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- 处理 PgArrayToMany AsSelect 子查询 #1145

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2881099 2022-06-06 13:36:18 +08:00
parent 50a8d979a5
commit a50c14e77a
2 changed files with 153 additions and 133 deletions
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6
FreeSql.DbContext/DbSet/DbSetSync.cs
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@ -862,6 +862,12 @@ namespace FreeSql
} }
} }
var atms = navs.Where(a => a.Item1.RefType == TableRefType.PgArrayToMany).ToList();
if (atms.Any())
{
}
if (dbset == rootDbSet) if (dbset == rootDbSet)
{ {
if (CanRemove(data, true) == false) return; if (CanRemove(data, true) == false) return;

24
FreeSql/Internal/CommonExpression.cs
View File

@ -1195,20 +1195,33 @@ namespace FreeSql.Internal
if (fsql != null) if (fsql != null)
{ {
if (asSelectParentExp != null) if (asSelectParentExp != null)
{ //执行 AsSelect() 的关联，OneToMany，ManyToMany {
//执行 AsSelect() 的关联，OneToMany，ManyToMany，PgArrayToMany
if (fsqltables[0].Parameter == null) if (fsqltables[0].Parameter == null)
{ {
fsqltables[0].Alias = $"tb_{fsqltables.Count}"; fsqltables[0].Alias = $"tb_{fsqltables.Count}";
fsqltables[0].Parameter = Expression.Parameter(asSelectEntityType, fsqltables[0].Alias); fsqltables[0].Parameter = Expression.Parameter(asSelectEntityType, fsqltables[0].Alias);
} }
var fsqlWhere = _dicExpressionLambdaToSqlAsSelectWhereMethodInfo.GetOrAdd(asSelectEntityType, asSelectEntityType3 =>
typeof(ISelect<>).MakeGenericType(asSelectEntityType3).GetMethod("Where", new[] {
typeof(Expression<>).MakeGenericType(typeof(Func<,>).MakeGenericType(asSelectEntityType3, typeof(bool)))
}));
var parm123Tb = _common.GetTableByEntity(asSelectParentExp.Type); var parm123Tb = _common.GetTableByEntity(asSelectParentExp.Type);
var parm123Ref = parm123Tb.GetTableRef(asSelectParentExp1.Member.Name, true); var parm123Ref = parm123Tb.GetTableRef(asSelectParentExp1.Member.Name, true);
if (parm123Ref != null) if (parm123Ref != null)
{ {
if (parm123Ref.RefType == TableRefType.PgArrayToMany)
{
var amtReftbname = ExpressionLambdaToSql(Expression.MakeMemberAccess(asSelectParentExp, parm123Tb.Properties[parm123Tb.ColumnsByPosition[0].CsName]), tsc);
amtReftbname = amtReftbname.Substring(0, amtReftbname.Length - _common.QuoteSqlName(parm123Tb.ColumnsByPosition[0].Attribute.Name).Length - 1);
if (parm123Ref.RefColumns[0] == fsqltables[0].Table.Primarys[0])
(fsql as Select0Provider)._where.Append(" AND (").Append($"{amtReftbname}.{_common.QuoteSqlName(parm123Ref.Columns[0].Attribute.Name)} @> {fsqltables[0].Alias}.{_common.QuoteSqlName(parm123Ref.RefColumns[0].Attribute.Name)}").Append(")");
else if (parm123Ref.Columns[0] == fsqltables[0].Table.Primarys[0])
(fsql as Select0Provider)._where.Append(" AND (").Append($"{amtReftbname}.{_common.QuoteSqlName(parm123Ref.RefColumns[0].Attribute.Name)} @> {fsqltables[0].Alias}.{_common.QuoteSqlName(parm123Ref.Columns[0].Attribute.Name)}").Append(")");
}
else
{
var fsqlWhere = _dicExpressionLambdaToSqlAsSelectWhereMethodInfo.GetOrAdd(asSelectEntityType, asSelectEntityType3 =>
typeof(ISelect<>).MakeGenericType(asSelectEntityType3).GetMethod("Where", new[] {
typeof(Expression<>).MakeGenericType(typeof(Func<,>).MakeGenericType(asSelectEntityType3, typeof(bool)))
}));
var fsqlWhereParam = fsqltables.First().Parameter; //Expression.Parameter(asSelectEntityType); var fsqlWhereParam = fsqltables.First().Parameter; //Expression.Parameter(asSelectEntityType);
Expression fsqlWhereExp = null; Expression fsqlWhereExp = null;
if (parm123Ref.RefType == TableRefType.ManyToMany) if (parm123Ref.RefType == TableRefType.ManyToMany)
@ -1353,6 +1366,7 @@ namespace FreeSql.Internal
fsqlWhere.Invoke(fsql, new object[] { Expression.Lambda(fsqlWhereExp, fsqlWhereParam) }); fsqlWhere.Invoke(fsql, new object[] { Expression.Lambda(fsqlWhereExp, fsqlWhereParam) });
} }
} }
}
asSelectBefores.Clear(); asSelectBefores.Clear();
switch (exp3.Method.Name) switch (exp3.Method.Name)