diff --git a/pkg/migrations/op_add_column.go b/pkg/migrations/op_add_column.go
index 6708e1467..d24f8dfc5 100644
--- a/pkg/migrations/op_add_column.go
+++ b/pkg/migrations/op_add_column.go
@@ -32,13 +32,14 @@ func (o *OpAddColumn) Start(ctx context.Context, conn *sql.DB, schemaName, state
 	}
 
 	if o.Up != nil {
-		err := createTrigger(ctx, conn, s, triggerConfig{
+		err := createTrigger(ctx, conn, triggerConfig{
+			Name:           TriggerName(o.Table, o.Column.Name),
 			Direction:      TriggerDirectionUp,
+			Columns:        s.GetTable(o.Table).Columns,
 			SchemaName:     schemaName,
-			StateSchema:    stateSchema,
-			Table:          o.Table,
-			Column:         o.Column.Name,
+			TableName:      o.Table,
 			PhysicalColumn: TemporaryName(o.Column.Name),
+			StateSchema:    stateSchema,
 			SQL:            *o.Up,
 		})
 		if err != nil {
diff --git a/pkg/migrations/op_drop_column.go b/pkg/migrations/op_drop_column.go
index 1fa880e36..eb1e70734 100644
--- a/pkg/migrations/op_drop_column.go
+++ b/pkg/migrations/op_drop_column.go
@@ -19,13 +19,14 @@ var _ Operation = (*OpDropColumn)(nil)
 
 func (o *OpDropColumn) Start(ctx context.Context, conn *sql.DB, schemaName string, stateSchema string, s *schema.Schema) error {
 	if o.Down != nil {
-		err := createTrigger(ctx, conn, s, triggerConfig{
+		err := createTrigger(ctx, conn, triggerConfig{
+			Name:           TriggerName(o.Table, o.Column),
 			Direction:      TriggerDirectionDown,
+			Columns:        s.GetTable(o.Table).Columns,
 			SchemaName:     schemaName,
-			StateSchema:    stateSchema,
-			Table:          o.Table,
-			Column:         o.Column,
+			TableName:      o.Table,
 			PhysicalColumn: o.Column,
+			StateSchema:    stateSchema,
 			SQL:            *o.Down,
 		})
 		if err != nil {
diff --git a/pkg/migrations/op_set_notnull.go b/pkg/migrations/op_set_notnull.go
index 3eaaa70d6..e08e8fce4 100644
--- a/pkg/migrations/op_set_notnull.go
+++ b/pkg/migrations/op_set_notnull.go
@@ -32,16 +32,17 @@ func (o *OpSetNotNull) Start(ctx context.Context, conn *sql.DB, schemaName strin
 	}
 
 	// Add a trigger to copy values from the old column to the new, rewriting NULL values using the `up` SQL.
-	err := createTrigger(ctx, conn, s, triggerConfig{
+	err := createTrigger(ctx, conn, triggerConfig{
+		Name:           TriggerName(o.Table, o.Column),
 		Direction:      TriggerDirectionUp,
+		Columns:        table.Columns,
 		SchemaName:     schemaName,
-		StateSchema:    stateSchema,
-		Table:          o.Table,
-		Column:         o.Column,
+		TableName:      o.Table,
 		PhysicalColumn: TemporaryName(o.Column),
+		StateSchema:    stateSchema,
 		SQL:            *o.Up,
 		TestExpr:       fmt.Sprintf("NEW.%s IS NULL", pq.QuoteIdentifier(o.Column)),
-		ElseExpr: fmt.Sprintf("NEW.%s = NEW.%s;",
+		ElseExpr: fmt.Sprintf("NEW.%s = NEW.%s",
 			pq.QuoteIdentifier(TemporaryName(o.Column)),
 			pq.QuoteIdentifier(o.Column)),
 	})
@@ -55,13 +56,14 @@ func (o *OpSetNotNull) Start(ctx context.Context, conn *sql.DB, schemaName strin
 	}
 
 	// Add a trigger to copy values from the new column to the old.
-	err = createTrigger(ctx, conn, s, triggerConfig{
+	err = createTrigger(ctx, conn, triggerConfig{
+		Name:           TriggerName(o.Table, TemporaryName(o.Column)),
 		Direction:      TriggerDirectionDown,
+		Columns:        table.Columns,
 		SchemaName:     schemaName,
-		StateSchema:    stateSchema,
-		Table:          o.Table,
-		Column:         TemporaryName(o.Column),
+		TableName:      o.Table,
 		PhysicalColumn: o.Column,
+		StateSchema:    stateSchema,
 		SQL:            fmt.Sprintf("NEW.%s", pq.QuoteIdentifier(TemporaryName(o.Column))),
 	})
 	if err != nil {