mirror of
https://gitee.com/gitea/gitea
synced 2025-11-04 08:30:25 +08:00
Update to latest mssqldriver (#7613)
* New driver does not tolerate USE - handle this by closing db and reopening db in the new dbname
This commit is contained in:
zeripath
164
vendor/github.com/denisenkom/go-mssqldb/bulkcopy.go
generated
vendored
164
vendor/github.com/denisenkom/go-mssqldb/bulkcopy.go
generated
vendored
@@ -13,6 +13,12 @@ import (
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)
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type Bulk struct {
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// ctx is used only for AddRow and Done methods.
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// This could be removed if AddRow and Done accepted
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// a ctx field as well, which is available with the
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// database/sql call.
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ctx context.Context
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cn *Conn
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metadata []columnStruct
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bulkColumns []columnStruct
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@@ -37,14 +43,20 @@ type BulkOptions struct {
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type DataValue interface{}
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func (cn *Conn) CreateBulk(table string, columns []string) (_ *Bulk) {
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b := Bulk{cn: cn, tablename: table, headerSent: false, columnsName: columns}
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b := Bulk{ctx: context.Background(), cn: cn, tablename: table, headerSent: false, columnsName: columns}
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b.Debug = false
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return &b
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}
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func (b *Bulk) sendBulkCommand() (err error) {
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func (cn *Conn) CreateBulkContext(ctx context.Context, table string, columns []string) (_ *Bulk) {
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b := Bulk{ctx: ctx, cn: cn, tablename: table, headerSent: false, columnsName: columns}
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b.Debug = false
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return &b
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}
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func (b *Bulk) sendBulkCommand(ctx context.Context) (err error) {
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//get table columns info
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err = b.getMetadata()
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err = b.getMetadata(ctx)
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if err != nil {
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return err
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}
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@@ -114,13 +126,13 @@ func (b *Bulk) sendBulkCommand() (err error) {
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query := fmt.Sprintf("INSERT BULK %s (%s) %s", b.tablename, col_defs.String(), with_part)
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stmt, err := b.cn.Prepare(query)
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stmt, err := b.cn.PrepareContext(ctx, query)
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if err != nil {
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return fmt.Errorf("Prepare failed: %s", err.Error())
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}
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b.dlogf(query)
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_, err = stmt.Exec(nil)
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_, err = stmt.(*Stmt).ExecContext(ctx, nil)
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if err != nil {
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return err
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}
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@@ -128,9 +140,9 @@ func (b *Bulk) sendBulkCommand() (err error) {
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b.headerSent = true
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var buf = b.cn.sess.buf
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buf.BeginPacket(packBulkLoadBCP)
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buf.BeginPacket(packBulkLoadBCP, false)
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// send the columns metadata
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// Send the columns metadata.
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columnMetadata := b.createColMetadata()
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_, err = buf.Write(columnMetadata)
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@@ -141,7 +153,7 @@ func (b *Bulk) sendBulkCommand() (err error) {
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// The arguments are the row values in the order they were specified.
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func (b *Bulk) AddRow(row []interface{}) (err error) {
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if !b.headerSent {
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err = b.sendBulkCommand()
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err = b.sendBulkCommand(b.ctx)
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if err != nil {
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return
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}
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@@ -216,7 +228,7 @@ func (b *Bulk) Done() (rowcount int64, err error) {
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buf.FinishPacket()
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tokchan := make(chan tokenStruct, 5)
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go processResponse(context.Background(), b.cn.sess, tokchan, nil)
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go processResponse(b.ctx, b.cn.sess, tokchan, nil)
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var rowCount int64
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for token := range tokchan {
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@@ -267,28 +279,27 @@ func (b *Bulk) createColMetadata() []byte {
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return buf.Bytes()
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}
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func (b *Bulk) getMetadata() (err error) {
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stmt, err := b.cn.Prepare("SET FMTONLY ON")
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func (b *Bulk) getMetadata(ctx context.Context) (err error) {
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stmt, err := b.cn.prepareContext(ctx, "SET FMTONLY ON")
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if err != nil {
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return
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}
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_, err = stmt.Exec(nil)
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_, err = stmt.ExecContext(ctx, nil)
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if err != nil {
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return
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}
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//get columns info
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stmt, err = b.cn.Prepare(fmt.Sprintf("select * from %s SET FMTONLY OFF", b.tablename))
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// Get columns info.
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stmt, err = b.cn.prepareContext(ctx, fmt.Sprintf("select * from %s SET FMTONLY OFF", b.tablename))
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if err != nil {
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return
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}
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stmt2 := stmt.(*Stmt)
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cols, err := stmt2.QueryMeta()
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rows, err := stmt.QueryContext(ctx, nil)
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if err != nil {
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return fmt.Errorf("get columns info failed: %v", err.Error())
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return fmt.Errorf("get columns info failed: %v", err)
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}
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b.metadata = cols
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b.metadata = rows.(*Rows).cols
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if b.Debug {
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for _, col := range b.metadata {
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@@ -298,33 +309,10 @@ func (b *Bulk) getMetadata() (err error) {
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}
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}
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return nil
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return rows.Close()
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}
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// QueryMeta is almost the same as mssql.Stmt.Query, but returns all the columns info.
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func (s *Stmt) QueryMeta() (cols []columnStruct, err error) {
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if err = s.sendQuery(nil); err != nil {
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return
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}
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tokchan := make(chan tokenStruct, 5)
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go processResponse(context.Background(), s.c.sess, tokchan, s.c.outs)
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s.c.clearOuts()
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loop:
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for tok := range tokchan {
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switch token := tok.(type) {
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case doneStruct:
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break loop
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case []columnStruct:
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cols = token
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break loop
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case error:
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return nil, s.c.checkBadConn(token)
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}
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}
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return cols, nil
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}
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func (b *Bulk) makeParam(val DataValue, col columnStruct) (res Param, err error) {
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func (b *Bulk) makeParam(val DataValue, col columnStruct) (res param, err error) {
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res.ti.Size = col.ti.Size
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res.ti.TypeId = col.ti.TypeId
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@@ -420,60 +408,30 @@ func (b *Bulk) makeParam(val DataValue, col columnStruct) (res Param, err error)
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if val.(bool) {
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res.buffer[0] = 1
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}
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case typeDateTime2N, typeDateTimeOffsetN:
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case typeDateTime2N:
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switch val := val.(type) {
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case time.Time:
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days, ns := dateTime2(val)
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ns /= int64(math.Pow10(int(col.ti.Scale)*-1) * 1000000000)
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var data = make([]byte, 5)
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data[0] = byte(ns)
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data[1] = byte(ns >> 8)
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data[2] = byte(ns >> 16)
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data[3] = byte(ns >> 24)
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data[4] = byte(ns >> 32)
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if col.ti.Scale <= 2 {
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res.ti.Size = 6
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} else if col.ti.Scale <= 4 {
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res.ti.Size = 7
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} else {
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res.ti.Size = 8
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}
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var buf []byte
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buf = make([]byte, res.ti.Size)
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copy(buf, data[0:res.ti.Size-3])
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buf[res.ti.Size-3] = byte(days)
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buf[res.ti.Size-2] = byte(days >> 8)
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buf[res.ti.Size-1] = byte(days >> 16)
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if col.ti.TypeId == typeDateTimeOffsetN {
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_, offset := val.Zone()
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var offsetMinute = uint16(offset / 60)
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buf = append(buf, byte(offsetMinute))
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buf = append(buf, byte(offsetMinute>>8))
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res.ti.Size = res.ti.Size + 2
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}
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res.buffer = buf
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res.buffer = encodeDateTime2(val, int(col.ti.Scale))
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res.ti.Size = len(res.buffer)
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default:
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err = fmt.Errorf("mssql: invalid type for datetime2 column: %s", val)
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return
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}
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case typeDateTimeOffsetN:
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switch val := val.(type) {
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case time.Time:
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res.buffer = encodeDateTimeOffset(val, int(res.ti.Scale))
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res.ti.Size = len(res.buffer)
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default:
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err = fmt.Errorf("mssql: invalid type for datetimeoffset column: %s", val)
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return
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}
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case typeDateN:
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switch val := val.(type) {
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case time.Time:
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days, _ := dateTime2(val)
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res.ti.Size = 3
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res.buffer = make([]byte, 3)
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res.buffer[0] = byte(days)
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res.buffer[1] = byte(days >> 8)
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res.buffer[2] = byte(days >> 16)
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res.buffer = encodeDate(val)
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res.ti.Size = len(res.buffer)
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default:
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err = fmt.Errorf("mssql: invalid type for date column: %s", val)
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return
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@@ -482,31 +440,11 @@ func (b *Bulk) makeParam(val DataValue, col columnStruct) (res Param, err error)
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switch val := val.(type) {
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case time.Time:
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if col.ti.Size == 4 {
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res.ti.Size = 4
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res.buffer = make([]byte, 4)
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ref := time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC)
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dur := val.Sub(ref)
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days := dur / (24 * time.Hour)
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if days < 0 {
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err = fmt.Errorf("mssql: Date %s is out of range", val)
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return
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}
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mins := val.Hour()*60 + val.Minute()
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binary.LittleEndian.PutUint16(res.buffer[0:2], uint16(days))
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binary.LittleEndian.PutUint16(res.buffer[2:4], uint16(mins))
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res.buffer = encodeDateTim4(val)
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res.ti.Size = len(res.buffer)
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} else if col.ti.Size == 8 {
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res.ti.Size = 8
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res.buffer = make([]byte, 8)
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days := divFloor(val.Unix(), 24*60*60)
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//25567 - number of days since Jan 1 1900 UTC to Jan 1 1970
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days = days + 25567
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tm := (val.Hour()*60*60+val.Minute()*60+val.Second())*300 + int(val.Nanosecond()/10000000*3)
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binary.LittleEndian.PutUint32(res.buffer[0:4], uint32(days))
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binary.LittleEndian.PutUint32(res.buffer[4:8], uint32(tm))
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res.buffer = encodeDateTime(val)
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res.ti.Size = len(res.buffer)
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} else {
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err = fmt.Errorf("mssql: invalid size of column")
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}
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@@ -583,7 +521,7 @@ func (b *Bulk) makeParam(val DataValue, col columnStruct) (res Param, err error)
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buf[i] = ub[j]
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}
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res.buffer = buf
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case typeBigVarBin:
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case typeBigVarBin, typeBigBinary:
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switch val := val.(type) {
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case []byte:
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res.ti.Size = len(val)
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