- 优化 IUpdate 批量 case when 同值的 SQL 生成;#1393

This commit is contained in:
2881099 2023-05-24 13:04:34 +08:00
parent 496a969742
commit 1250f4f3af
2 changed files with 142 additions and 33 deletions

View File

@ -1073,6 +1073,82 @@
</summary> </summary>
<returns></returns> <returns></returns>
</member> </member>
<member name="T:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder">
<summary>
动态创建实体类型
</summary>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.#ctor(IFreeSql,System.String,System.Attribute[])">
<summary>
配置Class
</summary>
<param name="className">类名</param>
<param name="attributes">类标记的特性[Table(Name = "xxx")] [Index(xxxx)]</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Boolean,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="isOverride">该属性是否重写父类属性</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Boolean,System.Object,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="isOverride">该属性是否重写父类属性</param>
<param name="defaultValue">属性默认值</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Extend(System.Type)">
<summary>
配置父类
</summary>
<param name="superClass">父类类型</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.OverrideProperty(System.Reflection.Emit.TypeBuilder@,System.Reflection.Emit.MethodBuilder,FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.PropertyMethodEnum,System.String)">
<summary>
Override属性
</summary>
<param name="typeBuilder"></param>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Build">
<summary>
Emit动态创建出Class - Type
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.FirstCharToLower(System.String)">
<summary>
首字母小写
</summary>
<param name="input"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.FirstCharToUpper(System.String)">
<summary>
首字母大写
</summary>
<param name="input"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(IFreeSql,System.Type,System.Object,System.Boolean,System.String)"> <member name="M:FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(IFreeSql,System.Type,System.Object,System.Boolean,System.String)">
<summary> <summary>
获取实体的主键值,以 "*|_,[,_|*" 分割,当任意一个主键属性无值时,返回 null 获取实体的主键值,以 "*|_,[,_|*" 分割,当任意一个主键属性无值时,返回 null
@ -5700,6 +5776,28 @@
请使用 fsql.InsertDict(dict) 方法插入字典数据 请使用 fsql.InsertDict(dict) 方法插入字典数据
</summary> </summary>
</member> </member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.DynamicEntity(FreeSql.ICodeFirst,System.String,System.Attribute[])">
<summary>
动态构建Class Type
</summary>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.CreateInstance(FreeSql.Internal.Model.TableInfo,System.Collections.Generic.Dictionary{System.String,System.Object})">
<summary>
根据字典,创建 table 对应的实体对象
</summary>
<param name="table"></param>
<param name="dict"></param>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.CreateDictionary(FreeSql.Internal.Model.TableInfo,System.Object)">
<summary>
根据实体对象,创建 table 对应的字典
</summary>
<param name="table"></param>
<param name="instance"></param>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalExpressionCallExtensions.Between(System.DateTime,System.DateTime,System.DateTime)"> <member name="M:FreeSqlGlobalExpressionCallExtensions.Between(System.DateTime,System.DateTime,System.DateTime)">
<summary> <summary>
C# that >= between &amp;&amp; that &lt;= and<para></para> C# that >= between &amp;&amp; that &lt;= and<para></para>

View File

@ -894,28 +894,30 @@ namespace FreeSql.Internal.CommonProvider
var sb = new StringBuilder(); var sb = new StringBuilder();
sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = "); sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ");
string valsqlOld = null; var valsameIf = col.Attribute.MapType.IsNumberType() || col.Attribute.MapType == typeof(string) || col.Attribute.MapType.NullableTypeOrThis().IsEnum;
var valsqlOldStats = 1; //start 1 var ds = _source.Select(a => col.GetDbValue(a)).ToArray();
var nullStats = 0; if (valsameIf && ds.All(a => object.Equals(a, ds[0])))
var cwsb = new StringBuilder().Append(cw);
foreach (var d in _source)
{ {
cwsb.Append(" \r\nWHEN "); var val = ds.First();
ToSqlWhen(cwsb, _tempPrimarys, d); var colsql = thenValue(_commonUtils.RewriteColumn(col, _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val)));
cwsb.Append(" THEN "); sb.Append(colsql);
var val = col.GetDbValue(d); }
var valsql = thenValue(_commonUtils.RewriteColumn(col, _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val))); else
cwsb.Append(valsql); {
if (valsqlOld == null) valsqlOld = valsql; var cwsb = new StringBuilder().Append(cw);
else if (valsqlOld == valsql) valsqlOldStats++; foreach (var d in _source)
if (val == null || val == DBNull.Value) nullStats++; {
cwsb.Append(" \r\nWHEN ");
ToSqlWhen(cwsb, _tempPrimarys, d);
cwsb.Append(" THEN ");
var val = col.GetDbValue(d);
var colsql = thenValue(_commonUtils.RewriteColumn(col, _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val)));
cwsb.Append(colsql);
}
cwsb.Append(" END");
sb.Append(cwsb);
cwsb.Clear();
} }
cwsb.Append(" END");
if (nullStats == _source.Count) sb.Append("NULL");
else if (valsqlOldStats == _source.Count) sb.Append(valsqlOld);
else sb.Append(cwsb);
cwsb.Clear();
return sb.ToString(); return sb.ToString();
} }
} }
@ -1147,30 +1149,39 @@ namespace FreeSql.Internal.CommonProvider
sb.Append(col.DbUpdateValue); sb.Append(col.DbUpdateValue);
else else
{ {
var nulls = 0; var valsameIf = col.Attribute.MapType.IsNumberType() || col.Attribute.MapType == typeof(string) || col.Attribute.MapType.NullableTypeOrThis().IsEnum;
var cwsb = new StringBuilder().Append(cw); var ds = _source.Select(a => col.GetDbValue(a)).ToArray();
foreach (var d in _source) if (valsameIf && ds.All(a => object.Equals(a, ds[0])))
{ {
cwsb.Append(" \r\nWHEN "); var val = ds.First();
ToSqlWhen(cwsb, _tempPrimarys, d);
cwsb.Append(" THEN ");
var val = col.GetDbValue(d);
var colsql = _noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val) : var colsql = _noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val) :
_commonUtils.QuoteWriteParamterAdapter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}")); _commonUtils.QuoteWriteParamterAdapter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}"));
cwsb.Append(_commonUtils.RewriteColumn(col, colsql)); sb.Append(_commonUtils.RewriteColumn(col, colsql));
if (_noneParameter == false) if (_noneParameter == false)
_commonUtils.AppendParamter(_paramsSource, null, col, col.Attribute.MapType, val); _commonUtils.AppendParamter(_paramsSource, null, col, col.Attribute.MapType, val);
if (val == null || val == DBNull.Value) nulls++;
} }
cwsb.Append(" END");
if (nulls == _source.Count) sb.Append("NULL");
else else
{ {
var cwsb = new StringBuilder().Append(cw);
foreach (var d in _source)
{
cwsb.Append(" \r\nWHEN ");
ToSqlWhen(cwsb, _tempPrimarys, d);
cwsb.Append(" THEN ");
var val = col.GetDbValue(d);
var colsql = _noneParameter ? _commonUtils.GetNoneParamaterSqlValue(_paramsSource, "u", col, col.Attribute.MapType, val) :
_commonUtils.QuoteWriteParamterAdapter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}"));
colsql = _commonUtils.RewriteColumn(col, colsql);
cwsb.Append(colsql);
if (_noneParameter == false)
_commonUtils.AppendParamter(_paramsSource, null, col, col.Attribute.MapType, val);
}
cwsb.Append(" END");
ToSqlCaseWhenEnd(cwsb, col); ToSqlCaseWhenEnd(cwsb, col);
sb.Append(cwsb); sb.Append(cwsb);
cwsb.Clear();
} }
cwsb.Clear();
} }
++colidx; ++colidx;
} }