// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"bytes"
"io"
)
// Writer defines the interface
type Writer interface {
io.Writer
Append(...interface{})
}
var _ Writer = NewWriter()
// BytesWriter implments Writer and save SQL in bytes.Buffer
type BytesWriter struct {
writer *bytes.Buffer
buffer []byte
args []interface{}
}
// NewWriter creates a new string writer
func NewWriter() *BytesWriter {
w := &BytesWriter{}
w.writer = bytes.NewBuffer(w.buffer)
return w
}
// Write writes data to Writer
func (s *BytesWriter) Write(buf []byte) (int, error) {
return s.writer.Write(buf)
}
// Append appends args to Writer
func (s *BytesWriter) Append(args ...interface{}) {
s.args = append(s.args, args...)
}
// Cond defines an interface
type Cond interface {
WriteTo(Writer) error
And(...Cond) Cond
Or(...Cond) Cond
IsValid() bool
}
type condEmpty struct{}
var _ Cond = condEmpty{}
// NewCond creates an empty condition
func NewCond() Cond {
return condEmpty{}
}
func (condEmpty) WriteTo(w Writer) error {
return nil
}
func (condEmpty) And(conds ...Cond) Cond {
return And(conds...)
}
func (condEmpty) Or(conds ...Cond) Cond {
return Or(conds...)
}
func (condEmpty) IsValid() bool {
return false
}
func condToSQL(cond Cond) (string, []interface{}, error) {
if cond == nil || !cond.IsValid() {
return "", nil, nil
}
w := NewWriter()
if err := cond.WriteTo(w); err != nil {
return "", nil, err
}
return w.writer.String(), w.args, nil
}
PANIC: session(release): write data/sessions/a/a/aaac422e6438d6db: no space left on device
PANIC
session(release): write data/sessions/a/a/aaac422e6438d6db: no space left on device
github.com/go-macaron/session@v0.0.0-20190805070824-1a3cdc6f5659/session.go:199 (0x8b2934)
gopkg.in/macaron.v1@v1.3.9/context.go:79 (0x83d0a0)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:157 (0x80ab07)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:135 (0x80a8a8)
gopkg.in/macaron.v1@v1.3.9/context.go:121 (0x83d1f8)
gopkg.in/macaron.v1@v1.3.9/context.go:112 (0x84fdb5)
gopkg.in/macaron.v1@v1.3.9/recovery.go:161 (0x84fda8)
gopkg.in/macaron.v1@v1.3.9/logger.go:40 (0x840c73)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:157 (0x80ab07)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:135 (0x80a8a8)
gopkg.in/macaron.v1@v1.3.9/context.go:121 (0x83d1f8)
gopkg.in/macaron.v1@v1.3.9/router.go:187 (0x850fc6)
gopkg.in/macaron.v1@v1.3.9/router.go:303 (0x8493e5)
gopkg.in/macaron.v1@v1.3.9/macaron.go:220 (0x841fca)
net/http/server.go:2836 (0x7a79b2)
net/http/server.go:1924 (0x7a341b)
runtime/asm_amd64.s:1373 (0x46f9f0)