Log conversions in sqlutils.applyConversions

Signed-off-by: Tim Vaillancourt <[email protected]>

go/vt/external/golib/sqlutils/dialect.go

@@ -46,8 +46,12 @@ func regexpSpaces(statement string) string {
 }
 
 func applyConversions(statement string, conversions []regexpMap) string {
+	originalStatement := statement
 	for _, rmap := range conversions {
 		statement = rmap.process(statement)
 	}
+	if statement != originalStatement {
+		log.Infof("sqlutils.applyConversions: converted %q to %q", originalStatement, statement)
+	}
 	return statement
 }