internal override void CreateSetUpdatedUpdateFields(DmlfUpdate cmd, string targetEntityAlias, TargetEntitySqlModel targetEntityModel)
{
cmd.Columns.Add(new DmlfUpdateField
{
TargetColumn = ValidToColumn,
Expr = SqlScriptCompiler.ImportDateTimeExpression
});
}
internal override void CreateReliveUpdateFields(DmlfUpdate cmd, string targetEntityAlias, TargetEntitySqlModel targetEntityModel)
{
if (!String.IsNullOrEmpty(DeletedDateColumn))
{
cmd.Columns.Add(new DmlfUpdateField
{
TargetColumn = DeletedDateColumn,
Expr = new DmlfLiteralExpression { Value = null }
});
}
if (!String.IsNullOrEmpty(IsDeletedColumn))
{
cmd.Columns.Add(new DmlfUpdateField
{
TargetColumn = IsDeletedColumn,
Expr = new DmlfLiteralExpression { Value = 0 }
});
}
}
internal virtual void CreateSetUpdatedUpdateFields(DmlfUpdate cmd, string targetEntityAlias, TargetEntitySqlModel targetEntityModel)
{
}
internal override void CreateSetDeletedUpdateFields(DmlfUpdate cmd, string targetEntityAlias, TargetEntitySqlModel targetEntityModel)
{
if (!String.IsNullOrEmpty(DeletedDateColumn))
{
cmd.Columns.Add(new DmlfUpdateField
{
TargetColumn = DeletedDateColumn,
Expr = SqlScriptCompiler.ImportDateTimeExpression
});
}
if (!String.IsNullOrEmpty(IsDeletedColumn))
{
cmd.Columns.Add(new DmlfUpdateField
{
TargetColumn = IsDeletedColumn,
Expr = new DmlfLiteralExpression { Value = 1 }
});
}
}
private DmlfUpdate CompileUpdateCore(Func<TargetColumnSqlModelBase, bool> compareColumn, Func<TargetColumnSqlModelBase, bool> updateColumn, Action<DmlfUpdate> createUpdateSpecialColumns, CompareColumnContext compareContext, UpdateColumnContext updateContext)
{
var cmd = new DmlfUpdate();
cmd.UpdateTarget = new DmlfSource { Alias = "target" };
cmd.From.Add(SourceJoinModel.SourceToRefsJoin);
cmd.From.Add(new DmlfFromItem
{
Source = new DmlfSource
{
Alias = "target",
TableOrView = TargetTableSqlName,
LinkedInfo = TargetLinkedInfo,
}
});
CreateKeyCondition(cmd, "target");
CreateLifetimeConditions(cmd, "target");
CreateFilterConditions(cmd);
createUpdateSpecialColumns(cmd);
foreach (var column in TargetColumns)
{
bool? update = _dbsh.LifetimeHandler.UpdateColumn(column.Name, updateContext);
if (update == null) update = updateColumn(column);
if (!update.Value) continue;
cmd.Columns.Add(new DmlfUpdateField
{
TargetColumn = column.Name,
Expr = column.CreateSourceExpression(SourceJoinModel, false),
});
}
var orCondition = new DmlfOrCondition();
foreach (var column in TargetColumns)
{
bool? compare = _dbsh.LifetimeHandler.CompareColumn(column.Name, compareContext);
if (compare == null) compare = compareColumn(column);
if (!compare.Value) continue;
if (column.CannotBeCompared) continue;
orCondition.Conditions.Add(new DmlfNotEqualWithNullTestCondition
{
LeftExpr = column.CreateCompareExpression(column.CreateSourceExpression(SourceJoinModel, false)),
RightExpr = column.CreateCompareExpression(column.CreateTargetExpression("target")),
CollateSpec = column.UseCollate(SourceJoinModel) ? "DATABASE_DEFAULT" : null,
});
}
if (orCondition.Conditions.Any()) cmd.AddAndCondition(orCondition);
if (!cmd.Columns.Any()) return null;
return cmd;
}
private DmlfUpdate CompileMarkDeleted()
{
var res = new DmlfUpdate();
res.UpdateTarget = new DmlfSource { Alias = "target" };
res.SingleFrom.Source = new DmlfSource
{
Alias = "target",
TableOrView = TargetTableSqlName,
LinkedInfo = TargetLinkedInfo,
};
var existSelect = new DmlfSelect();
res.AddAndCondition(new DmlfNotExistCondition
{
Select = existSelect,
});
existSelect.SelectAll = true;
existSelect.From.Add(SourceJoinModel.SourceToRefsJoin);
CreateKeyCondition(existSelect, "target");
CreateRestrictionCondition(res, "target");
CreateLifetimeConditions(res, "target");
CreateFilterConditions(existSelect);
_dbsh.LifetimeHandler.CreateSetDeletedUpdateFields(res, "target", this);
return res;
}
private DmlfUpdate CompileMarkRelived()
{
var res = new DmlfUpdate();
res.UpdateTarget = new DmlfSource { Alias = "target" };
res.From.Add(SourceJoinModel.SourceToRefsJoin);
res.From.Add(new DmlfFromItem
{
Source = new DmlfSource
{
Alias = "target",
TableOrView = TargetTableSqlName,
LinkedInfo = TargetLinkedInfo,
}
});
CreateKeyCondition(res, "target");
CreateFilterConditions(res);
_dbsh.LifetimeHandler.CreateReliveConditions(res, "target", this);
_dbsh.LifetimeHandler.CreateReliveUpdateFields(res, "target", this);
return res;
}
public void GetCommands(DmlfBatch res, DatabaseInfo db, ChangeSetModel model, IDialectDataAdapter dda, ICdlValueConvertor converter)
{
var table = db.FindTable(TargetTable);
if (table == null) return;
if ((UpdateReferences || model.UpdateReferences) && IsUpdatingPk(db))
{
var refs = GenerateCascadeUpdates(db);
foreach (var item in refs)
{
item.GetCommands(res, db, model, dda, converter);
}
}
if (!IsDuplicatingIdentity(db, model))
{
var cmd = new DmlfUpdate();
cmd.UpdateTarget = new DmlfSource
{
TableOrView = TargetTable,
LinkedInfo = LinkedInfo,
Alias = "basetbl",
};
cmd.From.Add(new DmlfFromItem
{
Source = cmd.UpdateTarget,
});
if (GetConditions(cmd, this, Conditions, db))
{
GetValues(cmd.Columns, Values, table, dda, converter);
res.Commands.Add(cmd);
}
}
}
