Functions / String Functions And Operators

unistr

Evaluate escaped Unicode characters in the argument.

Reading PG 18current·documented in 7 of 27 versions, 14 to 20

7.1 7.2 7.3 7.4 8.0 8.1 8.2 8.3 8.4 9.0 9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15 16 17 18 19 20

Signatures & examples

unistr ( text ) → text

Evaluate escaped Unicode characters in the argument. Unicode characters can be specified as \XXXX (4 hexadecimal digits), \+XXXXXX (6 hexadecimal digits), \uXXXX (4 hexadecimal digits), or \UXXXXXXXX (8 hexadecimal digits). To specify a backslash, write two backslashes. All other characters are taken literally.

unistr('d\0061t\+000061') → data

unistr('d\u0061t\U00000061') → data

Version history 1

13 → 14 added

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source