此PostgreSQL函数成功返回JSON;但是,函数名与结果关联: CREATE OR REPLACE FUNCTION public.find_classes( search_text character varying, current_page integer DEFAULT 1, page_size integer DEFAULT 10, sort_by character varying DEFAULT 'name'::character varying, direction character varying DEFAULT 'ASC'::cha...
function actionResponse(){ if(myAjaxObject.readyState==4){ if(myAjaxObject.status==200){ var returnJSONString = myAjaxObject.responseText; var returnJSON = JSON.parse(returnJSONString); var showString = ""; /*for(var i=0;i<returnJSON.length;i++){ showString = }*/ showString = return...
-- 创建函数1 smallint到boolean到转换函数CREATE OR REPLACE FUNCTION "smallint_to_boolean"("i" int2)RETURNS "pg_catalog"."bool" AS $BODY$BEGINRETURN (i::int2)::integer::bool;END;$BODY$LANGUAGE plpgsql VOLATILE-- 创建赋值转换1create cast (SMALLINT as BOOLEAN) with function smallint_to_b...
QUERY: select * from json_populate_recordset(null::message_row,msgjson) CONTEXT: PL/pgSQL function get_jsonrows(refcursor) line 12 at OPEN *** Error *** ERROR: type "message_row" does not exist SQL state: 42704 Context: PL/pgSQL function get_jsonrows(refcursor) line 12 at OPEN ===...
PostgreSQL全文检索支持JSON和JSONB(PosgreSQL 10新特性)。 一、JSON和JSONB数据类型 PostgreSQL支持非关系数据类型json (JavaScript Object Notation),本节介绍json类型、json与jsonb差异、json与jsonb操作符和函数以及jsonb键值的追加、删除、更新。 1、JSON类型简介 ...
_json_object_key_value", ERRCODE_DUPLICATE_JSON_OBJECT_KEY_VALUE }, { "invalid_argument_for_sql_json_datetime_function", ERRCODE_INVALID_ARGUMENT_FOR_SQL_JSON_DATETIME_FUNCTION }, { "invalid_json_text", ERRCODE_INVALID_JSON_TEXT }, { "invalid_sql_json_subscript", ERRCODE_INVALID_SQL_JSON...
bill@bill=>create or replace function lower(text[]) returns text[] as $$ bill$# select array_agg(lower(x)) from unnest($1) t(x); bill$# $$ language sql strict immutable; CREATE FUNCTION bill@bill=>select lower(array['A','a']); ...
*/functioninitpgorm(dbconfig){letpdb =newpg.Pool(dbconfig)returnnewpsqlorm(pdb) } 这样的方式需要开发者去编写一个函数然后导出一个模块,为了能更方便,以下方式最好。 使用initORM 初始化 constinitORM =require('psqlorm').initORMletdbconfig = {host:'127.0.0.1',user:'xxxxx',database:'DBNAME',por...
价值: 在PL/pgSQL函数内使用return query返回结果时支持query的并行计算来提升性能 DEMO: createorreplacefunctionxx...returnqueryselectxx from xx ...-- 这里到select xx query可以支持并行计算 刷新物化事务支持并行计算 场景: 预计算场景,如数据分析类业务 价值...
IS_INTEGER_TYPE(window_type) && created_before == NULL)) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), errmsg("invalid value for parameter %s", POL_RETENTION_CONF_KEY_DROP_AFTER), errhint( "Integer duration in \"drop_after\" with valid \"integer_now\" function" " or ...