sqlite like escape
You need to use the ESCAPE clause: where field like 'xyz-_abc' ... See the section The LIKE and GLOB operators in the SQLite Documentation., An index can only be used with a LIKE clause when the % is at the end so that SQLite can rewrite it to two simple comparisons (as shown in the ..., This character may be used in the LIKE pattern to include literal percent or underscore characters. The escape character followed by a percent ..., From the documentation it seems that ESCAPE is always required when intending to use a certain character as an escape character for LIKE ., The '_' matches the single 'c' sqlite> select 'pancakes' like 'pan_akes'; ... You can choose a character for escaping % , _ and itself itself with:, , SQLite LIKE operator checks whether a specific character string matches a ... If the optional ESCAPE clause is present, then the expression ..., Since you're using ? in your query, it's parameterised. You are not using concatenation (it seems), so you don't need to worry about escaping ...,The IS and IS NOT operators work like = and != except when one or both of the .... then the expression following the ESCAPE keyword must evaluate to a string ... , SELECT ID FROM Tasks WHERE task LIKE '! ... Check again - I just created a SQLite DB, with a table Tasks and three entries: Hide Copy Code.
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sqlite like escape 相關參考資料
Android SQLite LIKE escape wildcard - Stack Overflow
You need to use the ESCAPE clause: where field like 'xyz-_abc' ... See the section The LIKE and GLOB operators in the SQLite Documentation. https://stackoverflow.com Escape wildcards (%, _) in SQLite LIKE without sacrificing index ...
An index can only be used with a LIKE clause when the % is at the end so that SQLite can rewrite it to two simple comparisons (as shown in the ... https://stackoverflow.com How to escape a % sign in sqlite? - Stack Overflow
This character may be used in the LIKE pattern to include literal percent or underscore characters. The escape character followed by a percent ... https://stackoverflow.com How to escape the underscore in SQLite query with "where" clause ...
From the documentation it seems that ESCAPE is always required when intending to use a certain character as an escape character for LIKE . https://stackoverflow.com SQLite Like % and _ - Stack Overflow
The '_' matches the single 'c' sqlite> select 'pancakes' like 'pan_akes'; ... You can choose a character for escaping % , _ and itself itself with: https://stackoverflow.com SQLite LIKE - Querying Data Based On Pattern Matching
https://www.sqlitetutorial.net SQLite LIKE operator - w3resource
SQLite LIKE operator checks whether a specific character string matches a ... If the optional ESCAPE clause is present, then the expression ... https://www.w3resource.com SQLite LIKE statement and escaping characters - Stack Overflow
Since you're using ? in your query, it's parameterised. You are not using concatenation (it seems), so you don't need to worry about escaping ... https://stackoverflow.com SQLite Query Language: expression
The IS and IS NOT operators work like = and != except when one or both of the .... then the expression following the ESCAPE keyword must evaluate to a string ... https://www.sqlite.org [Solved] escaping sqlite wildcards - CodeProject
SELECT ID FROM Tasks WHERE task LIKE '! ... Check again - I just created a SQLite DB, with a table Tasks and three entries: Hide Copy Code. https://www.codeproject.com |