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go dep
Migrated from plain /vendor to go dep
This commit is contained in:
Harvey Kandola
parent
0262763c95
commit
fd693f4ff4
957 changed files with 36866 additions and 177595 deletions
148
vendor/github.com/go-sql-driver/mysql/connection.go
generated
vendored
148
vendor/github.com/go-sql-driver/mysql/connection.go
generated
vendored
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@ -10,23 +10,12 @@ package mysql
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import (
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"database/sql/driver"
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"io"
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"net"
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"strconv"
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"strings"
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"time"
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)
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// a copy of context.Context for Go 1.7 and earlier
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type mysqlContext interface {
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Done() <-chan struct{}
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Err() error
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// defined in context.Context, but not used in this driver:
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// Deadline() (deadline time.Time, ok bool)
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// Value(key interface{}) interface{}
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}
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type mysqlConn struct {
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buf buffer
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netConn net.Conn
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@ -40,14 +29,7 @@ type mysqlConn struct {
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status statusFlag
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sequence uint8
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parseTime bool
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// for context support (Go 1.8+)
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watching bool
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watcher chan<- mysqlContext
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closech chan struct{}
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finished chan<- struct{}
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canceled atomicError // set non-nil if conn is canceled
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closed atomicBool // set when conn is closed, before closech is closed
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strict bool
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}
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// Handles parameters set in DSN after the connection is established
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@ -80,41 +62,22 @@ func (mc *mysqlConn) handleParams() (err error) {
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return
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}
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func (mc *mysqlConn) markBadConn(err error) error {
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if mc == nil {
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return err
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}
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if err != errBadConnNoWrite {
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return err
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}
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return driver.ErrBadConn
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}
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func (mc *mysqlConn) Begin() (driver.Tx, error) {
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return mc.begin(false)
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}
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func (mc *mysqlConn) begin(readOnly bool) (driver.Tx, error) {
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if mc.closed.IsSet() {
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if mc.netConn == nil {
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errLog.Print(ErrInvalidConn)
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return nil, driver.ErrBadConn
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}
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var q string
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if readOnly {
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q = "START TRANSACTION READ ONLY"
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} else {
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q = "START TRANSACTION"
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}
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err := mc.exec(q)
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err := mc.exec("START TRANSACTION")
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if err == nil {
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return &mysqlTx{mc}, err
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}
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return nil, mc.markBadConn(err)
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return nil, err
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}
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func (mc *mysqlConn) Close() (err error) {
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// Makes Close idempotent
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if !mc.closed.IsSet() {
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if mc.netConn != nil {
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err = mc.writeCommandPacket(comQuit)
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}
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@ -128,39 +91,26 @@ func (mc *mysqlConn) Close() (err error) {
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// is called before auth or on auth failure because MySQL will have already
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// closed the network connection.
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func (mc *mysqlConn) cleanup() {
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if !mc.closed.TrySet(true) {
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return
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}
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// Makes cleanup idempotent
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close(mc.closech)
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if mc.netConn == nil {
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return
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}
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if err := mc.netConn.Close(); err != nil {
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errLog.Print(err)
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}
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}
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func (mc *mysqlConn) error() error {
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if mc.closed.IsSet() {
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if err := mc.canceled.Value(); err != nil {
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return err
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if mc.netConn != nil {
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if err := mc.netConn.Close(); err != nil {
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errLog.Print(err)
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}
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return ErrInvalidConn
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mc.netConn = nil
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}
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return nil
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mc.cfg = nil
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mc.buf.nc = nil
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}
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func (mc *mysqlConn) Prepare(query string) (driver.Stmt, error) {
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if mc.closed.IsSet() {
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if mc.netConn == nil {
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errLog.Print(ErrInvalidConn)
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return nil, driver.ErrBadConn
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}
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// Send command
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err := mc.writeCommandPacketStr(comStmtPrepare, query)
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if err != nil {
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return nil, mc.markBadConn(err)
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return nil, err
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}
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stmt := &mysqlStmt{
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@ -194,7 +144,7 @@ func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (strin
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if buf == nil {
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// can not take the buffer. Something must be wrong with the connection
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errLog.Print(ErrBusyBuffer)
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return "", ErrInvalidConn
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return "", driver.ErrBadConn
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}
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buf = buf[:0]
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argPos := 0
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@ -307,7 +257,7 @@ func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (strin
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}
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func (mc *mysqlConn) Exec(query string, args []driver.Value) (driver.Result, error) {
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if mc.closed.IsSet() {
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if mc.netConn == nil {
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errLog.Print(ErrInvalidConn)
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return nil, driver.ErrBadConn
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}
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@ -321,6 +271,7 @@ func (mc *mysqlConn) Exec(query string, args []driver.Value) (driver.Result, err
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return nil, err
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}
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query = prepared
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args = nil
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}
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mc.affectedRows = 0
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mc.insertId = 0
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@ -332,43 +283,32 @@ func (mc *mysqlConn) Exec(query string, args []driver.Value) (driver.Result, err
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insertId: int64(mc.insertId),
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}, err
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}
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return nil, mc.markBadConn(err)
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return nil, err
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}
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// Internal function to execute commands
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func (mc *mysqlConn) exec(query string) error {
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// Send command
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if err := mc.writeCommandPacketStr(comQuery, query); err != nil {
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return mc.markBadConn(err)
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}
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// Read Result
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resLen, err := mc.readResultSetHeaderPacket()
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err := mc.writeCommandPacketStr(comQuery, query)
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if err != nil {
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return err
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}
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if resLen > 0 {
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// columns
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if err := mc.readUntilEOF(); err != nil {
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// Read Result
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resLen, err := mc.readResultSetHeaderPacket()
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if err == nil && resLen > 0 {
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if err = mc.readUntilEOF(); err != nil {
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return err
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}
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// rows
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if err := mc.readUntilEOF(); err != nil {
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return err
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}
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err = mc.readUntilEOF()
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}
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return mc.discardResults()
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return err
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}
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func (mc *mysqlConn) Query(query string, args []driver.Value) (driver.Rows, error) {
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return mc.query(query, args)
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}
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func (mc *mysqlConn) query(query string, args []driver.Value) (*textRows, error) {
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if mc.closed.IsSet() {
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if mc.netConn == nil {
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errLog.Print(ErrInvalidConn)
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return nil, driver.ErrBadConn
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}
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@ -382,6 +322,7 @@ func (mc *mysqlConn) query(query string, args []driver.Value) (*textRows, error)
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return nil, err
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}
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query = prepared
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args = nil
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}
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// Send command
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err := mc.writeCommandPacketStr(comQuery, query)
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@ -394,22 +335,15 @@ func (mc *mysqlConn) query(query string, args []driver.Value) (*textRows, error)
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rows.mc = mc
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if resLen == 0 {
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rows.rs.done = true
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switch err := rows.NextResultSet(); err {
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case nil, io.EOF:
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return rows, nil
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default:
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return nil, err
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}
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// no columns, no more data
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return emptyRows{}, nil
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}
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// Columns
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rows.rs.columns, err = mc.readColumns(resLen)
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rows.columns, err = mc.readColumns(resLen)
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return rows, err
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}
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}
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return nil, mc.markBadConn(err)
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return nil, err
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}
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// Gets the value of the given MySQL System Variable
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@ -425,7 +359,7 @@ func (mc *mysqlConn) getSystemVar(name string) ([]byte, error) {
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if err == nil {
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rows := new(textRows)
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rows.mc = mc
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rows.rs.columns = []mysqlField{{fieldType: fieldTypeVarChar}}
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rows.columns = []mysqlField{{fieldType: fieldTypeVarChar}}
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if resLen > 0 {
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// Columns
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@ -441,21 +375,3 @@ func (mc *mysqlConn) getSystemVar(name string) ([]byte, error) {
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}
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return nil, err
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}
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// finish is called when the query has canceled.
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func (mc *mysqlConn) cancel(err error) {
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mc.canceled.Set(err)
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mc.cleanup()
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}
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// finish is called when the query has succeeded.
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func (mc *mysqlConn) finish() {
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if !mc.watching || mc.finished == nil {
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return
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}
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select {
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case mc.finished <- struct{}{}:
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mc.watching = false
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case <-mc.closech:
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}
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}
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