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- 修复 【重大 bug】 批量更新 bug，当字段中某个值为 null，其他字段也更新成了 NULL；

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This commit is contained in:
28810
2019-09-06 17:42:25 +08:00
parent 2855af3a43
commit a266cdb103
8 changed files with 16 additions and 8 deletions
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16
FreeSql/Internal/CommonProvider/UpdateProvider.cs
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@ -576,7 +576,7 @@ namespace FreeSql.Internal.CommonProvider
var sb = new StringBuilder();
sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ");
var isnull = false;
var nulls = 0;
var cwsb = new StringBuilder().Append(cw);
foreach (var d in _source)
{
@ -585,11 +585,11 @@ namespace FreeSql.Internal.CommonProvider
cwsb.Append(" THEN ");
var value = col.GetMapValue(d);
cwsb.Append(thenValue(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.Attribute.MapType, value)));
if (isnull == false) isnull = value == null || value == DBNull.Value;
if (value == null || value == DBNull.Value) nulls++;
}
cwsb.Append(" END");
if (isnull == false) sb.Append(cwsb.ToString());
else sb.Append("NULL");
if (nulls == _source.Count) sb.Append("NULL");
else sb.Append(cwsb.ToString());
cwsb.Clear();
return sb.ToString();
@ -669,7 +669,7 @@ namespace FreeSql.Internal.CommonProvider
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ");
var isnull = false;
var nulls = 0;
var cwsb = new StringBuilder().Append(cw);
foreach (var d in _source)
{
@ -684,15 +684,15 @@ namespace FreeSql.Internal.CommonProvider
cwsb.Append(_commonUtils.QuoteWriteParamter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}")));
_commonUtils.AppendParamter(_paramsSource, null, col.Attribute.MapType, val);
}
if (isnull == false) isnull = val == null || val == DBNull.Value;
if (val == null || val == DBNull.Value) nulls++;
}
cwsb.Append(" END");
if (isnull == false)
if (nulls == _source.Count) sb.Append("NULL");
else
{
ToSqlCaseWhenEnd(cwsb, col);
sb.Append(cwsb.ToString());
}
else sb.Append("NULL");
cwsb.Clear();
++colidx;