| db_add_column | update.php | Add a column to a database using syntax appropriate for PostgreSQL.
Save result of SQL commands in $ret array. |
| db_change_column | update.php | Change a column definition using syntax appropriate for PostgreSQL.
Save result of SQL commands in $ret array. |
| hook_update_N | developer/hooks/install.php | Perform a single update. For each patch which requires a database change add
a new hook_update_N() which will be called by update.php. |
| system_update_159 | database/updates.inc | Retrieve data out of the old_revisions table and put into new revision
system. |
| system_update_182 | database/updates.inc | The lid field in pgSQL should not be UNIQUE, but an INDEX. |
| system_update_183 | database/updates.inc | Cid matching by MySQL should be case-sensitive. |
| update_convert_table_utf8 | update.php | Convert a single MySQL table to UTF-8. |
| update_fix_watchdog_115 | update.php | System update 115 changes the watchdog table, which breaks the update
script's ability to use logging. This changes the table appropriately. |
