tsvector
Match a phrase starting with a prefix with full text search
I\'m looking for a way to emulate something like SELECT * FROM table WHERE attr LIKE \'%text%\' using a tsvector in PostgreSQL.[详细]
2023-03-09 06:23 分类：问答PostgreSQL full text search randomly dropping lexemes
(All this was done with PostgreSQL 9.0.1 on Ubuntu 10.04, FWIW.) I\'ve tried writing my own lexize function for PostgreSQL specifically for names, based on the double metaphone algorithm. To produce[详细]
2023-01-21 05:25 分类：问答Rails migrations with database-specific data types
I\'m currently running a Rails migration where I am adding a datatype specific to Postgres, the tsvector.It holds search information in the form that Postgres expects for its built-in text searching c[详细]
2022-12-21 10:24 分类：问答Is there a simple method to remove the occurrence of lexeme in a tsvector?
I\'ve got a tsvector column in a table and I would like to be able to remove a lexeme from the tsvector.[详细]
2022-12-20 21:30 分类：问答Retrieving the most common keywords from a tsvector column
I\'m considering adding a tsvector column to an existing table that will hold possible search terms fo开发者_开发百科r multiple columns in that same table (e.g. the tsvector column will equal to_tsvec[详细]
2022-12-13 12:07 分类：问答
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