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- ZeroDbContext 补充 WhereIf；

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This commit is contained in:
2881099
2025-04-20 16:45:29 +08:00
parent 8c5f3679ad
commit 4ea657d12e
1 changed files with 38 additions and 9 deletions
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47
Extensions/FreeSql.Extensions.ZeroEntity/ZeroDbContext.SelectImpl.cs
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@@ -589,26 +589,37 @@ namespace FreeSql.Extensions.ZeroEntity
/// WHERE [field] IN (...)
/// </summary>
public SelectImpl WhereIn(string field, object value) => Where(field, "in", value);
public SelectImpl WhereInIf(bool condition, string field, object value) => condition ? Where(field, "in", value) : this;
/// <summary>
/// WHERE [field] NOT IN (...)
/// </summary>
public SelectImpl WhereNotIn(string field, object value) => Where(field, "!in", value);
public SelectImpl WhereNotInIf(bool condition, string field, object value) => condition ? Where(field, "!in", value) : this;
/// <summary>
/// Where(new { Year = 2017, CategoryId = 198, IsPublished = true })<para></para>
/// WHERE [Year] = 2017 AND [CategoryId] = 198 AND [IsPublished] = 1
/// 匿名对象：Where(new { Year = 2017, CategoryId = 198, IsPublished = true })<para></para>
/// 字典对象：Where(new Dictionary&lt;string, object&gt; { ["Year"] = 2017, ["CategoryId"] = 198, ["IsPublished"] = true })<para></para>
/// WHERE [Year] = 2017 AND [CategoryId] = 198 AND [IsPublished] = 1<para></para>
/// </summary>
public SelectImpl Where(object multipleFields)
public SelectImpl WhereDynamic(object dywhere)
{
if (multipleFields == null) return this;
foreach (var prop in multipleFields.GetType().GetProperties())
WhereDynamicFilter(new DynamicFilterInfo { Field = prop.Name, Operator = DynamicFilterOperator.Eq, Value = prop.GetValue(multipleFields, null) });
if (dywhere == null) return this;
if (dywhere is Dictionary<string, object> dict)
{
foreach(var kv in dict)
WhereDynamicFilter(new DynamicFilterInfo { Field = kv.Key, Operator = DynamicFilterOperator.Eq, Value = kv.Value });
return this;
}
foreach (var prop in dywhere.GetType().GetProperties())
WhereDynamicFilter(new DynamicFilterInfo { Field = prop.Name, Operator = DynamicFilterOperator.Eq, Value = prop.GetValue(dywhere, null) });
return this;
}
public SelectImpl WhereDynamicIf(bool condition, object dywhere) => condition ? WhereDynamic(dywhere) : this;
/// <summary>
/// WHERE [field] = ..<para></para>
/// 更全请看重载 Where(string field, string @operator, object value)
/// </summary>
public SelectImpl Where(string field, object value) => WhereDynamicFilter(new DynamicFilterInfo { Field = field, Operator = DynamicFilterOperator.Eq, Value = value });
public SelectImpl WhereIf(bool condition, string field, object value) => condition ? Where(field, value) : this;
/// <summary>
/// WHERE [field] <para></para>
/// !=、&gt;、&gt;=、&lt;、&lt;=、like、!like、in、!in<para></para>
@@ -652,8 +663,18 @@ namespace FreeSql.Extensions.ZeroEntity
return WhereDynamicFilter(new DynamicFilterInfo { Field = field, Operator = DynamicFilterOperator.NotAny, Value = value });
}
throw new Exception($"未实现 {@operator}");
}
public SelectImpl WhereColumns(string field1, string @operator, string field2)
}
public SelectImpl WhereIf(bool condition, string field, string @operator, object value) => condition ? Where(field, @operator, value) : this;
/// <summary>
/// WHERE 字段与字段
/// </summary>
/// <param name="field1"></param>
/// <param name="operator"></param>
/// <param name="field2"></param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public SelectImpl WhereColumns(string field1, string @operator, string field2)
{
var field1Result = ParseField(null, null, field1);
if (field1Result == null) throw new Exception($"未匹配字段名 {field1}");
@@ -685,7 +706,8 @@ namespace FreeSql.Extensions.ZeroEntity
}
throw new Exception($"未实现 {@operator}");
}
public SelectImpl WhereDynamicFilter(DynamicFilterInfo filter)
public SelectImpl WhereColumnsIf(bool condition, string field, string @operator, string field2) => condition ? WhereColumns(field, @operator, field2) : this;
public SelectImpl WhereDynamicFilter(DynamicFilterInfo filter)
{
var sql = ParseDynamicFilter(filter);
_selectProvider._where.Append(sql);
@@ -778,8 +800,15 @@ namespace FreeSql.Extensions.ZeroEntity
_selectProvider._where.Append($" AND {(notExists ? "NOT " : "")}EXISTS({query.ToSql("1").Replace(" \r\n", " \r\n ")})");
return this;
}
/// <summary>
/// WHERE exists(select ...)
/// </summary>
/// <param name="q"></param>
/// <returns></returns>
public SelectImpl WhereExists(Func<SubQuery, SelectImpl> q) => WhereExists(q, false);
public SelectImpl WhereExistsIf(bool condition, Func<SubQuery, SelectImpl> q) => condition ? WhereExists(q, false) : this;
public SelectImpl WhereNotExists(Func<SubQuery, SelectImpl> q) => WhereExists(q, true);
public SelectImpl WhereNotExistsIf(bool condition, Func<SubQuery, SelectImpl> q) => condition ? WhereExists(q, true) : this;
public SelectImpl GroupByRaw(string sql)
{
if (string.IsNullOrWhiteSpace(sql)) return this;