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ALV: Filtering strings - values convert to upppercase

Hi friends,

in release 46C, we have an ALV grid with a column's domain CE_STRING. This is defined with LOWERCASE flagged.

When we try set ALV filter on this column, all entries are converted to uppercase. So existing lowercase values are not found.

Using F4 in the filter dialog, we can see the lowercase values - selecting them converts to uppercase immediately.

We use FUNCTION 'LVC_FIELDCATALOG_MERGE' for field catalog creation and FUNCTION 'REUSE_ALV_GRID_DISPLAY_LVC' for display.

How can we correct this behavior?

TIA,

Regards,

Clemens

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