To do this, we can use the HAVING clause: SELECT JSON_UNQUOTE ( JSON_EXTRACT ( data, '$. It is common to use the selected JSON field as a condition. This will output: 921213 #Use the selected field as a condition To use dot notation in the selection path, we can wrap it with double quotes: SELECT JSON_UNQUOTE ( JSON_EXTRACT ( data, '$."mobile_no."' )) AS mobile FROM users You cannot use the dot notation directly in the selection field, because it will be treated as a denominator. JSON or JavaScript Object Notation is a lightweight text-based open standard designed for human-readable data interchange. ![]() In our sample data, it contains a JSON field called "mobile_no.", pay attention to the ending dot notation. In this article we are going to discuss how to use JSONPath expressions in the Data Selector in order to query and filter JSON data returned from the web. This will output Betty #Use dot notation in the selection path To remove the double quotes from the selection result, we can use JSON_UNQUOTE function: SELECT JSON_UNQUOTE ( JSON_EXTRACT ( data, '$.name' )) AS name FROM users You may have noticed double quotes in the previous sample. This will output "Betty" #Remove double quotes from selection result For example, to select the name field: SELECT JSON_EXTRACT ( data, '$.name' ) AS name FROM users To select a particular field from JSON, we can use the JSON_EXTRACT function. It currently holds a user JSON data with three fields: For servers that don't, it can be helpful to pipe the response through jq to pretty-print it. jq is written in portable C, and it has zero runtime. ![]() ![]() Try online at jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text. curl ' Show result GitHub returns nicely formatted JSON. jq is a lightweight and flexible command-line JSON processor. This URL gets us the last 5 commits from the jq repo. #Sample dataįor demonstration purpose, suppose we have created a database table with the following data: +-+ | data | +-+ | | +-+ Tutorial GitHub has a JSON API, so let's play with that. In this tutorial, we will learn how to search for JSON data in MySQL. Remove double quotes from selection resultĪs of MySQL 5.7.8, MySQL supports a native JSON data type.
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