go.temporal.io/server@v1.23.0/common/persistence/nosql/nosqlplugin/cassandra/gocql/query.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package gocql
    26  
    27  import (
    28  	"context"
    29  
    30  	"github.com/gocql/gocql"
    31  )
    32  
    33  var _ Query = (*query)(nil)
    34  
    35  type (
    36  	query struct {
    37  		session    *session
    38  		gocqlQuery *gocql.Query
    39  	}
    40  )
    41  
    42  func newQuery(
    43  	session *session,
    44  	gocqlQuery *gocql.Query,
    45  ) *query {
    46  	return &query{
    47  		session:    session,
    48  		gocqlQuery: gocqlQuery,
    49  	}
    50  }
    51  
    52  func (q *query) Exec() (retError error) {
    53  	defer func() { q.session.handleError(retError) }()
    54  
    55  	return q.gocqlQuery.Exec()
    56  }
    57  
    58  func (q *query) Scan(
    59  	dest ...interface{},
    60  ) (retError error) {
    61  	defer func() { q.session.handleError(retError) }()
    62  
    63  	return q.gocqlQuery.Scan(dest...)
    64  }
    65  
    66  func (q *query) ScanCAS(
    67  	dest ...interface{},
    68  ) (_ bool, retError error) {
    69  	defer func() { q.session.handleError(retError) }()
    70  
    71  	return q.gocqlQuery.ScanCAS(dest...)
    72  }
    73  
    74  func (q *query) MapScan(
    75  	m map[string]interface{},
    76  ) (retError error) {
    77  	defer func() { q.session.handleError(retError) }()
    78  
    79  	return q.gocqlQuery.MapScan(m)
    80  }
    81  
    82  func (q *query) MapScanCAS(
    83  	dest map[string]interface{},
    84  ) (_ bool, retError error) {
    85  	defer func() { q.session.handleError(retError) }()
    86  
    87  	return q.gocqlQuery.MapScanCAS(dest)
    88  }
    89  
    90  func (q *query) Iter() Iter {
    91  	iter := q.gocqlQuery.Iter()
    92  	return newIter(q.session, iter)
    93  }
    94  
    95  func (q *query) PageSize(n int) Query {
    96  	q.gocqlQuery.PageSize(n)
    97  	return newQuery(q.session, q.gocqlQuery)
    98  }
    99  
   100  func (q *query) PageState(state []byte) Query {
   101  	q.gocqlQuery.PageState(state)
   102  	return newQuery(q.session, q.gocqlQuery)
   103  }
   104  
   105  func (q *query) Consistency(c Consistency) Query {
   106  	q.gocqlQuery.Consistency(mustConvertConsistency(c))
   107  	return newQuery(q.session, q.gocqlQuery)
   108  }
   109  
   110  func (q *query) WithTimestamp(timestamp int64) Query {
   111  	q.gocqlQuery.WithTimestamp(timestamp)
   112  	return newQuery(q.session, q.gocqlQuery)
   113  }
   114  
   115  func (q *query) WithContext(ctx context.Context) Query {
   116  	q2 := q.gocqlQuery.WithContext(ctx)
   117  	if q2 == nil {
   118  		return nil
   119  	}
   120  	return newQuery(q.session, q2)
   121  }
   122  
   123  func (q *query) Bind(v ...interface{}) Query {
   124  	q.gocqlQuery.Bind(v...)
   125  	return newQuery(q.session, q.gocqlQuery)
   126  }