Elasticsearch search query like. If you are looking to replicate that SQL query exactly then in this case use the wildcard query or prefix query. Elasticsearch allows you to semantically search for documents based on the meaning of the text, rather than just the presence of specific keywords. This is a hands-on introduction to the basics of full-text search and semantic search, using ES|QL. Nov 22, 2017 · Wildcard Query Matches documents that have fields matching a wildcard expression (not analyzed). In particular, you might want to look into the NGram tokenizer. more_like_this query The more_like_this query finds documents that are "like" a given set of documents. Jul 23, 2025 · The "more like this" query in Elasticsearch enables powerful semantic similarity searches across your data. LIKE and RLIKE operators are commonly used to filter data based on string patterns. By analyzing the key topics and concepts within the text, it can find related documents even when they don't share many of the same words or phrases. They usually act on a field placed on the left-hand side of the operator, but can also act on a constant (literal) expression. In this scenario, we’re implementing search for a cooking blog. For information about running a search query in Elasticsearch, see The search API. For an overview of all the search capabilities in ES|QL, refer to Using ES|QL for search. Sep 26, 2018 · Hi @ashishtiwari1993, As you described, ** does work, but gives poor performance. Jul 23, 2025 · Querying data in Elasticsearch is a fundamental skill for effectively retrieving and analyzing information stored in this powerful search engine. Another approach is to index your strings multiple times (using fields) using different custom analyzers. You might then also want to consider combining NGrams with a prefix query. This is due to how Elasticsearch indexes its documents internally. . To do so, MLT selects a set of representative terms of these input documents, forms a query using these terms, executes the query and returns the results. Refer to the Query DSL version for the equivalent examples in Query DSL syntax. Jun 30, 2018 · I would like to do the Elasticsearch equivalent of the following SQL statement: SELECT * FROM Users WHERE UserName NOT LIKE '%something%' I don't care about efficiency or scoring Jul 23, 2025 · In this Elasticsearch tutorial, you'll learn everything from basic concepts to advanced features of Elasticsearch, a powerful search and analytics engine. Nov 5, 2023 · you can easily implement LIKE statement by using 'query_string', in following example you can see how to impletemt: Even though LIKE is a valid option when searching or filtering in Elasticsearch SQL, full-text search predicates MATCH and QUERY are faster and much more powerful and are the preferred alternative. Supported wildcards are *, which matches any character sequence (including the empty one), and ?, which matches any single character. In this guide, we'll explore various querying techniques in Elasticsearch, providing clear examples and outputs to help you understand the process. This is useful when you want to find documents that are conceptually similar to a given query, even if they don’t contain the exact search terms. This guide is structured to help you understand the core functionalities of Elasticsearch, set up your environment, index and query data, and optimize performance. This page contains information about the query_string query type. The right-hand side of the operator represents the pattern. Jul 2, 2015 · This question is not quite specific enough, as there are many ways ElasticSearch can fulfill this functionality, and they differ slightly on your overall goal. pevvba ojivhws hihab khzuth elvtlax uri mmythib xnjny elndyz uhm