Class: ERDB::Db

Inherits:
Object
  • Object
show all
Defined in:
lib/erdb/adapters/db.rb

Direct Known Subclasses

SQL

Instance Method Summary collapse

Constructor Details

#initialize(adapter, database) ⇒ void

Parameters:

  • adapter (String) —

    The adapter to use.

  • database (String) —

    The database to connect to.



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# File 'lib/erdb/adapters/db.rb', line 8

def initialize(adapter, database)
  @adapter = adapter
  @database = database
end

Instance Method Details

#connect ⇒ Object

Connect to a database.



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# File 'lib/erdb/adapters/db.rb', line 16

def connect
  raise "[connect] Not implemented."
end

#disconnect ⇒ Object

Disconnect from a database.



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# File 'lib/erdb/adapters/db.rb', line 23

def disconnect
  raise "[disconnect] Not implemented."
end

#to_erdb ⇒ Array

Convert database tables to ERD convertable Array. “‘ruby [

{
  name: "table_name",
  is_junction_table: false,
  columns: [{ name: "column_name", type: "column_type" }, ...],
  relations: [
    {
      from: {
        table: "table_name",
        column: "column_name"
      },
      to: {
        table: "table_name",
        column: "column_name"
      }
    }
    ...
  ]
}
...

]

```

Examples:

Example result:

Returns:

  • (Array) —

    The converted hash format. see example result below.



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# File 'lib/erdb/adapters/db.rb', line 56

def to_erdb
  raise "[to_erdb] Not implemented."
end