postgresql create procedure 返回数据集 post返回数据类型 Http Header里的Content-Type一般有这三种: application/x-www-form-urlencoded:数据被编码为名称/值对。这是标准的编码格式。 multipart/form-data: 数据被编码为一条消息,页上的每个控件对应消息中的一个部分。 text/plain: 数据以纯文本形式(text/json/xm...
values[Anum_pg_proc_proconfig -1] = proconfig;elsenulls[Anum_pg_proc_proconfig -1] =true;/* proacl will be determined later */rel =table_open(ProcedureRelationId, RowExclusiveLock); tupDesc =RelationGetDescr(rel);/* Check for pre-existing definition *///检查是否已存在oldtup =SearchSysC...
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Many people have have been asking for this feature for years and PostgreSQL 11 will finally have it: I am of course talking about CREATE PROCEDURE. Traditionally PostgreSQL has provided all the means to write functions (which were often simply called “stored procedures”). However, in a functi...
PostgreSQL , CREATE PROCEDURE , CALL , 增强 , 11 背景 PostgreSQL一直以来都是通过create function来创建函数和存储过程(return void),通过select或者perform(plpgsql内部调用函数)来调用函数。 通过inline code来模拟类似procedure的用法: do language plpgsql $$ declare -- ... begin -- ... end; $$; ...
简介:AnalyticDB PostgreSQL 7.0 新增了存储过程功能的支持,让用户在使用ADB PG时能够更方便高效地开发业务,并能够更好地兼容Oracle等传统数仓的业务。 背景 在ADB PG6中,函数(Function)可以实现大部分的存储过程功能(SQL stored procedures),我们通常建议用户使用函数来实现存储过程业务,但是通过此方法改造存储过程给用户...
For more information about dollar quoting, see "Dollar-quoted String Constants" under Lexical Structure in the PostgreSQL documentation. procedure_body A set of valid PL/pgSQL statements. PL/pgSQL statements augment SQL commands with procedural constructs, including looping and conditional expressions,...
SQL is PostgreSQL's native language and works best with the optimizer.A stored procedure is created with the key words CREATE PROCEDURE. Alternatively, use CREATE OR REPLACE PROCEDURE to either create a new procedure or replace a procedure with the same name....
问使用新的CREATE PROCEDURE方法选择用法EN使用get_or_create() 使用方式 user, b = User.objects.get...
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