I am working on school listing project. I have created database name is school and under I add new table name is schoollist Here I have many school. I have added few column on it bellow the list of column. For the above table i want to search Wright Oslo and after the result should be Wright oslo school and
Tag: full-text-search
SQL Server full-text search gets only one value
It only gets one value back is it possible to get multiple values inside? Like get test, test1 and test2. Answer Looking at each of the three fully visible example rows: ID=25 No match, because IsDeleted is 1 ID=26 Match. This is the row you see in the results. ID=27 NO MATCH, because Contains() matches full …
creating a full text index in SQL database
I am searching for a database solution for real full text indexing. I have read Postgres’ full text search chapter but it describes text searching which is not a “full” index and it is heuristic in nature. However I found this https://pgpedia.info/f/fulltextindex.hml contrib/fulltextindex mo…
Full text search failure on PostgreSQL
I have a PostgreSQL used to index text content. The SearchVector column is created successfully using the following code The content looks like the following: But if I try to run a query to get plurals or singular of manual (in Italian: manuale is one, manuali are 2 or more) it fails: return nothing return no…
How to dynamically write OR clause in Contains query?
Is there a way to generate the second part of this SQL query (OR clauses) from a string split? String split values come from : Answer You can split the string using STRING_SPLIT(), then rebuild it using STRING_AGG(), and simply pass the resulting string into CONTAINS: Or even simpler: In both cases, @SearchPh…
Full text search returning too many irrelevant results and causing poor performance
I’m using the full text search feature from Postgres and for the most part it works fine. I have a column in my database table called documentFts that is basically the ts_vector version of the body field, which is a text column, and that’s indexed with GIN index. Here’s my query: The diction…
Why is SQL Server Full Text Search indexing SCR or SUR acronym followed by a number, together?
I discovered a very odd behavior of SQL Server Full Text Search which is indexing SUR, SCR and possibly some other acronyms, together with a number following it – as “Exact Match”. keyword group_id phrase_id occurrence special_term display_term expansion_type source_term s u r 1 2 3 4 5 1 0 …
Combine 2 GIN indexes with gin_trgm_ops into one | Postgres
I have a flowing table Columns text_id and customer_unit_id basically store codes like K-2021-8524 and similar. In a web interface I use search window to filter out entries by text_id or customer_unit_id. Typical search would be like this I have created to GIN indexes to facilitate search I have tried to make…
Strange Query Plan for SQL Query – Clustered Index Seek
I’ve got a really strange issue with a Query plan generated for a very simple SQL query. The query is searching a full text index, and returning the count of records. For some reason, this SQL query is producing a Non Clustered Scan on an index, which I don’t believe it is optimal to do. I believe…
Knex not properly escaping raw postgres queries
I am using Knex (with typescript) to try to query a postgres database. My database table products has a column name that I want to search through as the user types into a search box. For example, a …