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-rw-r--r--src/backend/access/spgist/spgtextproc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/spgist/spgtextproc.c b/src/backend/access/spgist/spgtextproc.c
index 73842655f08..91f4ab260c2 100644
--- a/src/backend/access/spgist/spgtextproc.c
+++ b/src/backend/access/spgist/spgtextproc.c
@@ -155,7 +155,7 @@ commonPrefix(const char *a, const char *b, int lena, int lenb)
* On success, *i gets the match location; on failure, it gets where to insert
*/
static bool
-searchChar(Datum *nodeLabels, int nNodes, int16 c, int *i)
+searchChar(const Datum *nodeLabels, int nNodes, int16 c, int *i)
{
int StopLow = 0,
StopHigh = nNodes;