Merge JSON array values across multiple rows in MySQL
Merge JSON array values across multiple rows in MySQL
Student
Content writing is the process of writing, editing, and publishing content in a digital format. That content can include blog posts, video or podcast scripts, ebooks or whitepapers, press releases, product category descriptions, landing page or social media copy and more.
Here is a SQL query that you can use to merge JSON array values across multiple rows in MySQL:
SQL
This query will first group the rows by the
idandnamecolumns. It will then aggregate thevaluecolumn into a JSON array. Thearray_agg()function will sort the values in the array by thekeycolumn. Thejson_array_agg()function will then create a JSON array from the aggregated values.The following is an example of the output of this query:
As you can see, the query has merged the
valuecolumns from the two rows into a single JSON array. The array is sorted by thekeycolumn.