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This commit was manufactured by cvs2svn to create branch 'rel-2-4-patches'.
updated copyright dates
This commit was manufactured by cvs2svn to create branch 'rel-2-4-dev'.
remove several useless "use Data::Dumper" lines
tons of "DBFIXME" notes -- how to make database access more efficient
forward-port from rel-2-2-dev: (update copyright date range -- 2000-2006. this is probably overkill, since there are some files that were created after 2000 and some files that were last modified before 2006.)
Preliminary commit of changes to add Gateway module. This adds to WeBWorK - the ability to create versioned, timed problem sets ("gateway tests") for which all problems are displayed on a single page ("versioned" means that students can get multiple versions of the problem set), - the ability to create sets that draw problems from groups of problems, and - the ability to create sets that require a proctor login to start and grade. Sets can be defined as gateway tests or proctored gateway tests from the ProblemSetDetail page. Not quite bug-free yet. Known bugs include handling of problem values on the Student Progress page (I think this may be a problem with changing from sql database format where all entries were 'text' to sql_single in ver 2.1, where they are integer), and a division by zero error on the grades page (which may be the same problem). Tests with a number of attempts per version greater than one haven't been carefully tested, nor has scoring of gateway tests.
Import and Export now create gzipped files in the template directory of the admin course. These files can than be downloaded using the FileManager. The export and import process are still VERY slow, but at least it no longer matters if your browser times out.
support incremental sending of exported databases (still slow though).
(1) listTables() reports names of supported tables. (2) dbExport() warns when given invalid table names.
removed debugging output
database import and export support
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