Class: RedshiftConnector::Connector
- Inherits:
-
Object
- Object
- RedshiftConnector::Connector
- Defined in:
- lib/redshift_connector/connector.rb
Constant Summary collapse
- DEFAULT_BATCH_SIZE =
1000
Class Method Summary collapse
- .transport_all(strategy: 'rename', schema:, table: nil, src_table: table, dest_table: table, columns:, bucket: nil, txn_id: nil, filter:, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
- .transport_all_from_s3(strategy: 'rename', table:, columns:, bucket: nil, prefix:, format:, filter: nil, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
- .transport_delta(schema:, table: nil, src_table: table, dest_table: table, condition:, columns:, delete_cond: nil, upsert_columns: nil, bucket: nil, txn_id: nil, filter:, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
- .transport_delta_from_s3(bucket: nil, prefix:, format:, filter: nil, table:, columns:, delete_cond: nil, upsert_columns: nil, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
Instance Method Summary collapse
- #execute ⇒ Object
- #export ⇒ Object
- #export_enabled? ⇒ Boolean
- #import ⇒ Object
- #import_enabled? ⇒ Boolean
-
#initialize(exporter:, importer:, filter: nil, logger:) ⇒ Connector
constructor
A new instance of Connector.
Constructor Details
#initialize(exporter:, importer:, filter: nil, logger:) ⇒ Connector
Returns a new instance of Connector.
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# File 'lib/redshift_connector/connector.rb', line 150 def initialize(exporter:, importer:, filter: nil, logger:) @exporter = exporter @importer = importer @filter = filter @logger = logger @bundle = nil end |
Class Method Details
.transport_all(strategy: 'rename', schema:, table: nil, src_table: table, dest_table: table, columns:, bucket: nil, txn_id: nil, filter:, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
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# File 'lib/redshift_connector/connector.rb', line 113 def Connector.transport_all( strategy: 'rename', schema:, table: nil, src_table: table, dest_table: table, columns:, bucket: nil, txn_id: nil, filter:, logger: RedshiftConnector.logger, quiet: false ) logger = NullLogger.new if quiet bundle_params = DataFileBundleParams.new( bucket: bucket, schema: schema, table: src_table, txn_id: txn_id, logger: logger ) exporter = Exporter.for_table( bundle_params: bundle_params, schema: schema, table: src_table, columns: columns, logger: logger ) importer = Importer.for_rebuild( strategy: strategy, table: dest_table, columns: columns, logger: logger ) new(exporter: exporter, importer: importer, filter: filter, logger: logger) end |
.transport_all_from_s3(strategy: 'rename', table:, columns:, bucket: nil, prefix:, format:, filter: nil, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
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# File 'lib/redshift_connector/connector.rb', line 85 def Connector.transport_all_from_s3( strategy: 'rename', table:, columns:, bucket: nil, prefix:, format:, filter: nil, logger: RedshiftConnector.logger, quiet: false ) logger = NullLogger.new if quiet bundle = S3DataFileBundle.for_prefix( bucket: (bucket ? S3Bucket.get(bucket) : S3Bucket.default), prefix: prefix, format: format, logger: logger ) exporter = ImmediateExporter.new(bundle: bundle, logger: logger) importer = Importer.for_rebuild( strategy: strategy, table: table, columns: columns, logger: logger ) new(exporter: exporter, importer: importer, filter: filter, logger: logger) end |
.transport_delta(schema:, table: nil, src_table: table, dest_table: table, condition:, columns:, delete_cond: nil, upsert_columns: nil, bucket: nil, txn_id: nil, filter:, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
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# File 'lib/redshift_connector/connector.rb', line 41 def Connector.transport_delta( schema:, table: nil, src_table: table, dest_table: table, condition:, columns:, delete_cond: nil, upsert_columns: nil, bucket: nil, txn_id: nil, filter:, logger: RedshiftConnector.logger, quiet: false ) unless src_table and dest_table raise ArgumentError, "missing :table, :src_table or :dest_table" end logger = NullLogger.new if quiet bundle_params = DataFileBundleParams.new( bucket: bucket, schema: schema, table: src_table, txn_id: txn_id, logger: logger ) exporter = Exporter.for_table_delta( bundle_params: bundle_params, schema: schema, table: src_table, columns: columns, condition: condition, logger: logger ) importer = Importer.for_delta_upsert( table: dest_table, columns: columns, delete_cond: delete_cond, upsert_columns: upsert_columns, logger: logger ) new(exporter: exporter, importer: importer, filter: filter, logger: logger) end |
.transport_delta_from_s3(bucket: nil, prefix:, format:, filter: nil, table:, columns:, delete_cond: nil, upsert_columns: nil, logger: RedshiftConnector.logger, quiet: false) ⇒ Object
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# File 'lib/redshift_connector/connector.rb', line 11 def Connector.transport_delta_from_s3( bucket: nil, prefix:, format:, filter: nil, table:, columns:, delete_cond: nil, upsert_columns: nil, logger: RedshiftConnector.logger, quiet: false ) logger = NullLogger.new if quiet bundle = S3DataFileBundle.for_prefix( bucket: (bucket ? S3Bucket.get(bucket) : S3Bucket.default), prefix: prefix, format: format, logger: logger ) exporter = ImmediateExporter.new(bundle: bundle, logger: logger) importer = Importer.for_delta_upsert( table: table, columns: columns, delete_cond: delete_cond, upsert_columns: upsert_columns, logger: logger ) new(exporter: exporter, importer: importer, filter: filter, logger: logger) end |
Instance Method Details
#execute ⇒ Object
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# File 'lib/redshift_connector/connector.rb', line 166 def execute export if export_enabled? import if import_enabled? end |
#export ⇒ Object
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# File 'lib/redshift_connector/connector.rb', line 171 def export @logger.info "==== export task ==================================================" @bundle = @exporter.execute end |
#export_enabled? ⇒ Boolean
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# File 'lib/redshift_connector/connector.rb', line 158 def export_enabled? not ENV['IMPORT_ONLY'] end |
#import ⇒ Object
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# File 'lib/redshift_connector/connector.rb', line 178 def import @logger.info "==== import task ==================================================" r = DataFileBundleReader.new( @bundle, filter: @filter, batch_size: DEFAULT_BATCH_SIZE, logger: @logger ) @importer.execute(r) end |
#import_enabled? ⇒ Boolean
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# File 'lib/redshift_connector/connector.rb', line 162 def import_enabled? not ENV['EXPORT_ONLY'] end |