www.webdeveloper.com
Results 1 to 4 of 4

Thread: [RESOLVED] Select * works but not individual columns

  1. #1
    Join Date
    Apr 2012
    Posts
    12

    resolved [RESOLVED] Select * works but not individual columns

    Hello,
    could you please help me figure out why selecting all works but not individual columns? When selecting individual columns I get an empty result set.
    Code is below.

    I greatly appreciate the help, i have been looking at this for hours.

    PHP Code:
    function getBookReviews($connection)
    {
            
    //works
            
    $sql="SELECT * FROM theDatabase Where isbn = " $_POST['isbn'];

            
    //returns empty set
        //$sql="SELECT index, parent, user, primary, review, spoilers FROM theDatabase Where isbn = " . $_POST['isbn'];

        
    $result mysql_query($sql$connection);
        
    $reviews = array();
        
        while (
    $row mysql_fetch_array($result))
        {
            
    $review['index'] = $row['index'];
            
    $review['parent'] = $row['parent'];
            
    $review['user'] = $row['user'];
            
    $review['primary'] = $row['primary'];
            
    $review['review'] = $row['review'];
            
    $review['spoilers'] = $row['spoilers'];
        
            
    array_push($reviews,$review);
        }
            
        echo 
    json_encode($reviews);
                
        
    mysql_free_result($result);


  2. #2
    Join Date
    Aug 2004
    Location
    Ankh-Morpork
    Posts
    22,282
    Try quoting the column names -- in MySQL typically done with the `back-tick` character -- as some of them may be reserved words.

    PS: You can help the debugging by checking to see if the result of your mysql_query() is false, and if so log or output an error with info from mysql_error().

    PPS: The PHP MySQL extension is now deprecated, and you should really be using either the MySQLi extension or even the PDO extension.
    "Well done....Consciousness to sarcasm in five seconds!" ~ Terry Pratchett, Night Watch

    How to Ask Questions the Smart Way (not affiliated with this site, but well worth reading)

    My Blog
    cwrBlog: simple, no-database PHP blogging framework

  3. #3
    Join Date
    Apr 2012
    Posts
    12
    That was it, thank you for the help. index and primary are reserved words.

    I will do as you advise and look into MySQLi. Thank you again

  4. #4
    Join Date
    Sep 2011
    Posts
    60
    when you naming columns try to avoid reserve words like index, primary, user....it will help

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
HTML5 Development Center

"

"

X vBulletin 4.2.2 Debug Information

  • Page Generation 0.46657 seconds
  • Memory Usage 2,873KB
  • Queries Executed 15 (?)
More Information
Template Usage (33):
  • (1)SHOWTHREAD
  • (1)ad_footer_end
  • (1)ad_footer_start
  • (1)ad_global_above_footer
  • (1)ad_global_below_navbar
  • (1)ad_global_header1
  • (1)ad_global_header2
  • (1)ad_navbar_below
  • (1)ad_showthread_firstpost_sig
  • (1)ad_showthread_firstpost_start
  • (1)ad_thread_first_post_content
  • (1)ad_thread_last_post_content
  • (1)bbcode_php
  • (1)footer
  • (1)forumjump
  • (1)forumrules
  • (1)gobutton
  • (1)header
  • (1)headinclude
  • (1)headinclude_bottom
  • (4)memberaction_dropdown
  • (1)navbar
  • (4)navbar_link
  • (1)navbar_moderation
  • (1)navbar_noticebit
  • (1)navbar_tabs
  • (2)option
  • (4)postbit
  • (4)postbit_onlinestatus
  • (4)postbit_wrapper
  • (1)spacer_close
  • (1)spacer_open
  • (1)tagbit_wrapper 

Phrase Groups Available (6):
  • global
  • inlinemod
  • postbit
  • posting
  • reputationlevel
  • showthread
Included Files (26):
  • ./showthread.php
  • ./global.php
  • ./includes/class_bootstrap.php
  • ./includes/init.php
  • ./includes/class_core.php
  • ./includes/config.php
  • ./includes/functions.php
  • ./includes/functions_navigation.php
  • ./includes/class_friendly_url.php
  • ./includes/class_hook.php
  • ./includes/class_bootstrap_framework.php
  • ./vb/vb.php
  • ./vb/phrase.php
  • ./includes/functions_facebook.php
  • ./includes/functions_calendar.php
  • ./includes/functions_bigthree.php
  • ./includes/class_postbit.php
  • ./includes/class_bbcode.php
  • ./includes/functions_reputation.php
  • ./includes/functions_notice.php
  • ./packages/vbattach/attach.php
  • ./vb/types.php
  • ./vb/cache.php
  • ./vb/cache/db.php
  • ./vb/cache/observer/db.php
  • ./vb/cache/observer.php 

Hooks Called (70):
  • init_startup
  • friendlyurl_resolve_class
  • init_startup_session_setup_start
  • database_pre_fetch_array
  • database_post_fetch_array
  • init_startup_session_setup_complete
  • global_bootstrap_init_start
  • global_bootstrap_init_complete
  • cache_permissions
  • fetch_threadinfo_query
  • fetch_threadinfo
  • fetch_foruminfo
  • load_show_variables
  • load_forum_show_variables
  • global_state_check
  • global_bootstrap_complete
  • global_start
  • style_fetch
  • global_setup_complete
  • showthread_start
  • showthread_getinfo
  • strip_bbcode
  • friendlyurl_clean_fragment
  • friendlyurl_geturl
  • forumjump
  • cache_templates
  • cache_templates_process
  • template_register_var
  • template_render_output
  • fetch_template_start
  • fetch_template_complete
  • parse_templates
  • fetch_musername
  • notices_check_start
  • notices_noticebit
  • process_templates_complete
  • friendlyurl_redirect_canonical
  • showthread_post_start
  • showthread_query_postids
  • showthread_query
  • bbcode_fetch_tags
  • bbcode_create
  • showthread_postbit_create
  • postbit_factory
  • postbit_display_start
  • postbit_imicons
  • bbcode_parse_start
  • bbcode_parse_complete_precache
  • bbcode_parse_complete
  • postbit_display_complete
  • memberaction_dropdown
  • tag_fetchbit_complete
  • forumrules
  • navbits
  • navbits_complete
  • build_navigation_data
  • build_navigation_array
  • check_navigation_permission
  • process_navigation_links_start
  • process_navigation_links_complete
  • set_navigation_menu_element
  • build_navigation_menudata
  • build_navigation_listdata
  • build_navigation_list
  • set_navigation_tab_main
  • set_navigation_tab_fallback
  • navigation_tab_complete
  • fb_like_button
  • showthread_complete
  • page_templates