Package org.apache.beam.sdk.extensions.sql.impl

Implementation classes of BeamSql.

Interface Summary

Interface	Description
BeamSqlPipelineOptions	Options used to configure BeamSQL.
QueryPlanner	An interface that planners should implement to convert sql statement to BeamRelNode or SqlNode.
QueryPlanner.Factory

Class Summary

Class	Description
BeamCalciteSchema	A Calcite Schema that corresponds to a TableProvider or MetaStore.
BeamCalciteTable	Adapter from BeamSqlTable to a calcite Table.
BeamSqlEnv	Contains the metadata of tables/UDF functions, and exposes APIs to query/validate/optimize/translate SQL statements.
BeamSqlEnv.BeamSqlEnvBuilder	BeamSqlEnv's Builder.
BeamSqlPipelineOptionsRegistrar	AutoService registrar for BeamSqlPipelineOptions.
BeamSystemDbMetadataSchema	A Calcite Schema responsible for SHOW DATABASES requests.
BeamSystemSchema	A Calcite Schema specialized for displaying the session's metadata.
BeamSystemTableMetadataSchema	A Calcite Schema responsible for SHOW TABLES requests.
BeamTableStatistics	This class stores row count statistics.
CalciteConnectionWrapper	Abstract wrapper for CalciteConnection to simplify extension.
CalciteFactoryWrapper	Wrapper for CalciteFactory.
CalciteQueryPlanner	The core component to handle through a SQL statement, from explain execution plan, to generate a Beam pipeline.
CalciteQueryPlanner.NonCumulativeCostImpl
CatalogManagerSchema	A Calcite Schema that corresponds to a CatalogManager.
CatalogSchema	A Calcite Schema that corresponds to a Catalog.
JavaUdfLoader	Loads UdfProvider implementations from user-provided jars.
JdbcConnection	Beam JDBC Connection.
JdbcDriver	Calcite JDBC driver with Beam defaults.
LazyAggregateCombineFn<InputT,AccumT,OutputT>	Combine.CombineFn that wraps an AggregateFn.
QueryPlanner.QueryParameters
ScalarFnReflector	Reflection-based implementation logic for ScalarFn.
ScalarFunctionImpl	Beam-customized version from ScalarFunctionImpl , to address BEAM-5921.
TableName	Represents a parsed table name that is specified in a FROM clause (and other places).
TVFSlidingWindowFn	TVFSlidingWindowFn assigns window based on input row's "window_start" and "window_end" timestamps.
UdafImpl<InputT,AccumT,OutputT>	Implement AggregateFunction to take a Combine.CombineFn as UDAF.
UdfImplReflectiveFunctionBase	Beam-customized version from ReflectiveFunctionBase, to address BEAM-5921.
UdfImplReflectiveFunctionBase.ParameterListBuilder	Helps build lists of FunctionParameter.
ZetaSqlUserDefinedSQLNativeTableValuedFunction	This is a class to indicate that a TVF is a ZetaSQL SQL native UDTVF.

Enum Summary

Enum	Description
QueryPlanner.QueryParameters.Kind

Exception Summary

Exception	Description
ParseException	Exception thrown when Beam SQL is unable to parse the statement.
SqlConversionException	Exception thrown when BeamSQL cannot convert sql to BeamRelNode.