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- 补充 fsql.InsertOrUpdate UpdateColumns 数据存在时只更新指定的字段；

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This commit is contained in:
28810
2020-07-29 15:32:14 +08:00
parent a8d1db8614
commit 06b301395f
19 changed files with 89 additions and 26 deletions
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14
FreeSql/FreeSql.xml
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@ -1165,6 +1165,20 @@
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.IInsertOrUpdate`1.UpdateColumns(System.Linq.Expressions.Expression{System.Func{`0,System.Object}})">
<summary>
当记录存在时，指定只更新的字段，UpdateColumns(a => a.Name) | UpdateColumns(a => new{a.Name,a.Time}) | UpdateColumns(a => new[]{"name","time"})
</summary>
<param name="columns">lambda选择列</param>
<returns></returns>
</member>
<member name="M:FreeSql.IInsertOrUpdate`1.UpdateColumns(System.String[])">
<summary>
当记录存在时，指定只更新的字段
</summary>
<param name="columns">属性名，或者字段名</param>
<returns></returns>
</member>
<member name="M:FreeSql.IInsertOrUpdate`1.AsTable(System.Func{System.String,System.String})">
<summary>
设置表名规则，可用于分库/分表，参数1：默认表名；返回值：新表名；

13
FreeSql/Interface/Curd/IInsertOrUpdate.cs
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@ -42,6 +42,19 @@ namespace FreeSql
/// <returns></returns>
IInsertOrUpdate<T1> IfExistsDoNothing();
/// <summary>
/// 当记录存在时，指定只更新的字段，UpdateColumns(a => a.Name) | UpdateColumns(a => new{a.Name,a.Time}) | UpdateColumns(a => new[]{"name","time"})
/// </summary>
/// <param name="columns">lambda选择列</param>
/// <returns></returns>
IInsertOrUpdate<T1> UpdateColumns(Expression<Func<T1, object>> columns);
/// <summary>
/// 当记录存在时，指定只更新的字段
/// </summary>
/// <param name="columns">属性名，或者字段名</param>
/// <returns></returns>
IInsertOrUpdate<T1> UpdateColumns(string[] columns);
/// <summary>
/// 设置表名规则，可用于分库/分表，参数1：默认表名；返回值：新表名；
/// </summary>

34
FreeSql/Internal/CommonProvider/InsertOrUpdateProvider.cs
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@ -15,17 +15,18 @@ namespace FreeSql.Internal.CommonProvider
public abstract partial class InsertOrUpdateProvider<T1> : IInsertOrUpdate<T1> where T1 : class
{
protected IFreeSql _orm;
protected CommonUtils _commonUtils;
protected CommonExpression _commonExpression;
protected List<T1> _source = new List<T1>();
protected bool _doNothing = false;
protected Dictionary<string, bool> _auditValueChangedDict = new Dictionary<string, bool>(StringComparer.CurrentCultureIgnoreCase);
protected TableInfo _table;
protected Func<string, string> _tableRule;
protected DbParameter[] _params;
protected DbTransaction _transaction;
protected DbConnection _connection;
public IFreeSql _orm;
public CommonUtils _commonUtils;
public CommonExpression _commonExpression;
public List<T1> _source = new List<T1>();
public bool _doNothing = false;
public Dictionary<string, bool> _updateIgnore = new Dictionary<string, bool>(StringComparer.CurrentCultureIgnoreCase);
public Dictionary<string, bool> _auditValueChangedDict = new Dictionary<string, bool>(StringComparer.CurrentCultureIgnoreCase);
public TableInfo _table;
public Func<string, string> _tableRule;
public DbParameter[] _params;
public DbTransaction _transaction;
public DbConnection _connection;
public ColumnInfo IdentityColumn { get; }
public InsertOrUpdateProvider(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
@ -57,6 +58,17 @@ namespace FreeSql.Internal.CommonProvider
return this;
}
public IInsertOrUpdate<T1> UpdateColumns(Expression<Func<T1, object>> columns) => UpdateColumns(_commonExpression.ExpressionSelectColumns_MemberAccess_New_NewArrayInit(null, columns?.Body, false, null));
public IInsertOrUpdate<T1> UpdateColumns(string[] columns)
{
var cols = columns.Distinct().ToDictionary(a => a);
_updateIgnore.Clear();
foreach (var col in _table.Columns.Values)
if (cols.ContainsKey(col.Attribute.Name) == false && cols.ContainsKey(col.CsName) == false)
_updateIgnore.Add(col.Attribute.Name, true);
return this;
}
public static void AuditDataValue(object sender, IEnumerable<T1> data, IFreeSql orm, TableInfo table, Dictionary<string, bool> changedDict)
{
if (data?.Any() != true) return;