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- 增加 ISelect.ToSql 字段别名设置，默认为 AsIndex，可改为 AsProperty；#158

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This commit is contained in:
28810
2019-12-17 22:08:12 +08:00
parent 204b6ecd98
commit fe5b98509b
37 changed files with 309 additions and 45 deletions
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6
FreeSql/Internal/CommonExpression.cs
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@ -25,6 +25,7 @@ namespace FreeSql.Internal
_common = common;
}
internal const int ReadAnonymousFieldAsCsName = -53129;
public bool ReadAnonymousField(List<SelectTableInfo> _tables, StringBuilder field, ReadAnonymousTypeInfo parent, ref int index, Expression exp, Func<Expression[], string> getSelectGroupingMapString, List<LambdaExpression> whereCascadeExpression, bool isAllDtoMap)
{
Func<ExpTSC> getTSC = () => new ExpTSC { _tables = _tables, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = SelectTableInfoType.From, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where, whereCascadeExpression = whereCascadeExpression };
@ -37,6 +38,7 @@ namespace FreeSql.Internal
parent.DbField = $"-({ExpressionLambdaToSql(exp, getTSC())})";
field.Append(", ").Append(parent.DbField);
if (index >= 0) field.Append(" as").Append(++index);
else if (index == ReadAnonymousFieldAsCsName && string.IsNullOrEmpty(parent.CsName) == false) field.Append(" ").Append(parent.CsName);
return false;
case ExpressionType.Convert: return ReadAnonymousField(_tables, field, parent, ref index, (exp as UnaryExpression)?.Operand, getSelectGroupingMapString, whereCascadeExpression, isAllDtoMap);
case ExpressionType.Constant:
@ -54,6 +56,7 @@ namespace FreeSql.Internal
parent.DbField = _common.FormatSql("{0}", constExp?.Value);
field.Append(", ").Append(parent.DbField);
if (index >= 0) field.Append(" as").Append(++index);
else if (index == ReadAnonymousFieldAsCsName && string.IsNullOrEmpty(parent.CsName) == false) field.Append(" ").Append(parent.CsName);
return false;
case ExpressionType.Call:
var callExp = exp as MethodCallExpression;
@ -70,6 +73,7 @@ namespace FreeSql.Internal
parent.DbField = ExpressionLambdaToSql(exp, getTSC());
field.Append(", ").Append(parent.DbField);
if (index >= 0) field.Append(" as").Append(++index);
else if (index == ReadAnonymousFieldAsCsName && string.IsNullOrEmpty(parent.CsName) == false) field.Append(" ").Append(parent.CsName);
return false;
case ExpressionType.Parameter:
case ExpressionType.MemberAccess:
@ -102,6 +106,7 @@ namespace FreeSql.Internal
parent.DbField = ExpressionLambdaToSql(exp, getTSC());
field.Append(", ").Append(parent.DbField);
if (index >= 0) field.Append(" as").Append(++index);
else if (index == ReadAnonymousFieldAsCsName && string.IsNullOrEmpty(parent.CsName) == false) field.Append(" ").Append(parent.CsName);
parent.MapType = SearchColumnByField(_tables, null, parent.DbField)?.Attribute.MapType ?? exp.Type;
return false;
}
@ -219,6 +224,7 @@ namespace FreeSql.Internal
parent.DbField = $"({ExpressionLambdaToSql(exp, getTSC())})";
field.Append(", ").Append(parent.DbField);
if (index >= 0) field.Append(" as").Append(++index);
else if (index == ReadAnonymousFieldAsCsName && string.IsNullOrEmpty(parent.CsName) == false) field.Append(" ").Append(parent.CsName);
return false;
}
public object ReadAnonymous(ReadAnonymousTypeInfo parent, DbDataReader dr, ref int index, bool notRead, ReadAnonymousDbValueRef dbValue)

8
FreeSql/Internal/CommonProvider/SelectProvider/Select0Provider.cs
View File

@ -525,11 +525,11 @@ namespace FreeSql.Internal.CommonProvider
return ToListMrPrivate<TReturn>(sql, af, otherData);
}
protected List<TReturn> ToListMapReader<TReturn>((ReadAnonymousTypeInfo map, string field) af) => ToListMapReaderPrivate<TReturn>(af, null);
protected (ReadAnonymousTypeInfo map, string field) GetExpressionField(Expression newexp)
protected (ReadAnonymousTypeInfo map, string field) GetExpressionField(Expression newexp, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
var map = new ReadAnonymousTypeInfo();
var field = new StringBuilder();
var index = 0;
var index = fieldAlias == FieldAliasOptions.AsProperty ? CommonExpression.ReadAnonymousFieldAsCsName : 0;
_commonExpression.ReadAnonymousField(_tables, field, map, ref index, newexp, null, _whereCascadeExpression, true);
return (map, field.Length > 0 ? field.Remove(0, 2).ToString() : null);
@ -1059,9 +1059,9 @@ namespace FreeSql.Internal.CommonProvider
protected TSelect InternalOrderByDescending(Expression column) => this.OrderBy($"{_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, column, true, null)} DESC");
protected List<TReturn> InternalToList<TReturn>(Expression select) => this.ToListMapReader<TReturn>(this.GetExpressionField(select));
protected string InternalToSql<TReturn>(Expression select)
protected string InternalToSql<TReturn>(Expression select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
var af = this.GetExpressionField(select);
var af = this.GetExpressionField(select, fieldAlias);
return this.ToSql(af.field);
}

6
FreeSql/Internal/CommonProvider/SelectProvider/Select10Provider.cs
View File

@ -121,11 +121,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select)
string ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.LeftJoin(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
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@ -263,11 +263,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
public string ToSql<TReturn>(Expression<Func<T1, TReturn>> select)
public string ToSql<TReturn>(Expression<Func<T1, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
_tables[0].Parameter = select.Parameters[0];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
public TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, TReturn>> select)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select2Provider.cs
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@ -98,11 +98,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2>.ToSql<TReturn>(Expression<Func<T1, T2, TReturn>> select)
string ISelect<T1, T2>.ToSql<TReturn>(Expression<Func<T1, T2, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2> ISelect<T1, T2>.LeftJoin(Expression<Func<T1, T2, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select3Provider.cs
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@ -101,11 +101,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3>.ToSql<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select)
string ISelect<T1, T2, T3>.ToSql<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3> ISelect<T1, T2, T3>.LeftJoin(Expression<Func<T1, T2, T3, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select4Provider.cs
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@ -104,11 +104,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3, T4>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select)
string ISelect<T1, T2, T3, T4>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3, T4> ISelect<T1, T2, T3, T4>.LeftJoin(Expression<Func<T1, T2, T3, T4, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select5Provider.cs
View File

@ -107,11 +107,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3, T4, T5>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select)
string ISelect<T1, T2, T3, T4, T5>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3, T4, T5> ISelect<T1, T2, T3, T4, T5>.LeftJoin(Expression<Func<T1, T2, T3, T4, T5, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select6Provider.cs
View File

@ -110,11 +110,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3, T4, T5, T6>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select)
string ISelect<T1, T2, T3, T4, T5, T6>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3, T4, T5, T6> ISelect<T1, T2, T3, T4, T5, T6>.LeftJoin(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select7Provider.cs
View File

@ -113,11 +113,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3, T4, T5, T6, T7>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select)
string ISelect<T1, T2, T3, T4, T5, T6, T7>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3, T4, T5, T6, T7> ISelect<T1, T2, T3, T4, T5, T6, T7>.LeftJoin(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select8Provider.cs
View File

@ -117,11 +117,11 @@ namespace FreeSql.Internal.CommonProvider
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select)
string ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3, T4, T5, T6, T7, T8> ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.LeftJoin(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp)

6
FreeSql/Internal/CommonProvider/SelectProvider/Select9Provider.cs
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@ -117,11 +117,11 @@ namespace FreeSql.Internal.CommonProvider
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToDataTable(select?.Body);
}
string ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select)
string ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
{
if (select == null) return this.InternalToSql<TReturn>(select?.Body);
if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
for (var a = 0; a < select.Parameters.Count; a++) _tables[a].Parameter = select.Parameters[a];
return this.InternalToSql<TReturn>(select?.Body);
return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
}
ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.LeftJoin(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp)