{"id":17081,"date":"2022-10-23T02:08:09","date_gmt":"2022-10-22T20:38:09","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-storing-json-array-of-arrays-in-postgresql\/"},"modified":"2022-10-23T02:08:09","modified_gmt":"2022-10-22T20:38:09","slug":"solved-storing-json-array-of-arrays-in-postgresql","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-storing-json-array-of-arrays-in-postgresql\/","title":{"rendered":"[Solved] Storing JSON Array of Arrays in PostgreSql"},"content":{"rendered":"

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\n<\/p>\n

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<\/div>\n
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First statement returns two rows, one for each array.<\/p>\n

    select jsonb_array_elements(msg->'root') as el\n    from js\n<\/code><\/pre>\n
Then returns each individual values as text.<\/p>\n
with aa as\n(\n    select jsonb_array_elements(msg->'root') as el\n    from js\n)\nselect jsonb_array_elements(el)->>'cid' as cid,\n       jsonb_array_elements(el)->>'Display' as Display,\n       jsonb_array_elements(el)->>'FName' as FName,\n       jsonb_array_elements(el)->>'LName' as LName         \nfrom aa;\n<\/code><\/pre>\n
This returns 3rd element of 2nd array<\/p>\n
select (ARRAY(select * from jsonb_array_elements(A1.Elements)))[3] Elem\nfrom\n    (select (ARRAY(select * from jsonb_array_elements(msg->'root')))[2] Elements\n    from js) A1;\n<\/code><\/pre>\n
Below value is according data I’ve used in my resxtester project. Maybe does not match with your json text.<\/p>\n
\n
{“cid”: “CID2”, “FName”: “User”, “LName”: “Three”, “Display”: “User
\n  Three”}<\/p>\n<\/blockquote>\n
Check it here: http:\/\/rextester.com\/IAU74251<\/a><\/p>\n
Update<\/strong><\/p>\n
Filter by some of the field of the first array:<\/p>\n
select * from                \n(select jsonb_array_elements(msg->'root'->0) as a from js) elem\nwhere elem.a->>'Display' like '%Two';\n<\/code><\/pre>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            4<\/span> <\/p><\/div>\n<\/div>\n
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solved Storing JSON Array of Arrays in PostgreSql <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] First statement returns two rows, one for each array. select jsonb_array_elements(msg->’root’) as el from js Then returns each individual values as text. with aa as ( select jsonb_array_elements(msg->’root’) as el from js ) select jsonb_array_elements(el)->>’cid’ as cid, jsonb_array_elements(el)->>’Display’ as Display, jsonb_array_elements(el)->>’FName’ as FName, jsonb_array_elements(el)->>’LName’ as LName from aa; This returns 3rd element of 2nd … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[4264,623],"class_list":["post-17081","post","type-post","status-publish","format-standard","hentry","category-solved","tag-jsonb","tag-postgresql"],"yoast_head":"\n[Solved] Storing JSON Array of Arrays in PostgreSql - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-storing-json-array-of-arrays-in-postgresql\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Storing JSON Array of Arrays in PostgreSql - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] First statement returns two rows, one for each array. select jsonb_array_elements(msg->'root') as el from js Then returns each individual values as text. with aa as ( select jsonb_array_elements(msg->'root') as el from js ) select jsonb_array_elements(el)->>'cid' as cid, jsonb_array_elements(el)->>'Display' as Display, jsonb_array_elements(el)->>'FName' as FName, jsonb_array_elements(el)->>'LName' as LName from aa; This returns 3rd element of 2nd ... 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