程序包 org.apache.flink.table.api

类概要

类	说明
DataTypes	A DataType can be used to declare input and/or output types of operations.
DataTypes.AbstractField	Common helper class for resolved and unresolved fields of a row or structured type.
DataTypes.Field	Helper class for defining the field of a row or structured type.
DataTypes.Resolution	Helper class for defining the resolution of an interval.
DataTypes.UnresolvedField	Helper class for defining the unresolved field of a row or structured type.
TableColumn	Representation of a table column in the API.
TableColumn.ComputedColumn	Representation of a computed column.
TableColumn.MetadataColumn	Representation of a metadata column.
TableColumn.PhysicalColumn	Representation of a physical column.
TableSchema	A table schema that represents a table's structure with field names and data types.
TableSchema.Builder	Builder for creating a TableSchema.
Types	已过时 This class will be removed in future versions as it uses the old type system.
WatermarkSpec	Watermark metadata defined in TableSchema.

异常错误概要

异常错误	说明
AmbiguousTableFactoryException	Exception for finding more than one TableFactory for the given properties.
CatalogNotExistException	Exception for an operation on a nonexistent catalog.
ExpressionParserException	Exception for all errors occurring during expression parsing.
NoMatchingTableFactoryException	Exception for not finding a TableFactory for the given properties.
TableException	General Exception for all errors during table handling.
TableNotExistException	Exception for an operation on a nonexistent table.
UnresolvedException	Exception for unwanted method calling on unresolved expression.
ValidationException	Exception for all errors occurring during validation phase.