Apollo Client allows you to make local modifications to your GraphQL data by updating the cache, but sometimes it's more straightforward to update your client-side GraphQL data by refetching queries from the server. In theory, you could refetch every active query after a client-side update, but you can save time and network bandwidth by ... Mar 24, 2020 · I have a graphql query and useQuery hook which return a lot of data. I start loading by click button and show when the data loading will be finished. Is it possible to use Promise to wait loading d... May 24, 2021 · The useQuery hook accepts a lot more parameters and returns a lot more variables, which have been documented in the React Query docs. The example above is meant to demonstrate the minimum setup ... Jun 27, 2021 · 2 Answers. useQuery ("fetchData", fetchData, { onSuccess: (data) => { console.log ("Get data!"); console.log (data); } }); As simple it could be. Thanks! The onSuccess callback function is called only when the data has been retrieved from the query. Carefully notice that this data is not the one that you're de-structuring from the useQuery ... The easiest way of keeping data up to date would be to use the polling feature from apollo. const { loading, error, data } = useQuery (QUERY, { variables: input, skip: !isActivated, pollInterval: 500, // Update every 500ms }); One way of refetching on demand would be to use the returned refetch function. Apollo Link is a library that helps you customize Apollo Client's network communication. You can use it to define a link chain that modifies your operations and routes them to the appropriate destination. To execute subscriptions over WebSocket, you can add a GraphQLWsLink to your link chain. This link requires the graphql-ws library. Jul 29, 2020 · The useQuery hook. The useQuery hook is a function used to register your data fetching code into React Query library. It takes an arbitrary key and an asynchronous function for fetching data and return various values that you can use to inform your users about the current application state. Aug 20, 2019 · I think something like this would work - you will need to create the initial state with useState, could be empty array and then onComplete in the useQuery would setTranscationsData... it is triggered every render when state or props change. Could of course add an inital state inside useState which insn't an empty array. Nov 5, 2020 · I have these 3 functions that need to run in order. However, since the first function has a loop in it, the 2nd and 3rd functions are finishing before the data from the 1st function is available. ... Nov 5, 2020 · I have these 3 functions that need to run in order. However, since the first function has a loop in it, the 2nd and 3rd functions are finishing before the data from the 1st function is available. ... I set up my own project and was experiencing the same issue when using useQuery. UPDATE: After adding an item, useQuery seems to work fine. Intended outcome: value of loading changes to false when data is available. Actual outcome: value of loading never updates to false. Version The easiest way of keeping data up to date would be to use the polling feature from apollo. const { loading, error, data } = useQuery (QUERY, { variables: input, skip: !isActivated, pollInterval: 500, // Update every 500ms }); One way of refetching on demand would be to use the returned refetch function. Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. I have a code below where in I want to finish doSomethingFirst() before proceeding with the rest of the code: async doSomething() { const response = await doSomethingFirst(); // get the response Aug 20, 2019 · I think something like this would work - you will need to create the initial state with useState, could be empty array and then onComplete in the useQuery would setTranscationsData... it is triggered every render when state or props change. Could of course add an inital state inside useState which insn't an empty array. Feb 7, 2022 · DriesVerb September 7, 2022, 9:22am 5. I had this exact same issue and I found a workaround. What you want to do is wrap your graph query in a function and pass your nested variable as a parameter. You can also do this for the primary variables. export const functionName = (limit, skip, stateProvince) => { const CATALOG_QUERY = gql` query ... Mar 19, 2023 · this works, because you can't expect await refetch() to change the data variable in the closure (the result from useQuery). So you have to use the result returned from refetch(). If you only need the query to eventually call refetch, I would use queryClient.fetchQuery instead. – I set up my own project and was experiencing the same issue when using useQuery. UPDATE: After adding an item, useQuery seems to work fine. Intended outcome: value of loading changes to false when data is available. Actual outcome: value of loading never updates to false. Version May 31, 2023 · My logic is intended as follows: In useEffect. get {id} from the router. trigger getUserFromId (id) with that id. setUser () with db response. Run the query. get user from state and pass it into variables: {} for query. run the query. I think that my problem is that the useEffect is running after my useQuery so the user i am trying to get from ... Feb 7, 2022 · DriesVerb September 7, 2022, 9:22am 5. I had this exact same issue and I found a workaround. What you want to do is wrap your graph query in a function and pass your nested variable as a parameter. You can also do this for the primary variables. export const functionName = (limit, skip, stateProvince) => { const CATALOG_QUERY = gql` query ... May 31, 2020 · 14. I need to call a query when submit button is pressed and then handle the response. I need something like this: const [checkEmail] = useLazyQuery (CHECK_EMAIL) const handleSubmit = async () => { const res = await checkEmail ( { variables: { email: values.email }}) console.log (res) // handle response } Try #1: Jan 5, 2021 · I have a Higher Order Component and it accepts a prop variable input called "name". Inside HOC, I'm passing "name" as the input to useQuery. If the name's value changes, useQuery hits the backend API and fetches new results but if the value remains the same, there is no network call made by useQuery. HOC gets re-rendered but no n/w call. When my page loads I am using useQuery to retrieve the data. This works fine. The problem is when I make a change to the search form, this updates the state which causes an unwanted re-render which calls the server again. I want to call the server only when the page loads and when I click the search button. useQuery: I have a code below where in I want to finish doSomethingFirst() before proceeding with the rest of the code: async doSomething() { const response = await doSomethingFirst(); // get the response Unlike useQuery, useMutation doesn't execute its operation automatically on render. Instead, you call this mutate function. An object with field s that represent the current status of the mutation 's execution (data, loading, etc.) This object is similar to the object returned by the useQuery hook. For details, see Result. Example Sep 12, 2022 · Set the `enabled` property in the useQuery call. Once the user clicked on that button we will update the fetchPosts state value, which will trigger the component to re-render and the useQuery hook will execute and fetch the data in case the fetchPosts value is true. function Example() { const [fetchPosts, setFetchPosts] = useState(false); const ... A derived boolean from the status variable above, provided for convenience. isSuccess: boolean. A derived boolean from the status variable above, provided for convenience. isError: boolean. A derived boolean from the status variable above, provided for convenience. isLoadingError: boolean. Will be true if the query failed while fetching for the ... Aug 27, 2019 · let client = new ApolloClient ( { ssrMode: true, link: authLink.concat (httpLink), cache: new InMemoryCache (), }); To clarify when I say 'block rendering' I mean hold off on SSR finalising until the server has the data to send the user so that the tag will appear immediately with the loaded page. reactjs. graphql. The easiest way of keeping data up to date would be to use the polling feature from apollo. const { loading, error, data } = useQuery (QUERY, { variables: input, skip: !isActivated, pollInterval: 500, // Update every 500ms }); One way of refetching on demand would be to use the returned refetch function. Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. When my page loads I am using useQuery to retrieve the data. This works fine. The problem is when I make a change to the search form, this updates the state which causes an unwanted re-render which calls the server again. I want to call the server only when the page loads and when I click the search button. useQuery: Dependent (or serial) queries depend on previous ones to finish before they can execute. To achieve this, it's as easy as using the enabled option to tell a query when it is ready to run: tsx. // Get the user. const { data: user } = useQuery({. queryKey: ['user', email], Dependent (or serial) queries depend on previous ones to finish before they can execute. To achieve this, it's as easy as using the enabled option to tell a query when it is ready to run: tsx. // Get the user. const { data: user } = useQuery({. queryKey: ['user', email], Jul 10, 2019 · This gives you the power to call the query however you want, whether it's in response to state/prop changes (i.e. with useEffect) or event handlers like button clicks. In English, it's like, "Hey React, this is how I want to query for the data". You can use fetchMore () returned from useQuery, which is primarily meant for pagination. const ... The first parameter to useQuery is a string and this is how the hook knows what to cache when data is returned. You want to make sure this is unique. Another optional way of creating this “cache key”, is to pass it an array of strings. react-query will combine them into one string. As mentioned, you’ll want to make the cache key unique ... May 31, 2023 · My logic is intended as follows: In useEffect. get {id} from the router. trigger getUserFromId (id) with that id. setUser () with db response. Run the query. get user from state and pass it into variables: {} for query. run the query. I think that my problem is that the useEffect is running after my useQuery so the user i am trying to get from ... I have a code below where in I want to finish doSomethingFirst() before proceeding with the rest of the code: async doSomething() { const response = await doSomethingFirst(); // get the response A derived boolean from the status variable above, provided for convenience. isSuccess: boolean. A derived boolean from the status variable above, provided for convenience. isError: boolean. A derived boolean from the status variable above, provided for convenience. isLoadingError: boolean. Will be true if the query failed while fetching for the ... Mar 10, 2021 · In the last post, we did a basic web service request using the useQuery hook. This post will expand this example and make a second request that requires data from the first request. Our requirement. At the moment, our React component requests the people resource in the Star Wars API and displays the character’s name. I have a code below where in I want to finish doSomethingFirst() before proceeding with the rest of the code: async doSomething() { const response = await doSomethingFirst(); // get the response Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. Apollo Client allows you to make local modifications to your GraphQL data by updating the cache, but sometimes it's more straightforward to update your client-side GraphQL data by refetching queries from the server. In theory, you could refetch every active query after a client-side update, but you can save time and network bandwidth by ... Mar 10, 2021 · I have the following code which hits a user api with useSWR, if I console log the user the first two times it renders undefined. useQuery is complaingng user.id is undefined which is true at some point in the render, however I have tried to pass a skip option and it works with passing a skip option for the cookie variable which has a similar ... Mar 10, 2020 · I want the data returned from useQuery to be undefined when the variables change. Reasoning is that if the variables for the query change, loading is set to true, but data remains set to the data from the previous query with old variables. Actual outcome: data is set to the previous variables data while the next query (with new variables) is in ... Dependent (or serial) queries depend on previous ones to finish before they can execute. To achieve this, it's as easy as using the enabled option to tell a query when it is ready to run: tsx. // Get the user. const { data: user } = useQuery({. queryKey: ['user', email], Jul 10, 2019 · This gives you the power to call the query however you want, whether it's in response to state/prop changes (i.e. with useEffect) or event handlers like button clicks. In English, it's like, "Hey React, this is how I want to query for the data". You can use fetchMore () returned from useQuery, which is primarily meant for pagination. const ... Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. Oct 14, 2022 · I have a NextJS project that uses NextAuth for session management and then React Query to retrieve data on the front-end. However, with the current format (as seen below), useSession() will return Oct 14, 2022 · I have a NextJS project that uses NextAuth for session management and then React Query to retrieve data on the front-end. However, with the current format (as seen below), useSession() will return refetch ( { where: { name_contains: value }} ); it refetches, but it doesn't pass variables to the query, I console logged the results. when running through the playground it passes variables. but this function provided by hooks doesn't pass variables. this is my query. const PLANTS_QUERY = gql` query { plants { plant_name is_active } } `; Jul 10, 2019 · This gives you the power to call the query however you want, whether it's in response to state/prop changes (i.e. with useEffect) or event handlers like button clicks. In English, it's like, "Hey React, this is how I want to query for the data". You can use fetchMore () returned from useQuery, which is primarily meant for pagination. const ... Apr 10, 2020 · There is an input field and button that triggers updating variable that was passed to query. Variable updates correctly, but nothing happens with the query. Expected behavior When changing variables, query should be refetched and new results should be displayed. Versions vue: 2.6.11 @vue/apollo-composable: 4.0.0-alpha.8 apollo-boost: 0.4.7 May 24, 2021 · The useQuery hook accepts a lot more parameters and returns a lot more variables, which have been documented in the React Query docs. The example above is meant to demonstrate the minimum setup ... Sep 12, 2022 · Set the `enabled` property in the useQuery call. Once the user clicked on that button we will update the fetchPosts state value, which will trigger the component to re-render and the useQuery hook will execute and fetch the data in case the fetchPosts value is true. function Example() { const [fetchPosts, setFetchPosts] = useState(false); const ... Mar 19, 2023 · this works, because you can't expect await refetch() to change the data variable in the closure (the result from useQuery). So you have to use the result returned from refetch(). If you only need the query to eventually call refetch, I would use queryClient.fetchQuery instead. – Optional for the useQuery hook, because the query can be provided as the first parameter to the hook. Required for the Query component. variables { [key: string]: any } An object containing all of the GraphQL variable s your query requires to execute. Each key in the object corresponds to a variable name, and that key's value corresponds to the ... Mar 10, 2020 · I want the data returned from useQuery to be undefined when the variables change. Reasoning is that if the variables for the query change, loading is set to true, but data remains set to the data from the previous query with old variables. Actual outcome: data is set to the previous variables data while the next query (with new variables) is in ... Optional for the useQuery hook, because the query can be provided as the first parameter to the hook. Required for the Query component. variables { [key: string]: any } An object containing all of the GraphQL variable s your query requires to execute. Each key in the object corresponds to a variable name, and that key's value corresponds to the ... Jan 5, 2021 · I have a Higher Order Component and it accepts a prop variable input called "name". Inside HOC, I'm passing "name" as the input to useQuery. If the name's value changes, useQuery hits the backend API and fetches new results but if the value remains the same, there is no network call made by useQuery. HOC gets re-rendered but no n/w call. May 24, 2021 · The useQuery hook accepts a lot more parameters and returns a lot more variables, which have been documented in the React Query docs. The example above is meant to demonstrate the minimum setup ... Aug 20, 2019 · I think something like this would work - you will need to create the initial state with useState, could be empty array and then onComplete in the useQuery would setTranscationsData... it is triggered every render when state or props change. Could of course add an inital state inside useState which insn't an empty array. Mar 10, 2021 · In the last post, we did a basic web service request using the useQuery hook. This post will expand this example and make a second request that requires data from the first request. Our requirement. At the moment, our React component requests the people resource in the Star Wars API and displays the character’s name. Mar 10, 2021 · I have the following code which hits a user api with useSWR, if I console log the user the first two times it renders undefined. useQuery is complaingng user.id is undefined which is true at some point in the render, however I have tried to pass a skip option and it works with passing a skip option for the cookie variable which has a similar ... The useQuery hook. The useQuery hook returns an object with three useful properties that we use in our app: indicates whether the query has completed and results have been returned. is an object that contains any errors that the operation has thrown. contains the results of the query after it has completed. To set in our query, we declare them ... Mar 14, 2019 · Normally I put [all, my, query, variables] into the useQuery to avoid multiple runs when other state is changing. @pak11273 I don't understand why you would need another state (useState). Using the data from useQuery should suffice, no? I needed the onComplete to trigger another query which needed data from the first query. Jul 10, 2019 · This gives you the power to call the query however you want, whether it's in response to state/prop changes (i.e. with useEffect) or event handlers like button clicks. In English, it's like, "Hey React, this is how I want to query for the data". You can use fetchMore () returned from useQuery, which is primarily meant for pagination. const ... Mar 10, 2020 · I want the data returned from useQuery to be undefined when the variables change. Reasoning is that if the variables for the query change, loading is set to true, but data remains set to the data from the previous query with old variables. Actual outcome: data is set to the previous variables data while the next query (with new variables) is in ... A derived boolean from the status variable above, provided for convenience. isSuccess: boolean. A derived boolean from the status variable above, provided for convenience. isError: boolean. A derived boolean from the status variable above, provided for convenience. isLoadingError: boolean. Will be true if the query failed while fetching for the ... The useQuery hook. The useQuery hook returns an object with three useful properties that we use in our app: indicates whether the query has completed and results have been returned. is an object that contains any errors that the operation has thrown. contains the results of the query after it has completed. To set in our query, we declare them ... Each one of them will become a reactive object. These reactive queries will be executed automatically, both when the component is mounted, and if/when any variable objects change. Great! Now let's define the graphql query to be used: Open src/graphql-operations/index.ts and add the following code: src/graphql-operations/index.ts Copy A derived boolean from the status variable above, provided for convenience. isSuccess: boolean. A derived boolean from the status variable above, provided for convenience. isError: boolean. A derived boolean from the status variable above, provided for convenience. isLoadingError: boolean. Will be true if the query failed while fetching for the ... Feb 7, 2021 · 1. Another thing to consider is the default configuration of you useQuery () hook which is provided by the QueryClient. For example rerendering on window focus is a default setting, which causes the hook to refetch and therefore rerender on every window focus (for example when clicking on devtools and click back into the DOM. But it's using a Promise, and Apollo useQuery and useLazyQuery do not send back a Promise. So I can't wait data from the query, before passing it to AsyncSelect For now, I made it with the classic Select component, and it's fine. But can be improved :) Nov 5, 2020 · I have these 3 functions that need to run in order. However, since the first function has a loop in it, the 2nd and 3rd functions are finishing before the data from the 1st function is available. ... The useQuery hook returns an object with three useful properties that we use in our app: indicates whether the query has completed and results have been returned. is an object that contains any errors that the operation has thrown. contains the results of the query after it has completed. Apr 10, 2020 · There is an input field and button that triggers updating variable that was passed to query. Variable updates correctly, but nothing happens with the query. Expected behavior When changing variables, query should be refetched and new results should be displayed. Versions vue: 2.6.11 @vue/apollo-composable: 4.0.0-alpha.8 apollo-boost: 0.4.7 Mar 24, 2021 · Using GraphQLClient allows us to set the API key on each request. To get all blog posts from the API, we use the useGetPosts function. The useQuery hook expects a key ( get-posts) and a GraphQL query. The hook can receive more options, but for this example, we just need these two. Once the fetch is done, we return the data. Jul 29, 2020 · The Apollo platform is an implementation of GraphQL that transfers data between the cloud (the server) to the UI of your app. When you use Apollo Client, all of the logic for retrieving data, tracking, loading, and updating the UI is encapsulated by the useQuery hook (as in the case of React). Hence, data fetching is declarative. Aug 27, 2019 · let client = new ApolloClient ( { ssrMode: true, link: authLink.concat (httpLink), cache: new InMemoryCache (), }); To clarify when I say 'block rendering' I mean hold off on SSR finalising until the server has the data to send the user so that the tag will appear immediately with the loaded page. reactjs. graphql. When my page loads I am using useQuery to retrieve the data. This works fine. The problem is when I make a change to the search form, this updates the state which causes an unwanted re-render which calls the server again. I want to call the server only when the page loads and when I click the search button. useQuery: Jul 10, 2019 · This gives you the power to call the query however you want, whether it's in response to state/prop changes (i.e. with useEffect) or event handlers like button clicks. In English, it's like, "Hey React, this is how I want to query for the data". You can use fetchMore () returned from useQuery, which is primarily meant for pagination. const ... Sep 10, 2021 · If you have a mutation that updates the title of your blog post, and the backend returns the complete blog post as a response, you can update the query cache directly via setQueryData: update-from-mutation-response. 1const useUpdateTitle = (id) => {. 2 const queryClient = useQueryClient() 3. 4 return useMutation({. Once again, we'll pass our query to the useQuery hook. This time, we also need to pass the corresponding launch's launchId to the query as a variable. We'll use React Router's useParams hook to access the launchId from our current URL. Aug 26, 2020 · i need to make one of two queries based on the result of another request to a third party, is there a way to tell Apollo to wait for that request to finish and return the appropriate query for Apollo ? or should i just make the request and add the appropriate query manually to Apollo when i get the results ? The useQuery hook. The useQuery hook returns an object with three useful properties that we use in our app: indicates whether the query has completed and results have been returned. is an object that contains any errors that the operation has thrown. contains the results of the query after it has completed. To set in our query, we declare them ...
Feb 13, 2021 · 1 Answer. You don’t need an extra way to distribute your data, like react context. Just call useQuery with the same key wherever you need to, and react query will do the rest. It is best to abstract that away in a custom hook. refetch should only be used if you want to refetch with the exact same parameters. . Vdhi_wmp_i_sicav_mitteilung_an_die_aktionaere.pdf
Each one of them will become a reactive object. These reactive queries will be executed automatically, both when the component is mounted, and if/when any variable objects change. Great! Now let's define the graphql query to be used: Open src/graphql-operations/index.ts and add the following code: src/graphql-operations/index.ts Copy The useQuery hook. The useQuery hook returns an object with three useful properties that we use in our app: indicates whether the query has completed and results have been returned. is an object that contains any errors that the operation has thrown. contains the results of the query after it has completed. To set in our query, we declare them ... Mar 10, 2020 · I want the data returned from useQuery to be undefined when the variables change. Reasoning is that if the variables for the query change, loading is set to true, but data remains set to the data from the previous query with old variables. Actual outcome: data is set to the previous variables data while the next query (with new variables) is in ... Mar 24, 2020 · I have a graphql query and useQuery hook which return a lot of data. I start loading by click button and show when the data loading will be finished. Is it possible to use Promise to wait loading d... But it's using a Promise, and Apollo useQuery and useLazyQuery do not send back a Promise. So I can't wait data from the query, before passing it to AsyncSelect For now, I made it with the classic Select component, and it's fine. But can be improved :) Feb 13, 2021 · 1 Answer. You don’t need an extra way to distribute your data, like react context. Just call useQuery with the same key wherever you need to, and react query will do the rest. It is best to abstract that away in a custom hook. refetch should only be used if you want to refetch with the exact same parameters. Again, this example is similar to the useQuery-based component above, but it differs after the rendering is completed. Because this component relies on a button click to fire a mutation, we use Testing Library's user-event library to simulate a click with its click method. Sep 12, 2022 · Set the `enabled` property in the useQuery call. Once the user clicked on that button we will update the fetchPosts state value, which will trigger the component to re-render and the useQuery hook will execute and fetch the data in case the fetchPosts value is true. function Example() { const [fetchPosts, setFetchPosts] = useState(false); const ... Oct 16, 2020 · read from localstorage, build variables for fetch (offset, limit, ...) fetch with variables; when filters or search change, refetch with modified variables; also save the modified variables to localstorage; My question is: should I use useQuery or useLazyQuery for this purpose. With useQuery, I may could do: Queries Basics. The useQuery function is a composable function that provides query state and various helper methods for managing the query. To execute a query the useQuery accepts a GraphQL query as the first argument. The query property is a string containing the query body or a DocumentNode (AST) created by graphql-tag. Mar 24, 2021 · Using GraphQLClient allows us to set the API key on each request. To get all blog posts from the API, we use the useGetPosts function. The useQuery hook expects a key ( get-posts) and a GraphQL query. The hook can receive more options, but for this example, we just need these two. Once the fetch is done, we return the data. .
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