-
Notifications
You must be signed in to change notification settings - Fork 2
/
conn.go
81 lines (67 loc) · 2.26 KB
/
conn.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
// Copyright 2020 Matt Ho
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package dapi
import (
"context"
"database/sql/driver"
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/rdsdataservice"
)
type Conn struct {
ctx context.Context
config *config
transactionID string // if in middle of tx
}
func newConn(ctx context.Context, config *config) *Conn {
return &Conn{
ctx: ctx,
config: config,
}
}
func (c *Conn) Begin() (driver.Tx, error) {
return c.BeginTx(context.Background(), driver.TxOptions{})
}
func (c *Conn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
input := rdsdataservice.BeginTransactionInput{
Database: aws.String(c.config.database),
ResourceArn: aws.String(c.config.resourceARN),
SecretArn: aws.String(c.config.secretARN),
}
output, err := c.config.api.BeginTransactionWithContext(ctx, &input)
if err != nil {
return nil, fmt.Errorf("failed to begin tx: %w", err)
}
c.transactionID = aws.StringValue(output.TransactionId)
return &Tx{
context: ctx,
config: c.config,
conn: c,
}, nil
}
func (c *Conn) Close() error {
return nil
}
func (c *Conn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
return executeStatement(ctx, c.config, query, c.transactionID, args...)
}
func (c *Conn) Prepare(query string) (driver.Stmt, error) {
return newStmt(context.Background(), c.config, query), nil
}
func (c *Conn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
return newStmt(ctx, c.config, query), nil
}
func (c *Conn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
return executeStatement(ctx, c.config, query, c.transactionID, args...)
}