private void InitStatementString(SqlString projection,SqlString condition, string orderBy,string groupBy,LockMode lockMode) { int joins = CountEntityPersisters(associations); Suffixes = BasicLoader.GenerateSuffixes(joins + 1); JoinFragment ojf = MergeOuterJoins(associations); SqlString selectClause = projection ?? new SqlString(persister.SelectFragment(alias, Suffixes[joins]) + SelectString(associations)); SqlSelectBuilder select = new SqlSelectBuilder(Factory) .SetLockMode(lockMode) .SetSelectClause(selectClause) .SetFromClause(Dialect.AppendLockHint(lockMode, persister.FromTableFragment(alias)) +persister.FromJoinFragment(alias, true, true)) .SetWhereClause(condition) .SetOuterJoins(ojf.ToFromFragmentString,ojf.ToWhereFragmentString + WhereFragment) .SetOrderByClause(OrderBy(associations, orderBy)) .SetGroupByClause(groupBy); if (Factory.Settings.IsCommentsEnabled) select.SetComment(Comment); SqlString = select.ToSqlString(); }
private void InitStatementString(IOuterJoinLoadable elementPersister, string alias, int batchSize, SqlString subquery) { int joins = CountEntityPersisters(associations); Suffixes = BasicLoader.GenerateSuffixes(joins + 1); int collectionJoins = CountCollectionPersisters(associations) + 1; CollectionSuffixes = BasicLoader.GenerateSuffixes(joins + 1, collectionJoins); SqlStringBuilder whereString = WhereString(alias, oneToManyPersister.KeyColumnNames, subquery, batchSize); string filter = oneToManyPersister.FilterFragment(alias, EnabledFilters); whereString.Insert(0, StringHelper.MoveAndToBeginning(filter)); JoinFragment ojf = MergeOuterJoins(associations); SqlSelectBuilder select = new SqlSelectBuilder(Factory).SetSelectClause( oneToManyPersister.SelectFragment(null, null, alias, Suffixes[joins], CollectionSuffixes[0], true) + SelectString(associations)).SetFromClause(elementPersister.FromTableFragment(alias) + elementPersister.FromJoinFragment(alias, true, true)).SetWhereClause( whereString.ToSqlString()).SetOuterJoins(ojf.ToFromFragmentString, ojf.ToWhereFragmentString + elementPersister.WhereJoinFragment(alias, true, true)); select.SetOrderByClause(OrderBy(associations, oneToManyPersister.GetSQLOrderByString(alias))); if (Factory.Settings.IsCommentsEnabled) { select.SetComment("load one-to-many " + oneToManyPersister.Role); } SqlString = select.ToSqlString(); }
public void SelectStringSqlTest() { Configuration cfg = new Configuration(); ISessionFactory factory = cfg.BuildSessionFactory(); ISessionFactoryImplementor factoryImpl = (ISessionFactoryImplementor) factory; SqlSelectBuilder select = new SqlSelectBuilder(factoryImpl); select.SetSelectClause("column1, column2"); select.SetFromClause("select_test", "select_test_alias"); select.SetOuterJoins( new SqlString(" LEFT OUTER JOIN before ON select_test_alias.column1 = before.column1"), new SqlString(" after.some_field = after.another_field ")); select.SetOrderByClause(new SqlString("column1 DESC")); select.SetWhereClause("select_test_alias", new string[] {"identity_column"}, NHibernateUtil.Int64); SqlString sqlString = select.ToSqlString(); string expectedSql = new StringBuilder().Append("SELECT ") .Append("column1, column2 ") .Append("FROM select_test select_test_alias ") .Append("LEFT OUTER JOIN before ON select_test_alias.column1 = before.column1 ") .Append("WHERE ") .Append("after.some_field = after.another_field") .Append(" AND ") .Append("select_test_alias.identity_column = ? ") .Append("ORDER BY column1 DESC") .ToString(); Assert.AreEqual(expectedSql, sqlString.ToString(), "SQL String"); Assert.AreEqual(1, sqlString.GetParameterCount(), "One parameter"); }
private void InitStatementString(string alias, int batchSize, SqlString subquery) { int joins = CountEntityPersisters(associations); int collectionJoins = CountCollectionPersisters(associations) + 1; Suffixes = BasicLoader.GenerateSuffixes(joins); CollectionSuffixes = BasicLoader.GenerateSuffixes(joins, collectionJoins); SqlStringBuilder whereString = WhereString(alias, collectionPersister.KeyColumnNames, subquery, batchSize); string manyToManyOrderBy = string.Empty; string filter = collectionPersister.FilterFragment(alias, EnabledFilters); if (collectionPersister.IsManyToMany) { // from the collection of associations, locate OJA for the // ManyToOne corresponding to this persister to fully // define the many-to-many; we need that OJA so that we can // use its alias here // TODO : is there a better way here? IAssociationType associationType = (IAssociationType)collectionPersister.ElementType; foreach (OuterJoinableAssociation oja in associations) { if (oja.JoinableType == associationType) { // we found it filter += collectionPersister.GetManyToManyFilterFragment(oja.RHSAlias, EnabledFilters); manyToManyOrderBy += collectionPersister.GetManyToManyOrderByString(oja.RHSAlias); } } } whereString.Insert(0, StringHelper.MoveAndToBeginning(filter)); JoinFragment ojf = MergeOuterJoins(associations); SqlSelectBuilder select = new SqlSelectBuilder(Factory) .SetSelectClause(collectionPersister.SelectFragment(alias, CollectionSuffixes[0]) + SelectString(associations)) .SetFromClause(collectionPersister.TableName, alias) .SetWhereClause(whereString.ToSqlString()) .SetOuterJoins(ojf.ToFromFragmentString, ojf.ToWhereFragmentString); select.SetOrderByClause(OrderBy(associations, MergeOrderings(collectionPersister.GetSQLOrderByString(alias), manyToManyOrderBy))); if (Factory.Settings.IsCommentsEnabled) select.SetComment("load collection " + collectionPersister.Role); SqlString = select.ToSqlString(); }
public void SelectStringSqlTest() { Configuration cfg = new Configuration(); ISessionFactory factory = cfg.BuildSessionFactory( ); ISessionFactoryImplementor factoryImpl = (ISessionFactoryImplementor)factory; SqlSelectBuilder select = new SqlSelectBuilder(factoryImpl); select.SetSelectClause("column1, column2"); select.SetFromClause("select_test", "select_test_alias"); select.SetOuterJoins( new SqlString(" LEFT OUTER JOIN before ON select_test_alias.column1 = before.column1"), new SqlString(" LEFT OUTER JOIN after ON select_test_alias.column1 = after.column1") ); select.SetOrderByClause("column1 DESC"); select.SetWhereClause("select_test_alias", new string[] {"identity_column"}, NHibernateUtil.Int64); SqlString sqlString = select.ToSqlString(); string expectedSql = new StringBuilder().Append("SELECT ") .Append("column1, column2 ") .Append("FROM select_test select_test_alias ") .Append("LEFT OUTER JOIN before ON select_test_alias.column1 = before.column1 ") .Append("WHERE select_test_alias.identity_column = :select_test_alias.identity_column ") .Append("LEFT OUTER JOIN after ON select_test_alias.column1 = after.column1 ") .Append("ORDER BY column1 DESC") .ToString(); int numOfParams = 0; Parameter expectedParam = null; foreach(object part in sqlString.SqlParts) { if(part is Parameter) { numOfParams++; expectedParam = (Parameter)part; } } Assert.AreEqual(expectedSql , sqlString.ToString(), "SQL String"); Assert.AreEqual(1, numOfParams, "One parameter"); Parameter firstParam = new Parameter( "identity_column", "select_test_alias", new SqlTypes.Int64SqlType() ); Assert.AreEqual(firstParam.SqlType.DbType, expectedParam.SqlType.DbType, "First Parameter Type"); Assert.AreEqual(firstParam.Name, expectedParam.Name, "First Parameter Name"); }
protected SqlString RenderSelect(int[] tableNumbers, int[] columnNumbers, int[] formulaNumbers) { Array.Sort(tableNumbers); //get 'em in the right order (not that it really matters) //render the where and from parts int drivingTable = tableNumbers[0]; string drivingAlias = GenerateTableAlias(RootAlias, drivingTable); //we *could* regenerate this inside each called method! SqlString where = CreateWhereByKey(drivingTable, drivingAlias); string from = CreateFrom(drivingTable, drivingAlias); //now render the joins JoinFragment jf = CreateJoin(tableNumbers, drivingAlias); //now render the select clause SelectFragment selectFragment = CreateSelect(columnNumbers, formulaNumbers); //now tie it all together SqlSelectBuilder select = new SqlSelectBuilder(Factory); select.SetSelectClause(selectFragment.ToFragmentString().Substring(2)); select.SetFromClause(from); select.SetWhereClause(where); select.SetOuterJoins(jf.ToFromFragmentString, jf.ToWhereFragmentString); if (Factory.Settings.IsCommentsEnabled) { select.SetComment("sequential select " + EntityName); } return select.ToSqlString(); }
private void InitStatementString( IQueryableCollection persister, string alias, IList associations, int batchSize, ISessionFactoryImplementor factory ) { Suffixes = GenerateSuffixes( associations.Count ); SqlStringBuilder whereString = WhereString( factory, alias, persister.KeyColumnNames, persister.KeyType, batchSize ); if( persister.HasWhere ) { whereString .Add( " and " ) .Add( persister.GetSQLWhereString( alias ) ); } JoinFragment ojf = MergeOuterJoins( associations ); SqlSelectBuilder select = new SqlSelectBuilder( factory ) .SetSelectClause( persister.SelectFragment( alias ).Append( SelectString( associations, factory ) ).ToString() ) .SetFromClause( persister.TableName, alias ) .SetWhereClause( whereString.ToSqlString() ) .SetOuterJoins( ojf.ToFromFragmentString, ojf.ToWhereFragmentString ); if( persister.HasOrdering ) { select.SetOrderByClause( persister.GetSQLOrderByString( alias ) ); } SqlString = select.ToSqlString(); }