Package org.apache.flink.sql.parser.dql

Class SqlShowFunctions

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.flink.sql.parser.dql.SqlShowFunctions

All Implemented Interfaces:

Cloneable

public class SqlShowFunctions
extends org.apache.calcite.sql.SqlCall

Show Functions sql call. The full syntax for show functions is as followings:

 SHOW [USER] FUNCTIONS [ ( FROM | IN ) [catalog_name.]database_name ] [ [NOT] (LIKE | ILIKE)
 <sql_like_pattern> ] statement
 

Field Summary

Fields

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

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

EMPTY_ARRAY, pos

Constructor Summary

Constructors

Constructor	Description
SqlShowFunctions(org.apache.calcite.sql.parser.SqlParserPos pos, boolean requireUser, String preposition, org.apache.calcite.sql.SqlIdentifier databaseName, String likeType, org.apache.calcite.sql.SqlCharStringLiteral likeLiteral, boolean notLike)

Method Summary

Modifier and Type	Method	Description
String[]	fullDatabaseName()
String	getLikeSqlPattern()
String	getLikeType()
List<org.apache.calcite.sql.SqlNode>	getOperandList()
org.apache.calcite.sql.SqlOperator	getOperator()
String	getPreposition()
boolean	isNotLike()
boolean	isWithLike()
boolean	requireUser()
void	unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)

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, toList, toList, toSqlString, toSqlString, toSqlString, toString, unparseWithParentheses, 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

SqlShowFunctions

public SqlShowFunctions(org.apache.calcite.sql.parser.SqlParserPos pos,
                        boolean requireUser,
                        String preposition,
                        org.apache.calcite.sql.SqlIdentifier databaseName,
                        String likeType,
                        org.apache.calcite.sql.SqlCharStringLiteral likeLiteral,
                        boolean notLike)

Method Detail

getOperator

public org.apache.calcite.sql.SqlOperator getOperator()

Specified by:

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

getOperandList

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

requireUser

public boolean requireUser()

getPreposition

public String getPreposition()

fullDatabaseName

public String[] fullDatabaseName()

isWithLike

public boolean isWithLike()

getLikeType

public String getLikeType()

getLikeSqlPattern

public String getLikeSqlPattern()

isNotLike

public boolean isNotLike()