org.apache.flink.table.planner.utils

Class OperationConverterUtils

java.lang.Object

org.apache.flink.table.planner.utils.OperationConverterUtils

public class OperationConverterUtils
extends Object

Utils methods for converting sql to operations.

Method Summary

Modifier and Type	Method and Description
static List<org.apache.flink.table.catalog.TableChange>	buildModifyColumnChange(org.apache.flink.table.catalog.Column oldColumn, org.apache.flink.table.catalog.Column newColumn, org.apache.flink.table.catalog.TableChange.ColumnPosition columnPosition)
static Map<String,String>	extractProperties(org.apache.calcite.sql.SqlNodeList propList)
static String	getComment(org.apache.flink.sql.parser.ddl.SqlTableColumn column)
static String	getTableComment(Optional<org.apache.calcite.sql.SqlCharStringLiteral> tableComment)

Methods inherited from class java.lang.Object

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

Method Detail

buildModifyColumnChange

public static List<org.apache.flink.table.catalog.TableChange> buildModifyColumnChange(org.apache.flink.table.catalog.Column oldColumn,
                                                                                       org.apache.flink.table.catalog.Column newColumn,
                                                                                       @Nullable
                                                                                       org.apache.flink.table.catalog.TableChange.ColumnPosition columnPosition)

getComment

@Nullable
public static String getComment(org.apache.flink.sql.parser.ddl.SqlTableColumn column)

getTableComment

@Nullable
public static String getTableComment(Optional<org.apache.calcite.sql.SqlCharStringLiteral> tableComment)

extractProperties

public static Map<String,String> extractProperties(org.apache.calcite.sql.SqlNodeList propList)