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en:comet:cometql [2017/01/19 09:06] levhav [Table users_in_pipes] |
en:comet:cometql [2017/08/15 04:37] levhav [Table users_time] |
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| + | <rst>EN::002-API::002-CometQL::004-CometQL API</rst> | ||
| + | |||
| ====== CometQL ====== | ====== CometQL ====== | ||
| Line 36: | Line 38: | ||
| </code> | </code> | ||
| - | Else you can use [[comet:cometql:cli|online command prompt]]. You can find it on the bottom of the right corner on all of the pages. | + | Else you can use [[en:comet:cometql:cli|online command prompt]]. You can find it on the bottom of the right corner on all of the pages. |
| - | <note tip>[[comet:cometql:cli|Here you can test source code based on PHP with CometQL]] using for online command prompt implementation.</note> | + | <note tip>[[en:comet:cometql:cli|Here you can test source code based on PHP with CometQL]] using for online command prompt implementation.</note> |
| + | |||
| + | An example of connecting to a comet server from php. | ||
| + | <code php> | ||
| + | $dev_id = "15"; // Used as login | ||
| + | $dev_key = "lPXBFPqNg3f661JcegBY0N0dPXqUBdHXqj2cHf04PZgLHxT6z55e20ozojvMRvB8"; // Used as a password | ||
| - | <note important>Also are cases when you can’t use MySQL protocol to connecting comet server. For these cases you can send commands to comet server by HTTP/HTTPS. Read the article [[comet:cometql:HTTP|sending CometQL queries by HTTP]].</note> | + | // The connection looks like we connected to the database. You can use the functions to work with mysql |
| + | // But in fact you are connecting to the comet server. | ||
| + | $link = mysqli_connect("app.comet-server.ru", $dev_id, $dev_key, "CometQL_v1"); | ||
| + | if(!$link) | ||
| + | { | ||
| + | die("Could not create connection with CometQL"); | ||
| + | } | ||
| + | $result = mysqli_query ( $link, "show status" ); | ||
| + | if(mysqli_errno($link) != 0) | ||
| + | { | ||
| + | echo "Error code:<a href='https://comet-server.com/wiki/doku.php/en:comet:cometql:error' target='_blank' >".mysqli_errno($link)."</a>"; | ||
| + | echo "Error text:<a href='https://comet-server.com/wiki/doku.php/en:comet:cometql:error' target='_blank' >".mysqli_error($link)."</a>"; | ||
| + | exit; | ||
| + | } | ||
| + | |||
| + | while($row = mysqli_fetch_assoc($result)) | ||
| + | { | ||
| + | echo "<pre>"; | ||
| + | var_dump($row); | ||
| + | echo "</pre><br>"; | ||
| + | } | ||
| + | |||
| + | </code> | ||
| ====== Table description ====== | ====== Table description ====== | ||
| Line 48: | Line 77: | ||
| Notes of current implementation of CometSQL: | Notes of current implementation of CometSQL: | ||
| * CometSQL doesn’t implement all methods of SQL. A part of functions planned to realize in future. But some notes were applied in order to optimize inner structure of Comet server. | * CometSQL doesn’t implement all methods of SQL. A part of functions planned to realize in future. But some notes were applied in order to optimize inner structure of Comet server. | ||
| - | * To [[comet:cometql:optimization_for_the_cluster|optimize internal logics]], such operations like delete and insert doesn’t return amount of used lines (it belongs to CometQL v.1.0). | + | * To [[en:comet:cometql:optimization_for_the_cluster|optimize internal logics]], such operations like delete and insert doesn’t return amount of used lines (it belongs to CometQL v.1.0). |
| * Supporting such operators like AND, OR and ORDER BY in queries will be realize soon. | * Supporting such operators like AND, OR and ORDER BY in queries will be realize soon. | ||
| - | <note warning>Some of hosting providers determine forbiddance (или ban) on external connections – you can face with this on some free or half-free hosting services. In order to check ability to use CometQL, you can take advantage of [[comet:testhosting|hosting verification script]]. </note> | + | <note warning>Some of hosting providers determine forbiddance (или ban) on external connections – you can face with this on some free or half-free hosting services. In order to check ability to use CometQL, you can take advantage of [[en:comet:testhosting|hosting verification script]]. </note> |
| ===== Table pipes_messages ===== | ===== Table pipes_messages ===== | ||
| Line 86: | Line 115: | ||
| Input channel name “pipe _name” and click “subscribe”. | Input channel name “pipe _name” and click “subscribe”. | ||
| <html> | <html> | ||
| - | <iframe src="//comet-server.ru/doc/example/7/subscriptionTest.php" width="910px"></iframe> | + | <iframe src="//comet-server.com/doc/example/7/subscriptionTest.php" width="910px"></iframe> |
| </html> | </html> | ||
| Now perform with online command prompt insert-query with pipes_messages and check the result. | Now perform with online command prompt insert-query with pipes_messages and check the result. | ||
| Line 113: | Line 142: | ||
| Input channel name “web_admins” and click “subscribe”. | Input channel name “web_admins” and click “subscribe”. | ||
| <html> | <html> | ||
| - | <iframe src="//comet-server.ru/doc/example/7/subscriptionTest.php" width="910px"></iframe> | + | <iframe src="//comet-server.com/doc/example/7/subscriptionTest.php" width="910px"></iframe> |
| </html> | </html> | ||
| Now perform query again and you will see that amount of subscribers are increase. | Now perform query again and you will see that amount of subscribers are increase. | ||
| Line 194: | Line 223: | ||
| ===== Table users_time ===== | ===== Table users_time ===== | ||
| - | The table users_time contains data about users were online. This table is available only for reading. Data timing stores in UNIX-time. | + | The table users_time contains data about when users were online. This table is available only for reading. Data timing stores in UNIX-time. |
| <code sql> | <code sql> | ||
| mysql> select * from users_time where id in( 2, 3, 145); | mysql> select * from users_time where id in( 2, 3, 145); | ||
| Line 235: | Line 264: | ||
| ===== Other information ===== | ===== Other information ===== | ||
| - | * [[en:comet:cometql:cli|Example of using CometQL based on PHP;]] | ||
| * [[en:comet:cometql-bash-example|Example of sending messages from bash.]] | * [[en:comet:cometql-bash-example|Example of sending messages from bash.]] | ||
| * [[en:comet:cometql:error|Error code in CometQL]] | * [[en:comet:cometql:error|Error code in CometQL]] | ||
| * [[en:comet:javascript_api:pipe-types|Reserved channel names]] | * [[en:comet:javascript_api:pipe-types|Reserved channel names]] | ||
| * [[en:comet:javascript_api|JavaScript API]] | * [[en:comet:javascript_api|JavaScript API]] | ||
| - | * [[en:comet:testhosting|Why the script runs on the local machine and does not work on hosting?]] | + | * [[en:comet:dev_id|What it is and why do we need "A public developer token" and "Secret developer key?"]] |
| - | * [[en:comet:faq:public_key|What it is and why do we need "A public developer token" and "Secret developer key?"]] | + | |
| - | * [[en:comet:faq:send-message-to-pipe|How to send a message to an arbitrary channel and how to then get on another page?]] | + | |
| - | * [[en:comet:faq:realtime-users-list|How to implement a mechanism for tracking users entering the site. That is a list of visitors updated on the "fly"?]] | + | |
| ====== Reserved channels names ====== | ====== Reserved channels names ====== | ||