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SqlMapperExtensions.cs
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SqlMapperExtensions.cs
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using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Dynamic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Dapper;
namespace ECommon.Dapper
{
/// <summary>Dapper extensions.
/// </summary>
public static class SqlMapperExtensions
{
private static readonly ConcurrentDictionary<Type, List<PropertyInfo>> _paramCache = new ConcurrentDictionary<Type, List<PropertyInfo>>();
/// <summary>Insert data into table.
/// </summary>
/// <param name="connection"></param>
/// <param name="data"></param>
/// <param name="table"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static long Insert(this IDbConnection connection, dynamic data, string table, IDbTransaction transaction = null, int? commandTimeout = null)
{
var obj = data as object;
var properties = GetProperties(obj);
var columns = string.Join(",", properties);
var values = string.Join(",", properties.Select(p => "@" + p));
var sql = string.Format("insert into {0} ({1}) values ({2}) select cast(scope_identity() as bigint)", table, columns, values);
return connection.ExecuteScalar<long>(sql, obj, transaction, commandTimeout);
}
/// <summary>Insert data async into table.
/// </summary>
/// <param name="connection"></param>
/// <param name="data"></param>
/// <param name="table"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<long> InsertAsync(this IDbConnection connection, dynamic data, string table, IDbTransaction transaction = null, int? commandTimeout = null)
{
var obj = data as object;
var properties = GetProperties(obj);
var columns = string.Join(",", properties);
var values = string.Join(",", properties.Select(p => "@" + p));
var sql = string.Format("insert into {0} ({1}) values ({2}) select cast(scope_identity() as bigint)", table, columns, values);
return connection.ExecuteScalarAsync<long>(sql, obj, transaction, commandTimeout);
}
/// <summary>Updata data for table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="data"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static int Update(this IDbConnection connection, dynamic data, dynamic condition, string table, IDbTransaction transaction = null, int? commandTimeout = null)
{
var obj = data as object;
var conditionObj = condition as object;
var updatePropertyInfos = GetPropertyInfos(obj);
var wherePropertyInfos = GetPropertyInfos(conditionObj);
var updateProperties = updatePropertyInfos.Select(p => p.Name);
var whereProperties = wherePropertyInfos.Select(p => p.Name);
var updateFields = string.Join(",", updateProperties.Select(p => p + " = @" + p));
var whereFields = string.Empty;
if (whereProperties.Any())
{
whereFields = " where " + string.Join(" and ", whereProperties.Select(p => p + " = @w_" + p));
}
var sql = string.Format("update {0} set {1}{2}", table, updateFields, whereFields);
var parameters = new DynamicParameters(data);
var expandoObject = new ExpandoObject() as IDictionary<string, object>;
wherePropertyInfos.ForEach(p => expandoObject.Add("w_" + p.Name, p.GetValue(conditionObj, null)));
parameters.AddDynamicParams(expandoObject);
return connection.Execute(sql, parameters, transaction, commandTimeout);
}
/// <summary>Updata data async for table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="data"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<int> UpdateAsync(this IDbConnection connection, dynamic data, dynamic condition, string table, IDbTransaction transaction = null, int? commandTimeout = null)
{
var obj = data as object;
var conditionObj = condition as object;
var updatePropertyInfos = GetPropertyInfos(obj);
var wherePropertyInfos = GetPropertyInfos(conditionObj);
var updateProperties = updatePropertyInfos.Select(p => p.Name);
var whereProperties = wherePropertyInfos.Select(p => p.Name);
var updateFields = string.Join(",", updateProperties.Select(p => p + " = @" + p));
var whereFields = string.Empty;
if (whereProperties.Any())
{
whereFields = " where " + string.Join(" and ", whereProperties.Select(p => p + " = @w_" + p));
}
var sql = string.Format("update {0} set {1}{2}", table, updateFields, whereFields);
var parameters = new DynamicParameters(data);
var expandoObject = new ExpandoObject() as IDictionary<string, object>;
wherePropertyInfos.ForEach(p => expandoObject.Add("w_" + p.Name, p.GetValue(conditionObj, null)));
parameters.AddDynamicParams(expandoObject);
return connection.ExecuteAsync(sql, parameters, transaction, commandTimeout);
}
/// <summary>Delete data from table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static int Delete(this IDbConnection connection, dynamic condition, string table, IDbTransaction transaction = null, int? commandTimeout = null)
{
var conditionObj = condition as object;
var whereFields = string.Empty;
var whereProperties = GetProperties(conditionObj);
if (whereProperties.Count > 0)
{
whereFields = " where " + string.Join(" and ", whereProperties.Select(p => p + " = @" + p));
}
var sql = string.Format("delete from {0}{1}", table, whereFields);
return connection.Execute(sql, conditionObj, transaction, commandTimeout);
}
/// <summary>Delete data async from table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<int> DeleteAsync(this IDbConnection connection, dynamic condition, string table, IDbTransaction transaction = null, int? commandTimeout = null)
{
var conditionObj = condition as object;
var whereFields = string.Empty;
var whereProperties = GetProperties(conditionObj);
if (whereProperties.Count > 0)
{
whereFields = " where " + string.Join(" and ", whereProperties.Select(p => p + " = @" + p));
}
var sql = string.Format("delete from {0}{1}", table, whereFields);
return connection.ExecuteAsync(sql, conditionObj, transaction, commandTimeout);
}
/// <summary>Get data count from table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static int GetCount(this IDbConnection connection, object condition, string table, bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return QueryList<int>(connection, condition, table, "count(*)", isOr, transaction, commandTimeout).Single();
}
/// <summary>Get data count async from table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<int> GetCountAsync(this IDbConnection connection, object condition, string table, bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return QueryListAsync<int>(connection, condition, table, "count(*)", isOr, transaction, commandTimeout).ContinueWith<int>(t => t.Result.Single());
}
/// <summary>Query a list of data from table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static IEnumerable<dynamic> QueryList(this IDbConnection connection, dynamic condition, string table, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return QueryList<dynamic>(connection, condition, table, columns, isOr, transaction, commandTimeout);
}
/// <summary>Query a list of data async from table with a specified condition.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<IEnumerable<dynamic>> QueryListAsync(this IDbConnection connection, dynamic condition, string table, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return QueryListAsync<dynamic>(connection, condition, table, columns, isOr, transaction, commandTimeout);
}
/// <summary>Query a list of data from table with specified condition.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static IEnumerable<T> QueryList<T>(this IDbConnection connection, object condition, string table, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return connection.Query<T>(BuildQuerySQL(condition, table, columns, isOr), condition, transaction, true, commandTimeout);
}
/// <summary>Query a list of data async from table with specified condition.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<IEnumerable<T>> QueryListAsync<T>(this IDbConnection connection, object condition, string table, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return connection.QueryAsync<T>(BuildQuerySQL(condition, table, columns, isOr), condition, transaction, commandTimeout);
}
/// <summary>Query paged data from a single table.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="orderBy"></param>
/// <param name="pageIndex"></param>
/// <param name="pageSize"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static IEnumerable<dynamic> QueryPaged(this IDbConnection connection, dynamic condition, string table, string orderBy, int pageIndex, int pageSize, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return QueryPaged<dynamic>(connection, condition, table, orderBy, pageIndex, pageSize, columns, isOr, transaction, commandTimeout);
}
/// <summary>Query paged data async from a single table.
/// </summary>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="orderBy"></param>
/// <param name="pageIndex"></param>
/// <param name="pageSize"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<IEnumerable<dynamic>> QueryPagedAsync(this IDbConnection connection, dynamic condition, string table, string orderBy, int pageIndex, int pageSize, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
return QueryPagedAsync<dynamic>(connection, condition, table, orderBy, pageIndex, pageSize, columns, isOr, transaction, commandTimeout);
}
/// <summary>Query paged data from a single table.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="orderBy"></param>
/// <param name="pageIndex"></param>
/// <param name="pageSize"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static IEnumerable<T> QueryPaged<T>(this IDbConnection connection, dynamic condition, string table, string orderBy, int pageIndex, int pageSize, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
var conditionObj = condition as object;
var whereFields = string.Empty;
var properties = GetProperties(conditionObj);
if (properties.Count > 0)
{
var separator = isOr ? " OR " : " AND ";
whereFields = " WHERE " + string.Join(separator, properties.Select(p => p + " = @" + p));
}
var sql = string.Format("SELECT {0} FROM (SELECT ROW_NUMBER() OVER (ORDER BY {1}) AS RowNumber, {0} FROM {2}{3}) AS Total WHERE RowNumber >= {4} AND RowNumber <= {5}", columns, orderBy, table, whereFields, (pageIndex - 1) * pageSize + 1, pageIndex * pageSize);
return connection.Query<T>(sql, conditionObj, transaction, true, commandTimeout);
}
/// <summary>Query paged data async from a single table.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="connection"></param>
/// <param name="condition"></param>
/// <param name="table"></param>
/// <param name="orderBy"></param>
/// <param name="pageIndex"></param>
/// <param name="pageSize"></param>
/// <param name="columns"></param>
/// <param name="isOr"></param>
/// <param name="transaction"></param>
/// <param name="commandTimeout"></param>
/// <returns></returns>
public static Task<IEnumerable<T>> QueryPagedAsync<T>(this IDbConnection connection, dynamic condition, string table, string orderBy, int pageIndex, int pageSize, string columns = "*", bool isOr = false, IDbTransaction transaction = null, int? commandTimeout = null)
{
var conditionObj = condition as object;
var whereFields = string.Empty;
var properties = GetProperties(conditionObj);
if (properties.Count > 0)
{
var separator = isOr ? " OR " : " AND ";
whereFields = " WHERE " + string.Join(separator, properties.Select(p => p + " = @" + p));
}
var sql = string.Format("SELECT {0} FROM (SELECT ROW_NUMBER() OVER (ORDER BY {1}) AS RowNumber, {0} FROM {2}{3}) AS Total WHERE RowNumber >= {4} AND RowNumber <= {5}", columns, orderBy, table, whereFields, (pageIndex - 1) * pageSize + 1, pageIndex * pageSize);
return connection.QueryAsync<T>(sql, conditionObj, transaction, commandTimeout);
}
private static string BuildQuerySQL(dynamic condition, string table, string selectPart = "*", bool isOr = false)
{
var conditionObj = condition as object;
var properties = GetProperties(conditionObj);
if (properties.Count == 0)
{
return string.Format("SELECT {1} FROM {0}", table, selectPart);
}
var separator = isOr ? " OR " : " AND ";
var wherePart = string.Join(separator, properties.Select(p => p + " = @" + p));
return string.Format("SELECT {2} FROM {0} WHERE {1}", table, wherePart, selectPart);
}
private static List<string> GetProperties(object obj)
{
if (obj == null)
{
return new List<string>();
}
if (obj is DynamicParameters)
{
return (obj as DynamicParameters).ParameterNames.ToList();
}
return GetPropertyInfos(obj).Select(x => x.Name).ToList();
}
private static List<PropertyInfo> GetPropertyInfos(object obj)
{
if (obj == null)
{
return new List<PropertyInfo>();
}
List<PropertyInfo> properties;
if (_paramCache.TryGetValue(obj.GetType(), out properties)) return properties.ToList();
properties = obj.GetType().GetProperties(BindingFlags.GetProperty | BindingFlags.Instance | BindingFlags.Public).ToList();
_paramCache[obj.GetType()] = properties;
return properties;
}
}
}