Пример #1
0
        private static void BuildRefrenceCode(SelectBuilder select, FapColumn column, AliasedSource table, string refAlias)
        {
            string colName = column.RefCode;

            if (colName.IsPresent())
            {
                colName = "Id";
            }
            SelectBuilder inner      = new SelectBuilder();
            AliasedSource innerTable = inner.AddTable(new Table($"{column.RefTable}"), refAlias);

            inner.AddProjection(innerTable.Column($"{colName}"));
            if (column.MultiAble == 1) //是否多选
            {
            }
            FilterGroup joinFilter = new FilterGroup(Conjunction.And,
                                                     new EqualToFilter(innerTable.Column($"{column.RefID}"), table.Column(column.ColName)),
                                                     new LessThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_EnableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
                                                     new GreaterThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_DisableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
                                                     new EqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_Dr), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_Dr)));

            if (column.RefTable.EqualsWithIgnoreCase(nameof(FapColumn)))
            {
                IFilter filter = new EqualToFilter(innerTable.Column("TableName"), table.Column("TableName"));
                joinFilter.AddFilter(filter);
            }
            inner.AddWhere(joinFilter);
            select.AddProjection(inner, $"{column.ColName}MCID");
        }
Пример #2
0
        private static void BuildRefrenceName(SelectBuilder select, FapColumn column, AliasedSource table, string refAlias)
        {
            SelectBuilder inner      = new SelectBuilder();
            AliasedSource innerTable = inner.AddTable(new Table($"{column.RefTable}"), refAlias);

            inner.AddProjection(innerTable.Column($"{column.RefName}"));

            FilterGroup joinFilter = new FilterGroup(Conjunction.And,
                                                     new EqualToFilter(innerTable.Column($"{column.RefID}"), table.Column(column.ColName)),
                                                     new LessThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_EnableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
                                                     new GreaterThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_DisableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
                                                     new EqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_Dr), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_Dr)));

            if (column.RefTable.EqualsWithIgnoreCase(nameof(FapColumn)))
            {
                //fapcolumn存在重复colName,加一个去重
                IFilter filter = new EqualToFilter(innerTable.Column("TableName"), table.Column("RefTable"));
                joinFilter.AddFilter(filter);
            }
            inner.AddWhere(joinFilter);
            select.AddProjection(inner, $"{column.ColName}MC");
        }
Пример #3
0
        public void TestFilterGroup_Optimize_SimplifiesConditions()
        {
            FilterGroup topFilter = new FilterGroup(Conjunction.Or,
                                                    new FilterGroup(Conjunction.And,
                                                                    new EqualToFilter(new Column("FirstName"), new StringLiteral("Albert")),
                                                                    new FilterGroup(Conjunction.And,
                                                                                    new EqualToFilter(new Column("LastName"), new StringLiteral("Einstein")))),
                                                    new FilterGroup(Conjunction.And,
                                                                    new EqualToFilter(new Column("FirstName"), new StringLiteral("Max")),
                                                                    new FilterGroup(Conjunction.And,
                                                                                    new EqualToFilter(new Column("LastName"), new StringLiteral("Planck")))));

            wrapInParentheses(topFilter, true);

            SelectBuilder selectBuilder = new SelectBuilder();

            selectBuilder.AddTable(new Table("Person"));
            selectBuilder.AddProjection(new Column("FirstName"));
            selectBuilder.AddProjection(new Column("LastName"));
            selectBuilder.AddWhere(topFilter);
            Formatter    formatter      = new Formatter();
            string       beforeActual   = formatter.GetCommandText(selectBuilder);
            const string beforeExpected = "SELECT FirstName, LastName FROM Person WHERE (((FirstName = 'Albert') AND ((LastName = 'Einstein'))) OR ((FirstName = 'Max') AND ((LastName = 'Planck'))))";

            Assert.AreEqual(beforeExpected, beforeActual, "The initial query had an unexpected string representation.");

            wrapInParentheses(topFilter, false);
            topFilter.Optimize();
            wrapInParentheses(topFilter, true);

            string afterActual = formatter.GetCommandText(selectBuilder, new CommandOptions()
            {
                WrapFiltersInParentheses = true
            });
            const string afterExpected = "SELECT FirstName, LastName FROM Person WHERE (((FirstName = 'Albert') AND (LastName = 'Einstein')) OR ((FirstName = 'Max') AND (LastName = 'Planck')))";

            Assert.AreEqual(afterExpected, afterActual, "The optimized query had an unexpected string representation.");
        }
Пример #4
0
        private static void BuildFapDict(SelectBuilder select, FapColumn column, AliasedSource table, string refAlias)
        {
            SelectBuilder inner      = new SelectBuilder();
            AliasedSource innerTable = inner.AddTable(new Table("FapDict"), refAlias);

            inner.AddProjection(innerTable.Column("Name"));
            if (column.MultiAble == 1) //是否多选
            {
            }
            FilterGroup joinFilter = new FilterGroup(Conjunction.And,
                                                     new EqualToFilter(innerTable.Column("Code"), table.Column(column.ColName)),
                                                     new EqualToFilter(innerTable.Column("Category"), new StringLiteral(column.ComboxSource)),
                                                     new LessThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_EnableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
                                                     new GreaterThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_DisableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
                                                     new EqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_Dr), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_Dr)));

            inner.AddWhere(joinFilter);
            select.AddProjection(inner, $"{column.ColName}MC");
            if (column.MultiAble == 1) //是否多选
            {
                //selectBuilder.Append(" for xml path('')"); // 逗号分隔的字符串,比如,以“aaa,bbb,ccc,”显示
            }
        }