回答編集履歴
2
mysqlを使って自前のPromiseで処理するとすると...
test
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@@ -93,3 +93,73 @@
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})();
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```
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96
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最後に上のサンプルをmysqlを使って自前のPromiseで処理するとすると...
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100
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101
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```javascript
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102
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103
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const mysql = require('mysql');
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104
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105
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106
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107
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async function mysql_createConnection(option) {
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108
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109
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return Promise.resolve(mysql.createConnection(option));
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110
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111
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}
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112
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113
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114
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115
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async function connection_query(connection, query) {
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116
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117
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return new Promise((resolve, reject) => {
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118
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119
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connection.query(query, (error, results, fields) => {
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120
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121
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if (error) {
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122
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123
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reject(error);
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124
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125
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} else {
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126
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resolve(results);
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128
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}
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130
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});
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132
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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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(async () => {
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140
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141
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const connection = await mysql_createConnection({
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142
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host: 'localhost',
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144
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user: 'homestead',
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146
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database: 'homestead',
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148
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password: 'secret',
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150
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151
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port: '13306'
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152
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});
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154
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155
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156
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const rows = await connection_query(connection, `SELECT * FROM item;`);
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158
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console.log(rows);
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160
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connection.end();
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162
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163
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})();
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164
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165
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```
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1
一応promise-mysqlのサンプルも書いときました。
test
CHANGED
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@@ -55,3 +55,41 @@
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55
55
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});
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56
56
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```
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58
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59
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60
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61
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一応promise-mysqlのサンプルも書いときました。
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62
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63
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```javascript
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64
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65
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const mysql = require('promise-mysql');
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66
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67
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68
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69
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(async () => {
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70
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71
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const connection = await mysql.createConnection({
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72
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host: 'localhost',
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75
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user: 'homestead',
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76
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database: 'homestead',
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78
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79
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password: 'secret',
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80
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81
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port: '13306'
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82
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83
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});
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84
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85
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86
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87
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const rows = await connection.query(`SELECT * FROM item;`);
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88
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89
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console.log(rows);
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90
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91
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connection.end();
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92
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93
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})();
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94
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95
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```
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