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Update mapper

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This commit is contained in:
skx 2021-01-01 17:40:07 +08:00
parent 919cd24cbd
commit dc4a60acad
3 changed files with 24 additions and 12 deletions
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13
Src/Asp.Net/SqlServerTest/UnitTest/UQueryable2.cs
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@ -12,12 +12,13 @@ namespace OrmTest
{ {
var list4 = Db.Queryable<ABMapping>() var list4 = Db.Queryable<ABMapping>()
.Mapper(it => it.A, it => it.AId) .Mapper(it => it.A, it => it.AId)
.Mapper(it => it.B, it => it.BId) .Where(it => it.A.Name == "a")
.Where(it=>it.A.Name=="A") .ToList();
.Where(it=>it.B.Id==1)
.Select(it=>new {
id=it.B.Id var list5 = Db.Queryable<ABMapping>()
}) .Mapper(it => it.A, it => it.AId, it => it.A.Id)
.Where(it => it.A.Name == "a")
.ToList(); .ToList();
} }

5
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
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@ -116,6 +116,11 @@ namespace SqlSugar
public ISugarQueryable<T> Mapper<TObject>(Expression<Func<T, TObject>> mapperObject, Expression<Func<T, object>> mainField, Expression<Func<T, object>> childField) public ISugarQueryable<T> Mapper<TObject>(Expression<Func<T, TObject>> mapperObject, Expression<Func<T, object>> mainField, Expression<Func<T, object>> childField)
{ {
Check.Exception(mapperObject.ReturnType.Name == "IList`1", "Mapper no support IList , Use List<T>"); Check.Exception(mapperObject.ReturnType.Name == "IList`1", "Mapper no support IList , Use List<T>");
if (CallContext.MapperExpression.Value == null)
{
CallContext.MapperExpression.Value = new List<MapperExpression>();
}
CallContext.MapperExpression.Value.Add(new MapperExpression() { SqlBuilder = SqlBuilder, QueryBuilder = this.QueryBuilder, Type = MapperExpressionType.oneToOne, FillExpression = mapperObject, MappingField1Expression = mainField, MappingField2Expression=childField, Context = this.Context });
return _Mapper<TObject>(mapperObject, mainField, childField); return _Mapper<TObject>(mapperObject, mainField, childField);
} }
public ISugarQueryable<T> Mapper<TObject>(Expression<Func<T, List<TObject>>> mapperObject, Expression<Func<T, object>> mainField, Expression<Func<T, object>> childField) public ISugarQueryable<T> Mapper<TObject>(Expression<Func<T, List<TObject>>> mapperObject, Expression<Func<T, object>> mainField, Expression<Func<T, object>> childField)

12
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MapperExpressionResolve.cs
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@ -54,7 +54,7 @@ namespace SqlSugar
if (isExMapper) if (isExMapper)
{ {
ExtMapper(); ExtMapper(fillInfo, mappingFild1Info, mappingFild1Info2, SelectInfo);
} }
else if (isSameProperty) else if (isSameProperty)
{ {
@ -189,9 +189,15 @@ namespace SqlSugar
return ""; return "";
} }
private void ExtMapper() private void ExtMapper(MapperExpressionInfo fillInfo, MapperExpressionInfo mappingFild1Info, MapperExpressionInfo mappingFild1Info2, MapperExpressionInfo selectInfo)
{ {
throw new NotImplementedException(); var tableName = sqlBuilder.GetTranslationTableName(fillInfo.EntityInfo.DbTableName);
var whereLeft = sqlBuilder.GetTranslationColumnName(mappingFild1Info2.FieldName);
var whereRight = sqlBuilder.GetTranslationColumnName(mappingFild1Info.FieldString);
this.sql = this.context.Queryable<object>()
.AS(tableName)
.Where(string.Format(" {0}={1} ", whereLeft, whereRight))
.Select(sqlBuilder.GetTranslationColumnName(selectInfo.FieldName)).ToSql().Key;
} }
public MapperSql GetSql() public MapperSql GetSql()