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<TableChange>	buildModifyColumnChange(Column oldColumn, Column newColumn, TableChange.ColumnPosition columnPosition)
static ResolvedSchema	changeColumn(ResolvedSchema oldSchema, String oldName, Column newTableColumn, boolean first, String after)
static Map<String,String>	extractProperties(org.apache.calcite.sql.SqlNodeList propList)
static String	getComment(SqlTableColumn column)

Methods inherited from class java.lang.Object

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

Method Detail

buildModifyColumnChange

public static List<TableChange> buildModifyColumnChange(Column oldColumn,
                                                        Column newColumn,
                                                        @Nullable
                                                        TableChange.ColumnPosition columnPosition)

changeColumn

public static ResolvedSchema changeColumn(ResolvedSchema oldSchema,
                                          String oldName,
                                          Column newTableColumn,
                                          boolean first,
                                          String after)

getComment

@Nullable
public static String getComment(SqlTableColumn column)

extractProperties

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