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Until Moodle 2.0, the sql_substr() helper function (dmllib), is used without parameters at simply returns the "substring" function used for each DB.
Change this behaviour so it will look like:
$DB->sql_substr(string, from, len)
with len being optional.
- Implement it in new moodle_databases.
- Document it.
- Look for wrong usages in core.
- Add some tests, with and without len.
Ciao :-)
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Description
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Until Moodle 2.0, the sql_substr() helper function (dmllib), is used without parameters at simply returns the "substring" function used for each DB.
Change this behaviour so it will look like:
$DB->sql_substr(string, from, len)
with len being optional.
- Implement it in new moodle_databases.
- Document it.
- Look for wrong usages in core.
- Add some tests, with and without len.
Ciao :-) |
Show » |
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Sub-task
Resolved
Minor
