本文整理汇总了C#中Term.SqlCondition方法的典型用法代码示例。如果您正苦于以下问题：C# Term.SqlCondition方法的具体用法？C# Term.SqlCondition怎么用？C# Term.SqlCondition使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Term的用法示例。
在下文中一共展示了Term.SqlCondition方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Query
public Photo [] Query (Term searchexpression, string extra_condition, DateRange range, RollSet importidrange, RatingRange ratingrange)
{
bool hide = (extra_condition == null);
// The SQL query that we want to construct is:
//
// SELECT photos.id
// photos.time
// photos.uri,
// photos.description,
// photos.roll_id,
// photos.default_version_id
// photos.rating
// FROM photos, photo_tags
// WHERE photos.time >= time1 AND photos.time <= time2
// AND photos.rating >= rat1 AND photos.rating <= rat2
// AND photos.id NOT IN (select photo_id FROM photo_tags WHERE tag_id = HIDDEN)
// AND photos.id IN (select photo_id FROM photo_tags where tag_id IN (tag1, tag2..)
// AND extra_condition_string
// GROUP BY photos.id
StringBuilder query_builder = new StringBuilder ();
ArrayList where_clauses = new ArrayList ();
query_builder.Append ("SELECT id, " +
"time, " +
"uri, " +
"description, " +
"roll_id, " +
"default_version_id, " +
"rating, " +
"md5_sum " +
"FROM photos ");
if (range != null) {
where_clauses.Add (String.Format ("time >= {0} AND time <= {1}",
DbUtils.UnixTimeFromDateTime (range.Start),
DbUtils.UnixTimeFromDateTime (range.End)));
}
if (ratingrange != null) {
where_clauses.Add (ratingrange.SqlClause ());
}
if (importidrange != null) {
where_clauses.Add (importidrange.SqlClause ());
}
if (hide && Core.Database.Tags.Hidden != null) {
where_clauses.Add (String.Format ("id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = {0})",
FSpot.Core.Database.Tags.Hidden.Id));
}
if (searchexpression != null) {
where_clauses.Add (searchexpression.SqlCondition ());
}
if (extra_condition != null && extra_condition.Trim () != String.Empty) {
where_clauses.Add (extra_condition);
}
if (where_clauses.Count > 0) {
query_builder.Append (" WHERE ");
query_builder.Append (String.Join (" AND ", ((String []) where_clauses.ToArray (typeof(String)))));
}
query_builder.Append (" ORDER BY time");
return Query (query_builder.ToString ());
}示例2: Query
public Photo [] Query (Term searchexpression, string extra_condition, DateRange range, RollSet importidrange)
{
bool hide = (extra_condition == null);
// The SQL query that we want to construct is:
//
// SELECT photos.id
// photos.time
// photos.directory_path,
// photos.name,
// photos.description,
// photos.roll_id,
// photos.default_version_id
// FROM photos, photo_tags
// WHERE photos.id = photo_tags.photo_id
// AND (photo_tags.tag_id = cat1tag1
// OR photo_tags.tag_id = cat1tag2 )
// AND (photo_tags.tag_id = cat2tag1
// OR photo_tags.tag_id = cat2tag2 )
// AND (photos.roll_id = roll_id1
// OR photos.roll_id = roll_id2 ...)
// GROUP BY photos.id
StringBuilder query_builder = new StringBuilder ();
query_builder.Append ("SELECT photos.id, " +
"photos.time, " +
"photos.directory_path, " +
"photos.name, " +
"photos.description, " +
"photos.roll_id, " +
"photos.default_version_id " +
"FROM photos ");
bool where_statement_added = false;
if (range != null) {
query_builder.Append (String.Format ("WHERE photos.time >= {0} AND photos.time <= {1} ",
DbUtils.UnixTimeFromDateTime (range.Start),
DbUtils.UnixTimeFromDateTime (range.End)));
where_statement_added = true;
}
if (importidrange != null) {
query_builder.Append (AddLastImportFilter (importidrange, where_statement_added));
where_statement_added = true;
}
if (hide && Core.Database.Tags.Hidden != null) {
query_builder.Append (String.Format ("{0} photos.id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = {1}) ",
where_statement_added ? " AND " : " WHERE ", Core.Database.Tags.Hidden.Id));
where_statement_added = true;
}
if (searchexpression != null) {
query_builder.Append (String.Format ("{0} {1}",
where_statement_added ? " AND " : " WHERE ",
searchexpression.SqlCondition()));
where_statement_added = true;
}
if (extra_condition != null && extra_condition.Length != 0) {
query_builder.Append (String.Format ("{0} {1} ",
where_statement_added ? " AND " : " WHERE ",
extra_condition));
where_statement_added = true;
}
query_builder.Append ("ORDER BY photos.time");
Console.WriteLine("Query: {0}", query_builder.ToString());
return Query (query_builder.ToString ());
}