Questions tagged [query-parser]
69 questions
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vote
1 answer
Make a GitHub-like file finder using Lucene
I have to make a file finder using Lucene. I thought of using wild card query.
Text in a document: lucene/queryparser/docs/xml/img/plus.gif
Search string: lqdocspg
It should find:
lucene/queryparser/docs/xml/img/plus.gif
(it is the olny document for…
ReallyNicePerson
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solr query parser with mininmum match on one field and exact match on other field
A csv file has been indexed in solr(8.9) with field as food, color and other fields.
Both food and color fields have fieldType : text_general with multivalued as false.
i want to retrieve result from solr index with 'food' field as minimum match of…
user752590
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1 answer
org.apache.lucene.queryparser.classic.ParseException: Cannot parse
I'm developing my own service based on Apache Lucene. This is a spring server, on the endpoint of which the search request comes - the fields to search for, and their values. This query needs to be parsed in Apache Lucene query, and then sent to the…
Viktor
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1
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1 answer
Creating a cumulative sum column with_order in R
I'm working alongside a SQL tutorial using queryparser and tidyquery in R. This has been going well until I was asked to do:
SELECT ... SUM(new_vaccinations) OVER (PARTITION BY location) as vaccinations_to_date
Tidyquery reported that it did not…
James Wheeler
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- 4
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1 answer
Edismax query not working after migrating to solr 7.7 from 6.6
I have migrated to solr version 7.7 from 6.6
But after migrating to this version my edismax query is not working and returning 0 values.
My edismax query is something like this.
{!edismax qf='title' mm=1 k='("messi"^4.02 "ronaldinho"^2.01)'…
akshay kale
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0 answers
Change SQL query with a parametric query in Oracle
We have an application that uses a framework that we don't have access to it's java classes. I can just see the .class file in byte-code format. So I can't override that class. At that class we have a native query like below:
"Select col1 from…
hamed.jahanyan
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0 answers
CustomQueryParser not retrieving correct documents?
I have designed my CustomQueryParser using OpenNLP to transform the query such that it would only contain terms with POS tags 'JJ', 'NNS' and 'NN'.
Example Query = This is why all the hewlett packard and test
Query after CustomerQueryParser =…
Mrinalini Hanagodu
- 11
- 3
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0 answers
Search multi word phrase with wild cards in lucene
Using the following code block:
public void MultiField(string fieldValue, string[] fieldList)
{
List occurs = new List();
foreach (string field in fieldList)
{
occurs.Add(Occur.SHOULD);
…
Adamon
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5 answers
Parse a SQL statement to see if it is anything other then a SELECT statement?
Is there a good way to parse a SQL statement to ensure it contains only a SELECT statement and nothing else? I am using C#, System.Data.SqlConnection, and MS SQL Server
Rachel
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1 answer
Do (or should) Search Engines Analyze Queries in Quotes?
When a user enters a search term in quotes, should the search engine search what is within the quotes exactly, or should it perform some analysis on the query like a query without quotes?
For example, should the query "U.S. of America" match US of…
speedplane
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0 answers
Parse search queries in sql 2005 FTS
In lucene, we can use QueryParser.Parse(query) to find out how the given query is interpreted by lucene. Its very helpful. I am looking for some kind of API or build in sys functions to identify how the FTS parses given search string.
I found…
RameshVel
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1 answer
Lucene NOT_ANALYZED not working with uppercase characters
I have build an index using a StandardAnalyzer, in this index are a few fields. For example purposes, imagine it has Id and Type. Both are NON_ANALYZED, meaning you can only search for them as-is.
There are a few entries in my index:
{Id: "1",…
Lennard Fonteijn
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1 answer
Lucene MultiFieldQueryParser and Highlighter
I am indexing articles in lucene index through different fields i.e. title, description, link, publishDate
I query the index using MultiFieldQueryParser like
+(title:[text]^5.0 description:[text]^4.0 link:[text]^3.0) +publishDate:[20150101 TO…
Sneha
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MYSQL: Intermediate query results
Is it possible to access the intermediate results generated by mysql during execution of a query??
Creating a view for the query stores the results of the query, i need to store the intermediate results of the every query for further query…
Ashwini
- 91
- 8
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2 answers
Lucene query parser not parse field as expected
I want to parse a simple query using lucene (3.0.3):
title:(+return +"pink panther")
Just like in the documentation example.
The expected result is:
+title:return +title:"pink panther"
But instead i get:
+title:return +title:"itle return pink…
Omri
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