org.apache.flink.sql.parser.type

Class ExtendedSqlCollectionTypeNameSpec

java.lang.Object

org.apache.calcite.sql.SqlTypeNameSpec

org.apache.calcite.sql.SqlCollectionTypeNameSpec

org.apache.flink.sql.parser.type.ExtendedSqlCollectionTypeNameSpec

public class ExtendedSqlCollectionTypeNameSpec
extends org.apache.calcite.sql.SqlCollectionTypeNameSpec

A extended sql type name specification of collection type, different with SqlCollectionTypeNameSpec, we support NULL or NOT NULL suffix for the element type name(this syntax does not belong to standard SQL).

Constructor Summary

Constructors

Constructor and Description
ExtendedSqlCollectionTypeNameSpec(org.apache.calcite.sql.SqlTypeNameSpec elementTypeName, boolean elementNullable, org.apache.calcite.sql.type.SqlTypeName collectionTypeName, boolean unparseAsStandard, org.apache.calcite.sql.parser.SqlParserPos pos) Creates a ExtendedSqlCollectionTypeNameSpec.

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.type.RelDataType	deriveType(org.apache.calcite.sql.validate.SqlValidator validator)
boolean	elementNullable()
boolean	equalsDeep(org.apache.calcite.sql.SqlTypeNameSpec spec, org.apache.calcite.util.Litmus litmus)
org.apache.calcite.sql.type.SqlTypeName	getCollectionTypeName()
void	unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)
boolean	unparseAsStandard()

Methods inherited from class org.apache.calcite.sql.SqlCollectionTypeNameSpec

getElementTypeName

Methods inherited from class org.apache.calcite.sql.SqlTypeNameSpec

getParserPos, getTypeName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExtendedSqlCollectionTypeNameSpec

public ExtendedSqlCollectionTypeNameSpec(org.apache.calcite.sql.SqlTypeNameSpec elementTypeName,
                                         boolean elementNullable,
                                         org.apache.calcite.sql.type.SqlTypeName collectionTypeName,
                                         boolean unparseAsStandard,
                                         org.apache.calcite.sql.parser.SqlParserPos pos)

Creates a ExtendedSqlCollectionTypeNameSpec.

Parameters:

elementTypeName - element type name specification

elementNullable - flag indicating if the element type is nullable

collectionTypeName - collection type name

unparseAsStandard - if we should unparse the collection type as standard SQL style

pos - the parser position

Method Detail

elementNullable

public boolean elementNullable()

getCollectionTypeName

public org.apache.calcite.sql.type.SqlTypeName getCollectionTypeName()

unparseAsStandard

public boolean unparseAsStandard()

deriveType

public org.apache.calcite.rel.type.RelDataType deriveType(org.apache.calcite.sql.validate.SqlValidator validator)

Overrides:

deriveType in class org.apache.calcite.sql.SqlCollectionTypeNameSpec

unparse

public void unparse(org.apache.calcite.sql.SqlWriter writer,
                    int leftPrec,
                    int rightPrec)

Overrides:

unparse in class org.apache.calcite.sql.SqlCollectionTypeNameSpec

equalsDeep

public boolean equalsDeep(org.apache.calcite.sql.SqlTypeNameSpec spec,
                          org.apache.calcite.util.Litmus litmus)

Overrides:

equalsDeep in class org.apache.calcite.sql.SqlCollectionTypeNameSpec