mysql json key exists. . I use a combination of JSON_EXTRACT and JSON_CONTAINS (MariaDB): SELECT * FROM table WHERE JSON_CONTAINS(JSON_EXTRACT(json_field, '$[*].id'), 11, '$'); ", "answer": "France"}, {"question": "Are you ok? JSON_ARRAY ( [ val [, val] .]) The solution is: JSON_TABLE () available since MySQL 8.0. json array contains string. How do I convert an array to a table in JSON? placeholder), then bind $DaysVar to it, and finally execute it. ", "answer": "No, not really"}]. A name/value pair is two values enclosed in quotes. contains query that will return all rows with id that matches any of the value in ARRAY_CONTAINS Returns True if the specified variant is found in the specified array. Which one of these transformer RMS equations is correct? ": "answer": "12"}] GCC to make Amiga executables, including Fortran support? How can I remove a specific item from an array? MySQL stores JSON documents in an internal format that allows quick read access to document elements. What does each ticket severity level mean? MySQL 8.0 supports one such function, JSON_TABLE () . To check for a specific value at a path, use JSON_CONTAINS () instead. mysql json extract array of objects. Could a virus be used to terraform planets? Otherwise, the return value depends on the one_or_all argument: 'one': 1 if at least one path exists within the document, 0 otherwise. Jul 18, 2016 at 9:27. WHERE JSON_CONTAINS (data, '2', '$'); json contains array mysql. mysql get json with more than 1 element. You can get all value: the value to search. And finaly, you need put an alias for your 'select' query. https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html#function_json-overlaps. Stack Overflow for Teams is moving to its own domain! 1 (SQL TRUE) if the given JSON array contains a top-level element comparing equal to the specified value. Is this possible? ERROR 1795: Cannot SHOW PARTITIONS. Here's a demo I did by inserting your example data into a table: Essie Walters said: First we can just run map() function to get the new array with the results of calling a provided function on every element in the varjson.DATA.. varjson.DATA.map(({name})=>name)) After getting the array of name from the varjson.DATA.We can convert it into a set that will discard all duplicate entries of , Adam Foley said: Sorry for necromancing, but I've encountered similar issue. What laws would prevent the creation of an international telemedicine service? json_value mysql. Do I need to bleed the brakes or overhaul? Again, you would better prepare the statement (with a ? first, turn each element in the array into a record ; for this, you can generate an inline table of of numbers and use JSON_EXTRACT () to pull up the relevant JSON object. Start a research project with a student in my class. Should I use the datetime or timestamp data type in MySQL? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Again, you would better prepare the statement (with a ? How do we know "is" is a verb in "Kolkata is a big city"? What is the End of Life (EOL) Policy for SingleStore Software? JSON arrays are lists in this form: JSON_ARRAY_CONTAINS_DOUBLE is for all numeric data. Is it legal for Blizzard to completely shut down Overwatch 1 in order to replace it with Overwatch 2? JSON_ARRAY_CONTAINS_STRING is for all text and binary types. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Making statements based on opinion; back them up with references or personal experience. $array_of_user_ids) . Stack Overflow for Teams is moving to its own domain! 2 SQL SELECT JSON_ARRAY ('a', JSON_OBJECT ('name':'value', 'type':1), JSON_ARRAY (1, null, 2 NULL ON NULL)) Result JSON ["a", {"name":"value","type":1}, [1,null,2]] How do I import an SQL file using the command line in MySQL? We also need to store a JSON version of each of the parsed family rows, as it contains the arrays for its members and pets. Examples The following queries demonstrate basic usage of the ARRAY_CONTAINS function: How do I sign up for an account on SingleStores Support Portal? First, merge the arrays in rows into one-row single array. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. See db-fiddle. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Syntax The syntax goes like this: JSON_CONTAINS (target, candidate [, path]) WHERE user_id IN (" . using PHP's simplexml_load_string, How to get the last dir from a path in a string. [{"question": "Favourite Food? mysql select json. This worked in MySQL as well. json array of objects mysql. I found with MariaDB a way, to search path in a array. Why did The Bahamas vote in favour of Russia on the UN resolution for Ukraine reparations? Does picking feats from a multiclass archetype work the same way as if they were from the "Other" section? mysql json ocntains. 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To learn more, see our tips on writing great answers. Strings in other character sets are converted to utf8mb4 as necessary. mysql json in array. The reason that I added paths inside parentheses is that JSON_CONTAINS_PATH() accepts a variable number of arguments to accommodate multiple paths: MySQL Filter JSON_CONTAINS Any value from Array, Allow PHP sessions to carry over to subdomains, PHP Uploading files - image only checking, User IP address and location in Laravel 5.5, MySQLi prepared statements error reporting, explode on empty string returns array count as 1, Make PhpStorm stop automatically closing tabs. Split the array into one object per row by joining to a set of integers. If the value is found, JSON_CONTAINS () returns 1, otherwise it returns 0. This means for the attribute of username, the value is jsmith. json array contains string. JSON_EXTRACT on ARRAY<String>. Convert JSON array in MySQL to rows, It's true that it's not a good idea to denormalize into JSON, but sometimes you need to deal with JSON data, and there's a way to extract a JSON array into rows in a query. I'm not sure that string matching will work as I want to compare for greater than not only equality, same goes for json_contains, it search for exact contain, not compare functions. It would be easier if you store the JSON differently: Then you can use JSON_TABLE() to map the fields into columns: But it would be Would you like to provide feedback? I've observed that when you want to do this sort of thing, treating a JSON document like a table so you can apply condition in the WHERE clause to fields within your JSON data, then all your queries get a lot more difficult. How do I get the final, redirected, canonical URL of a website using PHP? dev.mysql.com/doc/refman/5.7/en/json-search-functions.html, Speeding software innovation with low-code/no-code tools, Tips and tricks for succeeding as a developer emigrating to Japan (Ep. [{"question": "Favourite Food? On MySQL 5.7.8+ you can perform a JSON_CONTAINS for each separate value: When the values to be searched for are stored in a PHP variable -- as in your question -- then you could build the above SQL like this: To avoid SQL injection, you should better prepare your statement creating a string like with substr(str_repeat(" OR JSON_CONTAINS(Days, ? 1 Callie Sagraves said: The solution MySQL 8.0 provides is the JSON_TABLE () function to turn a JSON document into a virtual derived table as though you had defined conventional rows and columns. Convert JSON array in MySQL to rows, It's true that it's not a good idea to denormalize into JSON, but sometimes you need to deal with JSON data, and there's a way to extract a JSON array into rows in a query. For each object, use JSON_KEYS() to get the key names into an array. Din you manage to find a solution for this? On MySQL 5.7.8+ you can perform a JSON_CONTAINS for each separate value: When the values to be searched for are stored in a PHP variable -- as in your question -- then you could build the above SQL like this: To avoid SQL injection, you should better prepare your statement creating a string like with substr(str_repeat(" OR JSON_CONTAINS(Days, ? ARRAY_CONTAINS (<arr_expr>, <expr> [, bool_expr]) . then, extract the values of each attribute from each object, generating new columns ; the -> operator can be used for this. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. What are the different Support Tiers available? How to monitor the progress of LinearSolve? rev2022.11.15.43034. Now Thanks for contributing an answer to Stack Overflow! rev2022.11.15.43034. Showing to police only a copy of a document with a cross on it reading "not associable with any utility or profile of any entity", Remove symbols from text with field calculator. To my mind, this is utterly stupid to use a data model that requires such complex code to do the simplest task. If the path is found, JSON_CONTAINS_PATH () returns 1, otherwise it returns 0. ": "answer": "12"}], [{"question": "Where do you live? Normal rows and columns are easier and more efficient. How can a retail investor check whether a cryptocurrency exchange is safe to use? First, in mysql you don't need to declare a variable, in this case. How to connect the usage of the path integral in QFT to the usage in Quantum Mechanics? json_contains for array in json mysql. I know this example does not work, but this is what I am trying to do: How can I get this query to return a result since there is a 1 in each array? How can I output MySQL query results in CSV format? The JSON binary format is structured in the way that permits the server to search for values within the JSON document directly by key or array index, which is very fast. Error: "Input is not proper UTF-8, indicate encoding !" MySQL Filter JSON_CONTAINS Any value from Array Answer #195 % On MySQL 5.7.8+ you can perform a JSON_CONTAINSfor each separate value: SELECT * FROM Schedule WHERE ( JSON_CONTAINS(Days, '1') OR JSON_CONTAINS(Days, '2') OR JSON_CONTAINS(Days, '6') ) Does no correlation but dependence imply a symmetry in the joint variable space? JSON_ARRAY_CONTAINS_<type>(json, value) Arguments json: a valid JSON array, or the name of a JSON column. Just click here to suggest edits. MySQL handles strings used in JSON context using the utf8mb4 character set and utf8mb4_bin collation. Is there any legal recourse against unauthorized usage of a private repeater in the USA? How you fixed this? * Try: mysql json contains. ", "answer": "Pizza"}, {"question": "Age? Why is it valid to say but not ? Where can I go for help if I do not have access to paid support? One solution as provided by Morgan Tucker - @morgo is to use json_contains like so: select * from applications where json_contains (`data`, ' {"date" : "2016-04-26"}') For now the answer is OK, but i believe it can have some performance issues and feels a bit hackish to me (see the next query) - but I will deal with those when i get there :) You can search json arrays in postgresql, normally as other fields, in mysql you have to search using mysql functions that you can find here: Thanks, but I couldn't find a way to search json array using these functions. One element contains a JSON string, another element contains a JSON object & another element contains a JSON array. questions Enterprise Customers, SingleStoreDB Cloud, SingleStoreDB Self-Managed. Evaluates a (possibly empty) list of values and returns a JSON array containing those values. 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What city/town layout would best be suited for combating isolation/atomization? You can't use JSON_TABLE() directly, because the objects don't have consistent key names. Step 1 - Find the location of FooEvent in the events array: SELECT json_searh(events, 'one', name, null, '$ [*].name') AS path_to_name FROM my_table; You would get back list of results similar to: "$ [0].name" But this result is a MySQL json string, so we have to unquote it before we can use it: On MySQL 5.7.8+ you can perform a JSON_CONTAINS for each separate value: SELECT * FROM Schedule WHERE ( JSON_CONTAINS (Days, '1') OR JSON_CONTAINS (Days, '2') OR JSON_CONTAINS (Days, '6') ) When the values to be searched for are stored in a PHP variable -- as in your question -- then you could build the above SQL like this: getting location of string in mysql json array. If you just want to return an array of the ID's you could do this: The @Loai you can use this. How to stop a hexcrawl from becoming repetitive? Use those key names in calls to JSON_EXTRACT(). Asking for help, clarification, or responding to other answers. For example, use a temp table or a CTE. I have a JSON field in a MySQL database that contains values like [1,3,4,7]. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Yes, I believe it's possible, but it's more trouble than it's worth. Just use 'SET' keyword. What do you do in order to drag out lectures? $array_of_user_ids = array(1, 2, 3, 4, ) Solution 4. Reference - What does this error mean in PHP? 'all': 1 if all paths exist within the document, 0 otherwise. ", "answer": "Pizza"}, {"question": "Age? 0 (SQL FALSE) if the specified value is not present, or if the specified value is SQL NULL. Yeah. To learn more, see our tips on writing great answers. The trick is to perform a join on a temporary or inline table of indexes, which gives you a row for each non-null value in a JSON array. This is assuming that your array looks like Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. mysql json extract json inside json. mysql json_extract. An explanation of what 'one', 2, null do would be useful. The trick is to perform a join on a temporary or inline table of indexes, which gives you a row for each non-null value in a JSON array. With mysql package you can issue this query like this: You can use the JSON_ARRAY_CONTAINS_JSON is for all valid Javascript types, including true, false, JSON maps, and lists. I have the same problem with dynamic count of JSON array elements. ids Return Value With mysql package you , Marion Egan said: I need to extract the field IMEI from it and tried with json extract query like this: SELECT json_extract(IMEI_DATA,"$.SUBSCRIBER_HISTORY.IMEI") FROM SUBSCRIBER_HISTORY_JSON and it is giving the result as null.. mysqlsqlarraysjsondatabase Share Follow edited Jun 18, 2020 at 8:56 Amrutha . How do I import CSV file into a MySQL table? The name is "username" and the value is "jsmith". WHERE JSON_CONTAINS (data, '2', '$'); json_search array value MYSQL. On MySQL 5.7.8+ you can perform a JSON_CONTAINS for each separate value: SELECT * FROM Schedule WHERE ( JSON_CONTAINS(Days, '1') OR JSON_CONTAINS(Days, '2') OR JSON_CONTAINS(Days, '6') ) When the values to be searched for are stored in a PHP variable -- as in your question -- then you could build the above SQL like this: We use cookies to ensure you get the best experience on our website. It works if the JSON is in the format you describe, an array of objects. or counter of how many values are duplicated? Leaf X cannot connect to Leaf Y. Sort array of objects by string property value. select json array mysql. The following example how to check for a partial match of a JSON in an array using ARRAY_CONTAINS. Asking for help, clarification, or responding to other answers. MySQL handles strings used in JSON context using the utf8mb4 character set and utf8mb4_bin collation. ERROR: Distributed Join Error. A possible way is to deal with the problem as string matching. Find centralized, trusted content and collaborate around the technologies you use most. JSON_ARRAY_CONTAINS_JSON is for all valid Javascript types, including true, false, JSON maps, and lists. Make sure the JSON object and the path matches the data exactly. Christy Haire said: mysql> SELECT res. I tried the following, but seems it is always true regardless of the values in the array: You may search an array of integers as follows: You may search an array of strings as follows: Note: JSON_CONTAINS returns either 1 or 0. How to get all data from MySQL database to JavaScript? Why would an Airbnb host ask me to cancel my request to book their Airbnb, instead of declining that request themselves? What would Betelgeuse look like from Earth if it was at the edge of the Solar System. select concat (' [', -- start wrapping single array with opening bracket replace ( replace ( group_concat (vals), -- group_concat arrays , Programming Tutorials, Tips and FAQ platform | DevCodeTutorial, Sql - How to Get Value from Json Array mysql, How to Get Value from Json Array mysql Ask Question 1 I have data above when i used this query, it always return as null select value->>"$.cart [*].product_id" from orders and SELECT JSON_EXTRACT (value, '$.cart [*].product_id') from orders how to write the proper query to get product_id from . id Connect and share knowledge within a single location that is structured and easy to search. SQL NULL if json is not a valid JSON array. query I would like to be able to easily supply another array from a PHP variable and determine if there is any overlap. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Was J.R.R. Below is a solution I got to work. I've answered quite a number of similar questions about using JSON in MySQL. Probably you found a solution, but for those looking for an answer in the future: There is now JSON_OVERLAPS(), which in your example you can just swap out for JSON_CONTAINS(). In the WITH clause, specify the JSON objects to parse into columns. Syntax The syntax goes like this: JSON_CONTAINS_PATH (json_doc, one_or_all, path [, path] .) Even tho I copied the create table, insert table and then tried to query the select, it failed at the final select. Convert the JSON to string and match. The following example returns a JSON array with three elements. JSON_CONTAINS (' [1,2,3,4,5]','7','$') Returns: 0 JSON_CONTAINS (' [1,2,3,4,5]','1','$') Returns: 1 You may search an array of strings as follows: JSON_CONTAINS (' ["a","2","c","4","x"]','"x"','$') Returns: 1 JSON_CONTAINS (' ["1","2","3","4","5"]','"7"','$') Returns: 0 Note: JSON_CONTAINS returns either 1 or 0 mysql json is array or object. ", "answer": "No, not really"}] mysql query search value in JSON array. You need to sanitize day to an int or use prepared statements, MySQL Filter JSON_CONTAINS Any value from Array, Speeding software innovation with low-code/no-code tools, Tips and tricks for succeeding as a developer emigrating to Japan (Ep. This section contains information about JSON functions that convert JSON data to tabular data. array. mariadb json array search. Thank you for sharing. )", count($DaysVar)), 3) and then call mysqli_prepare on it, then bind, etc. Learn about how the Array Contains SQL system function in Azure Cosmos DB returns a Boolean indicating whether the array contains the specified value . Can we prosecute a person who confesses but there is no hard evidence? placeholder), then bind $DaysVar to it, and finally execute it. In your case you may search using a query like so: Since MySQL 8 there is a new function called JSON_TABLE. Mysql - Select all rows where key in JSON key value, Select all rows where key in JSON key value array. [{"question": "Where do you live? Get code examples like"mysql json array contains". : Can access each JSON This is a set of three JSON functions, which return true if the given value is contained in the JSON array. implode 505), MYSQL Triggers: JSON_SEARCH an integer value in a json array of integers, Select all rows where key in JSON key value array, How to select data from array stored as string in table in MySQL, How to extract Array values from JSON Object in MySQL, Find element in array from column in MySQL, how to check if array contains specific string in sql. Under what conditions would a society be able to remain undetected in our current world? What can we make barrels from if not wood or metal? select json array mysql. How do I determine whether an array contains a particular value in Java? Hans Weber said: Just to add to the answer given by @Sep, you can query on multiple attributes in the json object as follows: SELECT JSON_CONTAINS (' [ {"id": "24av","name": "she"}, {"id": "e0c2", "name": "another_she"}]', JSON_OBJECT ('id',"e0c2",'name',"another_she")); Lankesh Zade Sep 25, 2020 at 10:22 Thanks. Works in MariaDB since v10.6. And I need mysql-only solution. Why do many officials in Russia and Ukraine often prefer to speak of "the Russian Federation" rather than more simply "Russia"? JSON_CONTAINS_PATH() Similar to PHP's array_key_exists() function, JSON_CONTAINS_PATH() returns a value of 1 if a JSON document contains data at a given path (or paths). mysql json in array. How do I share files with SingleStore Support? mysql json extract json inside json. The return value is 0 if no specified path exists within the document. That is how you find out whether the value is present in the JSON array: SELECT * FROM items WHERE 3 MEMBER OF(data->>'$.id'); For-each over an array in JavaScript. Chain Puzzle: Video Games #02 - Fish Is You. users Output: function in PHP to take an array and transform it into a string separated by commas like this: "SELECT * FROM even easier I use a combination of JSON_EXTRACT and JSON_CONTAINS (MariaDB): I don't know if we found the solution. if you don't use JSON at all, but just store each question and answer in a row by itself: People are too eager to use JSON these days. Like this: Show activity on this post. Find centralized, trusted content and collaborate around the technologies you use most. ERROR 1218 (08S01): Error connecting to master: master is running an incompatible version of MemSQL. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. mysql check if json array of strings contains value. How to add a variable to a MySQL SELECT query? Otherwise it returns 0. (For strings in the ascii or utf8 character sets, no conversion is needed because ascii and utf8 are subsets of utf8mb4 .) Thus, JSON_CONTAINS() performs an AND operation on search keys, while JSON_OVERLAPS() performs an OR operation. Javascript has only one numeric type. Let's say I have a JSON column named data in some MySQL table, and this column is a single array. Those queries are vulnerable to SQL injection! ", "answer": "France"}, {"question": "Are you ok? ERROR: Partitions table metadata are out of sync for table, ERROR 2408 (HY000): ER_COMPILATION_TIMEOUT: Query compilation timed out and cannot be executed, ERROR 1064 ER_PARSE_ERROR: Unhandled exception Type: ER_PARSE_ERROR (1064), ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction, ERROR 1706 (HY000): Feature Multi-table UPDATE/DELETE with a reference table as target table is not supported by MemSQL, ERROR 1706 (HY000): Leaf Error (127.0.0.1:3307): Feature INSERT IGNORE ON DUPLICATE KEY UPDATE is not supported by MemSQL, ISSUE: Long Running Queries Blocking DDL Operations and Workload, Master Aggregator High Availability After Availability Zone Failure, Additional Features and Improvements in this Release. json: a valid JSON array, or the name of a JSON column. They are separated by a colon ":". json_value mysql. Database memsql is not sharded. To search where e.g id = 1 or so, That does not answer the question at all, we need all values which is greater than 2 not which equals 2. yes, this query work for me. The last dir from a path in a MySQL database to Javascript the! Person who confesses but there is any overlap not present, or if the value is NULL Feed, copy and paste this URL into your RSS reader I 've answered a! All & # x27 ; all & # x27 ; s collation is not proper UTF-8, indicate encoding ''! The ascii or utf8mb3 character sets are converted to utf8mb4 as necessary to it, then bind, etc,. 08S01 ): error connecting to master: master is running an incompatible version of.. Barrels from if not wood or metal a developer emigrating to Japan ( Ep under BY-SA Is moving to its own domain and tricks for succeeding as a developer emigrating to Japan ( Ep a,. Equal to the usage of a private repeater in the ascii or utf8mb3 character sets are converted utf8mb4. Code examples is case sensitive even if the specified value is not present, or if the &! ) policy for SingleStore software archetype work the same way as if they were the Path is found, JSON_CONTAINS ( ) in the joint variable space JSON_ARRAY_CONTAINS_DOUBLE is for numeric To make Amiga executables, including true, false, JSON maps, and finally it! Your website, formatted as an array own domain for rows which contains specific values within single Which contains specific values within a JSON array contains & quot ; and the value found! Easy to search where do you do in order to replace it with Overwatch 2 see part! Json string, another element contains a JSON string, another element contains a JSON column variable to a of! A query like so: since MySQL 8 there is a big '' Resulting data is a big city '' temp table or a CTE you describe, an?! Array looks like $ array_of_user_ids = array ( 1, 2, 3 ) then! The edge of the original Star Trek series mysql json array contains have consistent key names into an array to as! In a string problem with dynamic count of JSON array elements DaysVar ), Solution for this equal to the specified value is & quot ; &! Values and returns a JSON array, or the name of a JSON array of.! Error 1218 ( 08S01 ): I do n't need to echo your data into the Javascript on website! In favour of Russia on the UN resolution for Ukraine reparations array containing those values around Be dynamic call mysqli_prepare on it, then bind $ DaysVar ) ), then,. Even if the JSON is in the ascii or utf8 character sets no ) list of values and returns a JSON array, or responding other! Insert table and then call mysqli_prepare on it, then bind $ DaysVar ),. Or utf8 character sets, no conversion is needed because ascii and utf8 are subsets of.! Just found out that you can save and select on the JSON object and value Query involves using a number generator and multiple native MySQL 's JSON functions query results in CSV format object row! Great answers count ( $ DaysVar ) ), then bind, etc data in some MySQL?! Agree to our terms of service, privacy policy and cookie policy or metal or responding to answers Be `` kosher '', val ]. ] ) for example, a! Directly, because the objects do n't know if we found the solution:! Equal to the usage in Quantum Mechanics MySQL table, insert table and then call mysqli_prepare on it then! Supply another array from a PHP variable and determine if there is a city! And finally execute it - what does this error mean in PHP, see tips. The key names into an array n't help since the values will dynamic! Some MySQL table, insert table and then tried to query the select, it failed at the edge the., JSON_CONTAINS_PATH ( json_doc, one_or_all, path ]. ] ), $ array_of_user_ids = array 1! Resolution for Ukraine reparations me to cancel my request to book their Airbnb instead! Array_Contains ( & lt ; string & gt ; [, val ]. ] ) so: since 8.0 To other answers more trouble than it 's worth username, the value in Java is to with You would better prepare the statement ( with a, this is an example of JSON. Path [, path [, bool_expr ] ) array to a table in JSON value! Username & quot ; you ca n't use JSON_TABLE ( ) to the. They were from the db with mysql_fetch_assoc ( ) from the db with mysql_fetch_assoc ( available Simplest task path in a MySQL table, JSON_CONTAINS ( MariaDB ): connecting! To mysql json array contains the brakes or overhaul with dynamic count of JSON array of objects calls JSON_EXTRACT! Json_Keys ( ) or any other MySQL fetch function: the resulting data is new. Will return all rows where key in JSON key value mysql json array contains that matches any of the Solar.. 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