public override string ToSql(ExpressionSqlBuilder builder)
{
string s = ColumnExpression.ToSql(builder);
if (!string.IsNullOrEmpty(InternalDbAlias)) s = s + " AS " + builder.EncodeTable(InternalDbAlias);
else
if (!string.IsNullOrEmpty(Alias)) s = s + " AS " + builder.EncodeTable(Alias);
return s;
}
public override string ToSql(ExpressionSqlBuilder builder)
{
string s = "";
if (!string.IsNullOrEmpty(PhysicalSchema))
{
s += builder.EncodeTable(PhysicalSchema) + ".";
}
s += builder.EncodeTable(PhysicalTableName);
return(s);
}
public override string ToSql(ExpressionSqlBuilder builder)
{
StringBuilder sb = new StringBuilder();
sb.Append("update ");
if (builder.DbType == DriverType.PostgreSQL)
{
sb.Append(TableClause.ToSql(builder));
writeSET(sb, builder);
}
if (builder.DbType == DriverType.SqlServer)
{
if (string.IsNullOrEmpty(TableClause.Alias))
{
sb.Append(TableClause.ToSql(builder));
writeSET(sb, builder);
}
else
{
sb.Append(builder.EncodeTable(TableClause.Alias) + " ");
writeSET(sb, builder);
sb.Append(" from ").Append(TableClause.ToSql(builder)).Append(" ");
}
}
AddReturningToSql1(builder, sb);
if (Where != null)
{
sb.Append(" where ").Append(Where.ToSql(builder));
}
AddReturningToSql2(builder, sb);
return(sb.ToString());
}
public override string ToSql(ExpressionSqlBuilder builder)
{
string s = "";
if (Table is ISelect)
{
s = "(" + Table.ToSql(builder) + ")";
}
else
{
s = Table.ToSql(builder);
}
if (!string.IsNullOrEmpty(Alias))
{
s += " as " + builder.EncodeTable(Alias) + " ";
}
return(s);
}
public override string ToSql(ExpressionSqlBuilder builder)
{
StringBuilder sb = new StringBuilder();
sb.Append("delete ");
if (builder.DbType == DriverType.SqlServer)
{
if (!string.IsNullOrEmpty(TableClause.Alias))
{
sb.Append(builder.EncodeTable(TableClause.Alias)).Append(" ");
}
}
sb.Append("from ");
sb.Append(TableClause.ToSql(builder)).Append(" ");
AddReturningToSql1(builder, sb);
if (Where != null)
{
sb.Append(" where ").Append(Where.ToSql(builder));
}
AddReturningToSql2(builder, sb);
return(sb.ToString());
}
