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-rw-r--r--src/backend/regex/regc_cvec.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/regex/regc_cvec.c b/src/backend/regex/regc_cvec.c
index 3a9e8cfbbd..50b7a4574b 100644
--- a/src/backend/regex/regc_cvec.c
+++ b/src/backend/regex/regc_cvec.c
@@ -34,7 +34,8 @@
/*
* Notes:
- * Only (selected) functions in _this_ file should treat chr* as non-constant.
+ * Only (selected) functions in _this_ file should treat the chr arrays
+ * of a cvec as non-constant.
*/
/*
@@ -67,6 +68,7 @@ clearcvec(struct cvec * cv)
assert(cv != NULL);
cv->nchrs = 0;
cv->nranges = 0;
+ cv->cclasscode = -1;
return cv;
}