Ruby: Sequel gem Insert to Mysql

Ruby: Sequel gem Insert to Mysql

By : xenosaga01
Date : November 22 2020, 02:59 PM
I wish this helpful for you :items is the table name. That's just Sequel's syntax for indicating which table you want to insert into.
code :

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Mysql / Ruby Sequel last insert ID value, what method?

Mysql / Ruby Sequel last insert ID value, what method?

By : Nakamura Yoshifumi
Date : March 29 2020, 07:55 AM
may help you . The Dataset#insert method should return the last insert id:
code :
Sequel gem & MySQL (Ruby + Windows): load mysql.so file, not mysql.rb

Sequel gem & MySQL (Ruby + Windows): load mysql.so file, not mysql.rb

By : user3393850
Date : March 29 2020, 07:55 AM
wish helps you Found the solution on this thread: Unable to connect mysql from Sequel gem
Call gem('mysql') to specify use of the native sql driver before Sequel.connect().
Ruby Sequel + PG: Is (DB.disconnect + signal/trap/exit) necessary in Sequel-backed apps?

Ruby Sequel + PG: Is (DB.disconnect + signal/trap/exit) necessary in Sequel-backed apps?

By : godzill4
Date : March 29 2020, 07:55 AM
I wish this helpful for you Ruby will automatically close the database connection sockets on process shutdown, so you don't need to call DB.disconnect manually (though you can if you want to).
Ruby Sequel MySQL Insert Error

Ruby Sequel MySQL Insert Error

By : user3362491
Date : March 29 2020, 07:55 AM
I wish did fix the issue. There are some problems I detected:
Here you add the cities with downcase:
code :
    cities.each do |city|
            DB[:locations].insert(:name => city.downcase)
        rescue Sequel::UniqueConstraintViolation
            puts "Duplicate, not added"
    allLocs = DB[:locations].where(:name => cities).order(:name).all
allLocs = DB[:locations].where(:name => cities.map(&:downcase)).order(:name).all
        addDist(toLoc, fromLoc)
        addDist(toLoc[:id], fromLoc[:id])
DB[:distances].insert(:to=>tos[:id], :from=>froms[:id])
selection = DB[:locations].where(:name => cities.map(&:downcase)).order(:name)
        puts toLoc.to_s + " : " + fromLoc.to_s 
        #If you comment out the line below everything runs fine, minus the insertion obviously
        addDist(toLoc[:id], fromLoc[:id])
Insert into select with a hard coded value with Ruby Sequel

Insert into select with a hard coded value with Ruby Sequel

By : Gerard van der Kruij
Date : March 29 2020, 07:55 AM
Hope that helps You didn't provide an executable setup, so I haven't tested this, but I think it will work. The basic idea is to just add a constant column of results to your select.
code :
reports = db[:reports]
report_columns = [:user_id, :purchase_date, :sku, :channel]

spoons_select_graph = {
  user_id: :users,
  purchase_date: :spoon_receipts,
  product_id: :spoon_receipts,
  channel: [:spoon_receipts, :channel, 'spoons']
spoons = db[:spoon_receipts]
spoons_select = spoons.graph(:users, user_id: :user_id).set_graph_aliases(spoons_select_graph)

reports.disable_insert_returning.insert(report_columns, spoons_select)
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