質問編集履歴
3
実際の実装に近い形に修正
test
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File without changes
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test
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@@ -6,13 +6,15 @@
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6
6
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7
7
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```sql
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8
8
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9
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-
select p.parent_name, c.* from Parent p inner join Child c on p.
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9
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+
select p.parent_name, c.* from Parent p inner join Child c on p.parent_id= c.parent_id;
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10
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11
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```
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###entity情報
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16
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+
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+
**一部実際の実装に近い形に修正しました 12/22 09:37**
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18
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```java
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18
20
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@@ -34,7 +36,7 @@
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34
36
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@OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
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36
38
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37
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-
@JoinColumn(name = "
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39
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+
@JoinColumn(name = "parent_id", referencedColumnName = "parent_id")
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38
40
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@NotFound(action=NotFoundAction.IGNORE)
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40
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@@ -50,13 +52,13 @@
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52
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private static final long serialVersionUID = -795173904285910114L;
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52
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55
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+
@Column(name = "hoge_id")
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56
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+
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57
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+
String hogeId;
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58
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+
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53
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@Column(name = "parent_id")
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54
60
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55
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String parentId;
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56
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-
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57
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-
@Column(name = "join_id")
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58
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-
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59
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-
String joinId;
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60
62
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61
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}
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62
64
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@@ -86,7 +88,7 @@
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86
88
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87
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@ManyToOne
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88
90
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89
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-
@JoinColumn(name = "
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91
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+
@JoinColumn(name = "parent_id", referencedColumnName = "parent_id")
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90
92
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91
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private Parent parent;
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92
94
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@@ -104,9 +106,9 @@
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104
106
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105
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String childId;
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106
108
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107
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-
@Column(name = "
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109
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+
@Column(name = "parent_id")
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108
110
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109
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-
String
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111
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+
String parentId;
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110
112
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111
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}
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112
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@@ -124,7 +126,7 @@
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124
126
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125
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上記の状態で、起動すると下記のエラーが出ます。
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126
128
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127
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-
> Caused by: org.hibernate.AnnotationException: referencedColumnNames(
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129
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+
> Caused by: org.hibernate.AnnotationException: referencedColumnNames(parent_id) of xx.xx.xxx.Child.parent referencing xx.xx.xxx.Parent not mapped to a single property
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128
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129
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130
132
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2
test
CHANGED
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File without changes
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test
CHANGED
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@@ -2,7 +2,7 @@
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2
2
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3
3
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下記のようなjoinをjpaで実現したいです。
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4
4
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5
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-
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5
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+
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6
6
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7
7
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```sql
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8
8
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1
test
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File without changes
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test
CHANGED
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@@ -1,6 +1,8 @@
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1
1
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###前提・実現したいこと
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2
2
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3
3
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下記のようなjoinをjpaで実現したいです。
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4
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+
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5
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+
annotationの定義だけでは無理なのでhqlを記述する予定ですが、その前に起動しません。
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4
6
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5
7
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```sql
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6
8
|
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