diff options
| -rw-r--r-- | src/backend/parser/scan.l | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l index 998349d7421..acd92698057 100644 --- a/src/backend/parser/scan.l +++ b/src/backend/parser/scan.l @@ -1435,6 +1435,13 @@ litbuf_udeescape(unsigned char escape, core_yyscan_t yyscanner) } } + /* unfinished surrogate pair? */ + if (pair_first) + { + ADVANCE_YYLLOC(in - litbuf + 3); /* 3 for U&" */ + yyerror("invalid Unicode surrogate pair"); + } + *out = '\0'; /* |