Appending to a jsonb array in postgres using jsonb_insert
I have a table with a jsonb column to which i want to append a new record.
This is the content of my table's data column.
data = [
{ "id" : "1",
"content" : "cat"},
{ "id" : "2",
"content" : "rat"},
{ "id" : "3",
"content" : "dog"},
...
...
{ "id" : "n",
"content" : "hamster"}
]
I want to add
{ "id" : "n+1",
"content" : "goat"}
to data. I know I can use the concatenate operator '||' to do this. However, I want to understand if I can use the jsonb_insert to do this as well?
can I also use jsonb_insert to
- insert the new records any where arbitrarily
- insert the new record at the start of the jsonb array
- append the new record to the jsonb
array at the end
extra question;
if I want to turn the content of id 3, from dog to cow, should I do;
SELECT jsonb_set(data, '{id, 4}', '{"content":"cow"}'::jsonb) FROM tablename;
postgresql jsonb
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
add a comment |
I have a table with a jsonb column to which i want to append a new record.
This is the content of my table's data column.
data = [
{ "id" : "1",
"content" : "cat"},
{ "id" : "2",
"content" : "rat"},
{ "id" : "3",
"content" : "dog"},
...
...
{ "id" : "n",
"content" : "hamster"}
]
I want to add
{ "id" : "n+1",
"content" : "goat"}
to data. I know I can use the concatenate operator '||' to do this. However, I want to understand if I can use the jsonb_insert to do this as well?
can I also use jsonb_insert to
- insert the new records any where arbitrarily
- insert the new record at the start of the jsonb array
- append the new record to the jsonb
array at the end
extra question;
if I want to turn the content of id 3, from dog to cow, should I do;
SELECT jsonb_set(data, '{id, 4}', '{"content":"cow"}'::jsonb) FROM tablename;
postgresql jsonb
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
add a comment |
I have a table with a jsonb column to which i want to append a new record.
This is the content of my table's data column.
data = [
{ "id" : "1",
"content" : "cat"},
{ "id" : "2",
"content" : "rat"},
{ "id" : "3",
"content" : "dog"},
...
...
{ "id" : "n",
"content" : "hamster"}
]
I want to add
{ "id" : "n+1",
"content" : "goat"}
to data. I know I can use the concatenate operator '||' to do this. However, I want to understand if I can use the jsonb_insert to do this as well?
can I also use jsonb_insert to
- insert the new records any where arbitrarily
- insert the new record at the start of the jsonb array
- append the new record to the jsonb
array at the end
extra question;
if I want to turn the content of id 3, from dog to cow, should I do;
SELECT jsonb_set(data, '{id, 4}', '{"content":"cow"}'::jsonb) FROM tablename;
postgresql jsonb
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
I have a table with a jsonb column to which i want to append a new record.
This is the content of my table's data column.
data = [
{ "id" : "1",
"content" : "cat"},
{ "id" : "2",
"content" : "rat"},
{ "id" : "3",
"content" : "dog"},
...
...
{ "id" : "n",
"content" : "hamster"}
]
I want to add
{ "id" : "n+1",
"content" : "goat"}
to data. I know I can use the concatenate operator '||' to do this. However, I want to understand if I can use the jsonb_insert to do this as well?
can I also use jsonb_insert to
- insert the new records any where arbitrarily
- insert the new record at the start of the jsonb array
- append the new record to the jsonb
array at the end
extra question;
if I want to turn the content of id 3, from dog to cow, should I do;
SELECT jsonb_set(data, '{id, 4}', '{"content":"cow"}'::jsonb) FROM tablename;
postgresql jsonb
postgresql jsonb
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
edited Nov 24 '18 at 14:06
Rishav Sharan
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
asked Nov 24 '18 at 14:00
Rishav SharanRishav Sharan
83652237
83652237
add a comment |
add a comment |
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