Module: PartitionGardener::ConfigDocument

Defined in:
lib/partition_gardener/config_document.rb

Constant Summary collapse

SCHEMA_PATH = 
File.expand_path("../../docs/schemas/partition_garden.schema.json", __dir__)
PLAN_SCHEMA_PATH = 
File.expand_path("../../docs/schemas/plan_report.schema.json", __dir__)
PORTABLE_KEYS = 
%i[
  table_name
  layout
  bucket
  partition_key_column
  conflict_key
  active_months
  active_days
  active_weeks
  active_quarters
  active_years
  premake_months
  split_row_threshold
  move_batch_size
  statement_timeout
  retention_months
  retention_apply
  retention_keep_table
  retention_detach_concurrently
  align_child_columns
  hash_modulus
  maintenance_backend
  incremental_rebalance
  run_record_enabled
  analyze_after_rebalance
].freeze
IMPORTABLE_LAYOUTS = 
%w[
  sliding_window
  rolling_current
  calendar_year
  premake_monthly
  integer_window
  hash_branches
].freeze
ALLOWED_REGISTRY_KEYS = 
(
  %w[table_name layout partition_key_column conflict_key bucket] +
  PORTABLE_KEYS.map(&:to_s)
).uniq.freeze

Class Method Summary collapse

Class Method Details

.export(config) ⇒ Object 



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# File 'lib/partition_gardener/config_document.rb', line 49

def export(config)
  PORTABLE_KEYS.each_with_object({}) do |key, document|
    next unless config.key?(key)

    document[key] = config[key]
  end
end

.export_all(configs) ⇒ Object 



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# File 'lib/partition_gardener/config_document.rb', line 57

def export_all(configs)
  configs.map { |config| export(config) }
end

.from_hash(document) ⇒ Object 



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# File 'lib/partition_gardener/config_document.rb', line 61

def from_hash(document)
  layout = document.fetch("layout").to_sym
  table_name = document.fetch("table_name")
  partition_key_column = document.fetch("partition_key_column")
  conflict_key = document.fetch("conflict_key")
  options = document.except("table_name", "layout", "partition_key_column", "conflict_key").transform_keys(&:to_sym)

  case layout
  when :sliding_window
    import_sliding_window(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  when :rolling_current
    Templates.rolling_current_monthly(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  when :premake_monthly
    Templates.premake_monthly(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  when :calendar_year
    Templates.calendar_year(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  when :integer_window
    Templates.integer_window(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  when :hash_branches
    Templates.hash_branches(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  else
    raise ArgumentError, "layout #{layout} is not supported in JSON config import"
  end
end

.import_sliding_window(table_name:, partition_key_column:, conflict_key:, bucket: :month, **options) ⇒ Object 



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# File 'lib/partition_gardener/config_document.rb', line 116

def import_sliding_window(table_name:, partition_key_column:, conflict_key:, bucket: :month, **options)
  case bucket.to_sym
  when :day
    Templates.sliding_window_daily(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  when :week
    Templates.sliding_window_weekly(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  when :quarter
    Templates.sliding_window_quarterly(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  else
    Templates.sliding_window_monthly(
      table_name: table_name,
      partition_key_column: partition_key_column,
      conflict_key: conflict_key,
      **options
    )
  end
end

.load_registry_file!(path) ⇒ Object 



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# File 'lib/partition_gardener/config_document.rb', line 149

def load_registry_file!(path)
  Registry.reset!
  payload = JSON.parse(File.read(path))

  case payload
  when Array
    payload.each { |document| register_validated_document!(document) }
  when Hash
    if payload["tables"].is_a?(Array)
      payload["tables"].each { |document| register_validated_document!(document) }
    else
      register_validated_document!(payload)
    end
  else
    raise ArgumentError, "registry file must be a JSON object or array"
  end
end

.register_validated_document!(document) ⇒ Object 



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# File 'lib/partition_gardener/config_document.rb', line 245

def register_validated_document!(document)
  Registry.register(from_hash(validate_registry_document!(document)))
end

.validate_registry_conflict_key!(document) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 213

def validate_registry_conflict_key!(document)
  conflict_key = document.fetch("conflict_key")
  return if conflict_key.is_a?(Array) && conflict_key.any? && conflict_key.all? { |column| column.is_a?(String) && !column.empty? }

  raise ArgumentError, "conflict_key must be a non-empty array of strings"
end

.validate_registry_core_strings!(document) ⇒ Object 



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# File 'lib/partition_gardener/config_document.rb', line 203

def validate_registry_core_strings!(document)
  unless document.fetch("table_name").is_a?(String) && !document.fetch("table_name").empty?
    raise ArgumentError, "table_name must be a non-empty string"
  end

  unless document.fetch("partition_key_column").is_a?(String) && !document.fetch("partition_key_column").empty?
    raise ArgumentError, "partition_key_column must be a non-empty string"
  end
end

.validate_registry_document!(document) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 167

def validate_registry_document!(document)
  raise ArgumentError, "registry entry must be a JSON object" unless document.is_a?(Hash)

  validate_registry_required_keys!(document)
  validate_registry_unknown_keys!(document)
  validate_registry_layout!(document)
  validate_registry_core_strings!(document)
  validate_registry_conflict_key!(document)
  validate_registry_optional_bucket!(document)
  validate_registry_optional_maintenance_backend!(document)
  validate_registry_optional_boolean!(document, "align_child_columns")
  document
end

.validate_registry_layout!(document) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 195

def validate_registry_layout!(document)
  layout = document.fetch("layout")
  return if layout.is_a?(String) && IMPORTABLE_LAYOUTS.include?(layout)

  supported = IMPORTABLE_LAYOUTS.join(", ")
  raise ArgumentError, "layout #{layout.inspect} is not supported in JSON import (supported: #{supported}; composite and list_split require Ruby registration)"
end

.validate_registry_optional_boolean!(document, key) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 238

def validate_registry_optional_boolean!(document, key)
  return unless document.key?(key)
  return if document.fetch(key) == true || document.fetch(key) == false

  raise ArgumentError, "#{key} must be true or false"
end

.validate_registry_optional_bucket!(document) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 220

def validate_registry_optional_bucket!(document)
  return unless document.key?("bucket")

  bucket = document.fetch("bucket")
  return if bucket.is_a?(String) && %w[day week month quarter year].include?(bucket)

  raise ArgumentError, "bucket must be one of: day, week, month, quarter, year"
end

.validate_registry_optional_maintenance_backend!(document) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 229

def validate_registry_optional_maintenance_backend!(document)
  return unless document.key?("maintenance_backend")

  backend = document.fetch("maintenance_backend")
  return if backend.is_a?(String) && %w[gardener pg_partman hybrid_layout_only].include?(backend)

  raise ArgumentError, "maintenance_backend must be gardener, pg_partman, or hybrid_layout_only"
end

.validate_registry_required_keys!(document) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 181

def validate_registry_required_keys!(document)
  missing_keys = %w[table_name layout partition_key_column conflict_key] - document.keys
  return if missing_keys.empty?

  raise ArgumentError, "registry entry missing required keys: #{missing_keys.join(", ")}"
end

.validate_registry_unknown_keys!(document) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/partition_gardener/config_document.rb', line 188

def validate_registry_unknown_keys!(document)
  unknown_keys = document.keys - ALLOWED_REGISTRY_KEYS
  return if unknown_keys.empty?

  raise ArgumentError, "registry entry has unsupported keys: #{unknown_keys.join(", ")}"
end