Class: PgHaMigrations::MonthToYearPartmanRenameAdapter

Inherits:
AbstractPartmanRenameAdapter show all
Defined in:
lib/pg_ha_migrations/partman_rename_adapter.rb

Instance Method Summary collapse

Methods inherited from AbstractPartmanRenameAdapter

#alter_table_sql, #initialize

Constructor Details

This class inherits a constructor from PgHaMigrations::AbstractPartmanRenameAdapter

Instance Method Details

#source_datetime_string ⇒ Object 



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# File 'lib/pg_ha_migrations/partman_rename_adapter.rb', line 109

def source_datetime_string
  "YYYY_MM"
end

#source_name_suffix_pattern ⇒ Object 



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# File 'lib/pg_ha_migrations/partman_rename_adapter.rb', line 113

def source_name_suffix_pattern
  /\A.+_p\d{4}_\d{2}\z/
end

#target_datetime_string ⇒ Object 



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# File 'lib/pg_ha_migrations/partman_rename_adapter.rb', line 117

def target_datetime_string
  "YYYYMMDD"
end

#target_table_name(table_name) ⇒ Object 



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# File 'lib/pg_ha_migrations/partman_rename_adapter.rb', line 101

def target_table_name(table_name)
  base_name = table_name[0...-7]

  partition_datetime = DateTime.strptime(table_name.last(7), "%Y_%m")

  base_name + partition_datetime.strftime("%Y%m%d")
end