{"id":3255,"date":"2024-04-25T08:06:18","date_gmt":"2024-04-25T01:06:18","guid":{"rendered":"https:\/\/www.sqlitetutorial.net\/?page_id=3255"},"modified":"2024-10-26T11:59:50","modified_gmt":"2024-10-26T04:59:50","slug":"sqlite-json-functions","status":"publish","type":"page","link":"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/","title":{"rendered":"SQLite JSON Functions"},"content":{"rendered":"\n<p>This page covers the SQLite JSON functions and operators that allow you to manipulate <a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json\/\">JSON data<\/a> effectively.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Section 1. Validating JSON Data<\/h2>\n\n\n\n<p>This section covers the functions related to validating JSON data and debugging JSON errors.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json-function\/\">json()<\/a> &#8211; Validate JSON data and return the minified JSON data with unnecessary spaces removed.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_pretty-function\/\">json_pretty()<\/a> &#8211; Format a JSON value to make it more human-readable.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_valid-function\/\">json_valid()<\/a> &#8211; Validate JSON data and return 1 if it is a well-formed JSON or zero if it is not.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_error_position-function\/\">json_error_position()<\/a> &#8211; Return the character position of the first syntax error if the input JSON is invalid.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Section 2. Creating JSON data<\/h2>\n\n\n\n<p>This section covers functions for creating JSON objects, and arrays, and converting a SQL value into its corresponding JSON values.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_array-function\/\">json_array()<\/a> &#8211; Create a JSON array from one or more values.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_object-function\/\">json_object()<\/a> &#8211; Create a JSON object from zero or more pairs of values.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_quote-function\/\">json_quote()<\/a> &#8211; Convert an SQLite value (a number or a string) into its corresponding JSON representation.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Section 3. Extract JSON Data<\/h2>\n\n\n\n<p>This section introduces the functions and operators for extracting values from JSON data.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_extract-function\/\">json_extract()<\/a> &#8211; Extract a value from JSON data based on a specified path.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json-operators\/\">JSON operator  -&gt; and -&gt;&gt;<\/a> &#8211; Extract a subcomponent from JSON based on a specified path as a JSON or SQL value.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Section 4. JSON CRUD<\/h2>\n\n\n\n<p>This section shows how to insert, update, remove, and merge JSON data.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_insert-function\/\">json_insert()<\/a> &#8211; Insert one or more values into JSON data based on specified JSON paths.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_replace-function\/\">json_replace()<\/a> &#8211; Update existing values in JSON data.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_set-function\/\">json_set()<\/a> &#8211; Modify existing value if it exists or create a new one if it does not.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_remove-function\/\">json_remove()<\/a> &#8211; Remove a value from JSON data.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_patch-function\/\">json_patch()<\/a> &#8211; Merge the original JSON object with a patched JSON object and return the patched version of the original JSON object.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Section 5. Aggregate functions<\/h2>\n\n\n\n<p>This section covers the function for aggregating values into a JSON array or object.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_group_array-function\/\">json_group_array<\/a> &#8211; Aggregate values into a JSON array.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_group_object-function\/\">json_group_object<\/a> &#8211; Aggregate name\/value pairs into a JSON object.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Section 6. JSON table-valued functions<\/h2>\n\n\n\n<p>This section discusses the JSON table-valued functions that allow you to iterate and extract JSON data effectively.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_each-function\/\">json_each()<\/a> &#8211; Iterate the top-level elements of a JSON object or array and return one row for each element.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_tree-function\/\">json_tree()<\/a> &#8211; Take a JSON value as input and return a table consisting of one row for each element (in an array) or member (in an object).<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Section 7. JSON utility functions<\/h2>\n\n\n\n<p>This section covers the JSON utility functions such as checking the type of a JSON element or getting the array&#8217;s length of a JSON array.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_type-function\/\">json_type()<\/a> &#8211; Return the type of the top-level element of a JSON value.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/sqlite-json_array_length-function\/\">json_array_length()<\/a> &#8211; Return the number of elements in a JSON array.<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div class=\"wth-question\">Was this tutorial helpful ?<\/div>\n\t\t<div class=\"wth-thumbs\">\n\t\t\t<button\n\t\t\t\tdata-post=\"3255\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqlitetutorial.net\/sqlite-json-functions\/\"\n\t\t\t\tdata-post-title=\"SQLite JSON 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