Class: ClickhouseRuby::ActiveRecord::TableOptionsExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/clickhouse_ruby/active_record/schema_dumper.rb

Overview

Extracts ClickHouse-specific table options

Instance Method Summary collapse

Constructor Details

#initialize(connection, table_name) ⇒ TableOptionsExtractor

Returns a new instance of TableOptionsExtractor.



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# File 'lib/clickhouse_ruby/active_record/schema_dumper.rb', line 228

def initialize(connection, table_name)
  @connection = connection
  @table_name = table_name
end

Instance Method Details

#extract ⇒ Hash

Extract table options from system.tables

Returns:

  • (Hash) —

    table options



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# File 'lib/clickhouse_ruby/active_record/schema_dumper.rb', line 236

def extract
  row = fetch_table_metadata
  return {} unless row

  build_options(row)
end