add context for db operation

orm/db.go

@@ -762,7 +762,13 @@ func (d *dbBase) UpdateBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
 	}
 
 	d.ins.ReplaceMarks(&query)
-	res, err := q.Exec(query, values...)
+	var err error
+	var res sql.Result
+	if qs.forContext {
+		res, err = q.ExecContext(qs.ctx, query, values...)
+	} else {
+		res, err = q.Exec(query, values...)
+	}
 	if err == nil {
 		return res.RowsAffected()
 	}
@@ -851,11 +857,16 @@ func (d *dbBase) DeleteBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
 	for i := range marks {
 		marks[i] = "?"
 	}
-	sql := fmt.Sprintf("IN (%s)", strings.Join(marks, ", "))
+	sqlIn := fmt.Sprintf("IN (%s)", strings.Join(marks, ", "))
-	query = fmt.Sprintf("DELETE FROM %s%s%s WHERE %s%s%s %s", Q, mi.table, Q, Q, mi.fields.pk.column, Q, sql)
+	query = fmt.Sprintf("DELETE FROM %s%s%s WHERE %s%s%s %s", Q, mi.table, Q, Q, mi.fields.pk.column, Q, sqlIn)
 
 	d.ins.ReplaceMarks(&query)
-	res, err := q.Exec(query, args...)
+	var res sql.Result
+	if qs.forContext {
+		res, err = q.ExecContext(qs.ctx, query, args...)
+	} else {
+		res, err = q.Exec(query, args...)
+	}
 	if err == nil {
 		num, err := res.RowsAffected()
 		if err != nil {
@@ -978,11 +989,18 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 	d.ins.ReplaceMarks(&query)
 
 	var rs *sql.Rows
-	r, err := q.Query(query, args...)
+	var err error
-	if err != nil {
+	if qs.forContext {
-		return 0, err
+		rs, err = q.QueryContext(qs.ctx, query, args...)
+		if err != nil {
+			return 0, err
+		}
+	} else {
+		rs, err = q.Query(query, args...)
+		if err != nil {
+			return 0, err
+		}
 	}
-	rs = r
 
 	refs := make([]interface{}, colsNum)
 	for i := range refs {
@@ -1111,8 +1129,12 @@ func (d *dbBase) Count(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condition
 
 	d.ins.ReplaceMarks(&query)
 
-	row := q.QueryRow(query, args...)
+	var row *sql.Row
-
+	if qs.forContext {
+		row = q.QueryRowContext(qs.ctx, query, args...)
+	} else {
+		row = q.QueryRow(query, args...)
+	}
 	err = row.Scan(&cnt)
 	return
 }

orm/orm_log.go

@@ -123,6 +123,13 @@ func (d *dbQueryLog) Prepare(query string) (*sql.Stmt, error) {
 	return stmt, err
 }
 
+func (d *dbQueryLog) PrepareContext(ctx context.Context, query string) (*sql.Stmt, error) {
+	a := time.Now()
+	stmt, err := d.db.PrepareContext(ctx, query)
+	debugLogQueies(d.alias, "db.Prepare", query, a, err)
+	return stmt, err
+}
+
 func (d *dbQueryLog) Exec(query string, args ...interface{}) (sql.Result, error) {
 	a := time.Now()
 	res, err := d.db.Exec(query, args...)
@@ -130,6 +137,13 @@ func (d *dbQueryLog) Exec(query string, args ...interface{}) (sql.Result, error)
 	return res, err
 }
 
+func (d *dbQueryLog) ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error) {
+	a := time.Now()
+	res, err := d.db.ExecContext(ctx, query, args...)
+	debugLogQueies(d.alias, "db.Exec", query, a, err, args...)
+	return res, err
+}
+
 func (d *dbQueryLog) Query(query string, args ...interface{}) (*sql.Rows, error) {
 	a := time.Now()
 	res, err := d.db.Query(query, args...)
@@ -137,6 +151,13 @@ func (d *dbQueryLog) Query(query string, args ...interface{}) (*sql.Rows, error)
 	return res, err
 }
 
+func (d *dbQueryLog) QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error) {
+	a := time.Now()
+	res, err := d.db.QueryContext(ctx, query, args...)
+	debugLogQueies(d.alias, "db.Query", query, a, err, args...)
+	return res, err
+}
+
 func (d *dbQueryLog) QueryRow(query string, args ...interface{}) *sql.Row {
 	a := time.Now()
 	res := d.db.QueryRow(query, args...)
@@ -144,6 +165,13 @@ func (d *dbQueryLog) QueryRow(query string, args ...interface{}) *sql.Row {
 	return res
 }
 
+func (d *dbQueryLog) QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row {
+	a := time.Now()
+	res := d.db.QueryRowContext(ctx, query, args...)
+	debugLogQueies(d.alias, "db.QueryRow", query, a, nil, args...)
+	return res
+}
+
 func (d *dbQueryLog) Begin() (*sql.Tx, error) {
 	a := time.Now()
 	tx, err := d.db.(txer).Begin()

orm/orm_queryset.go

@@ -15,6 +15,7 @@
 package orm
 
 import (
+	"context"
 	"fmt"
 )
 
@@ -55,17 +56,19 @@ func ColValue(opt operator, value interface{}) interface{} {
 
 // real query struct
 type querySet struct {
-	mi        *modelInfo
+	mi         *modelInfo
-	cond      *Condition
+	cond       *Condition
-	related   []string
+	related    []string
-	relDepth  int
+	relDepth   int
-	limit     int64
+	limit      int64
-	offset    int64
+	offset     int64
-	groups    []string
+	groups     []string
-	orders    []string
+	orders     []string
-	distinct  bool
+	distinct   bool
-	forupdate bool
+	forupdate  bool
-	orm       *orm
+	orm        *orm
+	ctx        context.Context
+	forContext bool
 }
 
 var _ QuerySeter = new(querySet)
@@ -266,6 +269,13 @@ func (o *querySet) RowsToStruct(ptrStruct interface{}, keyCol, valueCol string)
 	panic(ErrNotImplement)
 }
 
+// set context to QuerySeter.
+func (o querySet) WithContext(ctx context.Context) QuerySeter {
+	o.ctx = ctx
+	o.forContext = true
+	return &o
+}
+
 // create new QuerySeter.
 func newQuerySet(orm *orm, mi *modelInfo) QuerySeter {
 	o := new(querySet)

orm/types.go

@@ -390,16 +390,23 @@ type RawSeter interface {
 type stmtQuerier interface {
 	Close() error
 	Exec(args ...interface{}) (sql.Result, error)
+	//ExecContext(ctx context.Context, args ...interface{}) (sql.Result, error)
 	Query(args ...interface{}) (*sql.Rows, error)
+	//QueryContext(args ...interface{}) (*sql.Rows, error)
 	QueryRow(args ...interface{}) *sql.Row
+	//QueryRowContext(ctx context.Context, args ...interface{}) *sql.Row
 }
 
 // db querier
 type dbQuerier interface {
 	Prepare(query string) (*sql.Stmt, error)
+	PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
 	Exec(query string, args ...interface{}) (sql.Result, error)
+	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
 	Query(query string, args ...interface{}) (*sql.Rows, error)
+	QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
 	QueryRow(query string, args ...interface{}) *sql.Row
+	QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row
 }
 
 // type DB interface {