如果可能的话,升级并查看9.3 json function文档。如果不可能升级,我会用一个类似我之前发布的php代码...
Hashtable hash = new Hashtable(); hash.Add("psncode", psncode); ArrayList a = new ArrayList(10); a.Add(hash); //JsonConvert必须需要导入Newtonsoft.Json引用 string str = HttpUtils.PostWebReq(@"http://157.45.47.1:6666/service/psntrn", JsonConvert.SerializeObject(a)); string splitStr = ...
CREATETABLEusers(idSERIALPRIMARYKEY,dataJSON); 1. 2. 3. 4. 将User 对象转换为 JSON 格式并插入到数据库中的代码示例: importcom.fasterxml.jackson.databind.ObjectMapper;importjava.sql.Connection;importjava.sql.PreparedStatement;publicvoidinsertUser(Connectionconn,Useruser)throwsException{ObjectMapperobjectMapper...
When I ran your sample on my db table I got; raise TypeError(repr(o) + " is not JSON serializable")TypeError: datetime.date(2014, 3, 24) is not JSON serializable Peter Bengtsson November 14, 2015 Reply You need to take care of things like datetime.date. E.g. http://stackoverflo...
GRANT USAGE ON SCHEMA sample TO app_user; GRANT ALL ON SEQUENCE sample.customer_customer_id_seq TO app_user; GRANT SELECT, UPDATE, INSERT, DELETE ON TABLE sample.customer TO app_user; END; $$; 项目结构 首先看一下项目结构很有用:
Postgres WeeklyConvert JSON into Columns and Rows with JSON_TABLE— New Postgres 17 feature alert! JSON_TABLE is a function that lets you query JSON data and get results in a typical, relational view. Paul shows us a practical use case. Paul Ramsey ...
Introduced function JSON_TABLE () to convert JSON data to a table representation CREATE TABLE my_films ( js jsonb );INSERT INTO my_films VALUES ('{ "favorites" : [ { "kind" : "horror", "films" : [ { "title" : "Psycho", "director" : "Alfred Hitchcock" } ] }] }');SELECT...
SELECT pg_create_logical_replication_slot('airbyte_slot', 'pgoutput'); The output of this command will include the name of the replication slot to fill into the Airbyte source setup page.Step 5: Create publication and replication identities for each Postgres tableFor...
首先将JSON数据转换为字典,然后将字典传递给插入函数。 代码语言:txt 复制 json_data = '{"key1": "value1", "key2": "value2"}' data_dict = convert_json_to_dict(json_data) insert_data_to_postgres(data_dict) 这样,你就可以通过Python将JSON数据传输到PostgreSQL数据库了。 对于腾讯云相关产品和...
*/ if (eflags & EXEC_FLAG_EXPLAIN_ONLY) return; /* Fetch options of foreign table */ fileGetOptions(RelationGetRelid(node->ss.ss_currentRelation), &filename, &is_program, &options); /* Add any options from the plan (currently only convert_selectively) */ options = list_concat(options...