Class: Dbwatcher::Services::TableStatisticsCollector

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/dbwatcher/services/table_statistics_collector.rb

Overview

Service object for collecting and organizing table statistics Follows the command pattern with self.call class method

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Logging

#debug_enabled?, #log_debug, #log_error, #log_info, #log_warn

Class Method Details

.call ⇒ Array<Hash>

Returns sorted array of table statistics.

Returns:

  • (Array<Hash>) —

    sorted array of table statistics



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# File 'lib/dbwatcher/services/table_statistics_collector.rb', line 11

def self.call
  new.call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/dbwatcher/services/table_statistics_collector.rb', line 15

def call
  log_info "Starting table statistics collection"
  start_time = Time.current

  tables = build_initial_tables_hash
  populate_change_statistics(tables)
  result = sort_by_change_count(tables)

  duration = Time.current - start_time
  log_info "Completed table statistics collection in #{duration.round(3)}s", {
    tables_count: result.length,
    total_changes: result.sum { |t| t[:change_count] }
  }

  result
end