Notice: Trying to get property 'num_rows' of non-object (how to trouble-shoot SQL statement?)









up vote
-1
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I've seen some threads on Stack Overflow with this error in the title, and all the answers basically say the same thing: there's something wrong with your SQL query. Now, I'm new to SQL and I'm really not getting any errors from my page other than that one. How can I trouble-shoot my SQL statement?



SELECT COUNT(*) FROM `rating` AS x, avg(`rating`) AS dep_avg WHERE department='IG'


PHP code:



<!DOCTYPE html>
<html lang="en" dir="ltr">
 <head>
 <meta charset="utf-8">
 <title>Averages</title>
 <link rel="stylesheet" href="css/master.css">
 <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.2.0/css/all.css" integrity="sha384-hWVjflwFxL6sNzntih27bfxkr27PmbbK/iSvJ+a4+0owXq79v+lsFkW54bOGbiDQ" crossorigin="anonymous">
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
 </head>
 <body>
 <div class="pb">
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Change View</h5>
 <p class="card-text">Currently, you are viewing overall values. Click the link below to view monthly rates (rates are measured 1 - 5 one being the worst).</p>
 <a href="wavg.php" class="card-link">View Monthly Rates</a>
 <a href="index.php" class="card-link">Take Survey</a>
 </div>
 </div>
 </div>
 </div>
 <?php
 require 'db.php';

 $rot = 0;
 $deps = array("cutting", "tempering", "IG", "bars", "fabrication", "paint", "shipping");
 while ($rot < 6) 
 $cur_dep = $deps[$rot];

 $sql = "SELECT COUNT(*) AS x, avg(`rating`) AS dep_avg WHERE department='$cur_dep'";
 $result = $con->query($sql);
 if ($result->num_rows > 0) 
 if ($row["dep_avg"] < 3.0) 
 echo '
 <div class="alert alert-danger sp" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-down"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';
 else 
 echo '
 <div class="alert alert-success" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-up"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';

 
 if (!$result) 
 trigger_error('Invalid query: ' . $con->error);
 
 else 
 echo "<div class='alert alert-primary'><h1 class='alert-heading'>No data</h1></div>";
 

 $rot++;
 
 ?>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Issues?</h5>
 <p class="card-text">If there are any issues (parse errors, database errors, etc.) please contact Will Hoffman below.</p>
 <a href="https://willwam.com/contact" target="_blank" class="card-link">Contact</a>
 </div>
 </div>
 </div>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">View Git Repo</h5>
 <p class="card-text">You can view the Git repo below for an always up-to-date version.</p>
 <a href="https://github.com/WillWammer/tristar-survey" target="_blank" class="card-link">View Repo</a>
 </div>
 </div>
 </div> 
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Creator</h5>
 <p class="card-text">See the blog, see the Patreon page</p>
 <a href="https://willwam.com/" target="_blank" class="card-link">Blog</a>
 <a href="https://patreon.com/WillWam" target="_blank" class="card-link">Patreon</a>
 </div>
 </div>
 </div>
 </body>
</html>


Error:



#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'WHERE department='IG'' at line 1





php mysql







share|improve this question



















  • 1




    Theres's no num_rows in sql query, so please can you add php code too?
    – TrueTiem
    Nov 10 at 19:58











  • Welcome, to improve your experience on SO please read how to ask an On Topic question, and the Question Check list and the perfect question and how to create a [Minimal, Complete and Verifiable
    – RiggsFolly
    Nov 10 at 20:04










  • @TrueTiem, sorry I forgot
    – Widdles
    Nov 10 at 20:06






  • 1




    simple test: run the query in phpMyAdmin and see if it works or creates an error
    – RiggsFolly
    Nov 10 at 20:06










  • And the complete and unsummarised error message as well please
    – RiggsFolly
    Nov 10 at 20:09















up vote
-1
down vote

favorite












I've seen some threads on Stack Overflow with this error in the title, and all the answers basically say the same thing: there's something wrong with your SQL query. Now, I'm new to SQL and I'm really not getting any errors from my page other than that one. How can I trouble-shoot my SQL statement?



SELECT COUNT(*) FROM `rating` AS x, avg(`rating`) AS dep_avg WHERE department='IG'


PHP code:



<!DOCTYPE html>
<html lang="en" dir="ltr">
 <head>
 <meta charset="utf-8">
 <title>Averages</title>
 <link rel="stylesheet" href="css/master.css">
 <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.2.0/css/all.css" integrity="sha384-hWVjflwFxL6sNzntih27bfxkr27PmbbK/iSvJ+a4+0owXq79v+lsFkW54bOGbiDQ" crossorigin="anonymous">
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
 </head>
 <body>
 <div class="pb">
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Change View</h5>
 <p class="card-text">Currently, you are viewing overall values. Click the link below to view monthly rates (rates are measured 1 - 5 one being the worst).</p>
 <a href="wavg.php" class="card-link">View Monthly Rates</a>
 <a href="index.php" class="card-link">Take Survey</a>
 </div>
 </div>
 </div>
 </div>
 <?php
 require 'db.php';

 $rot = 0;
 $deps = array("cutting", "tempering", "IG", "bars", "fabrication", "paint", "shipping");
 while ($rot < 6) 
 $cur_dep = $deps[$rot];

 $sql = "SELECT COUNT(*) AS x, avg(`rating`) AS dep_avg WHERE department='$cur_dep'";
 $result = $con->query($sql);
 if ($result->num_rows > 0) 
 if ($row["dep_avg"] < 3.0) 
 echo '
 <div class="alert alert-danger sp" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-down"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';
 else 
 echo '
 <div class="alert alert-success" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-up"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';

 
 if (!$result) 
 trigger_error('Invalid query: ' . $con->error);
 
 else 
 echo "<div class='alert alert-primary'><h1 class='alert-heading'>No data</h1></div>";
 

 $rot++;
 
 ?>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Issues?</h5>
 <p class="card-text">If there are any issues (parse errors, database errors, etc.) please contact Will Hoffman below.</p>
 <a href="https://willwam.com/contact" target="_blank" class="card-link">Contact</a>
 </div>
 </div>
 </div>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">View Git Repo</h5>
 <p class="card-text">You can view the Git repo below for an always up-to-date version.</p>
 <a href="https://github.com/WillWammer/tristar-survey" target="_blank" class="card-link">View Repo</a>
 </div>
 </div>
 </div> 
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Creator</h5>
 <p class="card-text">See the blog, see the Patreon page</p>
 <a href="https://willwam.com/" target="_blank" class="card-link">Blog</a>
 <a href="https://patreon.com/WillWam" target="_blank" class="card-link">Patreon</a>
 </div>
 </div>
 </div>
 </body>
</html>


Error:



#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'WHERE department='IG'' at line 1





php mysql







share|improve this question



















  • 1




    Theres's no num_rows in sql query, so please can you add php code too?
    – TrueTiem
    Nov 10 at 19:58











  • Welcome, to improve your experience on SO please read how to ask an On Topic question, and the Question Check list and the perfect question and how to create a [Minimal, Complete and Verifiable
    – RiggsFolly
    Nov 10 at 20:04










  • @TrueTiem, sorry I forgot
    – Widdles
    Nov 10 at 20:06






  • 1




    simple test: run the query in phpMyAdmin and see if it works or creates an error
    – RiggsFolly
    Nov 10 at 20:06










  • And the complete and unsummarised error message as well please
    – RiggsFolly
    Nov 10 at 20:09













up vote
-1
down vote

favorite









up vote
-1
down vote

favorite











I've seen some threads on Stack Overflow with this error in the title, and all the answers basically say the same thing: there's something wrong with your SQL query. Now, I'm new to SQL and I'm really not getting any errors from my page other than that one. How can I trouble-shoot my SQL statement?



SELECT COUNT(*) FROM `rating` AS x, avg(`rating`) AS dep_avg WHERE department='IG'


PHP code:



<!DOCTYPE html>
<html lang="en" dir="ltr">
 <head>
 <meta charset="utf-8">
 <title>Averages</title>
 <link rel="stylesheet" href="css/master.css">
 <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.2.0/css/all.css" integrity="sha384-hWVjflwFxL6sNzntih27bfxkr27PmbbK/iSvJ+a4+0owXq79v+lsFkW54bOGbiDQ" crossorigin="anonymous">
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
 </head>
 <body>
 <div class="pb">
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Change View</h5>
 <p class="card-text">Currently, you are viewing overall values. Click the link below to view monthly rates (rates are measured 1 - 5 one being the worst).</p>
 <a href="wavg.php" class="card-link">View Monthly Rates</a>
 <a href="index.php" class="card-link">Take Survey</a>
 </div>
 </div>
 </div>
 </div>
 <?php
 require 'db.php';

 $rot = 0;
 $deps = array("cutting", "tempering", "IG", "bars", "fabrication", "paint", "shipping");
 while ($rot < 6) 
 $cur_dep = $deps[$rot];

 $sql = "SELECT COUNT(*) AS x, avg(`rating`) AS dep_avg WHERE department='$cur_dep'";
 $result = $con->query($sql);
 if ($result->num_rows > 0) 
 if ($row["dep_avg"] < 3.0) 
 echo '
 <div class="alert alert-danger sp" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-down"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';
 else 
 echo '
 <div class="alert alert-success" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-up"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';

 
 if (!$result) 
 trigger_error('Invalid query: ' . $con->error);
 
 else 
 echo "<div class='alert alert-primary'><h1 class='alert-heading'>No data</h1></div>";
 

 $rot++;
 
 ?>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Issues?</h5>
 <p class="card-text">If there are any issues (parse errors, database errors, etc.) please contact Will Hoffman below.</p>
 <a href="https://willwam.com/contact" target="_blank" class="card-link">Contact</a>
 </div>
 </div>
 </div>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">View Git Repo</h5>
 <p class="card-text">You can view the Git repo below for an always up-to-date version.</p>
 <a href="https://github.com/WillWammer/tristar-survey" target="_blank" class="card-link">View Repo</a>
 </div>
 </div>
 </div> 
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Creator</h5>
 <p class="card-text">See the blog, see the Patreon page</p>
 <a href="https://willwam.com/" target="_blank" class="card-link">Blog</a>
 <a href="https://patreon.com/WillWam" target="_blank" class="card-link">Patreon</a>
 </div>
 </div>
 </div>
 </body>
</html>


Error:



#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'WHERE department='IG'' at line 1





php mysql







share|improve this question















I've seen some threads on Stack Overflow with this error in the title, and all the answers basically say the same thing: there's something wrong with your SQL query. Now, I'm new to SQL and I'm really not getting any errors from my page other than that one. How can I trouble-shoot my SQL statement?



SELECT COUNT(*) FROM `rating` AS x, avg(`rating`) AS dep_avg WHERE department='IG'


PHP code:



<!DOCTYPE html>
<html lang="en" dir="ltr">
 <head>
 <meta charset="utf-8">
 <title>Averages</title>
 <link rel="stylesheet" href="css/master.css">
 <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.2.0/css/all.css" integrity="sha384-hWVjflwFxL6sNzntih27bfxkr27PmbbK/iSvJ+a4+0owXq79v+lsFkW54bOGbiDQ" crossorigin="anonymous">
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
 </head>
 <body>
 <div class="pb">
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Change View</h5>
 <p class="card-text">Currently, you are viewing overall values. Click the link below to view monthly rates (rates are measured 1 - 5 one being the worst).</p>
 <a href="wavg.php" class="card-link">View Monthly Rates</a>
 <a href="index.php" class="card-link">Take Survey</a>
 </div>
 </div>
 </div>
 </div>
 <?php
 require 'db.php';

 $rot = 0;
 $deps = array("cutting", "tempering", "IG", "bars", "fabrication", "paint", "shipping");
 while ($rot < 6) 
 $cur_dep = $deps[$rot];

 $sql = "SELECT COUNT(*) AS x, avg(`rating`) AS dep_avg WHERE department='$cur_dep'";
 $result = $con->query($sql);
 if ($result->num_rows > 0) 
 if ($row["dep_avg"] < 3.0) 
 echo '
 <div class="alert alert-danger sp" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-down"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';
 else 
 echo '
 <div class="alert alert-success" role="alert" class="sp">
 <h1 class="alert-heading">Shipping Average <i class="fas fa-arrow-up"></i></h1>
 <p class="mb-0">This department has been rated '.$row["x"].' times</p>
 <p class="mb-0">The average rating is '.$row["dep_avg"].'</p>
 </div>
 ';

 
 if (!$result) 
 trigger_error('Invalid query: ' . $con->error);
 
 else 
 echo "<div class='alert alert-primary'><h1 class='alert-heading'>No data</h1></div>";
 

 $rot++;
 
 ?>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Issues?</h5>
 <p class="card-text">If there are any issues (parse errors, database errors, etc.) please contact Will Hoffman below.</p>
 <a href="https://willwam.com/contact" target="_blank" class="card-link">Contact</a>
 </div>
 </div>
 </div>
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">View Git Repo</h5>
 <p class="card-text">You can view the Git repo below for an always up-to-date version.</p>
 <a href="https://github.com/WillWammer/tristar-survey" target="_blank" class="card-link">View Repo</a>
 </div>
 </div>
 </div> 
 <div class="pb">
 <div class="card" style="width:100%;">
 <div class="card-body">
 <h5 class="card-title">Creator</h5>
 <p class="card-text">See the blog, see the Patreon page</p>
 <a href="https://willwam.com/" target="_blank" class="card-link">Blog</a>
 <a href="https://patreon.com/WillWam" target="_blank" class="card-link">Patreon</a>
 </div>
 </div>
 </div>
 </body>
</html>


Error:



#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'WHERE department='IG'' at line 1





php mysql




php mysql






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 16 at 8:03









halfer

14.2k757105




14.2k757105










asked Nov 10 at 19:53









Widdles

11




11







  • 1




    Theres's no num_rows in sql query, so please can you add php code too?
    – TrueTiem
    Nov 10 at 19:58











  • Welcome, to improve your experience on SO please read how to ask an On Topic question, and the Question Check list and the perfect question and how to create a [Minimal, Complete and Verifiable
    – RiggsFolly
    Nov 10 at 20:04










  • @TrueTiem, sorry I forgot
    – Widdles
    Nov 10 at 20:06






  • 1




    simple test: run the query in phpMyAdmin and see if it works or creates an error
    – RiggsFolly
    Nov 10 at 20:06










  • And the complete and unsummarised error message as well please
    – RiggsFolly
    Nov 10 at 20:09













  • 1




    Theres's no num_rows in sql query, so please can you add php code too?
    – TrueTiem
    Nov 10 at 19:58











  • Welcome, to improve your experience on SO please read how to ask an On Topic question, and the Question Check list and the perfect question and how to create a [Minimal, Complete and Verifiable
    – RiggsFolly
    Nov 10 at 20:04










  • @TrueTiem, sorry I forgot
    – Widdles
    Nov 10 at 20:06






  • 1




    simple test: run the query in phpMyAdmin and see if it works or creates an error
    – RiggsFolly
    Nov 10 at 20:06










  • And the complete and unsummarised error message as well please
    – RiggsFolly
    Nov 10 at 20:09








1




1




Theres's no num_rows in sql query, so please can you add php code too?
– TrueTiem
Nov 10 at 19:58





Theres's no num_rows in sql query, so please can you add php code too?
– TrueTiem
Nov 10 at 19:58













Welcome, to improve your experience on SO please read how to ask an On Topic question, and the Question Check list and the perfect question and how to create a [Minimal, Complete and Verifiable
– RiggsFolly
Nov 10 at 20:04




Welcome, to improve your experience on SO please read how to ask an On Topic question, and the Question Check list and the perfect question and how to create a [Minimal, Complete and Verifiable
– RiggsFolly
Nov 10 at 20:04












@TrueTiem, sorry I forgot
– Widdles
Nov 10 at 20:06




@TrueTiem, sorry I forgot
– Widdles
Nov 10 at 20:06




1




1




simple test: run the query in phpMyAdmin and see if it works or creates an error
– RiggsFolly
Nov 10 at 20:06




simple test: run the query in phpMyAdmin and see if it works or creates an error
– RiggsFolly
Nov 10 at 20:06












And the complete and unsummarised error message as well please
– RiggsFolly
Nov 10 at 20:09





And the complete and unsummarised error message as well please
– RiggsFolly
Nov 10 at 20:09


















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Barbados

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For other uses, see Barbados (disambiguation). Not to be confused with Barbuda. Coordinates: 13°10′N 59°33′W  /  13.167°N 59.550°W  / 13.167; -59.550 Barbados Flag Coat of arms Motto:  "Pride and Industry" Anthem:  In Plenty and In Time of Need Capital and largest city Bridgetown 13°06′N 59°37′W  /  13.100°N 59.617°W  / 13.100; -59.617 Official languages English Recognised regional languages Bajan Creole Ethnic groups (est. 2010 [1] ) 92.4% black 3.1% multiracial 2.7% white 1.3% East Indian 0.5% other/unspecified Religion 75.6% Christian 2.5% other 20.6% none 1.2% unspecified [1] Demonym(s) Barbadian Bajan (colloquial) Government Unitary parliamentary constitutional monarchy • Monarch Elizabeth II •  Governor-General Dame Sandra Mason • Prime Minister Mia Mottley Legislature Parliament • Upper house Senate • Lower house House of Assembly Independence • From the United Kingdom 30 November 1966 Area • Total 439 km 2 (169 sq mi) (183rd) • Water (%) Negligib
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How to read a connectionString WITH PROVIDER in .NET Core?

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6 I added .AddJsonFile("Connections.json", optional: true, reloadOnChange: true) in public Startup(IHostingEnvironment env) Connections.json contains: "ConnectionStrings": "DefaultConnection": "Server=(localdb)\mssqllocaldb;Database=DATABASE;Trusted_Connection=True;MultipleActiveResultSets=true", "COR-W81-101": "Data Source=DATASOURCE;Initial Catalog=P61_CAFM_Basic;User Id=USERID;Password=PASSWORD;Persist Security Info=False;MultipleActiveResultSets=False;Packet Size=4096;", "COR-W81-100": "Data Source=DATASOURCE;Initial Catalog=Post_PS;User Id=USERID;Password=PASSWORD;Persist Security Info=False;MultipleActiveResultSets=False;Packet Size=4096;", "MSEDGEWIN10": "Data Source=DATASOURCE; Initial Catalog=COR_Basic; Persist Security Info=False;Integrated Security=true;MultipleActiveResultSets=False;Packet Size=4096;Application Name="COR_Basic"", "server&qu
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Node.js Script on GitHub Pages or Amazon S3

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0 I'm wondering if I can run a Node.js script in my Jekyll page from GitHub Pages or Amazon S3? I think it can't run on GitHub Pages since it doesn't support server side code. Not too sure. The code is below: var Airtable = require('airtable'); var base = new Airtable(apiKey: 'YOUR_API_KEY').base('appAnZVyYqusNPV5Q'); base('Invitee list').select( // Selecting the first 3 records in Complete list: maxRecords: 3, view: "Complete list" ).eachPage(function page(records, fetchNextPage) // This function (`page`) will get called for each page of records. records.forEach(function(record) console.log('Retrieved', record.get('Email')); ); // To fetch the next page of records, call `fetchNextPage`. // If there are more records, `page` will get called again. // If there are no more records, `done` will get called. fetchNextPage(); , function done(err) if (err) console.error(err); return; ); node.js
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