Forum Post: RE: json filter pattern sample code

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egarcia

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Hello Stefan, Thank you for your feedback. Just to add a bit more information. As Bill Wood mentioned, we looked into this approach at the time. Sending a generic filter, sending a the filter using a combination of expressions and operators. For example, the filter could be done using JSON where the expressions would be objects and the operators properties of them. However, sending a complex hierarchical query to the backend would require a processor for the query on the server. Another case, is the handling of operators such as LIKE. Should we send LIKE or send MATCHES? If we decide to use SQL on the client, then it means that the server needs to have a processor for the query. Either a built-in one if it supports SQL queries or we would need to provide one. We decided to use ablFilter to indicate that the filter is in fact an ABL expression. We could in the future support a different filter. Thanks.

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