func buildIndexPlan(ins *sqlparser.Insert, tablename string, index *Index, plan *Plan) error {
pos := -1
for i, column := range ins.Columns {
if index.Column == sqlparser.GetColName(column.(*sqlparser.NonStarExpr).Expr) {
pos = i
break
}
}
if pos == -1 && index.Owner == tablename && index.IsAutoInc {
pos = len(ins.Columns)
ins.Columns = append(ins.Columns, &sqlparser.NonStarExpr{Expr: &sqlparser.ColName{Name: []byte(index.Column)}})
ins.Rows.(sqlparser.Values)[0] = append(ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple), &sqlparser.NullVal{})
}
if pos == -1 {
return fmt.Errorf("must supply value for indexed column: %s", index.Column)
}
row := ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple)
val, err := sqlparser.AsInterface(row[pos])
if err != nil {
return fmt.Errorf("could not convert val: %s, pos: %d", row[pos], pos)
}
plan.Values = append(plan.Values.([]interface{}), val)
if index.Owner == tablename && index.IsAutoInc {
row[pos] = sqlparser.ValArg([]byte(fmt.Sprintf(":_%s", index.Column)))
}
return nil
}
func findOrInsertPos(ins *sqlparser.Insert, col string) (row sqlparser.ValTuple, pos int) {
pos = -1
for i, column := range ins.Columns {
if col == sqlparser.GetColName(column.(*sqlparser.NonStarExpr).Expr) {
pos = i
break
}
}
if pos == -1 {
pos = len(ins.Columns)
ins.Columns = append(ins.Columns, &sqlparser.NonStarExpr{Expr: &sqlparser.ColName{Name: sqlparser.SQLName(col)}})
ins.Rows.(sqlparser.Values)[0] = append(ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple), &sqlparser.NullVal{})
}
return ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple), pos
}
func findOrInsertPos(ins *sqlparser.Insert, col cistring.CIString, rowNum int) (row sqlparser.ValTuple, pos int) {
pos = -1
for i, column := range ins.Columns {
if col.Equal(cistring.CIString(column)) {
pos = i
break
}
}
if pos == -1 {
pos = len(ins.Columns)
ins.Columns = append(ins.Columns, sqlparser.ColIdent(col))
}
if pos == -1 || pos >= len(ins.Rows.(sqlparser.Values)[rowNum].(sqlparser.ValTuple)) {
ins.Rows.(sqlparser.Values)[rowNum] = append(ins.Rows.(sqlparser.Values)[rowNum].(sqlparser.ValTuple), &sqlparser.NullVal{})
}
return ins.Rows.(sqlparser.Values)[rowNum].(sqlparser.ValTuple), pos
}
func buildIndexPlan(ins *sqlparser.Insert, tablename string, colVindex *ColVindex, plan *Plan) error {
pos := -1
for i, column := range ins.Columns {
if colVindex.Col == sqlparser.GetColName(column.(*sqlparser.NonStarExpr).Expr) {
pos = i
break
}
}
if pos == -1 {
pos = len(ins.Columns)
ins.Columns = append(ins.Columns, &sqlparser.NonStarExpr{Expr: &sqlparser.ColName{Name: sqlparser.SQLName(colVindex.Col)}})
ins.Rows.(sqlparser.Values)[0] = append(ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple), &sqlparser.NullVal{})
}
row := ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple)
val, err := asInterface(row[pos])
if err != nil {
return fmt.Errorf("could not convert val: %s, pos: %d: %v", sqlparser.String(row[pos]), pos, err)
}
plan.Values = append(plan.Values.([]interface{}), val)
row[pos] = sqlparser.ValArg([]byte(fmt.Sprintf(":_%s", colVindex.Col)))
return nil
}