这是数字:'0.1'::json 这是文本:'"0.1"'::json 1是数组,3是文本:'[1, "3"]'::json...
jsonb_path_query_array(jsonb_data, json_path) In this syntax: First, specify thejsonb_datathat you want to query. Second, provide ajson_paththat you want to match elements within thejsonb_data. Thejsonb_path_query_array()function returns the matched elements as a JSON array. ...
\ \ \ \ res\ =\self\._obj\.execute\(query,\ params\) psycopg2\.errors\.UndefinedFunction:\ function\ jsonb_path_query_array\(jsonb,\ unknown\)\ does\ not\ exist LINE\ 1:\ \.\.\.INDEX\ "hr_job_name_index"\ ON\ "hr_job"\ USING\ gin\ \(\(jsonb_path\.\.\. \ \ \ ...
b[$c]=`echo $[$a]` # 定义数组b 角标为变量c 由下面的 (c++) 辅
问题是,“JSON null”与“SQL null”不同。一个选择是首先删除所有(JSON)null值:
给定一个含有n个正整数的数组和一个正整数s ,找出该数组中满足其和 ≥ s的长度最小的连续子数组,...