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fix CopyData comment #1078

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merged 1 commit into from Apr 12, 2022
Merged

fix CopyData comment #1078

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9 changes: 7 additions & 2 deletions copy.go
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Expand Up @@ -274,8 +274,13 @@ func (ci *copyin) Exec(v []driver.Value) (r driver.Result, err error) {
return driver.RowsAffected(0), nil
}

// CopyData executes a raw CopyData command using the PostgreSQL Frontend/Backend
// protocol. Use Exec(nil) to finish the command.
// CopyData inserts a raw string into the COPY stream. The insert is
// asynchronous and CopyData can return errors from previous CopyData calls to
// the same COPY stmt.
//
// You need to call Exec(nil) to sync the COPY stream and to get any
// errors from pending data, since Stmt.Close() doesn't return errors
// to the user.
func (ci *copyin) CopyData(ctx context.Context, line string) (r driver.Result, err error) {
if ci.closed {
return nil, errCopyInClosed
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