diff --git a/field.go b/field.go
index 34e22ae95..94cb7b8e3 100644
--- a/field.go
+++ b/field.go
@@ -1502,7 +1502,7 @@ func (f *Field) ClearValue(qcx *Qcx, columnID uint64) (changed bool, err error)
 }
 
 func (f *Field) MaxForShard(qcx *Qcx, shard uint64, filter *Row) (ValCount, error) {
-	tx, finisher, err := qcx.GetTx(Txo{Write: true, Index: f.idx, Shard: shard})
+	tx, finisher, err := qcx.GetTx(Txo{Write: false, Index: f.idx, Shard: shard})
 	defer finisher(&err)
 	bsig := f.bsiGroup(f.name)
 	if bsig == nil {
@@ -1532,7 +1532,7 @@ func (f *Field) MaxForShard(qcx *Qcx, shard uint64, filter *Row) (ValCount, erro
 // (this field must be an Int or Decimal field). It also returns the
 // number of times the minimum value appears.
 func (f *Field) MinForShard(qcx *Qcx, shard uint64, filter *Row) (ValCount, error) {
-	tx, finisher, err := qcx.GetTx(Txo{Write: true, Index: f.idx, Shard: shard})
+	tx, finisher, err := qcx.GetTx(Txo{Write: false, Index: f.idx, Shard: shard})
 	defer finisher(&err)
 	bsig := f.bsiGroup(f.name)
 	if bsig == nil {
diff --git a/view.go b/view.go
index df9b269e2..b91c1d8a4 100644
--- a/view.go
+++ b/view.go
@@ -533,7 +533,7 @@ func (v *view) clearBit(qcx *Qcx, rowID, columnID uint64) (changed bool, err err
 // value uses a column of bits to read a multi-bit value.
 func (v *view) value(qcx *Qcx, columnID uint64, bitDepth uint64) (value int64, exists bool, err error) {
 	shard := columnID / ShardWidth
-	tx, finisher, err := qcx.GetTx(Txo{Write: true, Index: v.idx, Shard: shard})
+	tx, finisher, err := qcx.GetTx(Txo{Write: false, Index: v.idx, Shard: shard})
 	defer finisher(&err)
 	frag, err := v.CreateFragmentIfNotExists(shard)
 	if err != nil {