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

Class SqlShowDatabases

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.flink.sql.parser.dql.SqlShowDatabases

All Implemented Interfaces:

Cloneable

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

SHOW Databases sql call. The full syntax for show databases is as followings:

 SHOW DATABASES [ ( FROM | IN ) catalog_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
SqlShowDatabases(org.apache.calcite.sql.parser.SqlParserPos pos, String preposition, org.apache.calcite.sql.SqlIdentifier catalogName, String likeType, org.apache.calcite.sql.SqlCharStringLiteral likeLiteral, boolean notLike)

Method Summary

Modifier and Type	Method	Description
String[]	getCatalog()
String	getLikeSqlPattern()
String	getLikeType()
List<org.apache.calcite.sql.SqlNode>	getOperandList()
org.apache.calcite.sql.SqlOperator	getOperator()
String	getPreposition()
boolean	isNotLike()
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

SqlShowDatabases

public SqlShowDatabases(org.apache.calcite.sql.parser.SqlParserPos pos,
                        String preposition,
                        org.apache.calcite.sql.SqlIdentifier catalogName,
                        String likeType,
                        org.apache.calcite.sql.SqlCharStringLiteral likeLiteral,
                        boolean notLike)
                 throws ParseException

Throws:

ParseException

Method Detail

getCatalog

public String[] getCatalog()

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

getLikeSqlPattern

public String getLikeSqlPattern()

isNotLike

public boolean isNotLike()

getPreposition

public String getPreposition()

getLikeType

public String getLikeType()