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  1. #1
    New to the CF scene
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    May 2013
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    empty set? and SELECT returns something weird?

    hi, my query is:

    SELECT close FROM stocks WHERE the_date = '2013-04-10' AND ticker = 'JCP';

    i get an empty set. i have since realized the problem lies with the ticker field because using just the date is fine.

    so i did
    Code:
    SELECT * FROM stocks;
    +----------+------------+--------+--------+--------+--------+-----------+-----------+--------+
    | stock_ID | the_date   | open   | high   | low    | close  | volume    | adj_close | ticker |
    +----------+------------+--------+--------+--------+--------+-----------+-----------+--------+
      |      1 | 2013-04-26 | 409.81 | 418.77 | 408.25 | 417.20 |  27289200 |    417.20 | AAPL
      |      2 | 2013-04-25 | 411.23 | 413.94 | 407.00 | 408.38 |  13713700 |    408.38 | AAPL
      |      3 | 2013-04-24 | 393.54 | 415.25 | 392.50 | 405.46 |  34630400 |    405.46 | AAPL
      |      4 | 2013-04-23 | 403.99 | 408.38 | 398.81 | 406.13 |  23294100 |    406.13 | AAPL
      |      5 | 2013-04-22 | 392.64 | 402.20 | 391.27 | 398.67 |  15340900 |    398.67 | AAPL
      |      6 | 2013-04-19 | 387.97 | 399.60 | 385.10 | 390.53 |  21749700 |    390.53 | AAPL
      |      7 | 2013-04-18 | 404.99 | 405.79 | 389.74 | 392.05 |  23783300 |    392.05 | AAPL
      |      8 | 2013-04-17 | 420.27 | 420.60 | 398.11 | 402.80 |  33735300 |    402.80 | AAPL
      |      9 | 2013-04-16 | 421.57 | 426.61 | 420.57 | 426.24 |  10890600 |    426.24 | AAPL
      |     10 | 2013-04-15 | 427.00 | 427.89 | 419.55 | 419.85 |  11318300 |    419.85 | AAPL
      |     11 | 2013-04-12 | 434.15 | 434.15 | 429.09 | 429.80 |   8521900 |    429.80 | AAPL
      |     12 | 2013-04-11 | 433.72 | 437.99 | 431.20 | 434.33 |  11727300 |    434.33 | AAPL
      |     13 | 2013-04-10 | 428.10 | 437.06 | 426.01 | 435.69 |  13415800 |    435.69 | AAPL
        |   14 | 2013-04-26 |   8.35 |   8.36 |   8.26 |   8.27 |  15141900 |      8.27 | AA
        |   15 | 2013-04-25 |   8.42 |   8.50 |   8.34 |   8.39 |  18396000 |      8.39 | AA
        |   16 | 2013-04-24 |   8.12 |   8.45 |   8.12 |   8.41 |  22031100 |      8.41 | AA
        |   17 | 2013-04-23 |   8.12 |   8.17 |   8.04 |   8.12 |  16255700 |      8.12 | AA
        |   18 | 2013-04-22 |   8.12 |   8.15 |   7.99 |   8.11 |  14758200 |      8.11 | AA
        |   19 | 2013-04-19 |   8.09 |   8.11 |   8.00 |   8.08 |  15661700 |      8.08 | AA
        |   20 | 2013-04-18 |   8.00 |   8.08 |   7.90 |   8.03 |  19079900 |      8.03 | AA
        |   21 | 2013-04-17 |   8.04 |   8.08 |   7.93 |   7.96 |  27240400 |      7.96 | AA
        |   22 | 2013-04-16 |   8.08 |   8.20 |   8.06 |   8.10 |  22820600 |      8.10 | AA
        |   23 | 2013-04-15 |   8.14 |   8.17 |   8.01 |   8.04 |  32459300 |      8.04 | AA
        |   24 | 2013-04-12 |   8.30 |   8.32 |   8.17 |   8.22 |  21450400 |      8.22 | AA
        |   25 | 2013-04-11 |   8.30 |   8.40 |   8.27 |   8.32 |  13180400 |      8.32 | AA
        |   26 | 2013-04-10 |   8.43 |   8.47 |   8.30 |   8.31 |  20827200 |      8.31 | AA
      |     27 | 2013-04-26 |  31.90 |  31.98 |  31.45 |  31.79 |  47799300 |     31.79 | MSFT
      |     28 | 2013-04-25 |  31.71 |  32.84 |  31.54 |  31.94 | 110688300 |     31.94 | MSFT
      |     29 | 2013-04-24 |  30.62 |  31.92 |  30.60 |  31.76 |  90946600 |     31.76 | MSFT
      |     30 | 2013-04-23 |  30.70 |  30.90 |  30.38 |  30.60 |  59082400 |     30.60 | MSFT
      |     31 | 2013-04-22 |  30.30 |  31.18 |  30.27 |  30.83 | 137904000 |     30.83 | MSFT
      |     32 | 2013-04-19 |  29.62 |  30.24 |  29.61 |  29.77 |  99790700 |     29.77 | MSFT
      |     33 | 2013-04-18 |  28.95 |  28.98 |  28.50 |  28.79 |  56841500 |     28.79 | MSFT
      |     34 | 2013-04-17 |  28.85 |  29.04 |  28.60 |  28.83 |  52840700 |     28.83 | MSFT
      |     35 | 2013-04-16 |  28.90 |  29.14 |  28.70 |  28.97 |  52797300 |     28.97 | MSFT
      |     36 | 2013-04-15 |  28.65 |  28.98 |  28.51 |  28.69 |  56332900 |     28.69 | MSFT
      |     37 | 2013-04-12 |  28.85 |  29.02 |  28.66 |  28.79 |  62886300 |     28.79 | MSFT
      |     38 | 2013-04-11 |  29.10 |  29.20 |  28.73 |  28.94 | 130907100 |     28.94 | MSFT
      |     39 | 2013-04-10 |  29.57 |  30.32 |  29.52 |  30.28 |  71058300 |     30.28 | MSFT
        |   40 | 2013-04-26 |  21.39 |  21.53 |  21.25 |  21.40 |  17348300 |     21.40 | MS
        |   41 | 2013-04-25 |  21.56 |  21.81 |  21.39 |  21.43 |  18496600 |     21.38 | MS
        |   42 | 2013-04-24 |  21.66 |  21.78 |  21.40 |  21.45 |  17955700 |     21.40 | MS
        |   43 | 2013-04-23 |  20.97 |  21.73 |  20.91 |  21.61 |  23437700 |     21.56 | MS
        |   44 | 2013-04-22 |  20.61 |  20.88 |  20.53 |  20.71 |  16156600 |     20.66 | MS
        |   45 | 2013-04-19 |  20.37 |  20.63 |  20.16 |  20.58 |  24644100 |     20.53 | MS
        |   46 | 2013-04-18 |  21.35 |  21.47 |  20.31 |  20.31 |  47193400 |     20.26 | MS
        |   47 | 2013-04-17 |  21.54 |  21.83 |  20.86 |  21.47 |  45475800 |     21.42 | MS
        |   48 | 2013-04-16 |  21.81 |  21.86 |  21.19 |  21.85 |  21839800 |     21.80 | MS
        |   49 | 2013-04-15 |  21.75 |  22.25 |  21.41 |  21.48 |  22458100 |     21.43 | MS
        |   50 | 2013-04-12 |  22.09 |  22.23 |  21.54 |  21.82 |  25150400 |     21.77 | MS
        |   51 | 2013-04-11 |  22.28 |  22.63 |  22.24 |  22.27 |  14692800 |     22.22 | MS
        |   52 | 2013-04-10 |  21.89 |  22.53 |  21.87 |  22.22 |  17467300 |     22.17 | MS
       |    53 | 2013-04-26 |  16.15 |  17.58 |  15.86 |  17.00 |  56658800 |     17.00 | JCP
       |    54 | 2013-04-25 |  15.26 |  15.56 |  15.20 |  15.24 |  10840900 |     15.24 | JCP
       |    55 | 2013-04-24 |  15.48 |  15.60 |  15.15 |  15.19 |   7242100 |     15.19 | JCP
       |    56 | 2013-04-23 |  15.19 |  15.73 |  14.95 |  15.45 |  14552800 |     15.45 | JCP
       |    57 | 2013-04-22 |  15.36 |  15.80 |  15.31 |  15.54 |  13453300 |     15.54 | JCP
       |    58 | 2013-04-19 |  15.20 |  15.39 |  14.85 |  15.26 |  17094800 |     15.26 | JCP
       |    59 | 2013-04-18 |  14.97 |  15.29 |  14.83 |  15.16 |  29205100 |     15.16 | JCP
       |    60 | 2013-04-17 |  15.07 |  15.13 |  14.58 |  14.77 |  17433900 |     14.77 | JCP
       |    61 | 2013-04-16 |  14.59 |  15.42 |  14.45 |  15.19 |  28576300 |     15.19 | JCP
       |    62 | 2013-04-15 |  14.43 |  15.15 |  14.27 |  14.39 |  32590400 |     14.39 | JCP
       |    63 | 2013-04-12 |  15.01 |  15.03 |  14.24 |  14.62 |  36423900 |     14.62 | JCP
       |    64 | 2013-04-11 |  14.19 |  15.12 |  14.16 |  14.86 |  27459000 |     14.86 | JCP
       |    65 | 2013-04-10 |  14.03 |  14.36 |  13.55 |  14.09 |  34677000 |     14.09 | JCP
    +----------+------------+--------+--------+--------+--------+-----------+-----------+--------+
    Then I did
    Code:
     SELECT ticker FROM stocks;
    +--------+
    | ticker |
    +--------+
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
      |APL
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
      |SFT
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
        |
       |P
       |P
       |P
       |P
       |P
       |P
       |P
       |P
       |P
       |P
       |P
       |P
       |P
    +--------+
    can someone please tell me what the hell is going on with the ticker column? and, this is imported from a csv file, if that means anything.

  • #2
    Senior Coder
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    Yes, there can be a problem with what you importd via csv.

    try

    select ticker, hex(ticker)

    That could reveal hidden characters.
    Found a flower or bug and don't know what it is ?
    agrozoo.net galery
    if you don't spot search button at once, there is search form:
    agrozoo.net galery search

  • #3
    Senior Coder CFMaBiSmAd's Avatar
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    LOL, the OP solved this in one of the other help forums he posted it on.

    No further time should be wasted on this.
    If you are learning PHP, developing PHP code, or debugging PHP code, do yourself a favor and check your web server log for errors and/or turn on full PHP error reporting in php.ini or in a .htaccess file to get PHP to help you.


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