Package org.apache.beam.sdk.extensions.sql.zetasql.translation

package org.apache.beam.sdk.extensions.sql.zetasql.translation

Conversion logic between ZetaSQL resolved query nodes and Calcite rel nodes.

Related Packages

Package	Description
org.apache.beam.sdk.extensions.sql.zetasql	Deprecated. Use Calcite SQL dialect.
org.apache.beam.sdk.extensions.sql.zetasql.translation.impl	Java implementation of ZetaSQL functions.
org.apache.beam.sdk.extensions.sql.zetasql.unnest	Temporary solution to support ZetaSQL UNNEST.

Classes

Class	Description
ConversionContext	Conversion context, some rules need this data to convert the nodes.
ExpressionConverter	Extracts expressions (function calls, field accesses) from the resolve query nodes, converts them to RexNodes.
QueryStatementConverter	Converts a resolved Zeta SQL query represented by a tree to corresponding Calcite representation.
SqlOperators	A separate SqlOperators table for those functions that do not exist or not compatible with Calcite.
UserFunctionDefinitions	Holds user defined function definitions.
UserFunctionDefinitions.Builder
UserFunctionDefinitions.JavaScalarFunction
ZetaSqlScalarFunctionImpl	ZetaSQL-specific extension to ScalarFunctionImpl.