public IQueryFactoryResult Process(IQueryContainer container)
{
var query = new StringBuilder();
if (container.AccessLayer.DbAccessType.HasFlag(DbAccessType.MsSql) ||
container.AccessLayer.DbAccessType.HasFlag(DbAccessType.MySql))
{
query.Append($"UPDATE [{Alias.GetAlias()}] SET ");
query
.Append(
ColumnAssignments
.Select(
columnAssignment =>
$"{Alias.GetAlias().EnsureAlias()}.{columnAssignment.Column.EnsureAlias()} = {columnAssignment.Value}")
.Aggregate((e, f) => e + ", " + f)
);
query.Append($" FROM {_target.GetAlias().EnsureAlias()} AS {Alias.GetAlias().EnsureAlias()}");
}
else
{
query.Append($"UPDATE {_target.GetAlias().EnsureAlias()} SET ");
query
.Append(
ColumnAssignments
.Select(
columnAssignment =>
$"{columnAssignment.Column.EnsureAlias()} = {columnAssignment.Value}")
.Aggregate((e, f) => e + ", " + f)
);
query.Append($"");
}
return(new QueryFactoryResult(query.ToString(),
ColumnAssignments.SelectMany(f => f.QueryParameters).ToArray()));
}
public IQueryFactoryResult Process(IQueryContainer container)
{
if (container.AccessLayer.DbAccessType.HasFlag(DbAccessType.SqLite))
{
return(new QueryFactoryResult($"DELETE FROM {_target.GetAlias().EnsureAlias()} "));
}
else
{
return(new QueryFactoryResult($"DELETE {Alias.GetAlias().EnsureAlias()} " +
$"FROM {_target.GetAlias().EnsureAlias()} " +
$"AS {Alias.GetAlias().EnsureAlias()}"));
}
}
public IQueryFactoryResult Process(IQueryContainer container)
{
var query = new StringBuilder();
switch (container.AccessLayer.DbAccessType)
{
case DbAccessType.MsSql:
case DbAccessType.MySql:
query.Append($"UPDATE [{Alias.GetAlias()}] SET ");
query
.Append(
ColumnAssignments
.Select(
columnAssignment =>
$"[{Alias.GetAlias().TrimAlias()}].[{columnAssignment.Column.TrimAlias()}] = {columnAssignment.Value}")
.Aggregate((e, f) => e + ", " + f)
);
query.Append($" FROM [{_target.GetAlias().TrimAlias()}] AS [{Alias.GetAlias().TrimAlias()}]");
break;
case DbAccessType.Experimental:
case DbAccessType.Unknown:
case DbAccessType.OleDb:
case DbAccessType.Obdc:
case DbAccessType.SqLite:
query.Append($"UPDATE [{_target.GetAlias().TrimAlias()}] SET ");
query
.Append(
ColumnAssignments
.Select(
columnAssignment =>
$"[{columnAssignment.Column.TrimAlias()}] = {columnAssignment.Value}")
.Aggregate((e, f) => e + ", " + f)
);
query.Append($"");
break;
default:
throw new ArgumentOutOfRangeException();
}
return(new QueryFactoryResult(query.ToString(),
ColumnAssignments.SelectMany(f => f.QueryParameters).ToArray()));
}
public IQueryFactoryResult Process(IQueryContainer container)
{
switch (container.AccessLayer.DbAccessType)
{
case DbAccessType.Experimental:
case DbAccessType.Unknown:
case DbAccessType.MsSql:
case DbAccessType.MySql:
case DbAccessType.OleDb:
case DbAccessType.Obdc:
return(new QueryFactoryResult($"DELETE [{Alias.GetAlias().TrimAlias()}] " +
$"FROM [{_target.GetAlias().TrimAlias()}] " +
$"AS [{Alias.GetAlias().TrimAlias()}]"));
case DbAccessType.SqLite:
return(new QueryFactoryResult($"DELETE FROM [{_target.GetAlias().TrimAlias()}] "));
default:
throw new ArgumentOutOfRangeException();
}
}
