Package org.apache.flink.sql.parser.type
Class ExtendedSqlRowTypeNameSpec
java.lang.Object
org.apache.calcite.sql.SqlTypeNameSpec
org.apache.flink.sql.parser.type.ExtendedSqlRowTypeNameSpec
public class ExtendedSqlRowTypeNameSpec
extends org.apache.calcite.sql.SqlTypeNameSpec
A sql type name specification of ROW type.
The difference with SqlRowTypeNameSpec:
- Support comment syntax for every field
- Field data type default is nullable
- Support ROW type with empty fields, e.g. ROW()
-
Constructor Summary
ConstructorsConstructorDescriptionExtendedSqlRowTypeNameSpec(org.apache.calcite.sql.parser.SqlParserPos pos, List<org.apache.calcite.sql.SqlIdentifier> fieldNames, List<org.apache.calcite.sql.SqlDataTypeSpec> fieldTypes, List<org.apache.calcite.sql.SqlCharStringLiteral> comments, boolean unparseAsStandard) Creates a ROW type specification. -
Method Summary
Modifier and TypeMethodDescriptionorg.apache.calcite.rel.type.RelDataTypederiveType(org.apache.calcite.sql.validate.SqlValidator sqlValidator) booleanequalsDeep(org.apache.calcite.sql.SqlTypeNameSpec node, org.apache.calcite.util.Litmus litmus) List<org.apache.calcite.sql.SqlCharStringLiteral>List<org.apache.calcite.sql.SqlIdentifier>List<org.apache.calcite.sql.SqlDataTypeSpec>voidunparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec) booleanMethods inherited from class org.apache.calcite.sql.SqlTypeNameSpec
getParserPos, getTypeName
-
Constructor Details
-
ExtendedSqlRowTypeNameSpec
public ExtendedSqlRowTypeNameSpec(org.apache.calcite.sql.parser.SqlParserPos pos, List<org.apache.calcite.sql.SqlIdentifier> fieldNames, List<org.apache.calcite.sql.SqlDataTypeSpec> fieldTypes, List<org.apache.calcite.sql.SqlCharStringLiteral> comments, boolean unparseAsStandard) Creates a ROW type specification.- Parameters:
pos- parser positionfieldNames- field namesfieldTypes- field data typescomments- field commentsunparseAsStandard- whether to unparse as standard SQL style
-
-
Method Details
-
getFieldNames
-
getFieldTypes
-
getComments
-
unparseAsStandard
public boolean unparseAsStandard() -
unparse
public void unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec) - Specified by:
unparsein classorg.apache.calcite.sql.SqlTypeNameSpec
-
equalsDeep
public boolean equalsDeep(org.apache.calcite.sql.SqlTypeNameSpec node, org.apache.calcite.util.Litmus litmus) - Specified by:
equalsDeepin classorg.apache.calcite.sql.SqlTypeNameSpec
-
deriveType
public org.apache.calcite.rel.type.RelDataType deriveType(org.apache.calcite.sql.validate.SqlValidator sqlValidator) - Specified by:
deriveTypein classorg.apache.calcite.sql.SqlTypeNameSpec
-