org.apache.flink.sql.parser.ddl

Class SqlAlterTableDropConstraint

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.flink.sql.parser.ddl.SqlAlterTable

org.apache.flink.sql.parser.ddl.SqlAlterTableDropConstraint

All Implemented Interfaces:

Cloneable

public class SqlAlterTableDropConstraint
extends SqlAlterTable

ALTER TABLE [IF EXISTS] [catalog_name.][db_name.]table_name DROP CONSTRAINT constraint_name.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.sql.parser.ddl.SqlAlterTable

SqlAlterTable.AlterTableContext

Field Summary

Fields inherited from class org.apache.flink.sql.parser.ddl.SqlAlterTable

ifTableExists, OPERATOR, partitionSpec, tableIdentifier

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

EMPTY_ARRAY, pos

Constructor Summary

Constructors

Constructor and Description
SqlAlterTableDropConstraint(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier tableName, org.apache.calcite.sql.SqlIdentifier constraintName, boolean ifTableExists) Creates an alter table drop constraint node.

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.sql.SqlIdentifier	getConstraintName()
List<org.apache.calcite.sql.SqlNode>	getOperandList()
void	unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)

Methods inherited from class org.apache.flink.sql.parser.ddl.SqlAlterTable

fullTableName, getOperator, getPartitionKVs, getPartitionSpec, getTableName, ifTableExists

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

Constructor Detail

SqlAlterTableDropConstraint

public SqlAlterTableDropConstraint(org.apache.calcite.sql.parser.SqlParserPos pos,
                                   org.apache.calcite.sql.SqlIdentifier tableName,
                                   org.apache.calcite.sql.SqlIdentifier constraintName,
                                   boolean ifTableExists)

Creates an alter table drop constraint node.

Parameters:

pos - Parser position

tableName - Table name

constraintName - Constraint name

ifTableExists - Whether IF EXISTS is specified

Method Detail

getConstraintName

public org.apache.calcite.sql.SqlIdentifier getConstraintName()

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 SqlAlterTable