(collection1,q="*:*",fl="conceptid",sort="conceptid asc",fq=storeid:"59c03d21d997b97bf47b3eeb",fq=schematype:"Article",fq=tags:"genetics", qt="/

Re: String concatenation in Streaming Expressions

Thanks Aroop, I tired following Streaming Expression but it doesn't work for me. select( search(collection1,q="*:*",fl="conceptid",sort="conceptid asc",fq=storeid:"59c03d21d997b97bf47b3eeb",fq=schematype:"Article",fq=tags:"genetics", qt="/export"), conceptid as conceptid, storeid as "test_", conc

Re: String concatenation in Streaming Expressions

It seems like append is not available on 6.4, but concat is … Check this out on the 6.4 branch: https://github.com/apache/lucene-solr/blob/branch_6_4/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/ops/ConcatOperationTest.java

Re: String concatenation in Streaming Expressions

It should, but 6.6.* has some issues of things not working per documentation. Try using 7+. > On Jun 27, 2018, at 1:24 PM, Pratik Patel wrote: > > Thanks a lot for help! > > Looks like this is a recent addition? It doesn't work for me in version > 6.6.4 > > > > On Wed, Jun 27, 2018 at 4:18 P

Re: String concatenation in Streaming Expressions

Thanks a lot for help! Looks like this is a recent addition? It doesn't work for me in version 6.6.4 On Wed, Jun 27, 2018 at 4:18 PM, Aroop Ganguly wrote: > So it will become: > select( > search(..), > conceptid as foo, >storeid as bar > append(conceptid, storeid) as id > ) > >

Re: String concatenation in Streaming Expressions

So it will become: select( search(..), conceptid as foo, storeid as bar append(conceptid, storeid) as id ) Or select select( search(..), conceptid as foo, storeid as bar ), foo, bar, append(foo,bar) as id ) > On Jun 27, 2018, at 1:12 PM, Aroop Ganguly wrote: > > this test c

Re: String concatenation in Streaming Expressions

this test case here will help in understanding the usage: https://github.com/apache/lucene-solr/blob/branch_7_2/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/eval/AppendEvaluatorTest.java

Re: String concatenation in Streaming Expressions

I think u can use the append evaluator https://github.com/apache/lucene-solr/blob/master/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/AppendEvaluator.java

String concatenation in Streaming Expressions

Hello, Is there a function which can be used in Streaming Expressions to concatenate two strings? I want to use it just like add(1,2) in a Streaming Expression. Essentially, I want to achieve something as follows. select( search(..), conceptid as foo, storeid as bar concat(foo,bar