Query on matching json array keys
I have a json field in mysql called column_info
. Here's an example value:
[{"id": ["132605", "132750", "132772", "132773", "133065", "133150", "133185", "133188", "133271", "133298"]},
{"number": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"]},
{"id": ["1", "1", "1", "1", "1", "1", "1", "1", "1", "1"]}
]
Is it possible to do a query that does the following:
keys = ['id', 'number', 'id']
SELECT * FROM `column_info` WHERE JSON(??) = keys
python mysql sql
add a comment |
I have a json field in mysql called column_info
. Here's an example value:
[{"id": ["132605", "132750", "132772", "132773", "133065", "133150", "133185", "133188", "133271", "133298"]},
{"number": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"]},
{"id": ["1", "1", "1", "1", "1", "1", "1", "1", "1", "1"]}
]
Is it possible to do a query that does the following:
keys = ['id', 'number', 'id']
SELECT * FROM `column_info` WHERE JSON(??) = keys
python mysql sql
add a comment |
I have a json field in mysql called column_info
. Here's an example value:
[{"id": ["132605", "132750", "132772", "132773", "133065", "133150", "133185", "133188", "133271", "133298"]},
{"number": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"]},
{"id": ["1", "1", "1", "1", "1", "1", "1", "1", "1", "1"]}
]
Is it possible to do a query that does the following:
keys = ['id', 'number', 'id']
SELECT * FROM `column_info` WHERE JSON(??) = keys
python mysql sql
I have a json field in mysql called column_info
. Here's an example value:
[{"id": ["132605", "132750", "132772", "132773", "133065", "133150", "133185", "133188", "133271", "133298"]},
{"number": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"]},
{"id": ["1", "1", "1", "1", "1", "1", "1", "1", "1", "1"]}
]
Is it possible to do a query that does the following:
keys = ['id', 'number', 'id']
SELECT * FROM `column_info` WHERE JSON(??) = keys
python mysql sql
python mysql sql
asked Dec 27 '18 at 20:03
David L
30213
30213
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
Try:
SELECT `column_info`
FROM
`table`,
(SELECT @`keys` := '["id", "number", "id"]') `init`
WHERE (
SELECT
JSON_ARRAYAGG(
JSON_UNQUOTE(
JSON_EXTRACT(
JSON_KEYS(`der`.`keys`),
'$[0]'
)
)
)
FROM
JSON_TABLE(
`column_info`,
'$[*]'
COLUMNS(
`keys` JSON PATH '$'
)
) `der`
) = CAST(@`keys` AS JSON);
See db-fiddle.
wow, that's pretty complex for doing a json query. Thanks for sharing. Unfortunately, I'm using mysql5.7, which doesn't support some of the above, but I tested it in the db-fiddle and it's pretty neat.
– David L
Dec 28 '18 at 3:01
add a comment |
What version of MySQL are your running?
If it's v8, you can try JSON_CONTAINS()
https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Try:
SELECT `column_info`
FROM
`table`,
(SELECT @`keys` := '["id", "number", "id"]') `init`
WHERE (
SELECT
JSON_ARRAYAGG(
JSON_UNQUOTE(
JSON_EXTRACT(
JSON_KEYS(`der`.`keys`),
'$[0]'
)
)
)
FROM
JSON_TABLE(
`column_info`,
'$[*]'
COLUMNS(
`keys` JSON PATH '$'
)
) `der`
) = CAST(@`keys` AS JSON);
See db-fiddle.
wow, that's pretty complex for doing a json query. Thanks for sharing. Unfortunately, I'm using mysql5.7, which doesn't support some of the above, but I tested it in the db-fiddle and it's pretty neat.
– David L
Dec 28 '18 at 3:01
add a comment |
Try:
SELECT `column_info`
FROM
`table`,
(SELECT @`keys` := '["id", "number", "id"]') `init`
WHERE (
SELECT
JSON_ARRAYAGG(
JSON_UNQUOTE(
JSON_EXTRACT(
JSON_KEYS(`der`.`keys`),
'$[0]'
)
)
)
FROM
JSON_TABLE(
`column_info`,
'$[*]'
COLUMNS(
`keys` JSON PATH '$'
)
) `der`
) = CAST(@`keys` AS JSON);
See db-fiddle.
wow, that's pretty complex for doing a json query. Thanks for sharing. Unfortunately, I'm using mysql5.7, which doesn't support some of the above, but I tested it in the db-fiddle and it's pretty neat.
– David L
Dec 28 '18 at 3:01
add a comment |
Try:
SELECT `column_info`
FROM
`table`,
(SELECT @`keys` := '["id", "number", "id"]') `init`
WHERE (
SELECT
JSON_ARRAYAGG(
JSON_UNQUOTE(
JSON_EXTRACT(
JSON_KEYS(`der`.`keys`),
'$[0]'
)
)
)
FROM
JSON_TABLE(
`column_info`,
'$[*]'
COLUMNS(
`keys` JSON PATH '$'
)
) `der`
) = CAST(@`keys` AS JSON);
See db-fiddle.
Try:
SELECT `column_info`
FROM
`table`,
(SELECT @`keys` := '["id", "number", "id"]') `init`
WHERE (
SELECT
JSON_ARRAYAGG(
JSON_UNQUOTE(
JSON_EXTRACT(
JSON_KEYS(`der`.`keys`),
'$[0]'
)
)
)
FROM
JSON_TABLE(
`column_info`,
'$[*]'
COLUMNS(
`keys` JSON PATH '$'
)
) `der`
) = CAST(@`keys` AS JSON);
See db-fiddle.
edited Dec 27 '18 at 22:58
answered Dec 27 '18 at 21:37
wchiquito
11.7k22032
11.7k22032
wow, that's pretty complex for doing a json query. Thanks for sharing. Unfortunately, I'm using mysql5.7, which doesn't support some of the above, but I tested it in the db-fiddle and it's pretty neat.
– David L
Dec 28 '18 at 3:01
add a comment |
wow, that's pretty complex for doing a json query. Thanks for sharing. Unfortunately, I'm using mysql5.7, which doesn't support some of the above, but I tested it in the db-fiddle and it's pretty neat.
– David L
Dec 28 '18 at 3:01
wow, that's pretty complex for doing a json query. Thanks for sharing. Unfortunately, I'm using mysql5.7, which doesn't support some of the above, but I tested it in the db-fiddle and it's pretty neat.
– David L
Dec 28 '18 at 3:01
wow, that's pretty complex for doing a json query. Thanks for sharing. Unfortunately, I'm using mysql5.7, which doesn't support some of the above, but I tested it in the db-fiddle and it's pretty neat.
– David L
Dec 28 '18 at 3:01
add a comment |
What version of MySQL are your running?
If it's v8, you can try JSON_CONTAINS()
https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
add a comment |
What version of MySQL are your running?
If it's v8, you can try JSON_CONTAINS()
https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
add a comment |
What version of MySQL are your running?
If it's v8, you can try JSON_CONTAINS()
https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
What version of MySQL are your running?
If it's v8, you can try JSON_CONTAINS()
https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
answered Dec 27 '18 at 20:33
Thomas Skubicki
365
365
add a comment |
add a comment |
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