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protocol of the ISAC-meeting
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############################################################################
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date of meeting: 30.11.07
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author: WN
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date of writing: 30.11.07 12:00
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attendees: mail
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agenda: check the queries
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############################################################################
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fields and values are commented only if there is something to be checked.
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comments give the right value and relate to line-numbers of output #1, #2, ...
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~6 is an estimated value (meaning approximately 6)
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! marks an apparent error in the query
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? marks wrong values to be checked for the origin, the data logged and/or the query
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[1] who has used isac ?
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mysql> select UserName, Argument as UserUrl, Time as Begin,
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-> unix_timestamp((select Time from UserLogger where step='UI_STOP_SESSION' and session=ul1.session)) - unix_timestamp(ul1.time) as Duration,
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-> (select count(*) from UserLogger where step='LO_OPEN_WORKSHEET' and session=ul1.session) as Examples
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-> from UserLogger ul1
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-> where step='LO_START_SESSION';
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+----------+---------------+---------------------+----------+----------+
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| UserName | UserUrl | Begin | Duration | Examples |
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+----------+---------------+---------------------+----------+----------+
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| x | TODO user-url | 2007-10-30 11:35:12 | 138 | 3 |
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#2| htl | TODO user-url | 2007-10-30 11:37:39 | 52 | 1 |
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#3| x | TODO user-url | 2007-10-30 11:38:53 | 334 | 1 |
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| krempler | TODO user-url | 2007-10-30 11:39:37 | 101 | 2 |
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| x | TODO user-url | 2007-10-30 11:41:26 | 151 | 2 |
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+----------+---------------+---------------------+----------+----------+
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5 rows in set (0.07 sec)
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comments:
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?#2: 3 examples
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?#3: 3 examples
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[2] which examples has a user calculated (over all sessions) ?
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mysql> select session, Argument as ID, FormulaTo as Example, Time as Begin,
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-> unix_timestamp((select Time from UserLogger where step='LO_STOP_EXAMPLE' and session=ul1.session limit 1)) - unix_timestamp(ul1.time) as Duration,
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-> (select Success from UserLogger where step='LO_STOP_EXAMPLE' and session=ul1.session limit 1) as Success,
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-> (select count(*) from UserLogger where step like 'UI_SOLVE%' and session=ul1.session limit 1) as Calc_Steps,
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-> (select count(*) from UserLogger where step not like 'UI_SOLVE%' and session=ul1.session limit 1) as Other_Steps
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-> from UserLogger ul1
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-> where UserName='x' and Step='LO_OPEN_WORKSHEET';
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+---------+--------------------------------------+------------------------------------------------------------------+---------------------+----------+---------+------------+-------------+
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| session | ID | Example | Begin | Duration | Success | Calc_Steps | Other_Steps |
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+---------+--------------------------------------+------------------------------------------------------------------+---------------------+----------+---------+------------+-------------+
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#1| 2 | exp_IsacCore_Tests_1a.xml | solve (1 + -1 * 2 + x = 0, x) | 2007-10-30 11:35:22 | 2 | 0 | 5 | 11 |
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#2| 2 | exp_IsacCore_Tests_1b.xml | solve (x + 1 = 2, x) | 2007-10-30 11:35:28 | -4 | 0 | 5 | 11 |
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#3| 2 | exp_IsacCore_Tests_1c.xml | solve (x / (x ^ 2 - 6 * x + 9) - 1 / (x ^ 2 - 3 * x) = 1 / x, x) | 2007-10-30 11:37:21 | -117 | 0 | 5 | 11 |
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#4| 4 | NULL | solve (1 + -1 * 2 + x = 0, x) | 2007-10-30 11:39:04 | 2 | 0 | 2 | 7 |
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#5| 6 | exp_IsacCore_CalcDiff_Stein-359a.xml | Differentiate (P = 3 * z ^ 2 - 4 * z, z) | 2007-10-30 11:41:49 | 70 | 1 | 3 | 8 |
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#6| 6 | exp_IsacCore_CalcDiff_Stein-359b.xml | Differentiate (s = pi * z ^ 3 + 6 / z, z) | 2007-10-30 11:43:05 | -6 | 1 | 3 | 8 |
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+---------+--------------------------------------+------------------------------------------------------------------+---------------------+----------+---------+------------+-------------+
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6 rows in set (0.04 sec)
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comments:
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!# ID in #4 indicates the queries problems handling a user with more than 1 session open (x has 3 examples started by ComPod in session 4 which is closed _after_ session 6 by x)
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!# Duration
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?# Success 1 in #2, #3
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?# Calc_Steps 0 in #1, ~6 in #2, 1 in #3
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?# Other _Steps ???
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[3] what did a user do during a certain session ?
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mysql> select Dialog, Step, Time, Worksheet, Position, FormulaFrom, FormulaTo, Argument, Substitution, Success
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-> from UserLogger
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-> where Session=2
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-> order by Time;
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+-----------+---------------------------------------+---------------------+-----------+-----------+------------------------------------------------------------------+------------------------------------------------------------------+---------------------------+--------------+---------+
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| Dialog | Step | Time | Worksheet | Position | FormulaFrom | FormulaTo | Argument | Substitution | Success |
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+-----------+---------------------------------------+---------------------+-----------+-----------+------------------------------------------------------------------+------------------------------------------------------------------+---------------------------+--------------+---------+
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#1| NULL | LO_START_SESSION | 2007-10-30 11:35:12 | NULL | NULL | NULL | NULL | TODO user-url | NULL | 0 |
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#2| exp | LO_OPEN_WORKSHEET | 2007-10-30 11:35:22 | 2_0 | ([],Pbl) | solve (1 + -1 * 2 + x = 0, x) | solve (1 + -1 * 2 + x = 0, x) | exp_IsacCore_Tests_1a.xml | NULL | 1 |
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#3| worksheet | LO_STOP_EXAMPLE | 2007-10-30 11:35:24 | 2_0 | NULL | NULL | NULL | NULL | NULL | 0 |
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#4| worksheet | UI_CLOSE_WORKSHEET | 2007-10-30 11:35:24 | 2_0 | NULL | NULL | NULL | NULL | NULL | 0 |
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#5| exp | LO_OPEN_WORKSHEET | 2007-10-30 11:35:28 | 2_1 | ([],Pbl) | solve (x + 1 = 2, x) | solve (x + 1 = 2, x) | exp_IsacCore_Tests_1b.xml | NULL | 1 |
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#6| worksheet | UI_SOLVE_CALCULATE_1 | 2007-10-30 11:35:37 | 2_1 | ([],Met) | solve (x + 1 = 2, x) | x + 1 = 2 | NULL | NULL | 1 |
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#7| worksheet | UI_SOLVE_CALCULATE_1 | 2007-10-30 11:35:39 | 2_1 | ([1],Frm) | x + 1 = 2 | x + 1 + -1 * 2 = 0 | NULL | NULL | 1 |
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#8| worksheet | UI_SOLVE_EDIT_ACTIVE_FORMULA_COMPLETE | 2007-10-30 11:36:54 | 2_1 | ([1],Res) | x + 1 + -1 * 2 = 0 | x - 1 = 0 | x - 1 = 0 | NULL | 1 |
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#9| worksheet | UI_SOLVE_CALCULATE_ALL | 2007-10-30 11:37:08 | 2_1 | ([2],Res) | x - 1 = 0 | [x = 1] | NULL | NULL | 1 |
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#10| worksheet | LO_STOP_EXAMPLE | 2007-10-30 11:37:08 | 2_1 | NULL | NULL | NULL | NULL | NULL | 1 |
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#11| worksheet | UI_CLOSE_WORKSHEET | 2007-10-30 11:37:14 | 2_1 | NULL | NULL | NULL | NULL | NULL | 0 |
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#12| exp | LO_OPEN_WORKSHEET | 2007-10-30 11:37:21 | 2_2 | ([],Pbl) | solve (x / (x ^ 2 - 6 * x + 9) - 1 / (x ^ 2 - 3 * x) = 1 / x,x) | solve (x / (x ^ 2 - 6 * x + 9) - 1 / (x ^ 2 - 3 * x) = 1 / x, x) | exp_IsacCore_Tests_1c.xml | NULL | 1 |
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#13| worksheet | UI_SOLVE_CALCULATE_ALL | 2007-10-30 11:37:23 | 2_2 | ([],Pbl) | solve (x / (x ^ 2 - 6 * x + 9) - 1 / (x ^ 2 - 3 * x) = 1 / x,x) | [x = 6 / 5] | NULL | NULL | 1 |
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#14| worksheet | LO_STOP_EXAMPLE | 2007-10-30 11:37:23 | 2_2 | NULL | NULL | NULL | NULL | NULL | 1 |
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#15| worksheet | UI_CLOSE_WORKSHEET | 2007-10-30 11:37:28 | 2_2 | NULL | NULL | NULL | NULL | NULL | 0 |
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#16| NULL | UI_STOP_SESSION | 2007-10-30 11:37:30 | NULL | NULL | NULL | NULL | NULL | NULL | 0 |
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+-----------+---------------------------------------+---------------------+-----------+-----------+------------------------------------------------------------------+------------------------------------------------------------------+---------------------------+--------------+---------+
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16 rows in set (0.00 sec)
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comments:
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?#8 2 wrong inputs before this step are not logged
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[4] what did a user do during a certain example ?
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mysql> select Dialog, Step, Time, Worksheet, Position, FormulaFrom, FormulaTo, Argument, Substitution, Success
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-> from UserLogger
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-> where Worksheet='2_1'
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-> order by Time;
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+-----------+---------------------------------------+---------------------+-----------+----------------------+----------------------+---------------------------+--------------+---------+
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| Dialog | Step | Time | Position | FormulaFrom | FormulaTo | Argument | Substitution | Success |
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+-----------+---------------------------------------+---------------------+-----------+----------------------+----------------------+---------------------------+--------------+---------+
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| exp | LO_OPEN_WORKSHEET | 2007-10-30 11:35:28 | ([],Pbl) | solve (x + 1 = 2, x) | solve (x + 1 = 2, x) | exp_IsacCore_Tests_1b.xml | NULL | 1 |
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| worksheet | UI_SOLVE_CALCULATE_1 | 2007-10-30 11:35:37 | ([],Met) | solve (x + 1 = 2, x) | x + 1 = 2 | NULL | NULL | 1 |
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| worksheet | UI_SOLVE_CALCULATE_1 | 2007-10-30 11:35:39 | ([1],Frm) | x + 1 = 2 | x + 1 + -1 * 2 = 0 | NULL | NULL | 1 |
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#4| worksheet | UI_SOLVE_EDIT_ACTIVE_FORMULA_COMPLETE | 2007-10-30 11:36:54 | ([1],Res) | x + 1 + -1 * 2 = 0 | x - 1 = 0 | x - 1 = 0 | NULL | 1 |
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| worksheet | UI_SOLVE_CALCULATE_ALL | 2007-10-30 11:37:08 | ([2],Res) | x - 1 = 0 | [x = 1] | NULL | NULL | 1 |
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| worksheet | LO_STOP_EXAMPLE | 2007-10-30 11:37:08 | NULL | NULL | NULL | NULL | NULL | 1 |
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| worksheet | UI_CLOSE_WORKSHEET | 2007-10-30 11:37:14 | NULL | NULL | NULL | NULL | NULL | 0 |
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+-----------+---------------------------------------+---------------------+-----------+----------------------+----------------------+---------------------------+--------------+---------+
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7 rows in set (0.02 sec)
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comments:
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?#4 2 error-input before this step have not been recorded by UserLogger
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[5] how difficult are the examples ?
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mysql> select Argument as ID, FormulaTo as Example, Success, Success-1 as Failure
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-> from UserLogger
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-> where Step='LO_OPEN_WORKSHEET'
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-> order by Success, Failure;
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+--------------------------------------+------------------------------------------------------------------+---------+---------+
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| ID | Example | Success | Failure |
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+--------------------------------------+------------------------------------------------------------------+---------+---------+
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#1| exp_IsacCore_Tests_1a.xml | solve (1 + -1 * 2 + x = 0, x) | 1 | 0 |
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#2| exp_IsacCore_Tests_1b.xml | solve (x + 1 = 2, x) | 1 | 0 |
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#3| exp_IsacCore_Tests_1c.xml | solve (x / (x ^ 2 - 6 * x + 9) - 1 / (x ^ 2 - 3 * x) = 1 / x, x) | 1 | 0 |
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#4| NULL | solve (1 + -1 * 2 + x = 0, x) | 1 | 0 |
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#5| NULL | solve (1 + -1 * 2 + x = 0, x) | 1 | 0 |
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#6| exp_IsacCore_CalcDiff_Stein-359a.xml | Differentiate (P = 3 * z ^ 2 - 4 * z, z) | 1 | 0 |
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#7| exp_IsacCore_CalcDiff_Stein-359b.xml | Differentiate (s = pi * z ^ 3 + 6 / z, z) | 1 | 0 |
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#8| exp_IsacCore_CalcDiff_Stein-359a.xml | Differentiate (P = 3 * z ^ 2 - 4 * z, z) | 1 | 0 |
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#9| exp_IsacCore_CalcDiff_Stein-359b.xml | Differentiate (s = pi * z ^ 3 + 6 / z, z) | 1 | 0 |
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+--------------------------------------+------------------------------------------------------------------+---------+---------+
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9 rows in set (0.04 sec)
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comments:
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correct would be:
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---------+---------+
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Success | Failure |
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---------+---------+
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!#1 0 | 3 |
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!#2 3 | 0 |
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!#3 3 | 0 |
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?#4 wrong entry steming from overlapping session (??, and exp's handled by ComPod)
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?#5 wrong entry steming from overlapping session (??, and exp's handled by ComPod)
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!#6 2 | 0 |
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!#7 2 | 0 |
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!#8 each example should be listed once
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!#9 each example should be listed once
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[6] who are the most frequent users of isac ?
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mysql> select UserName,
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-> (select count(*) from UserLogger where step='LO_OPEN_WORKSHEET' and username=ul1.username limit 1) as Examples,
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-> (select count(*) from UserLogger where step='LO_STOP_EXAMPLE' and username=ul1.username limit 1) as Success,
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-> (select count(*) from UserLogger where step like 'UI_SOLVE%' and username=ul1.username limit 1) as Calc_Steps,
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-> (select count(*) from UserLogger where step not like 'UI_SOLVE%' and username=ul1.username limit 1) as Other_Steps
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-> from UserLogger ul1
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-> where Step='LO_START_SESSION'
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-> group by UserName
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-> order by Examples, UserName;
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+----------+----------+---------+------------+-------------+
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| UserName | Examples | Success | Calc_Steps | Other_Steps |
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+----------+----------+---------+------------+-------------+
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| htl | 1 | 3 | 2 | 7 |
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| krempler | 2 | 2 | 2 | 8 |
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| x | 6 | 8 | 10 | 26 |
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+----------+----------+---------+------------+-------------+
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3 rows in set (0.00 sec)
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comments:
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!# The output should be:
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+----------+----------+----------+---------+------------+-------------+
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| UserName | Sessions | Examples | Success | Calc_Steps | Other_Steps |
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+----------+----------+----------+---------+------------+-------------+
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| x | 3 | 8 | 5 | 10 | 26 |
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| htl | 1 | 3 | 2 | 2 | 7 |
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| krempler | 1 | 2 | 2 | 2 | 8 |
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+----------+----------+----------+---------+------------+-------------+
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?# In 071030-CR-WN.data I see that closing session 4 after session 6
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does _not_ LO_STOP_EXAMPLE for Worksheet 4_1 and 4_2
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(while is should do that). |