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namespace Google\Site_Kit_Dependencies\GuzzleHttp\Promise; /** * Get the global task queue used for promise resolution. * * This task queue MUST be run in an event loop in order for promises to be * settled asynchronously. It will be automatically run when synchronously * waiting on a promise. * * * while ($eventLoop->isRunning()) { * GuzzleHttp\Promise\queue()->run(); * } * * * @param TaskQueueInterface $assign Optionally specify a new queue instance. * * @return TaskQueueInterface * * @deprecated queue will be removed in guzzlehttp/promises:2.0. Use Utils::queue instead. */ function queue(\Google\Site_Kit_Dependencies\GuzzleHttp\Promise\TaskQueueInterface $assign = null) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::queue($assign); } /** * Adds a function to run in the task queue when it is next `run()` and returns * a promise that is fulfilled or rejected with the result. * * @param callable $task Task function to run. * * @return PromiseInterface * * @deprecated task will be removed in guzzlehttp/promises:2.0. Use Utils::task instead. */ function task(callable $task) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::task($task); } /** * Creates a promise for a value if the value is not a promise. * * @param mixed $value Promise or value. * * @return PromiseInterface * * @deprecated promise_for will be removed in guzzlehttp/promises:2.0. Use Create::promiseFor instead. */ function promise_for($value) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Create::promiseFor($value); } /** * Creates a rejected promise for a reason if the reason is not a promise. If * the provided reason is a promise, then it is returned as-is. * * @param mixed $reason Promise or reason. * * @return PromiseInterface * * @deprecated rejection_for will be removed in guzzlehttp/promises:2.0. Use Create::rejectionFor instead. */ function rejection_for($reason) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Create::rejectionFor($reason); } /** * Create an exception for a rejected promise value. * * @param mixed $reason * * @return \Exception|\Throwable * * @deprecated exception_for will be removed in guzzlehttp/promises:2.0. Use Create::exceptionFor instead. */ function exception_for($reason) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Create::exceptionFor($reason); } /** * Returns an iterator for the given value. * * @param mixed $value * * @return \Iterator * * @deprecated iter_for will be removed in guzzlehttp/promises:2.0. Use Create::iterFor instead. */ function iter_for($value) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Create::iterFor($value); } /** * Synchronously waits on a promise to resolve and returns an inspection state * array. * * Returns a state associative array containing a "state" key mapping to a * valid promise state. If the state of the promise is "fulfilled", the array * will contain a "value" key mapping to the fulfilled value of the promise. If * the promise is rejected, the array will contain a "reason" key mapping to * the rejection reason of the promise. * * @param PromiseInterface $promise Promise or value. * * @return array * * @deprecated inspect will be removed in guzzlehttp/promises:2.0. Use Utils::inspect instead. */ function inspect(\Google\Site_Kit_Dependencies\GuzzleHttp\Promise\PromiseInterface $promise) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::inspect($promise); } /** * Waits on all of the provided promises, but does not unwrap rejected promises * as thrown exception. * * Returns an array of inspection state arrays. * * @see inspect for the inspection state array format. * * @param PromiseInterface[] $promises Traversable of promises to wait upon. * * @return array * * @deprecated inspect will be removed in guzzlehttp/promises:2.0. Use Utils::inspectAll instead. */ function inspect_all($promises) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::inspectAll($promises); } /** * Waits on all of the provided promises and returns the fulfilled values. * * Returns an array that contains the value of each promise (in the same order * the promises were provided). An exception is thrown if any of the promises * are rejected. * * @param iterable $promises Iterable of PromiseInterface objects to wait on. * * @return array * * @throws \Exception on error * @throws \Throwable on error in PHP >=7 * * @deprecated unwrap will be removed in guzzlehttp/promises:2.0. Use Utils::unwrap instead. */ function unwrap($promises) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::unwrap($promises); } /** * Given an array of promises, return a promise that is fulfilled when all the * items in the array are fulfilled. * * The promise's fulfillment value is an array with fulfillment values at * respective positions to the original array. If any promise in the array * rejects, the returned promise is rejected with the rejection reason. * * @param mixed $promises Promises or values. * @param bool $recursive If true, resolves new promises that might have been added to the stack during its own resolution. * * @return PromiseInterface * * @deprecated all will be removed in guzzlehttp/promises:2.0. Use Utils::all instead. */ function all($promises, $recursive = \false) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::all($promises, $recursive); } /** * Initiate a competitive race between multiple promises or values (values will * become immediately fulfilled promises). * * When count amount of promises have been fulfilled, the returned promise is * fulfilled with an array that contains the fulfillment values of the winners * in order of resolution. * * This promise is rejected with a {@see AggregateException} if the number of * fulfilled promises is less than the desired $count. * * @param int $count Total number of promises. * @param mixed $promises Promises or values. * * @return PromiseInterface * * @deprecated some will be removed in guzzlehttp/promises:2.0. Use Utils::some instead. */ function some($count, $promises) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::some($count, $promises); } /** * Like some(), with 1 as count. However, if the promise fulfills, the * fulfillment value is not an array of 1 but the value directly. * * @param mixed $promises Promises or values. * * @return PromiseInterface * * @deprecated any will be removed in guzzlehttp/promises:2.0. Use Utils::any instead. */ function any($promises) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::any($promises); } /** * Returns a promise that is fulfilled when all of the provided promises have * been fulfilled or rejected. * * The returned promise is fulfilled with an array of inspection state arrays. * * @see inspect for the inspection state array format. * * @param mixed $promises Promises or values. * * @return PromiseInterface * * @deprecated settle will be removed in guzzlehttp/promises:2.0. Use Utils::settle instead. */ function settle($promises) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Utils::settle($promises); } /** * Given an iterator that yields promises or values, returns a promise that is * fulfilled with a null value when the iterator has been consumed or the * aggregate promise has been fulfilled or rejected. * * $onFulfilled is a function that accepts the fulfilled value, iterator index, * and the aggregate promise. The callback can invoke any necessary side * effects and choose to resolve or reject the aggregate if needed. * * $onRejected is a function that accepts the rejection reason, iterator index, * and the aggregate promise. The callback can invoke any necessary side * effects and choose to resolve or reject the aggregate if needed. * * @param mixed $iterable Iterator or array to iterate over. * @param callable $onFulfilled * @param callable $onRejected * * @return PromiseInterface * * @deprecated each will be removed in guzzlehttp/promises:2.0. Use Each::of instead. */ function each($iterable, callable $onFulfilled = null, callable $onRejected = null) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Each::of($iterable, $onFulfilled, $onRejected); } /** * Like each, but only allows a certain number of outstanding promises at any * given time. * * $concurrency may be an integer or a function that accepts the number of * pending promises and returns a numeric concurrency limit value to allow for * dynamic a concurrency size. * * @param mixed $iterable * @param int|callable $concurrency * @param callable $onFulfilled * @param callable $onRejected * * @return PromiseInterface * * @deprecated each_limit will be removed in guzzlehttp/promises:2.0. Use Each::ofLimit instead. */ function each_limit($iterable, $concurrency, callable $onFulfilled = null, callable $onRejected = null) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Each::ofLimit($iterable, $concurrency, $onFulfilled, $onRejected); } /** * Like each_limit, but ensures that no promise in the given $iterable argument * is rejected. If any promise is rejected, then the aggregate promise is * rejected with the encountered rejection. * * @param mixed $iterable * @param int|callable $concurrency * @param callable $onFulfilled * * @return PromiseInterface * * @deprecated each_limit_all will be removed in guzzlehttp/promises:2.0. Use Each::ofLimitAll instead. */ function each_limit_all($iterable, $concurrency, callable $onFulfilled = null) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Each::ofLimitAll($iterable, $concurrency, $onFulfilled); } /** * Returns true if a promise is fulfilled. * * @return bool * * @deprecated is_fulfilled will be removed in guzzlehttp/promises:2.0. Use Is::fulfilled instead. */ function is_fulfilled(\Google\Site_Kit_Dependencies\GuzzleHttp\Promise\PromiseInterface $promise) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Is::fulfilled($promise); } /** * Returns true if a promise is rejected. * * @return bool * * @deprecated is_rejected will be removed in guzzlehttp/promises:2.0. Use Is::rejected instead. */ function is_rejected(\Google\Site_Kit_Dependencies\GuzzleHttp\Promise\PromiseInterface $promise) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Is::rejected($promise); } /** * Returns true if a promise is fulfilled or rejected. * * @return bool * * @deprecated is_settled will be removed in guzzlehttp/promises:2.0. Use Is::settled instead. */ function is_settled(\Google\Site_Kit_Dependencies\GuzzleHttp\Promise\PromiseInterface $promise) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Is::settled($promise); } /** * Create a new coroutine. * * @see Coroutine * * @return PromiseInterface * * @deprecated coroutine will be removed in guzzlehttp/promises:2.0. Use Coroutine::of instead. */ function coroutine(callable $generatorFn) { return \Google\Site_Kit_Dependencies\GuzzleHttp\Promise\Coroutine::of($generatorFn); } Udemy限免：SQL Essentials从初学者到专业人员的SQL思考 | Udemy Coupon | Udemy优惠码 | Udemy免费课程 – 海外生活指南 | Udemy限免 | 免费TAFE课程 | 澳洲留学移民
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Udemy限免：SQL Essentials从初学者到专业人员的SQL思考 | Udemy Coupon | Udemy优惠码 | Udemy免费课程

Udemy限免：Udemy付费课程限时免费 • 2025年5月21日 • 0 Comment

SQL Essentials – Thinking in SQL from Beginners to Pro
SQL Essentials -从初学者到Pro的SQL思维，通过动手和练习为初学者学习SQL。 | Udemy付费课程限时免费 | Udemy Coupon | Udemy优惠码 | Udemy免费课程

Udemy课程介绍

SQL Essentials is a beginner’s course that will help you learn SQL programming from the basics and become proficient in writing medium to complex SQL queries and answering business questions.

This course is designed using ANSI SQL standard and uses one of the most in-demand skills – Spark SQL. These skills also apply to other major SQL databases, such as MySQL, Microsoft SQL Server, Amazon Redshift, Oracle, and more.

This course will help you learn the following topics.

  1. Writing simple to complex SQL queries and answering business questions
  2. Learn joins, group by, aggregates, and many other SQL clauses
  3. Handling date, time, strings, and working with SQL functions
  4. Master your skills with 50+ practice questions

This course specialises in the following complex aggregation and advanced SQL problems.

  1. Selecting and Filtering
  2. Different types of Join
  3. Subqueries
  4. CTE in SQL
  5. String functions
  6. Date and Time Arithmetic
  7. Simple aggregation
  8. Grouping Aggregation
  9. Multi-level aggregation
  10. Windowing Aggregation

This course also includes practice questions and hands-on exercises.

This course is ANSI SQL compliant and big data enabled – You will learn and practice SQL using Apache Spark SQL and be prepared to work as a Big Data Engineer using Apache Spark.

This is the best course for you if you are looking forward to growing as a Data Engineer.

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