Using edit text control for storing and displaying text of 1000 characters

Hi all,
I have a requirement to provide a field for remark in one of dialog screens, for saving remarks of up to 1000 characters. I made container and edit control and add a field LCHR in database table with preceding INT4 field. Then I use this code to save/read data in/from database table:
CALL METHOD editor->get_textstream
     EXPORTING
       only_when_modified = 0
     IMPORTING
       text               = mytext
     EXCEPTIONS
       OTHERS             = 1.
in user command and:
CALL METHOD editor->set_textstream
     EXPORTING
       text = mytext.
in status.
Then in read I tried to select single LCHR field from that row and put it in mytext TYPE string. In save I save mytext as LCHR field in database table. There is no error anywhere but it doesn't work. Is it even possible to save STRING text in LCHR field of database table?
What is alternative? Text objects from SE75?

Having a string in a database table is absolutely independent on having some trouble in the program. If you got an error saying you need only flat structure, that means you can't use a deep structure in the context.
I suppose you are using the structure on the screen or ALV. You can only use a flat structure there (no strings, no sub-tables...) as you would not be able to render a deep-structured data on the screen. Of course, ABAP could handle that e.g. by ignoring those deep fields, but we would want too much.

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Using edit text control for storing and displaying text of 1000 characters

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