JSON_SET(json_doc, path, val[, path, val] …) JSON_INSERT(json_doc, path, val[, path, val] …) JSON_REPLACE(json_doc, path, val[, path, val] …) 1. 2. 3. 8、函数JSON_SET() :将数据插入JSON格式中,有key则替换,无key则新增 这也是我们开发过程中经常会用到的一个函数 用法:JSO...
jsonb_set---{"age":"28","name":"bob"} (1row) postgres=#selectjsonb_set('{"name":"bob","age":"27"}'::jsonb,'{age}','"28"'::jsonb,true); jsonb_set---{"age":"28","name":"bob"} (1row) postgres=#selectjsonb_set('{"name":"bob","age":"27"}'::jsonb,'{sex...
解释:jsonb_set(target jsonb, path text[], new_value jsonb [, create_missing boolean])四个参数的含义 target:原json数据 path:新json数据期望在原json数据中的路径,不存在则新增,存在则修改,如{a,a} 第一个a表示原数据第一层key-a,第二个a表示原数据第二次key-a new_value 期望插入/更新的json...
mydb=# ALTER TABLE birthday ALTER COLUMN dob SET DATA TYPE integer USING dob::integer; -- 使用using从句进行显示转换 mydb=# ALTER TABLE birthday ALTER COLUMN dob SET DATA TYPE integer USING dob::integer; ALTER TABLE mydb=# \dS birthday Table "public.birthday" Column | Type | Collation |...
vmagent Running push /agent_id/4b564af7-7775-4337-86cf-950daeabb354 PMM默认没有ProxySQL的监控模板,需要我们自行下载:https://github.com/percona/grafana-dashboards/blob/master/dashboards/ProxySQL_Overview.json 下载后上传到PMM的监控界面中就可以了。 监控后的界面: About Me...
datax自定义json: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 { "job": { "content": [ { "reader": { "name": "postgresqlreader", "parameter": { "connection": [ { "jdbcUrl": ["jdbc:postgresql://ip:host/db"], "querySql": ["select a,b from table_name"], } ], "usern...
Set it to 10 if this is your first migration. --dump_as_html : Force ora2pg to dump report in HTML, used only with SHOW_REPORT. Default is to dump report as simple text. --dump_as_csv : As above but force ora2pg to dump report in CSV. --dump_as_json : As above but ...
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set_init_callback(relation REGCLASS, callback REGPROC DEFAULT 0) Set partition creation callback to be invoked for each attached or created partition (both HASH and RANGE). The callback must have the following signature: part_init_callback(args JSONB) RETURNS VOID. Parameter arg consists of ...
SEThttp.curlopt_useragent ='PgBot/2.1 (+http://pgbot.com/bot.html) Contact abuse@pgbot.com';SELECTstatus,content::json->'headers'->>'User-Agent'FROMhttp_get('http://httpbun.com/headers'); status | user_agent ---+--- 200 | PgBot/2.1 (+http://pgbot.com/bot.html) Contact ab...