[英]case sensitive search is limiting results
我正在嘗試修改搜索,以便如果用戶搜索“牧馬人”,他們將獲得與搜索“牧馬人”相同的結果。 數據庫的首字母大寫,因此我猜如果小寫的話我需要大寫..不確定如何完成此操作---基本上,我不希望大寫在搜索時起作用。
我的搜索表:
<%= form_for(@post) do |f| %>
<% if @post.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(@post.errors.count, "error") %> prohibited this post from being saved:</h2>
<ul>
<% @post.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
<% end %>
<div class="field">
<%= f.label :heading %><br>
<%= f.text_field :heading %>
</div>
<div class="field">
<%= f.label :body %><br>
<%= f.text_area :body %>
</div>
<div class="field">
<%= f.label :price %><br>
<%= f.text_field :price %>
</div>
<!--<div class="field">
<%= f.label :neighborhood %><br>
<%= f.text_field :neighborhood %>
</div> -->
<div class="field">
<%= f.label :external_url %><br>
<%= f.text_field :external_url %>
</div>
<div class="field">
<%= f.label :timestamp %><br>
<%= f.text_field :timestamp %>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>
我的帖子控制器:
class PostsController < ApplicationController
before_action :set_post, only: [:show, :edit, :update, :destroy]
def home
end
# GET /posts
# GET /posts.json
def index
@posts = Post.order('timestamp DESC').paginate(:page => params[:page], :per_page => 50)
@posts = @posts.where(model: params["model"]) if params["model"].present?
@posts = @posts.where(year: params["year"]) if params["year"].present?
@posts = @posts.where(neighborhood: params["neighborhood"]) if params["neighborhood"].present?
@posts = @posts.where("price > ?", params["min_price"]) if params["min_price"].present?
@posts = @posts.where("price < ?", params["max_price"]) if params["max_price"].present?
@posts = @posts.where(transmission: params["transmission"]) if params["transmission"].present?
@posts = @posts.where(title_status: params["title_status"]) if params["title_status"].present?
end
# GET /posts/
這是一個小例子。
@posts = @posts.where( all, :conditions => ["lower(model) =?", params["model"].downcase]) if params["model"].present?
這里發生的情況lower(field_name)使字段的值變成小寫
params [:name] .downcase使值小寫
@posts = @ posts.where(all,:conditions => [“” lower(model)=?“,params [” model“]。downcase])如果params [” model“]。present?
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