A nice database function for paginating. Conclusion In this article we have developed one of two back-end approaches to pagination. The back-end technique we did not cover is not that different. It simply invol
Usage import{createPool,sql}from'slonik';import{cursorPaginationQuery}from'slonik-cursor-pagination';constpool=awaitcreatePool('postgres://postgres@localhost:5432/postgres');const{rows,pageInfo}=awaitcursorPaginationQuery(pool,{// This is the query that will be paginated.query:sql.type(z.object({id...
Consider the scenario where you need to scope a query based on the current user. In this case, it is better to create a separate function that introduces the necessary WHERE clauses:def list_pets(%{} = params, %User{} = current_user) do Pet |> scope(current_user) |> Flop.validate...
defmoduleMyApp.RepodouseEcto.Repo,otp_app::my_app,adapter:Ecto.Adapters.PostgresusePaginatorend Use thepaginatefunction to paginate your queries: query=from(pinPost,order_by:[asc:p.inserted_at,asc:p.id])# return the first 50 posts%{entries:entries,metadata:metadata}=Repo.paginate(query,cursor...
This is easily achieved because theuseState()hook provides an easy updater function for updating the values. We have to handle the click event, and the event handler function can be as simple as: constrenderPageNumbers=pageNumbers.map((number,index)=>{returnsetCurrentPage(number)}key={index}>...
We will initially declare the object that has our data. The next step is to count each data and how much we wish to preview on one page. We will also get the total number of pages on our webpage in this process. After thetotNumPagesfunction calculates our total amount of pages, we ...
Msg("Cannot delete user by ID from Postgres") panic(err) } if count, err := (*res).RowsAffected(); count < 1 { log.Error().Err(err).Msg("User not found") panic(err) } ↩ Delete You can also create a condition array to delete all the matching fields. ... // Add some ...
ready(function() { $('#users-datatable').dataTable({ "processing": true, "serverSide": true, "ajax": { "url": $('#users-datatable').data('source') }, "pagingType": "full_numbers", "columns": [ {"data": "id"}, {"data": "first_name"}, {"data": "last_name"}, {"...
then(function(data){ $scope.config.myData=data; }); $scope.config = { heads: ['name', 'age'] }; }); myApp.directive('pgnTable', ['$compile', function($compile) { return { restrict: 'E', templateUrl: 'Sample.html', replace: true, scope: { conf: "=" }, controller: ...
Database compatible: Postgres (stable), SQLite (without REGEXP) Obviously use it in a golang project Gorm package (https://gorm.io/) (https://github.com/go-gorm/gorm) Beego package (https://beego.me/) (https://github.com/astaxie/beego) ...