Entrypoint blobmid not compatible with UTF-8 - use U_MID
Entrypoint r_blobmid not compatible with UTF-8 - use U_MID
Input BLOB TextBLOb INTEGER Position, at which the determined string starts INTEGER Length of returned string Output CSTRING(32760) number of letters (parameter 3) of the entered text starting from the entered letternumber (parameter 2)
F_BLOBMID - counting for parameter 2 starts with 0 F_RBLOBMID - counting for parameter 2 starts with 1 TestSQL (to use with TestISO.GDB) SELECT 'zwei' AS ISCORRECT, F_BLOBMID(TEXTBLOB, 4, 4) FROM BLOBTEST WHERE BLOBTESTID = 2; SELECT NULL AS ISCORRECT, F_BLOBMID(TEXTBLOB, NULL, NULL) FROM BLOBTEST WHERE BLOBTESTID = 10;