public override bool AddRemark(EntityInfo entity)
{
return(true);
}
public virtual void ExistLogic(EntityInfo entityInfo)
{
if (entityInfo.Columns.HasValue())
{
//Check.Exception(entityInfo.Columns.Where(it => it.IsPrimarykey).Count() > 1, "Multiple primary keys do not support modifications");
var tableName = GetTableName(entityInfo);
var dbColumns = this.Context.DbMaintenance.GetColumnInfosByTableName(tableName);
ConvertColumns(dbColumns);
var entityColumns = entityInfo.Columns.Where(it => it.IsIgnore == false).ToList();
var dropColumns = dbColumns
.Where(dc => !entityColumns.Any(ec => dc.DbColumnName.Equals(ec.OldDbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.Where(dc => !entityColumns.Any(ec => dc.DbColumnName.Equals(ec.DbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.ToList();
var addColumns = entityColumns
.Where(ec => ec.OldDbColumnName.IsNullOrEmpty() || !dbColumns.Any(dc => dc.DbColumnName.Equals(ec.OldDbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.Where(ec => !dbColumns.Any(dc => ec.DbColumnName.Equals(dc.DbColumnName, StringComparison.CurrentCultureIgnoreCase))).ToList();
var alterColumns = entityColumns
.Where(ec => !dbColumns.Any(dc => dc.DbColumnName.Equals(ec.OldDbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.Where(ec =>
dbColumns.Any(dc => dc.DbColumnName.Equals(ec.DbColumnName) &&
((ec.Length != dc.Length && !UtilMethods.GetUnderType(ec.PropertyInfo).IsEnum() && UtilMethods.GetUnderType(ec.PropertyInfo).IsIn(UtilConstants.StringType)) ||
ec.IsNullable != dc.IsNullable ||
IsSamgeType(ec, dc)))).ToList();
var renameColumns = entityColumns
.Where(it => !string.IsNullOrEmpty(it.OldDbColumnName))
.Where(entityColumn => dbColumns.Any(dbColumn => entityColumn.OldDbColumnName.Equals(dbColumn.DbColumnName, StringComparison.CurrentCultureIgnoreCase)))
.ToList();
var isMultiplePrimaryKey = dbColumns.Where(it => it.IsPrimarykey).Count() > 1 || entityColumns.Where(it => it.IsPrimarykey).Count() > 1;
var isChange = false;
foreach (var item in addColumns)
{
this.Context.DbMaintenance.AddColumn(tableName, EntityColumnToDbColumn(entityInfo, tableName, item));
isChange = true;
}
foreach (var item in dropColumns)
{
this.Context.DbMaintenance.DropColumn(tableName, item.DbColumnName);
isChange = true;
}
foreach (var item in alterColumns)
{
this.Context.DbMaintenance.UpdateColumn(tableName, EntityColumnToDbColumn(entityInfo, tableName, item));
isChange = true;
}
foreach (var item in renameColumns)
{
this.Context.DbMaintenance.RenameColumn(tableName, item.OldDbColumnName, item.DbColumnName);
isChange = true;
}
foreach (var item in entityColumns)
{
var dbColumn = dbColumns.FirstOrDefault(dc => dc.DbColumnName.Equals(item.DbColumnName, StringComparison.CurrentCultureIgnoreCase));
if (dbColumn == null)
{
continue;
}
bool pkDiff, idEntityDiff;
KeyAction(item, dbColumn, out pkDiff, out idEntityDiff);
if (dbColumn != null && pkDiff && !idEntityDiff && isMultiplePrimaryKey == false)
{
var isAdd = item.IsPrimarykey;
if (isAdd)
{
this.Context.DbMaintenance.AddPrimaryKey(tableName, item.DbColumnName);
}
else
{
this.Context.DbMaintenance.DropConstraint(tableName, string.Format("PK_{0}_{1}", tableName, item.DbColumnName));
}
}
else if ((pkDiff || idEntityDiff) && isMultiplePrimaryKey == false)
{
ChangeKey(entityInfo, tableName, item);
}
}
if (isMultiplePrimaryKey)
{
var oldPkNames = dbColumns.Where(it => it.IsPrimarykey).Select(it => it.DbColumnName.ToLower()).OrderBy(it => it).ToList();
var newPkNames = entityColumns.Where(it => it.IsPrimarykey).Select(it => it.DbColumnName.ToLower()).OrderBy(it => it).ToList();
if (!Enumerable.SequenceEqual(oldPkNames, newPkNames))
{
Check.Exception(true, ErrorMessage.GetThrowMessage("Modification of multiple primary key tables is not supported. Delete tables while creating", "不支持修改多主键表，请删除表在创建"));
}
}
if (isChange && IsBackupTable)
{
this.Context.DbMaintenance.BackupTable(tableName, tableName + DateTime.Now.ToString("yyyyMMddHHmmss"), MaxBackupDataRows);
}
}
}
protected virtual string GetTableName(EntityInfo entityInfo)
{
return(this.Context.EntityMaintenance.GetTableName(entityInfo.EntityName));
}
private void SetColumns(EntityInfo result)
{
foreach (var property in result.Type.GetProperties())
{
EntityColumnInfo column = new EntityColumnInfo();
//var isVirtual = property.GetGetMethod().IsVirtual;
//if (isVirtual) continue;
var sugarColumn = property.GetCustomAttributes(typeof(SugarColumn), true)
.Where(it => it is SugarColumn)
.Select(it => (SugarColumn)it)
.FirstOrDefault();
column.DbTableName = result.DbTableName;
column.EntityName = result.EntityName;
column.PropertyName = property.Name;
column.PropertyInfo = property;
if (sugarColumn.IsNullOrEmpty())
{
column.DbColumnName = property.Name;
}
else
{
if (sugarColumn.IsIgnore == false)
{
column.DbColumnName = sugarColumn.ColumnName.IsNullOrEmpty() ? property.Name : sugarColumn.ColumnName;
column.IsPrimarykey = sugarColumn.IsPrimaryKey;
column.IsIdentity = sugarColumn.IsIdentity;
column.ColumnDescription = sugarColumn.ColumnDescription;
column.IsNullable = sugarColumn.IsNullable;
column.Length = sugarColumn.Length;
column.OldDbColumnName = sugarColumn.OldColumnName;
column.DataType = sugarColumn.ColumnDataType;
column.DecimalDigits = sugarColumn.DecimalDigits;
column.OracleSequenceName = sugarColumn.OracleSequenceName;
column.IsOnlyIgnoreInsert = sugarColumn.IsOnlyIgnoreInsert;
column.IsEnableUpdateVersionValidation = sugarColumn.IsEnableUpdateVersionValidation;
column.IsTranscoding = sugarColumn.IsTranscoding;
column.SerializeDateTimeFormat = sugarColumn.SerializeDateTimeFormat;
column.IsJson = sugarColumn.IsJson;
column.NoSerialize = sugarColumn.NoSerialize;
column.DefaultValue = sugarColumn.DefaultValue;
column.IndexGroupNameList = sugarColumn.IndexGroupNameList;
column.IsOnlyIgnoreUpdate = sugarColumn.IsOnlyIgnoreUpdate;
}
else
{
column.IsIgnore = true;
column.NoSerialize = sugarColumn.NoSerialize;
}
}
if (this.Context.MappingColumns.HasValue())
{
var golbalMappingInfo = this.Context.MappingColumns.FirstOrDefault(it => it.EntityName.Equals(result.EntityName, StringComparison.CurrentCultureIgnoreCase) && it.PropertyName == column.PropertyName);
if (golbalMappingInfo != null)
{
column.DbColumnName = golbalMappingInfo.DbColumnName;
}
}
if (this.Context.IgnoreColumns.HasValue())
{
var golbalMappingInfo = this.Context.IgnoreColumns.FirstOrDefault(it => it.EntityName.Equals(result.EntityName, StringComparison.CurrentCultureIgnoreCase) && it.PropertyName == column.PropertyName);
if (golbalMappingInfo != null)
{
column.IsIgnore = true;
}
}
if (this.Context.CurrentConnectionConfig.ConfigureExternalServices != null && this.Context.CurrentConnectionConfig.ConfigureExternalServices.EntityService != null)
{
this.Context.CurrentConnectionConfig.ConfigureExternalServices.EntityService(property, column);
}
result.Columns.Add(column);
}
}