【发布时间】:2019-11-08 20:29:39
【问题描述】:
model.json文件中如何表示scheme(https),这个是用来连接Elasticsearch的?
以下是model.js文件:
{
"version": "1.0",
"defaultSchema": "elasticsearch",
"schemas": [
{
"type": "custom",
"name": "elasticsearch",
"factory": "org.apache.calcite.adapter.elasticsearch.ElasticsearchSchemaFactory",
"operand": {
"coordinates": "{'127.0.0.1': 9200}",
"index": "myIndex",
"useConig": "{}"
}
}
]
}
在以下 JAVA 代码中,我尝试连接到 Elasticsearch:
Connection conn = DriverManager.getConnection("jdbc:calcite:", properties);
calciteConnection = conn.unwrap(CalciteConnection.class);
String elasticSchema = Resources.toString(somefile.class.getResource("/model.json"), Charset.defaultCharset());
new ModelHandler(calciteConnection, "inline:" + elasticSchema);
String sql = “select field1 from table1”
statement2 = calciteConnection.prepareStatement(sql);
ResultSet set = statement2.executeQuery();
获取连接关闭异常,我可以在日志中看到它试图连接到 http 而不是 https(期望)。我在模型文件的什么地方提到了 https?
【问题讨论】:
标签: elasticsearch apache-calcite