Пример #1
0
        private void CreateDeleteMetadataCommandText()
        {
            StringBuilder stringBuilder = new StringBuilder();

            stringBuilder.AppendLine($"DELETE FROM {trackingName.QuotedString} ");
            stringBuilder.Append($"WHERE ");
            stringBuilder.AppendLine(SQLiteManagementUtils.WhereColumnAndParameters(this.TableDescription.PrimaryKey.Columns, ""));
            stringBuilder.Append(";");

            this.AddName(DbCommandType.DeleteMetadata, stringBuilder.ToString());
        }
Пример #2
0
        private void CreateUpdateCommandText()
        {
            StringBuilder stringBuilder = new StringBuilder();

            stringBuilder.AppendLine($"UPDATE {tableName.QuotedString}");
            stringBuilder.Append($"SET {SQLiteManagementUtils.CommaSeparatedUpdateFromParameters(this.TableDescription)}");
            stringBuilder.Append($"WHERE {SQLiteManagementUtils.WhereColumnAndParameters(this.TableDescription.PrimaryKey.Columns, "")}");
            stringBuilder.AppendLine($" AND ((SELECT [timestamp] FROM {trackingName.QuotedObjectName} ");
            stringBuilder.AppendLine($"  WHERE {SQLiteManagementUtils.JoinTwoTablesOnClause(this.TableDescription.PrimaryKey.Columns, tableName.QuotedObjectName, trackingName.QuotedObjectName)}");
            stringBuilder.AppendLine(" ) <= @sync_min_timestamp OR @sync_force_write = 1");
            stringBuilder.AppendLine(");");
            this.AddName(DbCommandType.UpdateRow, stringBuilder.ToString());
        }
Пример #3
0
        private void CreateUpdatedMetadataCommandText()
        {
            StringBuilder stringBuilder = new StringBuilder();

            stringBuilder.AppendLine($"UPDATE {trackingName.QuotedString}");
            stringBuilder.AppendLine($"SET [update_scope_id] = @update_scope_id, ");
            stringBuilder.AppendLine($"\t [update_timestamp] = @update_timestamp, ");
            stringBuilder.AppendLine($"\t [sync_row_is_tombstone] = @sync_row_is_tombstone, ");
            stringBuilder.AppendLine($"\t [timestamp] = {SQLiteObjectNames.TimestampValue}, ");
            stringBuilder.AppendLine($"\t [last_change_datetime] = datetime('now') ");
            stringBuilder.Append($"WHERE {SQLiteManagementUtils.WhereColumnAndParameters(this.TableDescription.PrimaryKey.Columns, "")}");

            this.AddName(DbCommandType.UpdateMetadata, stringBuilder.ToString());
        }