我是新来的轨道。我正在开发一个新的 Rails 项目，它是一个图书馆系统，在尝试访问 Loan_fines 时遇到了一个奇怪的错误。
错误如下：-
ActiveRecord::StatementInvalid in LoanFinesController#index
PG::Error: ERROR: relation "loan_fines" does not exist
LINE 5: WHERE a.attrelid = '"loan_fines"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod),
pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"loan_fines"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
我的 LoanFines 控制器如下：-
class LoanFinesController < ApplicationController
# GET /loan_fines
# GET /loan_fines.json
def index
@loan_fines = LoanFine.all
respond_to do |format|
format.html # index.html.erb
format.json { render json: @loan_fines }
end
end
# GET /loan_fines/1
# GET /loan_fines/1.json
def show
@loan_fine = LoanFine.find(params[:id])
respond_to do |format|
format.html # show.html.erb
format.json { render json: @loan_fine }
end
end
# GET /loan_fines/new
# GET /loan_fines/new.json
def new
@loan_fine = LoanFine.new
respond_to do |format|
format.html # new.html.erb
format.json { render json: @loan_fine }
end
end
# GET /loan_fines/1/edit
def edit
@loan_fine = LoanFine.find(params[:id])
end
# POST /loan_fines
# POST /loan_fines.json
def create
@loan_fine = LoanFine.new(params[:loan_fine])
respond_to do |format|
if @loan_fine.save
format.html { redirect_to @loan_fine, notice: 'Loan fine was successfully created.' }
format.json { render json: @loan_fine, status: :created, location: @loan_fine }
else
format.html { render action: "new" }
format.json { render json: @loan_fine.errors, status: :unprocessable_entity }
end
end
end
# PUT /loan_fines/1
# PUT /loan_fines/1.json
def update
@loan_fine = LoanFine.find(params[:id])
respond_to do |format|
if @loan_fine.update_attributes(params[:loan_fine])
format.html { redirect_to @loan_fine, notice: 'Loan fine was successfully updated.' }
format.json { head :no_content }
else
format.html { render action: "edit" }
format.json { render json: @loan_fine.errors, status: :unprocessable_entity }
end
end
end
# DELETE /loan_fines/1
# DELETE /loan_fines/1.json
def delete
@loan_fine = LoanFine.find(params[:id])
@loan_fine.deleted = 1
@loan_fine.save
respond_to do |format|
format.html { redirect_to loan_fines_url }
format.json { render :json => { :success => true } }
end
end
end
我的贷款罚款索引如下：-
<h1 class="List">Listing Loan Fines</h1>
<table class="table table-bordered" >
<tr>
<th>ID</th>
<th>Category Id</th>
<th>Loan Duration</th>
<th>Book Id</th>
<th>Fine Amount</th>
<th>Fine Duration</th>
<th>Edit</th>
<th>Delete</th>
</tr>
<% @loan_fines.each do |c| %>
<tr>
<td><%= link_to c.id, {:action => 'show', :id => c.id} %> </td>
<td><%= c.category_id %> </td>
<td><%= c.loan_duration %> </td>
<td><%= c.book_id %> </td>
<td><%= c.fine_amount %> </td>
<td><%= c.fine_duration %> </td>
<td><%= link_to 'Edit', {:action => 'edit', :id => c.id} %> </td>
<td><%= link_to 'Delete', {:action => 'delete', :id => c.id},
:data => { :confirm => "Are you sure you want to delete this value?" } %></td>
</tr>
<% end %>
</table>
<br />
<%= link_to 'New Loan fine', new_loan_fine_path %>
我的日志有以下内容：-
Started GET "/loan_fines" for 127.0.0.1 at 2013-03-29 22:36:37 -0700
Processing by LoanFinesController#index as HTML
PG::Error: ERROR: relation "loan_fines" does not exist
LINE 5: WHERE a.attrelid = '"loan_fines"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod),
pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"loan_fines"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
Completed 500 Internal Server Error in 1ms
ActiveRecord::StatementInvalid (PG::Error: ERROR: relation "loan_fines" does not exist
LINE 5: WHERE a.attrelid = '"loan_fines"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod),
pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"loan_fines"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
):
app/controllers/loan_fines_controller.rb:5:in `index'
Rendered /home/chiron/.rvm/gems/ruby-1.9.3-p327/gems/actionpack-3.2.11/lib/action_dispatch/middleware/templates/rescues/_trace.erb (5.2ms)
Rendered /home/chiron/.rvm/gems/ruby-1.9.3-p327/gems/actionpack-3.2.11/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (1.0ms)
Rendered /home/chiron/.rvm/gems/ruby-1.9.3-p327/gems/actionpack-3.2.11/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (11.3ms)
我被困在这个问题上。最奇怪的部分是相同的代码似乎work on windows在尝试Ubuntu am getting an error。
谁能帮我解决这个问题。