weiai/FreeSql
1
0
Fork 0
mirror of https://github.com/dotnetcore/FreeSql.git synced 2026-02-18 06:10:56 +08:00
Code Issues Packages Projects Releases Wiki Activity

- 补充 ZeroDbContext Where 查询方法；

Browse Source
This commit is contained in:
2881099
2025-04-20 16:30:47 +08:00
parent ed967350ec
commit 8c5f3679ad
1 changed files with 49 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
Extensions/FreeSql.Extensions.ZeroEntity/ZeroDbContext.SelectImpl.cs
View File

@@ -586,6 +586,14 @@ namespace FreeSql.Extensions.ZeroEntity
return this; return this;
} }
/// <summary> /// <summary>
/// WHERE [field] IN (...)
/// </summary>
public SelectImpl WhereIn(string field, object value) => Where(field, "in", value);
/// <summary>
/// WHERE [field] NOT IN (...)
/// </summary>
public SelectImpl WhereNotIn(string field, object value) => Where(field, "!in", value);
/// <summary>
/// Where(new { Year = 2017, CategoryId = 198, IsPublished = true })<para></para> /// Where(new { Year = 2017, CategoryId = 198, IsPublished = true })<para></para>
/// WHERE [Year] = 2017 AND [CategoryId] = 198 AND [IsPublished] = 1 /// WHERE [Year] = 2017 AND [CategoryId] = 198 AND [IsPublished] = 1
/// </summary> /// </summary>
@@ -597,9 +605,19 @@ namespace FreeSql.Extensions.ZeroEntity
return this; return this;
} }
/// <summary> /// <summary>
/// WHERE [field] = .. /// WHERE [field] = ..<para></para>
/// 更全请看重载 Where(string field, string @operator, object value)
/// </summary> /// </summary>
public SelectImpl Where(string field, object value) => WhereDynamicFilter(new DynamicFilterInfo { Field = field, Operator = DynamicFilterOperator.Eq, Value = value }); public SelectImpl Where(string field, object value) => WhereDynamicFilter(new DynamicFilterInfo { Field = field, Operator = DynamicFilterOperator.Eq, Value = value });
/// <summary>
/// WHERE [field] <para></para>
/// !=、&gt;、&gt;=、&lt;、&lt;=、like、!like、in、!in<para></para>
/// </summary>
/// <param name="field"></param>
/// <param name="operator"></param>
/// <param name="value"></param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public SelectImpl Where(string field, string @operator, object value) public SelectImpl Where(string field, string @operator, object value)
{ {
switch (@operator?.ToLower().Trim()) switch (@operator?.ToLower().Trim())
@@ -631,7 +649,7 @@ namespace FreeSql.Extensions.ZeroEntity
case "!in": case "!in":
case "notin": case "notin":
case "not in": case "not in":
return WhereDynamicFilter(new DynamicFilterInfo { Field = field, Operator = DynamicFilterOperator.Any, Value = value }); return WhereDynamicFilter(new DynamicFilterInfo { Field = field, Operator = DynamicFilterOperator.NotAny, Value = value });
} }
throw new Exception($"未实现 {@operator}"); throw new Exception($"未实现 {@operator}");
} }
@@ -741,7 +759,7 @@ namespace FreeSql.Extensions.ZeroEntity
return query; return query;
} }
} }
public SelectImpl WhereExists(Func<SubQuery, SelectImpl> q) SelectImpl WhereExists(Func<SubQuery, SelectImpl> q, bool notExists)
{ {
var query = q?.Invoke(new SubQuery { _parentQuery = this }); var query = q?.Invoke(new SubQuery { _parentQuery = this });
switch (_orm.Ado.DataType) switch (_orm.Ado.DataType)
@@ -757,9 +775,11 @@ namespace FreeSql.Extensions.ZeroEntity
query.Limit(1); //#462 ORACLE rownum <= 2 会影响索引变慢 query.Limit(1); //#462 ORACLE rownum <= 2 会影响索引变慢
break; break;
} }
_selectProvider._where.Append($" AND EXISTS({query.ToSql("1").Replace(" \r\n", " \r\n ")})"); _selectProvider._where.Append($" AND {(notExists ? "NOT " : "")}EXISTS({query.ToSql("1").Replace(" \r\n", " \r\n ")})");
return this; return this;
} }
public SelectImpl WhereExists(Func<SubQuery, SelectImpl> q) => WhereExists(q, false);
public SelectImpl WhereNotExists(Func<SubQuery, SelectImpl> q) => WhereExists(q, true);
public SelectImpl GroupByRaw(string sql) public SelectImpl GroupByRaw(string sql)
{ {
if (string.IsNullOrWhiteSpace(sql)) return this; if (string.IsNullOrWhiteSpace(sql)) return this;