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-rw-r--r--src/database/sql/sql.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/database/sql/sql.go b/src/database/sql/sql.go
index b0e8894673..0a84163a03 100644
--- a/src/database/sql/sql.go
+++ b/src/database/sql/sql.go
@@ -782,6 +782,9 @@ func (db *DB) putConn(dc *driverConn, err error) {
// If a connRequest was fulfilled or the *driverConn was placed in the
// freeConn list, then true is returned, otherwise false is returned.
func (db *DB) putConnDBLocked(dc *driverConn, err error) bool {
+ if db.maxOpen > 0 && db.numOpen > db.maxOpen {
+ return false
+ }
if c := len(db.connRequests); c > 0 {
req := db.connRequests[0]
// This copy is O(n) but in practice faster than a linked list.