Package org.apache.flink.sql.parser.ddl

Class SqlTableColumn.SqlMetadataColumn

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

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

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

All Implemented Interfaces:

Cloneable

Enclosing class:

SqlTableColumn

public static class SqlTableColumn.SqlMetadataColumn
extends SqlTableColumn

A column derived from metadata.

Nested Class Summary

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

SqlTableColumn.SqlComputedColumn, SqlTableColumn.SqlMetadataColumn, SqlTableColumn.SqlRegularColumn

Field Summary

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

comment, name

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

EMPTY_ARRAY, pos

Constructor Summary

Constructors

Constructor	Description
SqlMetadataColumn(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier name, org.apache.calcite.sql.SqlNode comment, org.apache.calcite.sql.SqlDataTypeSpec type, org.apache.calcite.sql.SqlNode metadataAlias, boolean isVirtual)

Method Summary

Modifier and Type	Method	Description
Optional<String>	getMetadataAlias()
List<org.apache.calcite.sql.SqlNode>	getOperandList()
org.apache.calcite.sql.SqlDataTypeSpec	getType()
boolean	isVirtual()
protected void	unparseColumn(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)

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

getComment, getName, getOperator, unparse

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

SqlMetadataColumn

public SqlMetadataColumn(org.apache.calcite.sql.parser.SqlParserPos pos,
                         org.apache.calcite.sql.SqlIdentifier name,
                         @Nullable
                         org.apache.calcite.sql.SqlNode comment,
                         org.apache.calcite.sql.SqlDataTypeSpec type,
                         @Nullable
                         org.apache.calcite.sql.SqlNode metadataAlias,
                         boolean isVirtual)

Method Detail

getType

public org.apache.calcite.sql.SqlDataTypeSpec getType()

getMetadataAlias

public Optional<String> getMetadataAlias()

isVirtual

public boolean isVirtual()

unparseColumn

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

Specified by:

unparseColumn in class SqlTableColumn

getOperandList

@Nonnull
public List<org.apache.calcite.sql.SqlNode> getOperandList()

Specified by:

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