This commit is contained in:
parent
ed2dce5f92
commit
59f831db55
284
vendor/github.com/lib/pq/copy_BACKUP_6648.go
generated
vendored
284
vendor/github.com/lib/pq/copy_BACKUP_6648.go
generated
vendored
@ -1,284 +0,0 @@
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package pq
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import (
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"database/sql/driver"
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"encoding/binary"
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"errors"
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"fmt"
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"sync"
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)
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var (
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errCopyInClosed = errors.New("pq: copyin statement has already been closed")
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errBinaryCopyNotSupported = errors.New("pq: only text format supported for COPY")
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errCopyToNotSupported = errors.New("pq: COPY TO is not supported")
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errCopyNotSupportedOutsideTxn = errors.New("pq: COPY is only allowed inside a transaction")
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errCopyInProgress = errors.New("pq: COPY in progress")
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)
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// CopyIn creates a COPY FROM statement which can be prepared with
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// Tx.Prepare(). The target table should be visible in search_path.
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func CopyIn(table string, columns ...string) string {
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stmt := "COPY " + QuoteIdentifier(table) + " ("
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for i, col := range columns {
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if i != 0 {
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stmt += ", "
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}
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stmt += QuoteIdentifier(col)
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}
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stmt += ") FROM STDIN"
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return stmt
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}
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// CopyInSchema creates a COPY FROM statement which can be prepared with
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// Tx.Prepare().
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func CopyInSchema(schema, table string, columns ...string) string {
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stmt := "COPY " + QuoteIdentifier(schema) + "." + QuoteIdentifier(table) + " ("
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for i, col := range columns {
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if i != 0 {
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stmt += ", "
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}
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stmt += QuoteIdentifier(col)
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}
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stmt += ") FROM STDIN"
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return stmt
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}
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type copyin struct {
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cn *conn
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buffer []byte
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rowData chan []byte
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done chan bool
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closed bool
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sync.Mutex // guards err
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err error
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}
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const ciBufferSize = 64 * 1024
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// flush buffer before the buffer is filled up and needs reallocation
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const ciBufferFlushSize = 63 * 1024
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func (cn *conn) prepareCopyIn(q string) (_ driver.Stmt, err error) {
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if !cn.isInTransaction() {
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return nil, errCopyNotSupportedOutsideTxn
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}
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ci := ©in{
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cn: cn,
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buffer: make([]byte, 0, ciBufferSize),
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rowData: make(chan []byte),
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done: make(chan bool, 1),
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}
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// add CopyData identifier + 4 bytes for message length
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ci.buffer = append(ci.buffer, 'd', 0, 0, 0, 0)
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b := cn.writeBuf('Q')
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b.string(q)
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cn.send(b)
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awaitCopyInResponse:
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for {
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t, r := cn.recv1()
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switch t {
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case 'G':
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if r.byte() != 0 {
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err = errBinaryCopyNotSupported
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break awaitCopyInResponse
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}
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go ci.resploop()
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return ci, nil
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case 'H':
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err = errCopyToNotSupported
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break awaitCopyInResponse
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case 'E':
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err = parseError(r)
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case 'Z':
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if err == nil {
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ci.setBad()
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errorf("unexpected ReadyForQuery in response to COPY")
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}
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cn.processReadyForQuery(r)
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return nil, err
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default:
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ci.setBad()
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errorf("unknown response for copy query: %q", t)
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}
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}
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// something went wrong, abort COPY before we return
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b = cn.writeBuf('f')
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b.string(err.Error())
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cn.send(b)
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for {
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t, r := cn.recv1()
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switch t {
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case 'c', 'C', 'E':
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case 'Z':
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// correctly aborted, we're done
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cn.processReadyForQuery(r)
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return nil, err
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default:
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ci.setBad()
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errorf("unknown response for CopyFail: %q", t)
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}
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}
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}
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func (ci *copyin) flush(buf []byte) {
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// set message length (without message identifier)
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binary.BigEndian.PutUint32(buf[1:], uint32(len(buf)-1))
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_, err := ci.cn.c.Write(buf)
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if err != nil {
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panic(err)
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}
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}
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func (ci *copyin) resploop() {
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for {
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var r readBuf
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t, err := ci.cn.recvMessage(&r)
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if err != nil {
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ci.setBad()
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ci.setError(err)
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ci.done <- true
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return
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}
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switch t {
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case 'C':
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// complete
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case 'N':
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if n := ci.cn.noticeHandler; n != nil {
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n(parseError(&r))
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}
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case 'Z':
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ci.cn.processReadyForQuery(&r)
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ci.done <- true
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return
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case 'E':
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err := parseError(&r)
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ci.setError(err)
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default:
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ci.setBad()
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ci.setError(fmt.Errorf("unknown response during CopyIn: %q", t))
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ci.done <- true
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return
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}
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}
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}
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func (ci *copyin) setBad() {
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ci.Lock()
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ci.cn.bad = true
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ci.Unlock()
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}
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func (ci *copyin) isBad() bool {
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ci.Lock()
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b := ci.cn.bad
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ci.Unlock()
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return b
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}
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func (ci *copyin) isErrorSet() bool {
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ci.Lock()
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isSet := (ci.err != nil)
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ci.Unlock()
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return isSet
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}
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// setError() sets ci.err if one has not been set already. Caller must not be
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// holding ci.Mutex.
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func (ci *copyin) setError(err error) {
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ci.Lock()
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if ci.err == nil {
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ci.err = err
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}
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ci.Unlock()
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}
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func (ci *copyin) NumInput() int {
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return -1
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}
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func (ci *copyin) Query(v []driver.Value) (r driver.Rows, err error) {
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return nil, ErrNotSupported
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}
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// Exec inserts values into the COPY stream. The insert is asynchronous
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// and Exec can return errors from previous Exec calls to the same
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// COPY stmt.
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//
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// You need to call Exec(nil) to sync the COPY stream and to get any
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// errors from pending data, since Stmt.Close() doesn't return errors
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// to the user.
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func (ci *copyin) Exec(v []driver.Value) (r driver.Result, err error) {
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if ci.closed {
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return nil, errCopyInClosed
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}
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if ci.isBad() {
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return nil, driver.ErrBadConn
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}
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defer ci.cn.errRecover(&err)
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if ci.isErrorSet() {
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return nil, ci.err
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}
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if len(v) == 0 {
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return driver.RowsAffected(0), ci.Close()
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}
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numValues := len(v)
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for i, value := range v {
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ci.buffer = appendEncodedText(&ci.cn.parameterStatus, ci.buffer, value)
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if i < numValues-1 {
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ci.buffer = append(ci.buffer, '\t')
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}
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}
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ci.buffer = append(ci.buffer, '\n')
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if len(ci.buffer) > ciBufferFlushSize {
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ci.flush(ci.buffer)
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// reset buffer, keep bytes for message identifier and length
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ci.buffer = ci.buffer[:5]
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}
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return driver.RowsAffected(0), nil
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}
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func (ci *copyin) Close() (err error) {
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if ci.closed { // Don't do anything, we're already closed
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return nil
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}
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ci.closed = true
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if ci.isBad() {
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return driver.ErrBadConn
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}
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defer ci.cn.errRecover(&err)
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if len(ci.buffer) > 0 {
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ci.flush(ci.buffer)
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}
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// Avoid touching the scratch buffer as resploop could be using it.
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err = ci.cn.sendSimpleMessage('c')
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if err != nil {
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return err
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}
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<-ci.done
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ci.cn.inCopy = false
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if ci.isErrorSet() {
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err = ci.err
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return err
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}
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return nil
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}
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284
vendor/github.com/lib/pq/copy_BACKUP_6722.go
generated
vendored
284
vendor/github.com/lib/pq/copy_BACKUP_6722.go
generated
vendored
@ -1,284 +0,0 @@
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package pq
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import (
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"database/sql/driver"
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"encoding/binary"
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"errors"
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"fmt"
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"sync"
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)
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var (
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errCopyInClosed = errors.New("pq: copyin statement has already been closed")
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errBinaryCopyNotSupported = errors.New("pq: only text format supported for COPY")
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errCopyToNotSupported = errors.New("pq: COPY TO is not supported")
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errCopyNotSupportedOutsideTxn = errors.New("pq: COPY is only allowed inside a transaction")
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errCopyInProgress = errors.New("pq: COPY in progress")
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)
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// CopyIn creates a COPY FROM statement which can be prepared with
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// Tx.Prepare(). The target table should be visible in search_path.
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func CopyIn(table string, columns ...string) string {
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stmt := "COPY " + QuoteIdentifier(table) + " ("
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for i, col := range columns {
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if i != 0 {
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stmt += ", "
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}
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stmt += QuoteIdentifier(col)
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}
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stmt += ") FROM STDIN"
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return stmt
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}
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// CopyInSchema creates a COPY FROM statement which can be prepared with
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// Tx.Prepare().
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func CopyInSchema(schema, table string, columns ...string) string {
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stmt := "COPY " + QuoteIdentifier(schema) + "." + QuoteIdentifier(table) + " ("
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for i, col := range columns {
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if i != 0 {
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stmt += ", "
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}
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stmt += QuoteIdentifier(col)
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}
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stmt += ") FROM STDIN"
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return stmt
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}
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type copyin struct {
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cn *conn
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buffer []byte
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rowData chan []byte
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done chan bool
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closed bool
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sync.Mutex // guards err
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err error
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}
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const ciBufferSize = 64 * 1024
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// flush buffer before the buffer is filled up and needs reallocation
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const ciBufferFlushSize = 63 * 1024
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func (cn *conn) prepareCopyIn(q string) (_ driver.Stmt, err error) {
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if !cn.isInTransaction() {
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return nil, errCopyNotSupportedOutsideTxn
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}
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ci := ©in{
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cn: cn,
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buffer: make([]byte, 0, ciBufferSize),
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rowData: make(chan []byte),
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done: make(chan bool, 1),
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}
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// add CopyData identifier + 4 bytes for message length
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ci.buffer = append(ci.buffer, 'd', 0, 0, 0, 0)
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b := cn.writeBuf('Q')
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b.string(q)
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cn.send(b)
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awaitCopyInResponse:
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for {
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t, r := cn.recv1()
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switch t {
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case 'G':
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if r.byte() != 0 {
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err = errBinaryCopyNotSupported
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break awaitCopyInResponse
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}
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go ci.resploop()
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return ci, nil
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case 'H':
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err = errCopyToNotSupported
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break awaitCopyInResponse
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case 'E':
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err = parseError(r)
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case 'Z':
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if err == nil {
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ci.setBad()
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errorf("unexpected ReadyForQuery in response to COPY")
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}
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cn.processReadyForQuery(r)
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return nil, err
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default:
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ci.setBad()
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errorf("unknown response for copy query: %q", t)
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}
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}
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// something went wrong, abort COPY before we return
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b = cn.writeBuf('f')
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b.string(err.Error())
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cn.send(b)
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for {
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t, r := cn.recv1()
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switch t {
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case 'c', 'C', 'E':
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case 'Z':
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// correctly aborted, we're done
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cn.processReadyForQuery(r)
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return nil, err
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default:
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ci.setBad()
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errorf("unknown response for CopyFail: %q", t)
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}
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}
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}
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func (ci *copyin) flush(buf []byte) {
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// set message length (without message identifier)
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binary.BigEndian.PutUint32(buf[1:], uint32(len(buf)-1))
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_, err := ci.cn.c.Write(buf)
|
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if err != nil {
|
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panic(err)
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}
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}
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func (ci *copyin) resploop() {
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for {
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var r readBuf
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t, err := ci.cn.recvMessage(&r)
|
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if err != nil {
|
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ci.setBad()
|
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ci.setError(err)
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ci.done <- true
|
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return
|
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}
|
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switch t {
|
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case 'C':
|
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// complete
|
||||
case 'N':
|
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if n := ci.cn.noticeHandler; n != nil {
|
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n(parseError(&r))
|
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}
|
||||
case 'Z':
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ci.cn.processReadyForQuery(&r)
|
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ci.done <- true
|
||||
return
|
||||
case 'E':
|
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err := parseError(&r)
|
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ci.setError(err)
|
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default:
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ci.setBad()
|
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ci.setError(fmt.Errorf("unknown response during CopyIn: %q", t))
|
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ci.done <- true
|
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return
|
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}
|
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}
|
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}
|
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|
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func (ci *copyin) setBad() {
|
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ci.Lock()
|
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ci.cn.bad = true
|
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ci.Unlock()
|
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}
|
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func (ci *copyin) isBad() bool {
|
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ci.Lock()
|
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b := ci.cn.bad
|
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ci.Unlock()
|
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return b
|
||||
}
|
||||
|
||||
func (ci *copyin) isErrorSet() bool {
|
||||
ci.Lock()
|
||||
isSet := (ci.err != nil)
|
||||
ci.Unlock()
|
||||
return isSet
|
||||
}
|
||||
|
||||
// setError() sets ci.err if one has not been set already. Caller must not be
|
||||
// holding ci.Mutex.
|
||||
func (ci *copyin) setError(err error) {
|
||||
ci.Lock()
|
||||
if ci.err == nil {
|
||||
ci.err = err
|
||||
}
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) NumInput() int {
|
||||
return -1
|
||||
}
|
||||
|
||||
func (ci *copyin) Query(v []driver.Value) (r driver.Rows, err error) {
|
||||
return nil, ErrNotSupported
|
||||
}
|
||||
|
||||
// Exec inserts values into the COPY stream. The insert is asynchronous
|
||||
// and Exec can return errors from previous Exec 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) Exec(v []driver.Value) (r driver.Result, err error) {
|
||||
if ci.closed {
|
||||
return nil, errCopyInClosed
|
||||
}
|
||||
|
||||
if ci.isBad() {
|
||||
return nil, driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if ci.isErrorSet() {
|
||||
return nil, ci.err
|
||||
}
|
||||
|
||||
if len(v) == 0 {
|
||||
return driver.RowsAffected(0), ci.Close()
|
||||
}
|
||||
|
||||
numValues := len(v)
|
||||
for i, value := range v {
|
||||
ci.buffer = appendEncodedText(&ci.cn.parameterStatus, ci.buffer, value)
|
||||
if i < numValues-1 {
|
||||
ci.buffer = append(ci.buffer, '\t')
|
||||
}
|
||||
}
|
||||
|
||||
ci.buffer = append(ci.buffer, '\n')
|
||||
|
||||
if len(ci.buffer) > ciBufferFlushSize {
|
||||
ci.flush(ci.buffer)
|
||||
// reset buffer, keep bytes for message identifier and length
|
||||
ci.buffer = ci.buffer[:5]
|
||||
}
|
||||
|
||||
return driver.RowsAffected(0), nil
|
||||
}
|
||||
|
||||
func (ci *copyin) Close() (err error) {
|
||||
if ci.closed { // Don't do anything, we're already closed
|
||||
return nil
|
||||
}
|
||||
ci.closed = true
|
||||
|
||||
if ci.isBad() {
|
||||
return driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if len(ci.buffer) > 0 {
|
||||
ci.flush(ci.buffer)
|
||||
}
|
||||
// Avoid touching the scratch buffer as resploop could be using it.
|
||||
err = ci.cn.sendSimpleMessage('c')
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
<-ci.done
|
||||
ci.cn.inCopy = false
|
||||
|
||||
if ci.isErrorSet() {
|
||||
err = ci.err
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
0
vendor/github.com/lib/pq/copy_BASE_6648.go
generated
vendored
0
vendor/github.com/lib/pq/copy_BASE_6648.go
generated
vendored
0
vendor/github.com/lib/pq/copy_BASE_6722.go
generated
vendored
0
vendor/github.com/lib/pq/copy_BASE_6722.go
generated
vendored
284
vendor/github.com/lib/pq/copy_LOCAL_6648.go
generated
vendored
284
vendor/github.com/lib/pq/copy_LOCAL_6648.go
generated
vendored
@ -1,284 +0,0 @@
|
||||
package pq
|
||||
|
||||
import (
|
||||
"database/sql/driver"
|
||||
"encoding/binary"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
errCopyInClosed = errors.New("pq: copyin statement has already been closed")
|
||||
errBinaryCopyNotSupported = errors.New("pq: only text format supported for COPY")
|
||||
errCopyToNotSupported = errors.New("pq: COPY TO is not supported")
|
||||
errCopyNotSupportedOutsideTxn = errors.New("pq: COPY is only allowed inside a transaction")
|
||||
errCopyInProgress = errors.New("pq: COPY in progress")
|
||||
)
|
||||
|
||||
// CopyIn creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare(). The target table should be visible in search_path.
|
||||
func CopyIn(table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
// CopyInSchema creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare().
|
||||
func CopyInSchema(schema, table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(schema) + "." + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
type copyin struct {
|
||||
cn *conn
|
||||
buffer []byte
|
||||
rowData chan []byte
|
||||
done chan bool
|
||||
|
||||
closed bool
|
||||
|
||||
sync.Mutex // guards err
|
||||
err error
|
||||
}
|
||||
|
||||
const ciBufferSize = 64 * 1024
|
||||
|
||||
// flush buffer before the buffer is filled up and needs reallocation
|
||||
const ciBufferFlushSize = 63 * 1024
|
||||
|
||||
func (cn *conn) prepareCopyIn(q string) (_ driver.Stmt, err error) {
|
||||
if !cn.isInTransaction() {
|
||||
return nil, errCopyNotSupportedOutsideTxn
|
||||
}
|
||||
|
||||
ci := ©in{
|
||||
cn: cn,
|
||||
buffer: make([]byte, 0, ciBufferSize),
|
||||
rowData: make(chan []byte),
|
||||
done: make(chan bool, 1),
|
||||
}
|
||||
// add CopyData identifier + 4 bytes for message length
|
||||
ci.buffer = append(ci.buffer, 'd', 0, 0, 0, 0)
|
||||
|
||||
b := cn.writeBuf('Q')
|
||||
b.string(q)
|
||||
cn.send(b)
|
||||
|
||||
awaitCopyInResponse:
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'G':
|
||||
if r.byte() != 0 {
|
||||
err = errBinaryCopyNotSupported
|
||||
break awaitCopyInResponse
|
||||
}
|
||||
go ci.resploop()
|
||||
return ci, nil
|
||||
case 'H':
|
||||
err = errCopyToNotSupported
|
||||
break awaitCopyInResponse
|
||||
case 'E':
|
||||
err = parseError(r)
|
||||
case 'Z':
|
||||
if err == nil {
|
||||
ci.setBad()
|
||||
errorf("unexpected ReadyForQuery in response to COPY")
|
||||
}
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for copy query: %q", t)
|
||||
}
|
||||
}
|
||||
|
||||
// something went wrong, abort COPY before we return
|
||||
b = cn.writeBuf('f')
|
||||
b.string(err.Error())
|
||||
cn.send(b)
|
||||
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'c', 'C', 'E':
|
||||
case 'Z':
|
||||
// correctly aborted, we're done
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for CopyFail: %q", t)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) flush(buf []byte) {
|
||||
// set message length (without message identifier)
|
||||
binary.BigEndian.PutUint32(buf[1:], uint32(len(buf)-1))
|
||||
|
||||
_, err := ci.cn.c.Write(buf)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) resploop() {
|
||||
for {
|
||||
var r readBuf
|
||||
t, err := ci.cn.recvMessage(&r)
|
||||
if err != nil {
|
||||
ci.setBad()
|
||||
ci.setError(err)
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
switch t {
|
||||
case 'C':
|
||||
// complete
|
||||
case 'N':
|
||||
if n := ci.cn.noticeHandler; n != nil {
|
||||
n(parseError(&r))
|
||||
}
|
||||
case 'Z':
|
||||
ci.cn.processReadyForQuery(&r)
|
||||
ci.done <- true
|
||||
return
|
||||
case 'E':
|
||||
err := parseError(&r)
|
||||
ci.setError(err)
|
||||
default:
|
||||
ci.setBad()
|
||||
ci.setError(fmt.Errorf("unknown response during CopyIn: %q", t))
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) setBad() {
|
||||
ci.Lock()
|
||||
ci.cn.bad = true
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) isBad() bool {
|
||||
ci.Lock()
|
||||
b := ci.cn.bad
|
||||
ci.Unlock()
|
||||
return b
|
||||
}
|
||||
|
||||
func (ci *copyin) isErrorSet() bool {
|
||||
ci.Lock()
|
||||
isSet := (ci.err != nil)
|
||||
ci.Unlock()
|
||||
return isSet
|
||||
}
|
||||
|
||||
// setError() sets ci.err if one has not been set already. Caller must not be
|
||||
// holding ci.Mutex.
|
||||
func (ci *copyin) setError(err error) {
|
||||
ci.Lock()
|
||||
if ci.err == nil {
|
||||
ci.err = err
|
||||
}
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) NumInput() int {
|
||||
return -1
|
||||
}
|
||||
|
||||
func (ci *copyin) Query(v []driver.Value) (r driver.Rows, err error) {
|
||||
return nil, ErrNotSupported
|
||||
}
|
||||
|
||||
// Exec inserts values into the COPY stream. The insert is asynchronous
|
||||
// and Exec can return errors from previous Exec 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) Exec(v []driver.Value) (r driver.Result, err error) {
|
||||
if ci.closed {
|
||||
return nil, errCopyInClosed
|
||||
}
|
||||
|
||||
if ci.isBad() {
|
||||
return nil, driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if ci.isErrorSet() {
|
||||
return nil, ci.err
|
||||
}
|
||||
|
||||
if len(v) == 0 {
|
||||
return driver.RowsAffected(0), ci.Close()
|
||||
}
|
||||
|
||||
numValues := len(v)
|
||||
for i, value := range v {
|
||||
ci.buffer = appendEncodedText(&ci.cn.parameterStatus, ci.buffer, value)
|
||||
if i < numValues-1 {
|
||||
ci.buffer = append(ci.buffer, '\t')
|
||||
}
|
||||
}
|
||||
|
||||
ci.buffer = append(ci.buffer, '\n')
|
||||
|
||||
if len(ci.buffer) > ciBufferFlushSize {
|
||||
ci.flush(ci.buffer)
|
||||
// reset buffer, keep bytes for message identifier and length
|
||||
ci.buffer = ci.buffer[:5]
|
||||
}
|
||||
|
||||
return driver.RowsAffected(0), nil
|
||||
}
|
||||
|
||||
func (ci *copyin) Close() (err error) {
|
||||
if ci.closed { // Don't do anything, we're already closed
|
||||
return nil
|
||||
}
|
||||
ci.closed = true
|
||||
|
||||
if ci.isBad() {
|
||||
return driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if len(ci.buffer) > 0 {
|
||||
ci.flush(ci.buffer)
|
||||
}
|
||||
// Avoid touching the scratch buffer as resploop could be using it.
|
||||
err = ci.cn.sendSimpleMessage('c')
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
<-ci.done
|
||||
ci.cn.inCopy = false
|
||||
|
||||
if ci.isErrorSet() {
|
||||
err = ci.err
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
284
vendor/github.com/lib/pq/copy_LOCAL_6722.go
generated
vendored
284
vendor/github.com/lib/pq/copy_LOCAL_6722.go
generated
vendored
@ -1,284 +0,0 @@
|
||||
package pq
|
||||
|
||||
import (
|
||||
"database/sql/driver"
|
||||
"encoding/binary"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
errCopyInClosed = errors.New("pq: copyin statement has already been closed")
|
||||
errBinaryCopyNotSupported = errors.New("pq: only text format supported for COPY")
|
||||
errCopyToNotSupported = errors.New("pq: COPY TO is not supported")
|
||||
errCopyNotSupportedOutsideTxn = errors.New("pq: COPY is only allowed inside a transaction")
|
||||
errCopyInProgress = errors.New("pq: COPY in progress")
|
||||
)
|
||||
|
||||
// CopyIn creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare(). The target table should be visible in search_path.
|
||||
func CopyIn(table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
// CopyInSchema creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare().
|
||||
func CopyInSchema(schema, table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(schema) + "." + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
type copyin struct {
|
||||
cn *conn
|
||||
buffer []byte
|
||||
rowData chan []byte
|
||||
done chan bool
|
||||
|
||||
closed bool
|
||||
|
||||
sync.Mutex // guards err
|
||||
err error
|
||||
}
|
||||
|
||||
const ciBufferSize = 64 * 1024
|
||||
|
||||
// flush buffer before the buffer is filled up and needs reallocation
|
||||
const ciBufferFlushSize = 63 * 1024
|
||||
|
||||
func (cn *conn) prepareCopyIn(q string) (_ driver.Stmt, err error) {
|
||||
if !cn.isInTransaction() {
|
||||
return nil, errCopyNotSupportedOutsideTxn
|
||||
}
|
||||
|
||||
ci := ©in{
|
||||
cn: cn,
|
||||
buffer: make([]byte, 0, ciBufferSize),
|
||||
rowData: make(chan []byte),
|
||||
done: make(chan bool, 1),
|
||||
}
|
||||
// add CopyData identifier + 4 bytes for message length
|
||||
ci.buffer = append(ci.buffer, 'd', 0, 0, 0, 0)
|
||||
|
||||
b := cn.writeBuf('Q')
|
||||
b.string(q)
|
||||
cn.send(b)
|
||||
|
||||
awaitCopyInResponse:
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'G':
|
||||
if r.byte() != 0 {
|
||||
err = errBinaryCopyNotSupported
|
||||
break awaitCopyInResponse
|
||||
}
|
||||
go ci.resploop()
|
||||
return ci, nil
|
||||
case 'H':
|
||||
err = errCopyToNotSupported
|
||||
break awaitCopyInResponse
|
||||
case 'E':
|
||||
err = parseError(r)
|
||||
case 'Z':
|
||||
if err == nil {
|
||||
ci.setBad()
|
||||
errorf("unexpected ReadyForQuery in response to COPY")
|
||||
}
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for copy query: %q", t)
|
||||
}
|
||||
}
|
||||
|
||||
// something went wrong, abort COPY before we return
|
||||
b = cn.writeBuf('f')
|
||||
b.string(err.Error())
|
||||
cn.send(b)
|
||||
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'c', 'C', 'E':
|
||||
case 'Z':
|
||||
// correctly aborted, we're done
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for CopyFail: %q", t)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) flush(buf []byte) {
|
||||
// set message length (without message identifier)
|
||||
binary.BigEndian.PutUint32(buf[1:], uint32(len(buf)-1))
|
||||
|
||||
_, err := ci.cn.c.Write(buf)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) resploop() {
|
||||
for {
|
||||
var r readBuf
|
||||
t, err := ci.cn.recvMessage(&r)
|
||||
if err != nil {
|
||||
ci.setBad()
|
||||
ci.setError(err)
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
switch t {
|
||||
case 'C':
|
||||
// complete
|
||||
case 'N':
|
||||
if n := ci.cn.noticeHandler; n != nil {
|
||||
n(parseError(&r))
|
||||
}
|
||||
case 'Z':
|
||||
ci.cn.processReadyForQuery(&r)
|
||||
ci.done <- true
|
||||
return
|
||||
case 'E':
|
||||
err := parseError(&r)
|
||||
ci.setError(err)
|
||||
default:
|
||||
ci.setBad()
|
||||
ci.setError(fmt.Errorf("unknown response during CopyIn: %q", t))
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) setBad() {
|
||||
ci.Lock()
|
||||
ci.cn.bad = true
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) isBad() bool {
|
||||
ci.Lock()
|
||||
b := ci.cn.bad
|
||||
ci.Unlock()
|
||||
return b
|
||||
}
|
||||
|
||||
func (ci *copyin) isErrorSet() bool {
|
||||
ci.Lock()
|
||||
isSet := (ci.err != nil)
|
||||
ci.Unlock()
|
||||
return isSet
|
||||
}
|
||||
|
||||
// setError() sets ci.err if one has not been set already. Caller must not be
|
||||
// holding ci.Mutex.
|
||||
func (ci *copyin) setError(err error) {
|
||||
ci.Lock()
|
||||
if ci.err == nil {
|
||||
ci.err = err
|
||||
}
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) NumInput() int {
|
||||
return -1
|
||||
}
|
||||
|
||||
func (ci *copyin) Query(v []driver.Value) (r driver.Rows, err error) {
|
||||
return nil, ErrNotSupported
|
||||
}
|
||||
|
||||
// Exec inserts values into the COPY stream. The insert is asynchronous
|
||||
// and Exec can return errors from previous Exec 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) Exec(v []driver.Value) (r driver.Result, err error) {
|
||||
if ci.closed {
|
||||
return nil, errCopyInClosed
|
||||
}
|
||||
|
||||
if ci.isBad() {
|
||||
return nil, driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if ci.isErrorSet() {
|
||||
return nil, ci.err
|
||||
}
|
||||
|
||||
if len(v) == 0 {
|
||||
return driver.RowsAffected(0), ci.Close()
|
||||
}
|
||||
|
||||
numValues := len(v)
|
||||
for i, value := range v {
|
||||
ci.buffer = appendEncodedText(&ci.cn.parameterStatus, ci.buffer, value)
|
||||
if i < numValues-1 {
|
||||
ci.buffer = append(ci.buffer, '\t')
|
||||
}
|
||||
}
|
||||
|
||||
ci.buffer = append(ci.buffer, '\n')
|
||||
|
||||
if len(ci.buffer) > ciBufferFlushSize {
|
||||
ci.flush(ci.buffer)
|
||||
// reset buffer, keep bytes for message identifier and length
|
||||
ci.buffer = ci.buffer[:5]
|
||||
}
|
||||
|
||||
return driver.RowsAffected(0), nil
|
||||
}
|
||||
|
||||
func (ci *copyin) Close() (err error) {
|
||||
if ci.closed { // Don't do anything, we're already closed
|
||||
return nil
|
||||
}
|
||||
ci.closed = true
|
||||
|
||||
if ci.isBad() {
|
||||
return driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if len(ci.buffer) > 0 {
|
||||
ci.flush(ci.buffer)
|
||||
}
|
||||
// Avoid touching the scratch buffer as resploop could be using it.
|
||||
err = ci.cn.sendSimpleMessage('c')
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
<-ci.done
|
||||
ci.cn.inCopy = false
|
||||
|
||||
if ci.isErrorSet() {
|
||||
err = ci.err
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
282
vendor/github.com/lib/pq/copy_REMOTE_6648.go
generated
vendored
282
vendor/github.com/lib/pq/copy_REMOTE_6648.go
generated
vendored
@ -1,282 +0,0 @@
|
||||
package pq
|
||||
|
||||
import (
|
||||
"database/sql/driver"
|
||||
"encoding/binary"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
errCopyInClosed = errors.New("pq: copyin statement has already been closed")
|
||||
errBinaryCopyNotSupported = errors.New("pq: only text format supported for COPY")
|
||||
errCopyToNotSupported = errors.New("pq: COPY TO is not supported")
|
||||
errCopyNotSupportedOutsideTxn = errors.New("pq: COPY is only allowed inside a transaction")
|
||||
errCopyInProgress = errors.New("pq: COPY in progress")
|
||||
)
|
||||
|
||||
// CopyIn creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare(). The target table should be visible in search_path.
|
||||
func CopyIn(table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
// CopyInSchema creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare().
|
||||
func CopyInSchema(schema, table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(schema) + "." + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
type copyin struct {
|
||||
cn *conn
|
||||
buffer []byte
|
||||
rowData chan []byte
|
||||
done chan bool
|
||||
|
||||
closed bool
|
||||
|
||||
sync.Mutex // guards err
|
||||
err error
|
||||
}
|
||||
|
||||
const ciBufferSize = 64 * 1024
|
||||
|
||||
// flush buffer before the buffer is filled up and needs reallocation
|
||||
const ciBufferFlushSize = 63 * 1024
|
||||
|
||||
func (cn *conn) prepareCopyIn(q string) (_ driver.Stmt, err error) {
|
||||
if !cn.isInTransaction() {
|
||||
return nil, errCopyNotSupportedOutsideTxn
|
||||
}
|
||||
|
||||
ci := ©in{
|
||||
cn: cn,
|
||||
buffer: make([]byte, 0, ciBufferSize),
|
||||
rowData: make(chan []byte),
|
||||
done: make(chan bool, 1),
|
||||
}
|
||||
// add CopyData identifier + 4 bytes for message length
|
||||
ci.buffer = append(ci.buffer, 'd', 0, 0, 0, 0)
|
||||
|
||||
b := cn.writeBuf('Q')
|
||||
b.string(q)
|
||||
cn.send(b)
|
||||
|
||||
awaitCopyInResponse:
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'G':
|
||||
if r.byte() != 0 {
|
||||
err = errBinaryCopyNotSupported
|
||||
break awaitCopyInResponse
|
||||
}
|
||||
go ci.resploop()
|
||||
return ci, nil
|
||||
case 'H':
|
||||
err = errCopyToNotSupported
|
||||
break awaitCopyInResponse
|
||||
case 'E':
|
||||
err = parseError(r)
|
||||
case 'Z':
|
||||
if err == nil {
|
||||
ci.setBad()
|
||||
errorf("unexpected ReadyForQuery in response to COPY")
|
||||
}
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for copy query: %q", t)
|
||||
}
|
||||
}
|
||||
|
||||
// something went wrong, abort COPY before we return
|
||||
b = cn.writeBuf('f')
|
||||
b.string(err.Error())
|
||||
cn.send(b)
|
||||
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'c', 'C', 'E':
|
||||
case 'Z':
|
||||
// correctly aborted, we're done
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for CopyFail: %q", t)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) flush(buf []byte) {
|
||||
// set message length (without message identifier)
|
||||
binary.BigEndian.PutUint32(buf[1:], uint32(len(buf)-1))
|
||||
|
||||
_, err := ci.cn.c.Write(buf)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) resploop() {
|
||||
for {
|
||||
var r readBuf
|
||||
t, err := ci.cn.recvMessage(&r)
|
||||
if err != nil {
|
||||
ci.setBad()
|
||||
ci.setError(err)
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
switch t {
|
||||
case 'C':
|
||||
// complete
|
||||
case 'N':
|
||||
// NoticeResponse
|
||||
case 'Z':
|
||||
ci.cn.processReadyForQuery(&r)
|
||||
ci.done <- true
|
||||
return
|
||||
case 'E':
|
||||
err := parseError(&r)
|
||||
ci.setError(err)
|
||||
default:
|
||||
ci.setBad()
|
||||
ci.setError(fmt.Errorf("unknown response during CopyIn: %q", t))
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) setBad() {
|
||||
ci.Lock()
|
||||
ci.cn.bad = true
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) isBad() bool {
|
||||
ci.Lock()
|
||||
b := ci.cn.bad
|
||||
ci.Unlock()
|
||||
return b
|
||||
}
|
||||
|
||||
func (ci *copyin) isErrorSet() bool {
|
||||
ci.Lock()
|
||||
isSet := (ci.err != nil)
|
||||
ci.Unlock()
|
||||
return isSet
|
||||
}
|
||||
|
||||
// setError() sets ci.err if one has not been set already. Caller must not be
|
||||
// holding ci.Mutex.
|
||||
func (ci *copyin) setError(err error) {
|
||||
ci.Lock()
|
||||
if ci.err == nil {
|
||||
ci.err = err
|
||||
}
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) NumInput() int {
|
||||
return -1
|
||||
}
|
||||
|
||||
func (ci *copyin) Query(v []driver.Value) (r driver.Rows, err error) {
|
||||
return nil, ErrNotSupported
|
||||
}
|
||||
|
||||
// Exec inserts values into the COPY stream. The insert is asynchronous
|
||||
// and Exec can return errors from previous Exec 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) Exec(v []driver.Value) (r driver.Result, err error) {
|
||||
if ci.closed {
|
||||
return nil, errCopyInClosed
|
||||
}
|
||||
|
||||
if ci.isBad() {
|
||||
return nil, driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if ci.isErrorSet() {
|
||||
return nil, ci.err
|
||||
}
|
||||
|
||||
if len(v) == 0 {
|
||||
return nil, ci.Close()
|
||||
}
|
||||
|
||||
numValues := len(v)
|
||||
for i, value := range v {
|
||||
ci.buffer = appendEncodedText(&ci.cn.parameterStatus, ci.buffer, value)
|
||||
if i < numValues-1 {
|
||||
ci.buffer = append(ci.buffer, '\t')
|
||||
}
|
||||
}
|
||||
|
||||
ci.buffer = append(ci.buffer, '\n')
|
||||
|
||||
if len(ci.buffer) > ciBufferFlushSize {
|
||||
ci.flush(ci.buffer)
|
||||
// reset buffer, keep bytes for message identifier and length
|
||||
ci.buffer = ci.buffer[:5]
|
||||
}
|
||||
|
||||
return driver.RowsAffected(0), nil
|
||||
}
|
||||
|
||||
func (ci *copyin) Close() (err error) {
|
||||
if ci.closed { // Don't do anything, we're already closed
|
||||
return nil
|
||||
}
|
||||
ci.closed = true
|
||||
|
||||
if ci.isBad() {
|
||||
return driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if len(ci.buffer) > 0 {
|
||||
ci.flush(ci.buffer)
|
||||
}
|
||||
// Avoid touching the scratch buffer as resploop could be using it.
|
||||
err = ci.cn.sendSimpleMessage('c')
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
<-ci.done
|
||||
ci.cn.inCopy = false
|
||||
|
||||
if ci.isErrorSet() {
|
||||
err = ci.err
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
282
vendor/github.com/lib/pq/copy_REMOTE_6722.go
generated
vendored
282
vendor/github.com/lib/pq/copy_REMOTE_6722.go
generated
vendored
@ -1,282 +0,0 @@
|
||||
package pq
|
||||
|
||||
import (
|
||||
"database/sql/driver"
|
||||
"encoding/binary"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
errCopyInClosed = errors.New("pq: copyin statement has already been closed")
|
||||
errBinaryCopyNotSupported = errors.New("pq: only text format supported for COPY")
|
||||
errCopyToNotSupported = errors.New("pq: COPY TO is not supported")
|
||||
errCopyNotSupportedOutsideTxn = errors.New("pq: COPY is only allowed inside a transaction")
|
||||
errCopyInProgress = errors.New("pq: COPY in progress")
|
||||
)
|
||||
|
||||
// CopyIn creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare(). The target table should be visible in search_path.
|
||||
func CopyIn(table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
// CopyInSchema creates a COPY FROM statement which can be prepared with
|
||||
// Tx.Prepare().
|
||||
func CopyInSchema(schema, table string, columns ...string) string {
|
||||
stmt := "COPY " + QuoteIdentifier(schema) + "." + QuoteIdentifier(table) + " ("
|
||||
for i, col := range columns {
|
||||
if i != 0 {
|
||||
stmt += ", "
|
||||
}
|
||||
stmt += QuoteIdentifier(col)
|
||||
}
|
||||
stmt += ") FROM STDIN"
|
||||
return stmt
|
||||
}
|
||||
|
||||
type copyin struct {
|
||||
cn *conn
|
||||
buffer []byte
|
||||
rowData chan []byte
|
||||
done chan bool
|
||||
|
||||
closed bool
|
||||
|
||||
sync.Mutex // guards err
|
||||
err error
|
||||
}
|
||||
|
||||
const ciBufferSize = 64 * 1024
|
||||
|
||||
// flush buffer before the buffer is filled up and needs reallocation
|
||||
const ciBufferFlushSize = 63 * 1024
|
||||
|
||||
func (cn *conn) prepareCopyIn(q string) (_ driver.Stmt, err error) {
|
||||
if !cn.isInTransaction() {
|
||||
return nil, errCopyNotSupportedOutsideTxn
|
||||
}
|
||||
|
||||
ci := ©in{
|
||||
cn: cn,
|
||||
buffer: make([]byte, 0, ciBufferSize),
|
||||
rowData: make(chan []byte),
|
||||
done: make(chan bool, 1),
|
||||
}
|
||||
// add CopyData identifier + 4 bytes for message length
|
||||
ci.buffer = append(ci.buffer, 'd', 0, 0, 0, 0)
|
||||
|
||||
b := cn.writeBuf('Q')
|
||||
b.string(q)
|
||||
cn.send(b)
|
||||
|
||||
awaitCopyInResponse:
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'G':
|
||||
if r.byte() != 0 {
|
||||
err = errBinaryCopyNotSupported
|
||||
break awaitCopyInResponse
|
||||
}
|
||||
go ci.resploop()
|
||||
return ci, nil
|
||||
case 'H':
|
||||
err = errCopyToNotSupported
|
||||
break awaitCopyInResponse
|
||||
case 'E':
|
||||
err = parseError(r)
|
||||
case 'Z':
|
||||
if err == nil {
|
||||
ci.setBad()
|
||||
errorf("unexpected ReadyForQuery in response to COPY")
|
||||
}
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for copy query: %q", t)
|
||||
}
|
||||
}
|
||||
|
||||
// something went wrong, abort COPY before we return
|
||||
b = cn.writeBuf('f')
|
||||
b.string(err.Error())
|
||||
cn.send(b)
|
||||
|
||||
for {
|
||||
t, r := cn.recv1()
|
||||
switch t {
|
||||
case 'c', 'C', 'E':
|
||||
case 'Z':
|
||||
// correctly aborted, we're done
|
||||
cn.processReadyForQuery(r)
|
||||
return nil, err
|
||||
default:
|
||||
ci.setBad()
|
||||
errorf("unknown response for CopyFail: %q", t)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) flush(buf []byte) {
|
||||
// set message length (without message identifier)
|
||||
binary.BigEndian.PutUint32(buf[1:], uint32(len(buf)-1))
|
||||
|
||||
_, err := ci.cn.c.Write(buf)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) resploop() {
|
||||
for {
|
||||
var r readBuf
|
||||
t, err := ci.cn.recvMessage(&r)
|
||||
if err != nil {
|
||||
ci.setBad()
|
||||
ci.setError(err)
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
switch t {
|
||||
case 'C':
|
||||
// complete
|
||||
case 'N':
|
||||
// NoticeResponse
|
||||
case 'Z':
|
||||
ci.cn.processReadyForQuery(&r)
|
||||
ci.done <- true
|
||||
return
|
||||
case 'E':
|
||||
err := parseError(&r)
|
||||
ci.setError(err)
|
||||
default:
|
||||
ci.setBad()
|
||||
ci.setError(fmt.Errorf("unknown response during CopyIn: %q", t))
|
||||
ci.done <- true
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (ci *copyin) setBad() {
|
||||
ci.Lock()
|
||||
ci.cn.bad = true
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) isBad() bool {
|
||||
ci.Lock()
|
||||
b := ci.cn.bad
|
||||
ci.Unlock()
|
||||
return b
|
||||
}
|
||||
|
||||
func (ci *copyin) isErrorSet() bool {
|
||||
ci.Lock()
|
||||
isSet := (ci.err != nil)
|
||||
ci.Unlock()
|
||||
return isSet
|
||||
}
|
||||
|
||||
// setError() sets ci.err if one has not been set already. Caller must not be
|
||||
// holding ci.Mutex.
|
||||
func (ci *copyin) setError(err error) {
|
||||
ci.Lock()
|
||||
if ci.err == nil {
|
||||
ci.err = err
|
||||
}
|
||||
ci.Unlock()
|
||||
}
|
||||
|
||||
func (ci *copyin) NumInput() int {
|
||||
return -1
|
||||
}
|
||||
|
||||
func (ci *copyin) Query(v []driver.Value) (r driver.Rows, err error) {
|
||||
return nil, ErrNotSupported
|
||||
}
|
||||
|
||||
// Exec inserts values into the COPY stream. The insert is asynchronous
|
||||
// and Exec can return errors from previous Exec 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) Exec(v []driver.Value) (r driver.Result, err error) {
|
||||
if ci.closed {
|
||||
return nil, errCopyInClosed
|
||||
}
|
||||
|
||||
if ci.isBad() {
|
||||
return nil, driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if ci.isErrorSet() {
|
||||
return nil, ci.err
|
||||
}
|
||||
|
||||
if len(v) == 0 {
|
||||
return nil, ci.Close()
|
||||
}
|
||||
|
||||
numValues := len(v)
|
||||
for i, value := range v {
|
||||
ci.buffer = appendEncodedText(&ci.cn.parameterStatus, ci.buffer, value)
|
||||
if i < numValues-1 {
|
||||
ci.buffer = append(ci.buffer, '\t')
|
||||
}
|
||||
}
|
||||
|
||||
ci.buffer = append(ci.buffer, '\n')
|
||||
|
||||
if len(ci.buffer) > ciBufferFlushSize {
|
||||
ci.flush(ci.buffer)
|
||||
// reset buffer, keep bytes for message identifier and length
|
||||
ci.buffer = ci.buffer[:5]
|
||||
}
|
||||
|
||||
return driver.RowsAffected(0), nil
|
||||
}
|
||||
|
||||
func (ci *copyin) Close() (err error) {
|
||||
if ci.closed { // Don't do anything, we're already closed
|
||||
return nil
|
||||
}
|
||||
ci.closed = true
|
||||
|
||||
if ci.isBad() {
|
||||
return driver.ErrBadConn
|
||||
}
|
||||
defer ci.cn.errRecover(&err)
|
||||
|
||||
if len(ci.buffer) > 0 {
|
||||
ci.flush(ci.buffer)
|
||||
}
|
||||
// Avoid touching the scratch buffer as resploop could be using it.
|
||||
err = ci.cn.sendSimpleMessage('c')
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
<-ci.done
|
||||
ci.cn.inCopy = false
|
||||
|
||||
if ci.isErrorSet() {
|
||||
err = ci.err
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
2
vendor/github.com/lib/pq/go.mod
generated
vendored
2
vendor/github.com/lib/pq/go.mod
generated
vendored
@ -1,6 +1,6 @@
|
||||
module github.com/lib/pq
|
||||
|
||||
go 1.14
|
||||
go 1.13
|
||||
|
||||
require (
|
||||
github.com/alexbrainman/sspi v0.0.0-20180613141037-e580b900e9f5 // indirect
|
||||
|
||||
Loading…
Reference in New Issue
Block a user