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Am 21.04.2012 18:58, Mark Stanton wrote:
Copying the structure and data in one go, as offered by the import
wizard, never creates any auto-ID fields.

Would this be a sensible improvement to make?

Mark Stanton
One small step for mankind...

Hello Mark,

Yes, it would be useful to have more import options that actually work when importing a pseudo-database (mostly spreadsheet lists) into a true database or into HSQLDB at least:
[X] Use first column as column name
[X] Create primary key [Name Box]
  [ ] Create primary key as auto-ID

And another exclusive  option:
[o] Use existing column <list box> as auto-ID
[ ] Use existing column(s) <multi-select list box> as primary key

When importing from a true database into another true database, these options should be preset according to the situation in the source table but still modifyable. Sometimes you want to import with no constraints at all.

My above statement
... never creates any auto-ID fields.

is not entirely correct. At least a copy&paste between 2 HSQLDBs creates the integer PK as auto-ID. It creates an exact copy of the table. Some level of detection seems to be implemented already. Copying from HSQLDB to H2 (a similar Java DB) does creates an integer PK but not as an auto-ID field.

I think it can be very hard to implement for all types of connectable database engines. There are UNO interfaces to detect the capabilities and idiosyncrasies of some database driver. May be this can be utilized, may be not.

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