org.apache.flink.sql.parser.ddl

Class SqlTableColumn

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.flink.sql.parser.ddl.SqlTableColumn

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

SqlTableColumn.SqlComputedColumn, SqlTableColumn.SqlMetadataColumn, SqlTableColumn.SqlRegularColumn

public abstract class SqlTableColumn
extends org.apache.calcite.sql.SqlCall

Table column of a CREATE TABLE DDL.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SqlTableColumn.SqlComputedColumn A column derived from an expression.
static class	SqlTableColumn.SqlMetadataColumn A column derived from metadata.
static class	SqlTableColumn.SqlRegularColumn A regular, physical column.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.calcite.sql.SqlNode	comment
protected org.apache.calcite.sql.SqlIdentifier	name

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

EMPTY_ARRAY, pos

Method Summary

Modifier and Type	Method and Description
Optional<org.apache.calcite.sql.SqlNode>	getComment()
org.apache.calcite.sql.SqlIdentifier	getName()
org.apache.calcite.sql.SqlOperator	getOperator()
void	unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)
protected abstract void	unparseColumn(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, getOperandList, 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

name

protected final org.apache.calcite.sql.SqlIdentifier name

comment

protected final org.apache.calcite.sql.SqlNode comment

Method Detail

unparseColumn

protected abstract void unparseColumn(org.apache.calcite.sql.SqlWriter writer,
                                      int leftPrec,
                                      int rightPrec)

getOperator

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

Specified by:

getOperator 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

getName

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

getComment

public Optional<org.apache.calcite.sql.SqlNode> getComment()