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query.go
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query.go
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// Copyright (c) 2017-2020 Uber Technologies, Inc.
// Portions of the Software are attributed to Copyright (c) 2020 Temporal Technologies Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package gocql
import (
"context"
"github.com/gocql/gocql"
)
var _ Query = (*query)(nil)
type (
query struct {
*gocql.Query
session *session
}
)
func newQuery(
session *session,
gocqlQuery *gocql.Query,
) *query {
return &query{
Query: gocqlQuery,
session: session,
}
}
func (q *query) Exec() error {
err := q.Query.Exec()
return q.handleError(err)
}
func (q *query) Scan(
dest ...interface{},
) error {
err := q.Query.Scan(dest...)
return q.handleError(err)
}
func (q *query) ScanCAS(
dest ...interface{},
) (bool, error) {
applied, err := q.Query.ScanCAS(dest...)
return applied, q.handleError(err)
}
func (q *query) MapScan(
m map[string]interface{},
) error {
err := q.Query.MapScan(m)
return q.handleError(err)
}
func (q *query) MapScanCAS(
dest map[string]interface{},
) (bool, error) {
applied, err := q.Query.MapScanCAS(dest)
return applied, q.handleError(err)
}
func (q *query) Iter() Iter {
iter := q.Query.Iter()
if iter == nil {
return nil
}
return iter
}
func (q *query) PageSize(n int) Query {
q.Query.PageSize(n)
return q
}
func (q *query) PageState(state []byte) Query {
q.Query.PageState(state)
return q
}
func (q *query) Consistency(c Consistency) Query {
q.Query.Consistency(mustConvertConsistency(c))
return q
}
func (q *query) WithTimestamp(timestamp int64) Query {
q.Query.WithTimestamp(timestamp)
return q
}
func (q *query) WithContext(ctx context.Context) Query {
q2 := q.Query.WithContext(ctx)
if q2 == nil {
return nil
}
return newQuery(q.session, q2)
}
func (q *query) Bind(v ...interface{}) Query {
q.Query.Bind(v...)
return q
}
func (q *query) handleError(err error) error {
return q.session.handleError(err)
}