8、将key值转为set输出。 select skeys(info) from users; 9、将key值转为array输出。 select akeys(info) from users; 10、将value值转为set输出。 select svals(info) from users; 11、将value值转为array输出。 select avals(info) from users; 12、将hstore值转为array输出。 select avals(info) ...
a key-value store with multiple backends including leveldb, badgerdb, postgresql Topics gogolangkey-valueleveldbbadgerdb Resources Readme License MIT license Activity Stars 53stars Watchers 5watching Forks 8forks Report repository Releases 12tags ...
tree (LSM tree). RocksDB can efficiently use many CPU cores and fast storage. This is the first foreign data wrapper that connects a LSM-tree-based storage engine to PostgreSQL. Because RocksDB is an embeddable key-value store, you do not need to run another server to use this extension...
Fitness Store 範例簡介 建置和部署應用程式 整合Azure OpenAI 設定單一登入 整合適用於 PostgreSQL 的 Azure 資料庫與 Azure Cache for Redis 使用Key Vault 載入應用程式密碼 端對端監視應用程式 設定要求速率限制 自動執行部署 執行微服務應用程式 使用Spring Cloud 閘道驗證用戶端 ...
{"name":"PostgreSqlLinkedService","properties": {"type":"PostgreSqlV2","typeProperties": {"server":"<server>","port":5432,"database":"<database>","username":"<username>","password": {"type":"AzureKeyVaultSecret","store": {"referenceName":"<Azure Key Vault linked service name>","...
3、下面是PostgreSQL中的各种功能介绍: (1)数据类型: ·基本类型:Integer, Numeric, String, Boolean ·结构类型:Date/Time, Array, Range, UUID ·文档类型:JSON/JSONB, XML, Key-value(Hstore) ·几何类型:Point, Line, Circle, Polygon ·自定义类型:Composite, Custom Types ...
1postgres=#createtabletbl(idintprimarykey,infotext);2CREATETABLE3postgres=#createtabletbl1(idintreferencestbl(id), infotext);4CREATETABLE5postgres=# \d tbl6Table"public.tbl"7Column|Type|Modifiers8---+---+---9id|integer|notnull10info|text|11Indexes:12"tbl_pkey"PRIMARYKEY, btree (id)13...
使用each函数分解显示hstore存储的信息. postgres=# select id,(each(old_rec)).* from table_change_rec; id | key | value ---+---+--- 5 | id | 1 5 | info | digoal 5 | crt_time | 2012-06-25 10:54:43 6 | id | 1 6 | info | DIGOAL 6 | crt_time | 2012-06-25 10...
hstore | 1.8 | | data type for storing sets of (key, value) pairs hstore_plperl | 1.0 | | transform between hstore and plperl hstore_plperlu | 1.0 | | transform between hstore and plperlu hstore_plpython2u | 1.0 | | transform between hstore and plpython2u ...
hstore– introduce you to the hstore data type, a set of key/value pairs stored in a single value in PostgreSQL. JSON– illustrate how to work with JSON data type and use some of the most important JSON operators and functions.