remove unused code/parameters

Author: James Cor

sql/analyzer/analyzer.go

@@ -518,7 +518,7 @@ func (a *Analyzer) analyzeWithSelector(ctx *sql.Context, n sql.Node, scope *plan
 	a.LogNode(n)
 
 	batches := a.Batches
-	if b, ok := getBatchesForNode(n, batches); ok {
+	if b, ok := getBatchesForNode(n); ok {
 		batches = b
 	}
 

sql/analyzer/autocommit.go

@@ -31,18 +31,4 @@ func addAutocommit(ctx *sql.Context, a *Analyzer, n sql.Node, scope *plan.Scope,
 		return n, transform.SameTree, nil
 	}
 	return plan.NewTransactionCommittingNode(n), transform.NewTree, nil
-}
-
-func hasShowWarningsNode(n sql.Node) bool {
-	var ret bool
-	transform.Inspect(n, func(n sql.Node) bool {
-		if _, ok := n.(plan.ShowWarnings); ok {
-			ret = true
-			return false
-		}
-
-		return true
-	})
-
-	return ret
-}
+}

sql/analyzer/node_batches.go

@@ -7,8 +7,8 @@ import (
 
 // getBatchesForNode returns a partial analyzer ruleset for simple node
 // types that require little prior validation before execution.
-func getBatchesForNode(n sql.Node, orig []*Batch) ([]*Batch, bool) {
-	switch n := n.(type) {
+func getBatchesForNode(node sql.Node) ([]*Batch, bool) {
+	switch n := node.(type) {
 	case *plan.Commit:
 		return nil, true
 	case *plan.StartTransaction: