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105 Commits

Author SHA1 Message Date
toyomoyo
4bda5c717c merged, taking care of a warning 2006-10-27 02:15:02 +00:00
moodler
92309430b8 Merged get_record caching from MDL-7196 in stable (thanks sam!) 2006-10-26 07:57:07 +00:00
stronk7
92602651dc Now insert_record() is using $db->GenID() to retrieve 
sequence numbers for Oracle. Just wondering if the same
function should be used by PostgreSQL too. MDL-7183

Merged from MOODLE_17_STABLE
 2006-10-23 17:46:08 +00:00
stronk7
f96a5db1c4 strip "old" harcoded "limit" clauses from the sql passed and 
debug about them. MDL-7173

Merged from MOODLE_17_STABLE
 2006-10-23 07:46:10 +00:00
stronk7
b9c3b8c734 Prevent MSSQL to return from insert_record() before 
trying to execute the updating of LOBs.

Merged from MOODLE_17_STABLE
 2006-10-23 00:01:57 +00:00
stronk7
c1bf1b0073 Debugging sql_paging_limit() as deprecated and 
enforcing get_field_sql() to return 1 record max

Merged from MOODLE_17_STABLE
 2006-10-22 23:21:59 +00:00
stronk7
cb4c207832 Adding limitfrom and limitnum parameters to a bunch of 
rarely executed functions...

Merged from MOODLE_17_STABLE
 2006-10-22 22:37:30 +00:00
stronk7
1afef7d9b3 Now insert/update/set of BINATY fields is supported by MSSQL 
(and easier to add new DB in the furure) MDL-7062

Merged from MOODLE_17_STABLE
 2006-10-17 23:37:58 +00:00
stronk7
e45346f98e Fixed typo that was preventing correct BLOB storage under Oracle. 
Merged from MOODLE_17_STABLE
 2006-10-17 18:31:56 +00:00
stronk7
6b7be6d74f Now set_field() supports Oracle LOBs. Better error handling of oracle_update_lobs() 
Merged from MOODLE_17_STABLE
 2006-10-15 20:21:27 +00:00
stronk7
73ad2d0c29 Now update_record() supports LOBs under Oracle. Plus prevent empty objects to be updated. 
Merged from MOODLE_17_STABLE
 2006-10-15 19:40:33 +00:00
stronk7
1a8078073e Minor changes + debug info in UpdateXlob() 
Merged from MOODLE_17_STABLE
 2006-10-15 18:37:01 +00:00
stronk7
b825e563c0 - Introducing the first version of the new mssql_n adodb driver (not finished, just for experimenting). 
- Now insert_record() is handling Oracle CLOBS and BLOBS properly (really annoying the number of hacks needed).
- Creating one new global object to cache $db->MetaColumns() calls per request, because it's being used
in a lot of places inside dmllib.
TODO: hack update_record() and set_field() to allow Oracle LOBs
      enclose all the Oracle function calls into one db transaction

Merged from MOODLE_17_STABLE
 2006-10-15 16:41:55 +00:00
stronk7
97ab73aad4 Add odbc_msql dbtype to a bunch of places. 2006-10-09 22:55:55 +00:00
stronk7
5fbab6173a Now Oracle uses the new find_sequence_name() function to find the 
correct sequence name for each table on insert.

Also, introduced initial hooks to support Oracle LOBs in insert_record()
 2006-10-08 09:58:11 +00:00
moodler
937b63ee52 Adding some serious checks to make Moodle break when there is any 
select, insert or update on user_students, user_teachers, user_coursecreators,
or user_admins (once roles is installed), because they should not be used
at all and we will drop them soon.
 2006-10-01 09:16:49 +00:00
stronk7
66841aed29 One wrong use of onespace2empty() - an strange function - :-/ 
in the DIRTY HACK was causing not info to be returned under Oracle
by the get_field_sql() function, so sequence numbers were broken.
 2006-09-26 18:27:44 +00:00
skodak
6de2a7b6c8 fixed another missing global $CFG 2006-09-26 08:49:47 +00:00
skodak
05f8f7e76b fixed missing global $CFG 2006-09-26 06:31:18 +00:00
martinlanghoff
1e7368e782 dmlib: set_field() now has the Oracle DIRTY HACK too! 2006-09-26 05:10:39 +00:00
martinlanghoff
5a55af6097 dmlib: Add Oracle dirty hack cleanup to recordset_to_menu() get_field_sql() and get_fieldset_sql() 
This covers most (all?) the gaps in data retrieval except get_recordset_sql().

To tackle get_recordset_sql,  where the actual data retrieval is done within
AdoDB, we would have to to wrap around AdoDB with a subclass, but that would
be dirty, dirty, dirtier.
 2006-09-26 05:10:18 +00:00
martinlanghoff
44f9885044 sql_concat(): fixed param order thinko -- and now it works too! 2006-09-26 05:09:48 +00:00
martinlanghoff
95008f81c6 sql_ilike() -- added notes on Oracle support or lack thereof 2006-09-26 05:07:28 +00:00
martinlanghoff
38e02f4c32 Introducing sql_concat_join($sep, $array) helper 
returns the SQL to do the equivalente of a join() or implode()
on the DB server. Watch the RDBMS work! ;-)
 2006-09-26 05:05:54 +00:00
martinlanghoff
0ce96669c9 Introducing sql_concat() - and use it in sql_fullname() 
sql_concat() is just a passthrough to $db->Concat() -- it doesn't
add any value, and I think the dispatching is somewhat expensive.

Just using $db->Concat() should be good enough, were it not for
consistency in our DM API.
 2006-09-26 05:02:59 +00:00
mjollnir_
6e58026b29 recredited the sql_primary_role_subselect function to correct author (much as I would like to claim it) 2006-09-26 04:41:45 +00:00
moodler
867f5adb73 Moved Penny's funky sql function into dmllib.php 2006-09-26 04:33:59 +00:00
stronk7
f46e2c8cbc Changed one LIMIT to a cross-db WHERE clause 2006-09-24 09:59:25 +00:00
stronk7
2a2905fb6f Now using ADOdb standard transactions. Some day, we should switch to 
Smart Transactions (http://phplens.com/adodb/tutorial.smart.transactions.html)
as they autodetect errors and are nestable and easier to write
 2006-09-22 20:05:44 +00:00
stronk7
94e65cc36c Now all the insert_record() and update_record() calls under 
Oracle DB use the oracle_dirty_hack() function to transform
empty strings into something different ' ' in order to avoid
the problems with the empty=NULL stupid norm of Oracle.

With this change, Oracle installation works completely.

Now we need to implement everywhere the opposite hack: transforming
all those ' ' (1 whitespace) back to the '' (empty string). Working
on it now.
 2006-09-21 18:30:50 +00:00
stronk7
0ce61c841f Force ANSI NULLs under mssql. It's not critical to work 
but it avoids some problems when changing nullability
of fields in the future.
 2006-09-21 07:44:56 +00:00
skodak
eef868d17d major whitespace cleanup - fixed trailng whitespace in new files and admin area 2006-09-20 21:00:45 +00:00
skodak
daa588aa52 merged changes in moodlelib.php from MOODLE_16_STABLE 2006-09-20 18:40:22 +00:00
martinlanghoff
d7e901c669 dmlib: changed array access to keyed instead of ordinal. 
This supports the move to ADODB_FETCH_ASSOC instead of ADODB_FETCH_BOTH.
see:
http://docs.moodle.org/en/XMLDB_Problems#ADOdb_fetch_mode_.28ASSOC.2C_NUM_and_BOTH.29

Author: Luke Hudson <luke@catalyst.net.nz>
 2006-09-20 11:26:47 +00:00
vyshane
3d5fb99f00 Fixed bug in get_records_sql(). This call: 
$rs = get_recordset_sql($sql, $limitfrom='', $limitnum='');

should really be:

$rs = get_recordset_sql($sql, $limitfrom, $limitnum);
 2006-09-15 06:03:32 +00:00
moodler
ea82d6b638 CHanged a lot of CFG->debug stuff to use the new debuggin() function 2006-09-13 09:45:07 +00:00
moodler
3d1885af1e Added some checking that should not be necessary but I had notices in one extreme situation 2006-09-13 08:09:18 +00:00
stronk7
83a78d9d17 PHPDoc update. 2006-09-10 18:37:57 +00:00
stronk7
5f45d2ae80 New function sql_order_by_text() to automatically build 
custom expresions to being used in ORDER BY clauses with
TEXT columns.
 2006-09-09 13:51:40 +00:00
stronk7
e20d180c11 DIRTY HACK to convert back all the ' ' (1 space) field contents 
back to '' (empty string) in order to allow Oracle to work, more
or less until all the not real NOT NULL DEFAULT '' fields were out!

TODO: Apply the same hack to some more functions...
 2006-09-07 23:48:48 +00:00
stronk7
3c4f35e645 Mark as deprecated the sql_paging_limit_function() 2006-09-05 21:42:20 +00:00
stronk7
3c242a66f5 Now get_records_sql() supports limitfrom and limitnum. 
Required to kill all those hardcoded LIMIT x,y clauses.
 2006-09-05 18:53:08 +00:00
stronk7
95f610334e Mark two functions as deprecated because that's standard now. 2006-09-04 22:40:42 +00:00
stronk7
fda5418401 $CFG required. 2006-09-04 22:30:56 +00:00
stronk7
4762bff7a3 Added the feedback attribute to the execute_sql_arr() function. 2006-09-03 17:56:34 +00:00
stronk7
228d8c20d7 New function execute_sql_arr() to execute arrays of 
statements, Used by ddllib.php mainly.
 2006-09-02 23:46:43 +00:00
stronk7
d32d63b6e0 Now record_exists_sql() uses the cross-db limit implementation. 2006-09-01 18:33:19 +00:00
stronk7
8351e29517 Introduced one function to calculate the proper "AS" 
keyword for columns. All DB seems to support it but
PostgreSQL require it!
 2006-09-01 17:45:02 +00:00
stronk7
3655a6b39f Set magic_quotes_sybase for both mssql and oci8po. 
Anyway, this isn't enough and if must be defined in php.ini
or .htaccess, because GPC are added BEFORE this setting
has effect so they are slashed with the default char.
 2006-08-27 21:57:33 +00:00
stronk7
d1c21c8f31 Very, very, very, very initial support of insert_record for oracle. 
I shouldn't interfere with the rest at all. I needed it in CVS now.
 2006-08-27 09:02:41 +00:00