类的使用
org.apache.flink.table.api.TableSchema

使用TableSchema的程序包

程序包	说明
org.apache.flink.table.api
org.apache.flink.table.catalog
org.apache.flink.table.descriptors
org.apache.flink.table.factories
org.apache.flink.table.sinks
org.apache.flink.table.sources
org.apache.flink.table.utils

org.apache.flink.table.api中TableSchema的使用

返回TableSchema的org.apache.flink.table.api中的方法

限定符和类型	方法和说明
TableSchema	TableSchema.Builder.build() Returns a TableSchema instance.
TableSchema	TableSchema.copy() 已过时。 Returns a deep copy of the table schema.
static TableSchema	TableSchema.fromResolvedSchema(ResolvedSchema resolvedSchema) 已过时。 Helps to migrate to the new ResolvedSchema to old API methods.
static TableSchema	TableSchema.fromTypeInfo(org.apache.flink.api.common.typeinfo.TypeInformation<?> typeInfo) 已过时。 This method will be removed soon. Use DataTypes to declare types.

org.apache.flink.table.catalog中TableSchema的使用

返回TableSchema的org.apache.flink.table.catalog中的方法

限定符和类型	方法和说明
default TableSchema	CatalogBaseTable.getSchema() 已过时。 This method returns the deprecated TableSchema class. The old class was a hybrid of resolved and unresolved schema information. It has been replaced by the new Schema which is always unresolved and will be resolved by the framework later.
default TableSchema	ResolvedCatalogBaseTable.getSchema() 已过时。 This method returns the deprecated TableSchema class. The old class was a hybrid of resolved and unresolved schema information. It has been replaced by the new ResolvedSchema which is resolved by the framework and accessible via ResolvedCatalogBaseTable.getResolvedSchema().

org.apache.flink.table.descriptors中TableSchema的使用

返回TableSchema的org.apache.flink.table.descriptors中的方法

限定符和类型	方法和说明
TableSchema	DescriptorProperties.getTableSchema(String key) 已过时。 Returns a table schema under the given existing key.

返回变量类型为TableSchema的类型的org.apache.flink.table.descriptors中的方法

限定符和类型	方法和说明
Optional<TableSchema>	DescriptorProperties.getOptionalTableSchema(String key) 已过时。 Returns a table schema under the given key if it exists.

参数类型为TableSchema的org.apache.flink.table.descriptors中的方法

限定符和类型	方法和说明
void	DescriptorProperties.putTableSchema(String key, TableSchema schema) 已过时。 Adds a table schema under the given key.
Schema	Schema.schema(TableSchema schema) 已过时。 Sets the schema with field names and the types.

org.apache.flink.table.factories中TableSchema的使用

返回TableSchema的org.apache.flink.table.factories中的方法

限定符和类型	方法和说明
static TableSchema	TableFormatFactoryBase.deriveSchema(Map<String,String> properties) Finds the table schema that can be used for a format schema (without time attributes and generated columns).
TableSchema	FileSystemFormatFactory.ReaderContext.getSchema() Full schema of the table.

org.apache.flink.table.sinks中TableSchema的使用

返回TableSchema的org.apache.flink.table.sinks中的方法

限定符和类型	方法和说明
default TableSchema	TableSink.getTableSchema() 已过时。 Returns the schema of the consumed table.

org.apache.flink.table.sources中TableSchema的使用

返回TableSchema的org.apache.flink.table.sources中的方法

限定符和类型	方法和说明
TableSchema	TableSource.getTableSchema() 已过时。 Table schema is a logical description of a table and should not be part of the physical TableSource. Define schema when registering a Table either in DDL or in TableEnvironment#connect(...).

参数类型为TableSchema的org.apache.flink.table.sources中的方法

限定符和类型	方法和说明
static void	TableSourceValidation.validateTableSource(TableSource<?> tableSource, TableSchema schema) Validates a TableSource.

org.apache.flink.table.utils中TableSchema的使用

返回TableSchema的org.apache.flink.table.utils中的方法

限定符和类型	方法和说明
static TableSchema	TableSchemaUtils.checkOnlyPhysicalColumns(TableSchema schema) Throws an exception if the given TableSchema contains any non-physical columns.
static TableSchema	TableSchemaUtils.dropConstraint(TableSchema oriSchema, String constraintName) Creates a new schema but drop the constraint with given name.
static TableSchema	TableSchemaUtils.getPhysicalSchema(TableSchema tableSchema) Return TableSchema which consists of all physical columns.
static TableSchema	TableSchemaUtils.projectSchema(TableSchema tableSchema, int[][] projectedFields) Creates a new TableSchema with the projected fields from another TableSchema.

参数类型为TableSchema的org.apache.flink.table.utils中的方法

限定符和类型	方法和说明
static TableSchema.Builder	TableSchemaUtils.builderWithGivenSchema(TableSchema oriSchema) Creates a builder with given table schema.
static TableSchema	TableSchemaUtils.checkOnlyPhysicalColumns(TableSchema schema) Throws an exception if the given TableSchema contains any non-physical columns.
static boolean	TableSchemaUtils.containsPhysicalColumnsOnly(TableSchema schema) Returns true if there are only physical columns in the given TableSchema.
static TableSchema	TableSchemaUtils.dropConstraint(TableSchema oriSchema, String constraintName) Creates a new schema but drop the constraint with given name.
static TableSchema	TableSchemaUtils.getPhysicalSchema(TableSchema tableSchema) Return TableSchema which consists of all physical columns.
static int[]	TableSchemaUtils.getPrimaryKeyIndices(TableSchema schema) Returns the field indices of primary key in the physical columns of this schema (not include computed columns or metadata columns).
static TableSchema	TableSchemaUtils.projectSchema(TableSchema tableSchema, int[][] projectedFields) Creates a new TableSchema with the projected fields from another TableSchema.