Module: ActiveRecord::ConnectionAdapters::SchemaStatements

Defined in:
lib/active_record/connection_adapters/ibm_db_adapter.rb,
lib/active_record/connection_adapters/ibm_db_pstmt.rb

Overview

end of module ColumnDumper

Instance Method Summary collapse

Instance Method Details

#assume_migrated_upto_version(version) ⇒ Object 



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# File 'lib/active_record/connection_adapters/ibm_db_pstmt.rb', line 1931

def assume_migrated_upto_version(version)
  version = version.to_i
  sm_table = quote_table_name(ActiveRecord::Migrator.schema_migrations_table_name)

  migrated = select_values("SELECT version FROM #{sm_table}").map(&:to_i)
  versions = Dir['db/migrate/[0-9]*_*.rb'].map do |filename|
    filename.split('/').last.split('_').first.to_i
  end

  unless migrated.include?(version)
    pstmt = prepare("INSERT INTO #{sm_table} (version) VALUES (?)")
    execute_prepared_stmt(pstmt, [version])
  end

  inserted = Set.new
  (versions - migrated).each do |v|
    if inserted.include?(v)
      raise "Duplicate migration #{v}. Please renumber your migrations to resolve the conflict."
    elsif v < version
      pstmt = prepare("INSERT INTO #{sm_table} (version) VALUES (?)")
      execute_prepared_stmt(pstmt, [v])
      inserted << v
    end
  end
end

#create_table_definition(*args, **options) ⇒ Object 



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# File 'lib/active_record/connection_adapters/ibm_db_adapter.rb', line 440

def create_table_definition(*args, **options)
  puts_log "create_table_definition"
  TableDefinition.new(self, *args, **options)
end

#drop_table(table_name, options = {}) ⇒ Object 



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# File 'lib/active_record/connection_adapters/ibm_db_adapter.rb', line 431

def drop_table(table_name, options={})
  puts_log "drop_table - #{table_name}"
  if options[:if_exists]
    execute("DROP TABLE IF EXISTS #{quote_table_name(table_name)}")
  else
    execute("DROP TABLE #{quote_table_name(table_name)}", options)
  end
end

#internal_string_options_for_primary_key ⇒ Object

:nodoc:



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# File 'lib/active_record/connection_adapters/ibm_db_adapter.rb', line 427

def internal_string_options_for_primary_key # :nodoc:
  { primary_key: true, null: false }
end