程序包 org.apache.flink.cdc.runtime.parser.metadata

类概要

类	说明
MetadataColumns	Contains all supported metadata columns that could be used in transform expressions.
TransformNumericExceptFirstOperandChecker	Parameter type-checking strategy where all operand types except first one must be numeric type.
TransformSchema	TransformSchema to generate the metadata of calcite.
TransformSchemaFactory	TransformSchemaFactory to generate the metadata of calcite.
TransformSqlOperatorTable	TransformSqlOperatorTable to generate the metadata of calcite.
TransformSqlReturnTypes	This is the return type definition of the call in the Transform expression, which references the class of FlinkReturnTypes in the Flink.
TransformTable	TransformTable to generate the metadata of calcite.