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Sanity Schema Design and GROQ Query Examples

This document provides schema design examples and corresponding GROQ queries for various use cases. It’s a practical guide for developers to get familiar with GROQ querying and the basics of Sanity schema design.

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Query to Get All Top-Level Types

Use the following query to retrieve a list of all unique top-level types in your dataset:

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import { NextApiRequest, NextApiResponse } from "next";

export default async function handler(
  req: NextApiRequest,
  res: NextApiResponse
) {
  if (
    !req.query.revalidate_token ||
    !process.env.REVALIDATE_TOKEN ||
    req.query.revalidate_token !== process.env.REVALIDATE_TOKEN

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Basic

curl https://www.keycdn.com

Returning only the HTTP headers of a URL

curl -I https://www.keycdn.com

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ALTER

ALTER TABLE table_name
ADD column_name datatype;

AND

SELECT column_name(s) 
FROM table_name

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// Naive recursion.
function fib1(n) {
  if (n <= 1) {
    return n
  }

  return fib1(n - 1) + fib1(n - 2)
}
{
  console.log('fib1')

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$ redis-cli --rdb dump-before.rdb save
$ redis-cli --rdb dump-after.rdb save
$ pip install rdbtools python-lzf
$ rdb --command diff dump-before.rdb | sort > sorted-dump-before.out
$ rdb --command diff dump-after.rdb | sort > sorted-dump-after.out
$ diff sorted-dump-before.out sorted-dump-after.out

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type PartiallyRequired<T, K extends keyof T> = Pick<T, K> & Partial<T>;

type Test = {
  foo: string;
  bar: string;
  baz: string;
};

type Test1 = PartiallyRequired<Test, "foo">;

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Matchers
^
  Match starting position
.
  Match any single character, enclose in bracket for literal dot
  a.c -> "abc", etc.
  [a.c] -> "a", ".", "c"
[ ]
  Match single character, or character within range
  [abc], [a-c] -> "a", "b", "c"

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AWSTemplateFormatVersion: "version date"

" String
Description:

" template metadata
" arbitrary yaml
" CloudFormation helper scripts
"   cfn-init, cfn-signal, cfn-get-metadata, cfn-hup
" Resources can have Metadata (install scripts, etc.)