From e14a1adb3497b708dfe2694840dba568b6e8ddb8 Mon Sep 17 00:00:00 2001
From: Rohan Yadav <rohany@alumni.cmu.edu>
Date: Wed, 1 Jul 2020 14:18:11 -0400
Subject: [PATCH] mutations: remove session variable setting from postgres
 mutator

Fixes #48087.

This PR ensures that SQLSmith doesn't send session variable setting
statements to Postgres in various comparison tests.

Release note: None
---
 pkg/sql/mutations/mutations.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/sql/mutations/mutations.go b/pkg/sql/mutations/mutations.go
index d10f61846cf7..bda017afb470 100644
--- a/pkg/sql/mutations/mutations.go
+++ b/pkg/sql/mutations/mutations.go
@@ -536,7 +536,7 @@ func postgresMutator(rng *rand.Rand, q string) string {
 var postgresStatementMutator MultiStatementMutation = func(rng *rand.Rand, stmts []tree.Statement) (mutated []tree.Statement, changed bool) {
 	for _, stmt := range stmts {
 		switch stmt := stmt.(type) {
-		case *tree.SetClusterSetting:
+		case *tree.SetClusterSetting, *tree.SetVar:
 			continue
 		case *tree.CreateTable:
 			if stmt.Interleave != nil {