org.apache.flink.sql.parser.type

Class SqlMapTypeNameSpec

java.lang.Object

org.apache.calcite.sql.SqlTypeNameSpec

org.apache.flink.sql.parser.type.SqlMapTypeNameSpec

public class SqlMapTypeNameSpec
extends org.apache.calcite.sql.SqlTypeNameSpec

Parse SQL MAP type, i.e. MAP<INT NOT NULL, TIMESTAMP NULL>, the key and value can specify a suffix to indicate if the type is nullable, default is nullable.

MAP type does not belong to standard SQL.

Constructor Summary

Constructors

Constructor and Description
SqlMapTypeNameSpec(org.apache.calcite.sql.SqlDataTypeSpec keyType, org.apache.calcite.sql.SqlDataTypeSpec valType, org.apache.calcite.sql.parser.SqlParserPos pos) Creates a SqlMapTypeNameSpec.

Method Summary

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

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

SqlMapTypeNameSpec

public SqlMapTypeNameSpec(org.apache.calcite.sql.SqlDataTypeSpec keyType,
                          org.apache.calcite.sql.SqlDataTypeSpec valType,
                          org.apache.calcite.sql.parser.SqlParserPos pos)

Creates a SqlMapTypeNameSpec.

Parameters:

keyType - key type

valType - value type

pos - the parser position

Method Detail

getKeyType

public org.apache.calcite.sql.SqlDataTypeSpec getKeyType()

getValType

public org.apache.calcite.sql.SqlDataTypeSpec getValType()

deriveType

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

Specified by:

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

unparse

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

Specified by:

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

equalsDeep

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

Specified by:

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