Postgres and Open Source Experts

The json_each() function converts the top-level JSON object into the expanded key-value pairs. It accepts a JSON object as an input and converts and returns the expanded key-value pairs.

The JSON object is provided to the json_object_keys() function as an argument and it returns a column containing all the keys present in that particular JSON object.

The PostgreSQL quote_literal() function takes in a string and returns the same string enclosed with the single quotations.

In PostgreSQL, the json_strip_nulls() function removes/eliminates the fields in the JSON object that have NULL values.

In PostgreSQL, the jsonb_build_object() function takes a heterogeneous list of parameters and converts them into JSON objects.

The quote_nullable() function in PostgreSQL is used to enclose the string within single quotations. The string is provided to the function as an argument and it returns the single quote enclosed string.

Postgres offers the to_hex() function to convert a number/numeric value into its hexadecimal representation. It takes an integer as an argument and returns a string data type

The PostgreSQL json_object() function builds a JSON object from the provided TEXT array or arrays. It takes a text array or two text arrays.

The PostgreSQL json_each_text() function converts the JSON object into its small decomposed key-value pairs.

The Postgres json_to_record() function takes a top-level JSON object as input, converts it into a table record/row, and returns it.