org.apache.calcite.sql.ddl

Class SqlKeyConstraint

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.calcite.sql.ddl.SqlKeyConstraint

All Implemented Interfaces:

Cloneable

public class SqlKeyConstraint
extends SqlCall

Parse tree for UNIQUE, PRIMARY KEY constraints.

And FOREIGN KEY, when we support it.

Field Summary

Fields

Modifier and Type	Field and Description
private SqlNodeList	columnList
private SqlIdentifier	name
protected static SqlSpecialOperator	PRIMARY
private static SqlSpecialOperator	UNIQUE

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

EMPTY_ARRAY, pos

Constructor Summary

Constructors

Constructor and Description
SqlKeyConstraint(SqlParserPos pos, SqlIdentifier name, SqlNodeList columnList) Creates a SqlKeyConstraint.

Method Summary

Modifier and Type	Method and Description
List<SqlNode>	getOperandList()
SqlOperator	getOperator()
static SqlKeyConstraint	primary(SqlParserPos pos, SqlIdentifier name, SqlNodeList columnList) Creates a PRIMARY KEY constraint.
static SqlKeyConstraint	unique(SqlParserPos pos, SqlIdentifier name, SqlNodeList columnList) Creates a UNIQUE constraint.
void	unparse(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, toSqlString, toSqlString, toString, validateExpr

Methods inherited from class java.lang.Object

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

Field Detail

UNIQUE

private static final SqlSpecialOperator UNIQUE

PRIMARY

protected static final SqlSpecialOperator PRIMARY

name

private final SqlIdentifier name

columnList

private final SqlNodeList columnList

Constructor Detail

SqlKeyConstraint

SqlKeyConstraint(SqlParserPos pos,
                 SqlIdentifier name,
                 SqlNodeList columnList)

Creates a SqlKeyConstraint.

Method Detail

unique

public static SqlKeyConstraint unique(SqlParserPos pos,
                                      SqlIdentifier name,
                                      SqlNodeList columnList)

Creates a UNIQUE constraint.

primary

public static SqlKeyConstraint primary(SqlParserPos pos,
                                       SqlIdentifier name,
                                       SqlNodeList columnList)

Creates a PRIMARY KEY constraint.

getOperator

public SqlOperator getOperator()

Specified by:

getOperator in class SqlCall

getOperandList

public List<SqlNode> getOperandList()

Specified by:

getOperandList in class SqlCall

unparse

public void unparse(SqlWriter writer,
                    int leftPrec,
                    int rightPrec)

Overrides:

unparse in class SqlCall