// Copyright 2017 PingCAP, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // See the License for the specific language governing permissions and // limitations under the License. package util import ( "fmt" "github.com/pingcap/parser/model" ) // Event is an event that a ddl operation happened. type Event struct { Tp model.ActionType TableInfo *model.TableInfo PartInfo *model.PartitionInfo ColumnInfo *model.ColumnInfo IndexInfo *model.IndexInfo } // String implements fmt.Stringer interface. func (e *Event) String() string { ret := fmt.Sprintf("(Event Type: %s", e.Tp) if e.TableInfo != nil { ret += fmt.Sprintf(", Table ID: %d, Table Name %s", e.TableInfo.ID, e.TableInfo.Name) } if e.PartInfo != nil { ids := make([]int64, 0, len(e.PartInfo.Definitions)) for _, def := range e.PartInfo.Definitions { ids = append(ids, def.ID) } ret += fmt.Sprintf(", Partition IDs: %v", ids) } if e.ColumnInfo != nil { ret += fmt.Sprintf(", Column ID: %d, Column Name %s", e.ColumnInfo.ID, e.ColumnInfo.Name) } if e.IndexInfo != nil { ret += fmt.Sprintf(", Index ID: %d, Index Name %s", e.IndexInfo.ID, e.IndexInfo.Name) } return ret }