Class: DbDumper::QueryBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/db_dumper/query_builder.rb,
lib/db_dumper/query_builder/query.rb,
lib/db_dumper/query_builder/table.rb

Overview

Generates queries for copying data

Defined Under Namespace

Classes: Query, Table

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/db_dumper/query_builder.rb', line 7

def config
  @config
end

Class Method Details

.build(config, &block) ⇒ Object 



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# File 'lib/db_dumper/query_builder.rb', line 9

def self.build(config, &block)
  establish_connection

  new(config).tap do |instance|
    instance.instance_eval(&block)
  end
end

Instance Method Details

#copy(query) ⇒ Object

add query to current dump



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# File 'lib/db_dumper/query_builder.rb', line 33

def copy(query)
  queries << query
end

#copy_commands ⇒ Object 



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# File 'lib/db_dumper/query_builder.rb', line 21

def copy_commands
  queries.map(&method(:build_copy_command))
end

#dump(table_name) ⇒ Object

Dump whole table to sql file



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# File 'lib/db_dumper/query_builder.rb', line 28

def dump(table_name)
  dumping_tables << table_name
end

#dumping_tables ⇒ Object 



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# File 'lib/db_dumper/query_builder.rb', line 17

def dumping_tables
  @dumping_tables ||= []
end

#q(raw_table) ⇒ Object

creates new query



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# File 'lib/db_dumper/query_builder.rb', line 38

def q(raw_table)
  Query.new(raw_table)
end