質問編集履歴
1
再現に必要なテーブルを作成するためのSQLを追加しました
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File without changes
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@@ -38,4 +38,105 @@
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38
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結果、先ほどと変わらずuser_dataのフルスキャンが走る形となっております。
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可能であればuser_dataの値を変えたりすることなくインデックスを効かせ
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レスポンスを改善させたいのですが、何か方法はございますでしょうか。
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レスポンスを改善させたいのですが、何か方法はございますでしょうか。
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42
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43
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不要な情報を全て削ったabc_data,user_dataを作成するSQLは下記になります。
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こちらで上述のSQLを実行した際にuser_dataのabc_codeのインデックスを使用し検索が実行したい、という要望になります。
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```Mysql
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46
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CREATE TABLE `abc_data` (
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`rowid` int(11) NOT NULL AUTO_INCREMENT,
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`abc_code` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT '',
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PRIMARY KEY (`rowid`) USING BTREE,
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50
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INDEX `abc_code`(`abc_code`) USING BTREE
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) ENGINE = MyISAM AUTO_INCREMENT = 7820 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_bin ROW_FORMAT = Dynamic;
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52
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INSERT INTO `abc_data` VALUES (1, 'ABCD');
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INSERT INTO `abc_data` VALUES (2, 'EFGH');
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INSERT INTO `abc_data` VALUES (3, 'SETH');
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56
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INSERT INTO `abc_data` VALUES (4, 'EYUK');
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57
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INSERT INTO `abc_data` VALUES (5, 'ROPN');
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58
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INSERT INTO `abc_data` VALUES (6, 'SEKB');
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INSERT INTO `abc_data` VALUES (7, 'HORP');
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INSERT INTO `abc_data` VALUES (8, 'XKEM');
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INSERT INTO `abc_data` VALUES (9, 'EOIF');
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62
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INSERT INTO `abc_data` VALUES (10, 'EMSO');
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```
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```Mysql
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CREATE TABLE `user_data` (
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`userid` int(11) NOT NULL AUTO_INCREMENT,
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`abc_code` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '',
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PRIMARY KEY (`userid`) USING BTREE,
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69
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INDEX `abc_code`(`abc_code`) USING BTREE
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) ENGINE = InnoDB AUTO_INCREMENT = 100400622 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
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INSERT INTO `user_data` VALUES (1, '');
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INSERT INTO `user_data` VALUES (2, '');
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INSERT INTO `user_data` VALUES (3, '');
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INSERT INTO `user_data` VALUES (4, '');
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INSERT INTO `user_data` VALUES (5, '');
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INSERT INTO `user_data` VALUES (6, '');
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INSERT INTO `user_data` VALUES (7, '');
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INSERT INTO `user_data` VALUES (8, '');
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INSERT INTO `user_data` VALUES (9, '');
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INSERT INTO `user_data` VALUES (10, '');
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INSERT INTO `user_data` VALUES (11, '');
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INSERT INTO `user_data` VALUES (12, '');
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INSERT INTO `user_data` VALUES (13, '');
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INSERT INTO `user_data` VALUES (14, '');
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INSERT INTO `user_data` VALUES (15, '');
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INSERT INTO `user_data` VALUES (16, '');
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INSERT INTO `user_data` VALUES (17, '');
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INSERT INTO `user_data` VALUES (18, '');
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INSERT INTO `user_data` VALUES (19, '');
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INSERT INTO `user_data` VALUES (20, '');
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INSERT INTO `user_data` VALUES (21, '');
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INSERT INTO `user_data` VALUES (22, '');
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INSERT INTO `user_data` VALUES (23, '');
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INSERT INTO `user_data` VALUES (24, '');
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INSERT INTO `user_data` VALUES (25, '');
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INSERT INTO `user_data` VALUES (26, '');
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INSERT INTO `user_data` VALUES (27, '');
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INSERT INTO `user_data` VALUES (28, '');
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INSERT INTO `user_data` VALUES (29, '');
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INSERT INTO `user_data` VALUES (30, '');
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INSERT INTO `user_data` VALUES (31, '');
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INSERT INTO `user_data` VALUES (32, '');
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104
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INSERT INTO `user_data` VALUES (33, '');
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105
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INSERT INTO `user_data` VALUES (34, '');
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INSERT INTO `user_data` VALUES (35, '');
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INSERT INTO `user_data` VALUES (36, '');
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INSERT INTO `user_data` VALUES (37, '');
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INSERT INTO `user_data` VALUES (38, '');
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INSERT INTO `user_data` VALUES (39, '');
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INSERT INTO `user_data` VALUES (40, '');
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INSERT INTO `user_data` VALUES (41, '');
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INSERT INTO `user_data` VALUES (42, '');
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INSERT INTO `user_data` VALUES (43, '');
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INSERT INTO `user_data` VALUES (44, '');
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INSERT INTO `user_data` VALUES (45, '');
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INSERT INTO `user_data` VALUES (46, '');
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INSERT INTO `user_data` VALUES (47, '');
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INSERT INTO `user_data` VALUES (48, '');
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INSERT INTO `user_data` VALUES (49, '');
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INSERT INTO `user_data` VALUES (50, '');
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INSERT INTO `user_data` VALUES (51, '');
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INSERT INTO `user_data` VALUES (52, '');
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INSERT INTO `user_data` VALUES (53, '');
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INSERT INTO `user_data` VALUES (54, '');
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INSERT INTO `user_data` VALUES (55, '');
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INSERT INTO `user_data` VALUES (56, '');
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INSERT INTO `user_data` VALUES (57, '');
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INSERT INTO `user_data` VALUES (58, '');
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INSERT INTO `user_data` VALUES (59, '');
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INSERT INTO `user_data` VALUES (60, '');
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INSERT INTO `user_data` VALUES (61, '');
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INSERT INTO `user_data` VALUES (62, '');
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INSERT INTO `user_data` VALUES (63, '');
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INSERT INTO `user_data` VALUES (64, '');
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INSERT INTO `user_data` VALUES (65, '');
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INSERT INTO `user_data` VALUES (66, '');
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INSERT INTO `user_data` VALUES (67, 'DKEO');
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INSERT INTO `user_data` VALUES (70, 'DKEO');
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INSERT INTO `user_data` VALUES (68, 'EMSK');
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INSERT INTO `user_data` VALUES (69, 'LOES');
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```
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