public static SqlBuilder Update <T>(T instance, string TableName = null, string Schema = null, string[] Properties = null, string[] ExcludeProperties = null, bool OutputPrimaryKey = false)
{
UpdateTable table = SqlBuilder.Update()
.Table(TableName ?? instance.GetType().Name, Schema);
Metadata.MetadataTable mt = SqlBuilder.DefaultMetadata.FindTable(TableName ?? instance.GetType().Name);
if (Properties == null)
{
Properties = instance.GetType().GetProperties().Select(x => x.Name).ToArray();
}
if (ExcludeProperties != null)
{
Properties = Properties.Except(ExcludeProperties).ToArray();
}
foreach (Metadata.MetadataColumn col in mt.Columns.Values)
{
if (Properties.Contains(col.Name) && !col.IsIdentity && !col.IsReadOnly)
{
PropertyInfo prop = instance.GetType().GetProperty(col.Name);
if (prop.CanRead && prop.CanWrite)
{
table.Set(col.Name, prop.GetValue(instance), col.SqlDataType, prop.PropertyType);
}
}
}
List <object> pk = new List <object>();
mt.PrimaryKey.Columns.ForEach((col) =>
{
PropertyInfo prop = instance.GetType().GetProperty(col.Name);
pk.Add(prop.GetValue(instance));
});
table.WithMetadata().WherePrimaryKey(pk.ToArray());
if (OutputPrimaryKey)
{
return(table.Output().PrimaryKey().Builder());
}
else
{
return(table.Builder());
}
}
public static SqlBuilder Update(this RowData row, bool OnlyChanges = false, bool OutputPrimaryKey = false, string[] OutputFields = null)
{
if (OnlyChanges && !row.HasChanges)
{
return(null);
}
SqlBuilder builder = SqlBuilder.Update();
string TableName = row.Table;
string Schema = null;
if (TableName.IndexOf('.') > 0)
{
Schema = TableName.Substring(0, TableName.IndexOf('.'));
TableName = TableName.Substring(TableName.IndexOf('.') + 1);
}
UpdateTable up = builder.Table(TableName, Schema);
Metadata.MetadataTable mt = row.Metadata;
if (OnlyChanges)
{
foreach (string key in row.ChangedValues.Keys)
{
object o;
MetadataColumn c;
if (row.ChangedValues.TryGetValue(key, out o) && mt.Columns.TryGetValue(key, out c) && !c.IsReadOnly)
{
SqlStatementExtensions.Set(up, key, o, c.SqlDataType, c.DataType, c.Length, c.Precision, c.Scale);
}
else
{
throw new InvalidOperationException("Cannot get the changed column " + key);
}
}
}
else
{
foreach (string key in row.Columns)
{
MetadataColumn c;
if (mt.Columns.TryGetValue(key, out c) && !c.IsReadOnly)
{
SqlStatementExtensions.Set(up, key, row.Column(key), c.SqlDataType, c.DataType, c.Length, c.Precision, c.Scale);
}
}
}
if (OutputPrimaryKey)
{
TableParameterField tpf = up.Output();
foreach (MetadataColumn key in mt.PrimaryKey.Columns)
{
SqlStatementExtensions.Column(tpf, key.Name, key.SqlDataType, key.Length, key.Precision, key.Scale);
}
}
if (OutputFields != null && OutputFields.Length > 0)
{
TableParameterField tpf = up.Output();
foreach (string s in OutputFields)
{
MetadataColumn c = mt[s];
SqlStatementExtensions.Column(tpf, s, c.SqlDataType, c.Length, c.Precision, c.Scale);
}
}
builder.WhereConditions = row.PrimaryKey(builder);
return(builder);
}
