org.apache.flink.sql.parser.ddl

Class SqlDropFunction

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.calcite.sql.SqlDdl

org.apache.calcite.sql.SqlDrop

org.apache.flink.sql.parser.ddl.SqlDropFunction

All Implemented Interfaces:

Cloneable

public class SqlDropFunction
extends org.apache.calcite.sql.SqlDrop

DROP FUNCTION DDL sql call.

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.calcite.sql.SqlSpecialOperator	OPERATOR

Fields inherited from class org.apache.calcite.sql.SqlDrop

ifExists

Fields inherited from class org.apache.calcite.sql.SqlDdl

DDL_OPERATOR

Fields inherited from class org.apache.calcite.sql.SqlNode

EMPTY_ARRAY, pos

Constructor Summary

Constructors

Constructor and Description
SqlDropFunction(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier functionIdentifier, boolean ifExists, boolean isTemporary, boolean isSystemFunction)

Method Summary

Modifier and Type	Method and Description
String[]	getFunctionIdentifier()
boolean	getIfExists()
List<org.apache.calcite.sql.SqlNode>	getOperandList()
boolean	isSystemFunction()
boolean	isTemporary()
void	unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)

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

getOperator

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

accept, clone, equalsDeep, findValidOptions, getCallSignature, getFunctionQuantifier, getKind, getMonotonicity, isCountStar, isExpanded, operand, operandCount, setOperand, validate

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

clone, clone, cloneArray, equalDeep, equalDeep, equalsDeep, getParserPosition, isA, toSqlString, toSqlString, toSqlString, toString, validateExpr

Methods inherited from class java.lang.Object

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

Field Detail

OPERATOR

public static final org.apache.calcite.sql.SqlSpecialOperator OPERATOR

Constructor Detail

SqlDropFunction

public SqlDropFunction(org.apache.calcite.sql.parser.SqlParserPos pos,
                       org.apache.calcite.sql.SqlIdentifier functionIdentifier,
                       boolean ifExists,
                       boolean isTemporary,
                       boolean isSystemFunction)

Method Detail

getOperandList

@Nonnull
public List<org.apache.calcite.sql.SqlNode> getOperandList()

Specified by:

getOperandList in class org.apache.calcite.sql.SqlCall

unparse

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

Overrides:

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

getFunctionIdentifier

public String[] getFunctionIdentifier()

isTemporary

public boolean isTemporary()

isSystemFunction

public boolean isSystemFunction()

getIfExists

public boolean getIfExists()