Class: RailsRedshiftReplicator::Tools::Analyze

Inherits:

Object

Object
RailsRedshiftReplicator::Tools::Analyze

show all

Defined in:: lib/rails_redshift_replicator/tools/analyze.rb

Instance Method Summary collapse

#initialize(table = nil) ⇒ Analyze constructor

Updates the query plan to improve performance.
#perform ⇒ Object

Constructor Details

#initialize(table = nil) ⇒ `Analyze`

Updates the query plan to improve performance. see [docs.aws.amazon.com/redshift/latest/dg/r_ANALYZE.html]

Parameters:

table (String, :all) (defaults to: nil) —

table to analyze or :all



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# File 'lib/rails_redshift_replicator/tools/analyze.rb', line 7

def initialize(table = nil)
  @table = (table.blank? || table.to_s == "all") ? nil : table
end

Instance Method Details

#perform ⇒ `Object`

# File 'lib/rails_redshift_replicator/tools/analyze.rb', line 11

def perform
  command = "ANALYZE #{@table};".squish
  RailsRedshiftReplicator.logger.debug(command)
  RailsRedshiftReplicator.connection.exec command
end