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-rw-r--r--src/backend/utils/adt/tsvector_op.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/utils/adt/tsvector_op.c b/src/backend/utils/adt/tsvector_op.c
index 3a138186f1f..8ba9ef22f56 100644
--- a/src/backend/utils/adt/tsvector_op.c
+++ b/src/backend/utils/adt/tsvector_op.c
@@ -1167,7 +1167,7 @@ tsCompareString(char *a, int lena, char *b, int lenb, bool prefix)
}
else
{
- cmp = memcmp(a, b, Min(lena, lenb));
+ cmp = memcmp(a, b, Min((unsigned int) lena, (unsigned int) lenb));
if (prefix)
{