Dictionary
Words, grammatical forms and meanings linked to the ontology.
null-terminated en · ADJ
Meanings
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(not-comparable, of data) Stored in memory followed by a null character, so that its length can be detected without having to be explicitly stored.
PostgreSQL has given you a text value, and text values are not null-terminated. You will need to convert fileNameText into a null-terminated string.
2003, Korry Douglas, Susan Douglas, PostgreSQL […] , Sams Publishing, →ISBN, page 225:
Synonyms
zero-terminated