create or replace procedure fun1(a in integer) as $$ declare cur cursor for select * from t10 order by f1; begin ... end; $$ LANGUAGE plpgsql ; 声明中游标是怎么解析的? cur cursor for select * from t10 order by f1; step1 语法树 代码语言:javascript 代码运行次数:0 运行 AI代码解释...
PostgreSQL is a client-server relational database system that uses the SQL language for querying and manipulation. It employs a process-based architecture, with each connection to the database being handled by a separate server process. This architecture provides isolation between different users and ...
CREATE or replace PROCEDURE tp12( a in integer, b out integer, c out integer, d inout integer default 300, e in integer default 400) LANGUAGE plpgsql AS $$ BEGIN raise notice 'a: %', a; raise notice 'b: %', b; raise notice 'c: %', c; raise notice 'd: %', d; raise not...
PostgreSQL is a database management system that is object-relational. PostgreSQL originated from the Ingres project at the University of California, Berkeley.Here are 63,573 public repositories matching this topic... Language: All Sort: Most stars supabase / supabase Sponsor Star 83.4k Code ...
has_language_privilege(user,language,privilege) 用户是否有访问语言的权限 USAGE has_language_privilege(language,privilege) 当前用户是否有访问语言的权限 USAGE has_schema_privilege(user,schema,privilege) 用户是否有访问模式的权限 CREAT/USAGE has_schema_privilege(schema,privilege) 当前用户是否有访问模式的权限...
Zhparser is a PostgreSQL extension for full-text search of Chinese language (Mandarin Chinese). It implements a Chinese language parser base on theSimple Chinese Word Segmentation(SCWS). Project home page:http://blog.amutu.com/zhparser/
本文就如何利用火山引擎云数据库 PostgreSQL 版和大语言模型技术(Large Language Model,简称 LLM),实现企业级智能交互式问答系统进行介绍。 背景 在大数据的浪潮下,众多企业建立了自己的知识库,以便于信息检索和知识查询。然而,随着知识库内容的膨胀,传统的信息检索方式变得低效,经常出现费时费力且结果不尽人意的情况。
raise notice 'test_A.count is: %', test_A.count; v_num := v_num + 1; END LOOP; END $$ LANGUAGE plsql; /* * 测试数组类型的out参数使用,参数不需要指定,结果需要获取* * exp:test_A := test_array_fnc2(v_record_id); */ CREATE OR REPLACE FUNCTION test_array_fnc2(v_id VARCHA...
IS BEGIN END; 行1: CREATE OR REPLACE PROCEDURE 是一个SQL语句通知Oracle数据库去创建一个叫做skeleton存储过程, 如果存在就覆盖它; 行2: IS关键词表明后面将跟随一个PL/SQL体。 行3: BEGIN关键词表明PL/SQL体的开始。 行4: NULL PL/SQL语句表明什么事都不做,这句不能删去,因为PL/SQL体中至少需要有一句...
This connector requires a driver to talk to the database. If the driver is not installed on your computer, Tableau displays a message in the connection dialog box with a link to theDriver Download(Link opens in a new window)page where you can find driver links and installation instructions....