First of All, here is an hash
data[:posts] = {
:pid => {
:primary_key => true
},
:title => {
:type => 'String'
},
:body => {
:type => 'Text'
},
}
Assuming a method called `data_to_migration`, i put the data to it like
`data_to_migration(data)`, so it will generate the migration file as below,
after, i implement the migration to affect the database
Sequel.migration do
change do
create_table(:posts) do
primary_key :pid
String :title
Text :body
end
end
end
Later, i remember something and intend to change the schema of database by
modifying that hash, the modified result as below
data[:posts] = {
:pid => {
:primary_key => true
},
:title => {
:type => 'String'
},
:body => {
:type => 'Text'
},
:created => {
:type => 'Time'
},
}
and that still will generate a new migration file like
Sequel.migration do
change do
alter_table(:posts) do
add_column :created, Time
end
end
end
So, the method `data_to_migration(data)` that responsibility is to generate
the migration content according to an hash variable that will be modified
again and again as i want to,
Currently, is the Sequel has a method like `data_to_migration` existing to
implement the function of what i need ?
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