How to Efficiently Poll for Data with React Query Every document has a updateTime timestamp Given this, what I want to do is poll for updated data as needed (either on component mount or at other frequencies) and merge that into the data already stored in cache with ReactQuery (using persistClientQuery)
reactjs - Put query into isPlaceholderData with QueryClient methods . . . Now, somewhere far away in the component tree, I need to put exampleQ back into the soft loading state, with isLoading=false, isPlaceholderData=true I then wait some time for something unrelated When ready, I want the query to refetch and continue to display the placeholderData while refetching
SAP HANA SQL Query with Dynamic Placeholder - Stack Overflow 4 I have a query that is passing the current year as a placeholder parameter that right now is hard coded How can I have this just pass the current year? I've seen a few different potential solutions but most of them are in HANA Studio or involve dynamic SQL generation I'm putting the SQL into Tableau so those are both off the table
What is this placeholder in the sql query? - Stack Overflow Without more information it's hard to tell what this actually is but it looks a lot like JPQL which is JPA's SQL like query language In JPQL the meaning of SELECT o FROM ctrData o would be: ctrData would be the name of an entity (i e a mapped data class) ctrData o would create an alias to refer to that entity SELECT o FROM ctrData o would thus mean you want to select all instances of that
How to test placeholder of input using Jest with React Testing Library To understand what you are testing, by using Jest and React Testing Library you are rendering those components in the JSDOM, and then reading the JSDOM output of that render When you have an input with a placeholder,
SQL placeholder in WHERE IN issue, inserted strings fail To generate a query, I need to pass an array of tags (essentially primary keys), but these have to be inserted as strings As this will be a modular query and used for multiple tags, a placeholder is being used The query relies upon the use of the WHERE IN statement, which is where the placeholder is, like below: