Beispiel #1
0
        /// <summary>
        /// Generate a select list of columns containing all properties of the entity classes
        /// </summary>
        public string SelectString(IList <OuterJoinableAssociation> associations)
        {
            if (associations.Count == 0)
            {
                return(string.Empty);
            }
            else
            {
                SqlStringBuilder buf = new SqlStringBuilder(associations.Count * 3);

                int entityAliasCount     = 0;
                int collectionAliasCount = 0;

                for (int i = 0; i < associations.Count; i++)
                {
                    OuterJoinableAssociation join = associations[i];
                    OuterJoinableAssociation next = (i == associations.Count - 1) ? null : associations[i + 1];

                    IJoinable joinable     = join.Joinable;
                    string    entitySuffix = (suffixes == null || entityAliasCount >= suffixes.Length) ? null : suffixes[entityAliasCount];

                    string collectionSuffix = (collectionSuffixes == null || collectionAliasCount >= collectionSuffixes.Length)
                                                                                                                                                        ? null
                                                                                                                                                        : collectionSuffixes[collectionAliasCount];

                    string selectFragment =
                        joinable.SelectFragment(next == null ? null : next.Joinable, next == null ? null : next.RHSAlias, join.RHSAlias,
                                                entitySuffix, collectionSuffix, join.JoinType == JoinType.LeftOuterJoin);

                    if (selectFragment.Trim().Length > 0)
                    {
                        buf.Add(StringHelper.CommaSpace)
                        .Add(selectFragment);
                    }
                    if (joinable.ConsumesEntityAlias())
                    {
                        entityAliasCount++;
                    }

                    if (joinable.ConsumesCollectionAlias() && join.JoinType == JoinType.LeftOuterJoin)
                    {
                        collectionAliasCount++;
                    }
                }

                return(buf.ToSqlString().ToString());
            }
        }
Beispiel #2
0
        /// <summary>
        /// Generate a select list of columns containing all properties of the entity classes
        /// </summary>
        public string SelectString(IList <OuterJoinableAssociation> associations)
        {
            if (associations.Count == 0)
            {
                return(string.Empty);
            }
            else
            {
                SqlStringBuilder buf = new SqlStringBuilder(associations.Count * 3);

                int entityAliasCount     = 0;
                int collectionAliasCount = 0;

                for (int i = 0; i < associations.Count; i++)
                {
                    OuterJoinableAssociation join = associations[i];
                    OuterJoinableAssociation next = (i == associations.Count - 1) ? null : associations[i + 1];

                    IJoinable joinable     = join.Joinable;
                    string    entitySuffix = (suffixes == null || entityAliasCount >= suffixes.Length) ? null : suffixes[entityAliasCount];

                    string collectionSuffix = (collectionSuffixes == null || collectionAliasCount >= collectionSuffixes.Length)
                                                                                                                                                        ? null
                                                                                                                                                        : collectionSuffixes[collectionAliasCount];

                    string selectFragment =
                        GetSelectFragment(join, entitySuffix, collectionSuffix, next);

                    if (!string.IsNullOrWhiteSpace(selectFragment))
                    {
                        buf.Add(StringHelper.CommaSpace)
                        .Add(selectFragment);
                    }
                    if (joinable.ConsumesEntityAlias() && join.SelectMode != SelectMode.JoinOnly)
                    {
                        entityAliasCount++;
                    }

                    if (joinable.ConsumesCollectionAlias() && join.ShouldFetchCollectionPersister())
                    {
                        collectionAliasCount++;
                    }
                }

                return(buf.ToSqlString().ToString());
            }
        }