public Clause SelectAsync <TModel>(IQuery <TModel> query)
{
var clause = GetSqlClause(query);
try
{
if (query.Skip.HasValue || query.Take.HasValue)
{
var sql = BuildPageSql(query, clause);
clause.Sql = sql;
return(clause);
}
if (string.IsNullOrEmpty(clause.Where))
{
return(clause);
}
var descriptor = TableCache.GetTableDescriptor(typeof(TModel));
var sqlBuilder = StringBuilderCache.Acquire();
sqlBuilder.Append(this.BuildSelectSql(descriptor));
sqlBuilder.Append(clause.Where);
sqlBuilder.Append(clause.OrderBy);
clause.Sql = StringBuilderCache.GetStringAndRelease(sqlBuilder);
return(clause);
}
finally
{
clause.Where = null;
clause.OrderBy = null;
}
}
private string BuildPageSql <TModel>(IQuery <TModel> query, Clause clause)
{
var descriptor = TableCache.GetTableDescriptor(typeof(TModel));
clause.Paging = true;
var options = descriptor.Options;
if (query.OrderBys == null || query.OrderBys.Count == 0)
{
BuildDefaultOrderBy(clause, descriptor);
}
var sqlBuilder = StringBuilderCache.Acquire();
sqlBuilder.Append(BuildSelectSql(descriptor));
sqlBuilder.Append(clause.Where);
sqlBuilder.Append(clause.OrderBy);
sqlBuilder.Append(options.GetPageSql(query.Skip ?? 0, query.Take ?? 1));
sqlBuilder.Append(" ;");
sqlBuilder.Append("SELECT COUNT(1) from ");
sqlBuilder.Append(options.StartDelimiter);
sqlBuilder.Append(descriptor.TableName);
sqlBuilder.Append(options.EndDelimiter);
sqlBuilder.Append(clause.Where);
sqlBuilder.Append(" ;");
return(StringBuilderCache.GetStringAndRelease(sqlBuilder));
}
public static async Task <int> InsertAsync <T>(this IDbConnection connection, T entity,
IDbTransaction transaction = null)
where T : class
{
var type = typeof(T);
var sql = LazySqlBuilder.Value.Insert(type);
if (string.IsNullOrEmpty(sql))
{
throw new ArgumentException("SqlBuilder Return Sql Empty");
}
if (Debugger.IsAttached)
{
Trace.WriteLine(sql);
}
if (type.IsArray)
{
return(await connection.ExecuteAsync(sql, entity, transaction));
}
var multi = await connection.QueryMultipleAsync(sql, entity).ConfigureAwait(false);
var first = multi.Read <IdInfo>().FirstOrDefault();
if (first == null)
{
throw new Exception("InsertAsync Error");
}
var columnDescriptors = TableCache.GetColumnDescriptors(typeof(T));
var primaryKey = columnDescriptors.FirstOrDefault(n => n.IsPrimaryKey);
primaryKey?.SetPrimaryKey(entity, first.Id);
return(1);
}
