code style

Author: fungaren

schema/schema.go

@@ -183,7 +183,7 @@ func (ta *Table) FindColumn(name string) int {
 return -1
 }
 
-// Get TableColumn by primary index index
+// Get TableColumn by column index of primary key.
 func (ta *Table) GetPKColumn(index int) *TableColumn {
 if index >= len(ta.PKColumns) {
 return nil
@@ -192,8 +192,8 @@ func (ta *Table) GetPKColumn(index int) *TableColumn {
 }
 
 func (ta *Table) IsPrimaryKey(colIndex int) bool {
-for _, _colIndex := range ta.PKColumns {
-if _colIndex == colIndex {
+for _, i := range ta.PKColumns {
+if i == colIndex {
 return true
 }
 }