質問編集履歴
3
書式の改善
test
CHANGED
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@@ -1 +1 @@
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1
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-
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laravel 複合主キーを設定したい
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test
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@@ -1 +1,27 @@
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1
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該当マイグレーションファイル
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```
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public function up()
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{
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Schema::create('followers', function(Blueprint $table) {
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$table->integer('following_user_id')->unsigned();
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$table->integer('followed_user_id')->unsigned();
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$table->timestamps();
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$table->foreign('following_user_id')->references('id')->on('users');
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$table->foreign('followed_user_id')->references('id')->on('users');
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});
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}
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27
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```
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2
誤字
test
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@@ -1 +1 @@
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1
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-
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1
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+
自力で解決いたしました。
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test
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@@ -1,143 +1 @@
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1
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-
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2
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3
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-
下記のファイルと別のマイグレーションファイルを作り、room_idとuser_idの複合キーからunique制約に変更し、user_idをnullを許容する外部キーに変更したいと思っております。（user_idがnullになる要件が存在する）
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4
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5
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6
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7
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-
```ここに言語を入力
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8
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9
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-
public function up()
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10
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11
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{
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Schema::create('chat_users', function (Blueprint $table) {
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$table->string('room_id');
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$table->bigInteger('user_id')->unsigned();
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$table->primary(['room_id','user_id']);
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$table->foreign('room_id')->references('id')->on('chat_rooms')->onDelete('cascade');
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$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
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});
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}
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/**
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* Reverse the migrations.
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*
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* @return void
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*/
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public function down()
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-
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{
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Schema::dropIfExists('chat_users');
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}
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```
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新たに作成したマイグレーションファイル
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```ここに言語を入力
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-
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61
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public function up()
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{
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//実行順序
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//change
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//add
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//その他(drop、foreign、dropForeign、primary、dropPrimaryなど)
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Schema::table('chat_user', function (Blueprint $table) {
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$table->dropPrimary();
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});
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Schema::table('chat_user', function (Blueprint $table) {
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$table->unsignedBigInteger('user_id')->nullable()->change();
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$table->unique(['room_id', 'user_id']);
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});
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}
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95
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/**
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* Reverse the migrations.
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*
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* @return void
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*/
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104
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105
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public function down()
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106
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{
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Schema::table('chat_user', function (Blueprint $table) {
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$table->bigInteger('user_id')->nullable(false)->unsigned()->change();
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$table->primary(['room_id', 'user_id']);
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$table->dropUnique('chat_user_room_id_unique');
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$table->dropUnique('chat_user_user_id_unique');
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});
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120
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}
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122
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-
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```
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124
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-
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125
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126
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127
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実行時に下記のエラー
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128
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-
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129
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-
```ここに言語を入力
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130
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-
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131
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SQLSTATE[HY000]: General error: 1025 Error on rename of './homestead/#sql-679_c3f' to './homestead/chat_user' (errno: 150 - Foreign key constraint is incorrectly formed) (SQL: alter table `chat_user` drop primary key)
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132
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-
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133
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-
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134
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135
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```
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136
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137
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138
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139
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140
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141
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-
どなたかヒントいただけると幸いです。
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142
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-
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|
143
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-
よろしくお願いいたします。
|
|
1
|
+
laravelのマイグレーションファイルについての質問でしたが解決済み。
|
1
情報追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -54,6 +54,90 @@
|
|
|
54
54
|
|
|
55
55
|
|
|
56
56
|
|
|
57
|
+
新たに作成したマイグレーションファイル
|
|
58
|
+
|
|
59
|
+
```ここに言語を入力
|
|
60
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+
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|
61
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+
public function up()
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|
62
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+
|
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63
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+
{
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64
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+
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65
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+
//実行順序
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66
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+
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67
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+
//change
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68
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+
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69
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+
//add
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70
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+
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71
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+
//その他(drop、foreign、dropForeign、primary、dropPrimaryなど)
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72
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+
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73
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+
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74
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+
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75
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+
Schema::table('chat_user', function (Blueprint $table) {
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76
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77
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$table->dropPrimary();
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78
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79
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});
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80
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+
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81
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82
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83
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Schema::table('chat_user', function (Blueprint $table) {
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84
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85
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$table->unsignedBigInteger('user_id')->nullable()->change();
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86
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+
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87
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$table->unique(['room_id', 'user_id']);
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88
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+
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89
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+
});
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90
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+
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91
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+
}
|
|
92
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+
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|
93
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+
|
|
94
|
+
|
|
95
|
+
/**
|
|
96
|
+
|
|
97
|
+
* Reverse the migrations.
|
|
98
|
+
|
|
99
|
+
*
|
|
100
|
+
|
|
101
|
+
* @return void
|
|
102
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+
|
|
103
|
+
*/
|
|
104
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+
|
|
105
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+
public function down()
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|
106
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+
|
|
107
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+
{
|
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108
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+
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109
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+
Schema::table('chat_user', function (Blueprint $table) {
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110
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+
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111
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+
$table->bigInteger('user_id')->nullable(false)->unsigned()->change();
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112
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+
|
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113
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+
$table->primary(['room_id', 'user_id']);
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114
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+
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115
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+
$table->dropUnique('chat_user_room_id_unique');
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116
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+
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117
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+
$table->dropUnique('chat_user_user_id_unique');
|
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118
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+
|
|
119
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+
});
|
|
120
|
+
|
|
121
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+
}
|
|
122
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+
|
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123
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+
```
|
|
124
|
+
|
|
125
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+
|
|
126
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+
|
|
127
|
+
実行時に下記のエラー
|
|
128
|
+
|
|
129
|
+
```ここに言語を入力
|
|
130
|
+
|
|
131
|
+
SQLSTATE[HY000]: General error: 1025 Error on rename of './homestead/#sql-679_c3f' to './homestead/chat_user' (errno: 150 - Foreign key constraint is incorrectly formed) (SQL: alter table `chat_user` drop primary key)
|
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132
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+
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133
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+
|
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134
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+
|
|
135
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+
```
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136
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+
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137
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+
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138
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+
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139
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+
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140
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+
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57
141
|
どなたかヒントいただけると幸いです。
|
|
58
142
|
|
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59
143
|
よろしくお願いいたします。
|