├── .circleci └── config.yml ├── .gitignore ├── LICENSE ├── README.md ├── driver.go ├── driver_test.go ├── examples ├── hello │ └── main.go └── transactions │ └── main.go ├── go.mod ├── go.sum ├── internal ├── namedargs.go └── rwtransaction.go ├── rows.go ├── stmt.go └── tx.go /.circleci/config.yml: -------------------------------------------------------------------------------- 1 | # Golang CircleCI 2.0 configuration file 2 | # 3 | # Check https://circleci.com/docs/2.0/language-go/ for more details 4 | version: 2 5 | jobs: 6 | build: 7 | docker: 8 | # specify the version 9 | - image: circleci/golang:1.14 10 | 11 | # Specify service dependencies here if necessary 12 | # CircleCI maintains a library of pre-built images 13 | # documented at https://circleci.com/docs/2.0/circleci-images/ 14 | # - image: circleci/postgres:9.4 15 | 16 | #### TEMPLATE_NOTE: go expects specific checkout path representing url 17 | #### expecting it in the form of 18 | #### /go/src/github.com/circleci/go-tool 19 | #### /go/src/bitbucket.org/circleci/go-tool 20 | working_directory: /go/src/github.com/rakyll/go-sql-driver-spanner 21 | steps: 22 | - checkout 23 | 24 | # specify any bash command here prefixed with `run: ` 25 | - run: go test -v ./... 26 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | gorm/ -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. 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We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright [yyyy] [name of copyright owner] 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. 203 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # go-sql-driver-spanner 2 | 3 | [![CircleCI](https://circleci.com/gh/rakyll/go-sql-driver-spanner.svg?style=svg)](https://circleci.com/gh/rakyll/go-sql-driver-spanner) [![go.dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/rakyll/go-sql-driver-spanner) 4 | 5 | [Google Cloud Spanner](https://cloud.google.com/spanner) driver for 6 | Go's [database/sql](https://golang.org/pkg/database/sql/) package. 7 | 8 | 9 | THIS IS A WORK-IN-PROGRESS, DON'T USE IT IN PRODUCTION YET. 10 | 11 | ``` go 12 | import _ "github.com/rakyll/go-sql-driver-spanner" 13 | 14 | db, err := sql.Open("spanner", "projects/PROJECT/instances/INSTANCE/databases/DATABASE") 15 | if err != nil { 16 | log.Fatal(err) 17 | } 18 | 19 | // Print tweets with more than 500 likes. 20 | rows, err := db.QueryContext(ctx, "SELECT id, text FROM tweets WHERE likes > @likes", 500) 21 | if err != nil { 22 | log.Fatal(err) 23 | } 24 | defer rows.Close() 25 | 26 | var ( 27 | id int64 28 | text string 29 | ) 30 | for rows.Next() { 31 | if err := rows.Scan(&id, &text); err != nil { 32 | log.Fatal(err) 33 | } 34 | fmt.Println(id, text) 35 | } 36 | ``` 37 | 38 | ## Statements 39 | 40 | Statements support follows the official [Google Cloud Spanner Go](https://pkg.go.dev/cloud.google.com/go/spanner) client style arguments. 41 | 42 | ```go 43 | db.QueryContext(ctx, "SELECT id, text FROM tweets WHERE likes > @likes", 500) 44 | 45 | db.ExecContext(ctx, "INSERT INTO tweets (id, text, rts) VALUES (@id, @text, @rts)", id, text, 10000) 46 | 47 | db.ExecContext(ctx, "DELETE FROM tweets WHERE id = @id", 14544498215374) 48 | ``` 49 | 50 | ## Transactions 51 | 52 | - Read-only transactions do strong-reads only. 53 | - Read-write transactions always uses the strongest isolation 54 | level and ignore the user-specified level. 55 | 56 | ``` go 57 | tx, err := db.BeginTx(ctx, &sql.TxOptions{ 58 | ReadOnly: true, // Read-only transaction. 59 | }) 60 | 61 | tx, err := db.BeginTx(ctx, &sql.TxOptions{}) // Read-write transaction. 62 | ``` 63 | 64 | ## Emulator 65 | 66 | See the [Google Cloud Spanner Emulator](https://cloud.google.com/spanner/docs/emulator) support to learn how to start the emulator. 67 | Once the emulator is started and the host environmental flag is set, the driver should just work. 68 | 69 | ``` 70 | $ gcloud beta emulators spanner start 71 | $ export SPANNER_EMULATOR_HOST=localhost:9010 72 | ``` 73 | 74 | ## Troubleshooting 75 | 76 | This driver shouldn't automatically retry the transactions but it does. 77 | It causes unwanted results. Don't use this library in production yet. 78 | 79 | --- 80 | 81 | gorm cannot use the driver as it-is but @rakyll has been working on a dialect. 82 | She doesn't have bandwidth to ship a fully featured dialect right now but contact 83 | her if you would like to contribute. 84 | 85 | --- 86 | 87 | `error = `: Use a typed nil, instead of just nil. 88 | 89 | The following query returns rows with NULL likes: 90 | 91 | ``` go 92 | var nilInt64 *int64 93 | db.QueryContext(ctx, "SELECT id, text FROM tweets WHERE likes = @likes LIMIT 10", nilInt64) 94 | ``` 95 | 96 | --- 97 | 98 | When querying and executing with emails, pass them as arguments and don't hardcode 99 | them in the query: 100 | 101 | ``` go 102 | db.QueryContext(ctx, "SELECT id, name ... WHERE email = @email", "jbd@google.com") 103 | ``` 104 | 105 | The driver will relax this requirement in the future but it is a work-in-progress for now. 106 | 107 | --- 108 | 109 | [DDLs](https://cloud.google.com/spanner/docs/data-definition-language) 110 | are not supported in the transactions per Cloud Spanner restriction. 111 | Instead, run them against the database: 112 | 113 | ```go 114 | db.ExecContext(ctx, "CREATE TABLE ...") 115 | ``` 116 | 117 | ## Disclaimer 118 | 119 | This is not an officially supported Google Cloud product. 120 | -------------------------------------------------------------------------------- /driver.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package spannerdriver 16 | 17 | import ( 18 | "context" 19 | "database/sql" 20 | "database/sql/driver" 21 | "errors" 22 | "time" 23 | 24 | "cloud.google.com/go/spanner" 25 | "github.com/rakyll/go-sql-driver-spanner/internal" 26 | "google.golang.org/api/option" 27 | ) 28 | 29 | const userAgent = "go-sql-driver-spanner/0.1" 30 | 31 | var _ driver.DriverContext = &Driver{} 32 | 33 | func init() { 34 | sql.Register("spanner", &Driver{}) 35 | } 36 | 37 | // Driver represents a Google Cloud Spanner database/sql driver. 38 | type Driver struct { 39 | // Config represents the optional advanced configuration to be used 40 | // by the Google Cloud Spanner client. 41 | Config spanner.ClientConfig 42 | 43 | // Options represent the optional Google Cloud client options 44 | // to be passed to the underlying client. 45 | Options []option.ClientOption 46 | } 47 | 48 | // Open opens a connection to a Google Cloud Spanner database. 49 | // Use fully qualified string: 50 | // 51 | // Example: projects/$PROJECT/instances/$INSTANCE/databases/$DATABASE 52 | func (d *Driver) Open(name string) (driver.Conn, error) { 53 | return openDriverConn(context.Background(), d, name) 54 | } 55 | 56 | func (d *Driver) OpenConnector(name string) (driver.Connector, error) { 57 | return &connector{ 58 | driver: d, 59 | name: name, 60 | }, nil 61 | } 62 | 63 | type connector struct { 64 | driver *Driver 65 | name string 66 | } 67 | 68 | func (c *connector) Connect(ctx context.Context) (driver.Conn, error) { 69 | return openDriverConn(ctx, c.driver, c.name) 70 | } 71 | 72 | func openDriverConn(ctx context.Context, d *Driver, name string) (driver.Conn, error) { 73 | if d.Config.NumChannels == 0 { 74 | d.Config.NumChannels = 1 // TODO(jbd): Explain database/sql has a high-level management. 75 | } 76 | opts := append(d.Options, option.WithUserAgent(userAgent)) 77 | client, err := spanner.NewClientWithConfig(ctx, name, d.Config, opts...) 78 | if err != nil { 79 | return nil, err 80 | } 81 | return &conn{client: client}, nil 82 | } 83 | 84 | func (c *connector) Driver() driver.Driver { 85 | return &Driver{} 86 | } 87 | 88 | type conn struct { 89 | client *spanner.Client 90 | roTx *spanner.ReadOnlyTransaction 91 | rwTx *rwTx 92 | } 93 | 94 | func (c *conn) Prepare(query string) (driver.Stmt, error) { 95 | panic("Using PrepareContext instead") 96 | } 97 | 98 | func (c *conn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) { 99 | // TODO(jbd): Mention emails need to be escaped. 100 | args, err := internal.NamedValueParamNames(query, -1) 101 | if err != nil { 102 | return nil, err 103 | } 104 | return &stmt{conn: c, query: query, numArgs: len(args)}, nil 105 | } 106 | 107 | func (c *conn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) { 108 | if c.roTx != nil { 109 | return nil, errors.New("cannot write in read-only transaction") 110 | } 111 | ss, err := prepareSpannerStmt(query, args) 112 | if err != nil { 113 | return nil, err 114 | } 115 | 116 | var rowsAffected int64 117 | if c.rwTx == nil { 118 | rowsAffected, err = c.execContextInNewRWTransaction(ctx, ss) 119 | } else { 120 | rowsAffected, err = c.rwTx.ExecContext(ctx, ss) 121 | } 122 | if err != nil { 123 | return nil, err 124 | } 125 | return &result{rowsAffected: rowsAffected}, nil 126 | } 127 | 128 | func (c *conn) Close() error { 129 | c.client.Close() 130 | return nil 131 | } 132 | 133 | func (c *conn) Begin() (driver.Tx, error) { 134 | panic("Using BeginTx instead") 135 | } 136 | 137 | func (c *conn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) { 138 | if c.inTransaction() { 139 | return nil, errors.New("already in a transaction") 140 | } 141 | 142 | if opts.ReadOnly { 143 | c.roTx = c.client.ReadOnlyTransaction().WithTimestampBound(spanner.StrongRead()) 144 | return &roTx{close: func() { 145 | c.roTx.Close() 146 | c.roTx = nil 147 | }}, nil 148 | } 149 | 150 | connector := internal.NewRWConnector(ctx, c.client) 151 | c.rwTx = &rwTx{ 152 | connector: connector, 153 | close: func() { 154 | c.rwTx = nil 155 | }, 156 | } 157 | 158 | // TODO(jbd): Make sure we are not leaking 159 | // a goroutine in connector if timeout happens. 160 | select { 161 | case <-connector.Ready: 162 | return c.rwTx, nil 163 | case err := <-connector.Errors: // If received before Ready, transaction failed to start. 164 | return nil, err 165 | case <-time.Tick(10 * time.Second): 166 | return nil, errors.New("cannot begin transaction, timeout after 10 seconds") 167 | } 168 | } 169 | 170 | func (c *conn) inTransaction() bool { 171 | return c.roTx != nil || c.rwTx != nil 172 | } 173 | 174 | func (c *conn) execContextInNewRWTransaction(ctx context.Context, statement spanner.Statement) (int64, error) { 175 | var rowsAffected int64 176 | fn := func(ctx context.Context, tx *spanner.ReadWriteTransaction) error { 177 | count, err := tx.Update(ctx, statement) 178 | rowsAffected = count 179 | return err 180 | } 181 | _, err := c.client.ReadWriteTransaction(ctx, fn) 182 | if err != nil { 183 | return 0, err 184 | } 185 | return rowsAffected, nil 186 | } 187 | -------------------------------------------------------------------------------- /driver_test.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package spannerdriver_test 16 | 17 | import ( 18 | "database/sql" 19 | "log" 20 | 21 | spannerdriver "github.com/rakyll/go-sql-driver-spanner" 22 | "google.golang.org/api/option" 23 | ) 24 | 25 | func ExampleDriver() { 26 | driver := &spannerdriver.Driver{ 27 | Options: []option.ClientOption{ 28 | option.WithCredentialsFile("/path/to/service-account-key.json"), 29 | }, 30 | } 31 | connector, err := driver.OpenConnector("projects/$PROJECT/instances/$INSTANCE/databases/$DATABASE") 32 | if err != nil { 33 | log.Fatal(err) 34 | } 35 | db := sql.OpenDB(connector) 36 | _ = db // Use db. 37 | } 38 | -------------------------------------------------------------------------------- /examples/hello/main.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package main 16 | 17 | import ( 18 | "context" 19 | "database/sql" 20 | "fmt" 21 | "log" 22 | 23 | _ "github.com/rakyll/go-sql-driver-spanner" 24 | ) 25 | 26 | func main() { 27 | ctx := context.Background() 28 | db, err := sql.Open("spanner", "projects/PROJECT/instances/INSTANCE/databases/DATABASE") 29 | if err != nil { 30 | log.Fatal(err) 31 | } 32 | 33 | rows, err := db.QueryContext(ctx, "SELECT id, text FROM tweets WHERE likes > @likes LIMIT 10", 100) 34 | if err != nil { 35 | log.Fatal(err) 36 | } 37 | var ( 38 | id int64 39 | text string 40 | ) 41 | for rows.Next() { 42 | if err := rows.Scan(&id, &text); err != nil { 43 | log.Fatal(err) 44 | } 45 | fmt.Println(id, text) 46 | } 47 | rows.Close() 48 | } 49 | -------------------------------------------------------------------------------- /examples/transactions/main.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package main 16 | 17 | import ( 18 | "context" 19 | "database/sql" 20 | "fmt" 21 | "log" 22 | 23 | _ "github.com/rakyll/go-sql-driver-spanner" 24 | ) 25 | 26 | func main() { 27 | ctx := context.Background() 28 | db, err := sql.Open("spanner", "projects/PROJECT/instances/INSTANCE/databases/DATABASE") 29 | if err != nil { 30 | log.Fatal(err) 31 | } 32 | 33 | tx, err := db.BeginTx(ctx, &sql.TxOptions{}) // Read-write transaction. 34 | if err != nil { 35 | log.Fatal(err) 36 | } 37 | 38 | _, err = tx.ExecContext(ctx, "INSERT INTO tweets (id, text, rts) VALUES (@id, @text, @rts)", 123, "hello", 5) 39 | if err != nil { 40 | log.Fatal(err) 41 | } 42 | 43 | rows, err := tx.QueryContext(ctx, "SELECT id, text FROM tweets WHERE id = @id", 123) 44 | if err != nil { 45 | log.Fatal(err) 46 | } 47 | var ( 48 | id int64 49 | text string 50 | ) 51 | for rows.Next() { 52 | if err := rows.Scan(&id, &text); err != nil { 53 | log.Fatal(err) 54 | } 55 | fmt.Println(id, text) 56 | } 57 | rows.Close() 58 | 59 | _, err = tx.ExecContext(ctx, "DELETE FROM tweets WHERE id = @id", 123) 60 | if err != nil { 61 | log.Fatal(err) 62 | } 63 | 64 | if err := tx.Rollback(); err != nil { 65 | log.Fatal(err) 66 | } 67 | } 68 | -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/rakyll/go-sql-driver-spanner 2 | 3 | go 1.14 4 | 5 | require ( 6 | cloud.google.com/go/spanner v1.2.1 7 | github.com/jinzhu/gorm v1.9.12 8 | golang.org/x/tools v0.0.0-20200221224223-e1da425f72fd // indirect 9 | google.golang.org/api v0.17.0 10 | google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce 11 | ) 12 | -------------------------------------------------------------------------------- /go.sum: -------------------------------------------------------------------------------- 1 | cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= 2 | cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= 3 | cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= 4 | cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= 5 | cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= 6 | cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= 7 | cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= 8 | cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= 9 | cloud.google.com/go v0.52.0 h1:GGslhk/BU052LPlnI1vpp3fcbUs+hQ3E+Doti/3/vF8= 10 | cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= 11 | cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= 12 | cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= 13 | cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU= 14 | cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc= 15 | cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM= 16 | cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= 17 | cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= 18 | cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= 19 | cloud.google.com/go/pubsub v1.2.0 h1:Lpy6hKgdcl7a3WGSfJIFmxmcdjSpP6OmBEfcOv1Y680= 20 | cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA= 21 | cloud.google.com/go/spanner v1.2.1 h1:cXy2h5AVCvYTZvXGAodZTIwSqxcV3p0dpwLkGAxlakU= 22 | cloud.google.com/go/spanner v1.2.1/go.mod h1:qw1wef4Iy3ztA7dV9v0Jdos8nxIxZM4gyj3UhoLZfFQ= 23 | cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= 24 | cloud.google.com/go/storage v1.5.0 h1:RPUcBvDeYgQFMfQu1eBMq6piD1SXmLH+vK3qjewZPus= 25 | cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos= 26 | dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= 27 | github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= 28 | github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= 29 | github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= 30 | github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= 31 | github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= 32 | github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= 33 | github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= 34 | github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= 35 | github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= 36 | github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU= 37 | github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= 38 | github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= 39 | github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0= 40 | github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= 41 | github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= 42 | github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= 43 | github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0= 44 | github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58= 45 | github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= 46 | github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= 47 | github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= 48 | github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY= 49 | github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= 50 | github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= 51 | github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= 52 | github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y= 53 | github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= 54 | github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= 55 | github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= 56 | github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I= 57 | github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw= 58 | github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ= 59 | github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ= 60 | github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= 61 | github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= 62 | github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= 63 | github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4= 64 | github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= 65 | github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no= 66 | github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs= 67 | github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= 68 | github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= 69 | github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= 70 | github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= 71 | github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg= 72 | github.com/googleapis/gax-go/v2 v2.0.5 h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+Tv3SM= 73 | github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk= 74 | github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= 75 | github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= 76 | github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc= 77 | github.com/jinzhu/gorm v1.9.12 h1:Drgk1clyWT9t9ERbzHza6Mj/8FY/CqMyVzOiHviMo6Q= 78 | github.com/jinzhu/gorm v1.9.12/go.mod h1:vhTjlKSJUTWNtcbQtrMBFCxy7eXTzeCAzfL5fBZT/Qs= 79 | github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E= 80 | github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc= 81 | github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8= 82 | github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= 83 | github.com/jstemmer/go-junit-report v0.9.1 h1:6QPYqodiu3GuPL+7mfx+NwDdp2eTkp9IfEUpgAwUN0o= 84 | github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= 85 | github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= 86 | github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= 87 | github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= 88 | github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= 89 | github.com/lib/pq v1.1.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= 90 | github.com/mattn/go-sqlite3 v2.0.1+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc= 91 | github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= 92 | github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= 93 | github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4= 94 | github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= 95 | github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= 96 | go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU= 97 | go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8= 98 | go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= 99 | go.opencensus.io v0.22.3 h1:8sGtKOrtQqkN1bp2AtX+misvLIlOmsEsNd+9NIcPEm8= 100 | go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= 101 | golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= 102 | golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= 103 | golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= 104 | golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= 105 | golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= 106 | golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= 107 | golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= 108 | golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= 109 | golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8= 110 | golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek= 111 | golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY= 112 | golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= 113 | golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= 114 | golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= 115 | golang.org/x/exp v0.0.0-20200207192155-f17229e696bd h1:zkO/Lhoka23X63N9OSzpSeROEUQ5ODw47tM3YWjygbs= 116 | golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM= 117 | golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= 118 | golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= 119 | golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= 120 | golang.org/x/lint 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| golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= 218 | golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= 219 | golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= 220 | golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= 221 | google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE= 222 | google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M= 223 | google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg= 224 | google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg= 225 | google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= 226 | google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= 227 | google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= 228 | google.golang.org/api v0.17.0 h1:0q95w+VuFtv4PAx4PZVQdBMmYbaCHbnfKaEiDIcVyag= 229 | google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE= 230 | google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= 231 | google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= 232 | google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= 233 | google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0= 234 | google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM= 235 | google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= 236 | google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= 237 | google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= 238 | google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= 239 | google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= 240 | google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= 241 | google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= 242 | google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= 243 | google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8= 244 | google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= 245 | google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= 246 | google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= 247 | google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= 248 | google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= 249 | google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= 250 | google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA= 251 | google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce h1:1mbrb1tUU+Zmt5C94IGKADBTJZjZXAd+BubWi7r9EiI= 252 | google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= 253 | google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= 254 | google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= 255 | google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= 256 | google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= 257 | google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= 258 | google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= 259 | google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk= 260 | google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= 261 | gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= 262 | gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= 263 | gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= 264 | gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= 265 | honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= 266 | honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= 267 | honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= 268 | honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= 269 | honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM= 270 | honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= 271 | rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= 272 | -------------------------------------------------------------------------------- /internal/namedargs.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package internal 16 | 17 | import ( 18 | "fmt" 19 | "regexp" 20 | ) 21 | 22 | var namedValueParamNameRegex = regexp.MustCompile("@(\\w+)") 23 | 24 | func NamedValueParamNames(q string, n int) ([]string, error) { 25 | var names []string 26 | matches := namedValueParamNameRegex.FindAllStringSubmatch(q, n) 27 | if m := len(matches); n != -1 && m < n { 28 | return nil, fmt.Errorf("query has %d placeholders but %d arguments are provided", m, n) 29 | } 30 | for _, m := range matches { 31 | names = append(names, m[1]) 32 | } 33 | return names, nil 34 | } 35 | -------------------------------------------------------------------------------- /internal/rwtransaction.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package internal 16 | 17 | import ( 18 | "context" 19 | "errors" 20 | 21 | "cloud.google.com/go/spanner" 22 | ) 23 | 24 | // RWConnector starts a Cloud Spanner read-write 25 | // transaction and provides blocking APIs to 26 | // query, exec, rollback and commit. 27 | type RWConnector struct { 28 | QueryIn chan *RWQueryMessage 29 | QueryOut chan *RWQueryMessage 30 | 31 | ExecIn chan *RWExecMessage 32 | ExecOut chan *RWExecMessage 33 | 34 | RollbackIn chan struct{} 35 | CommitIn chan struct{} 36 | Errors chan error // only for starting, commit and rollback 37 | 38 | Ready chan struct{} 39 | } 40 | 41 | func NewRWConnector(ctx context.Context, c *spanner.Client) *RWConnector { 42 | connector := &RWConnector{ 43 | QueryIn: make(chan *RWQueryMessage), 44 | QueryOut: make(chan *RWQueryMessage), 45 | ExecIn: make(chan *RWExecMessage), 46 | ExecOut: make(chan *RWExecMessage), 47 | RollbackIn: make(chan struct{}), 48 | CommitIn: make(chan struct{}), 49 | Errors: make(chan error), 50 | Ready: make(chan struct{}), 51 | } 52 | 53 | fn := func(ctx context.Context, tx *spanner.ReadWriteTransaction) error { 54 | connector.Ready <- struct{}{} 55 | for { 56 | select { 57 | case <-ctx.Done(): 58 | return ctx.Err() 59 | case msg := <-connector.QueryIn: 60 | msg.It = tx.Query(msg.Ctx, msg.Stmt) 61 | connector.QueryOut <- msg 62 | case msg := <-connector.ExecIn: 63 | msg.Rows, msg.Error = tx.Update(msg.Ctx, msg.Stmt) 64 | connector.ExecOut <- msg 65 | case <-connector.RollbackIn: 66 | return ErrAborted 67 | case <-connector.CommitIn: 68 | return nil 69 | } 70 | } 71 | } 72 | go func() { 73 | _, err := c.ReadWriteTransaction(ctx, fn) 74 | connector.Errors <- err 75 | }() 76 | return connector 77 | } 78 | 79 | type RWQueryMessage struct { 80 | Ctx context.Context // in 81 | Stmt spanner.Statement // in 82 | 83 | It *spanner.RowIterator // out 84 | } 85 | 86 | type RWExecMessage struct { 87 | Ctx context.Context // in 88 | Stmt spanner.Statement // in 89 | 90 | Rows int64 // out 91 | Error error // out 92 | } 93 | 94 | var ErrAborted = errors.New("aborted") 95 | -------------------------------------------------------------------------------- /rows.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package spannerdriver 16 | 17 | import ( 18 | "database/sql/driver" 19 | "encoding/base64" 20 | "io" 21 | "log" 22 | "sync" 23 | "time" 24 | 25 | "cloud.google.com/go/spanner" 26 | "google.golang.org/api/iterator" 27 | sppb "google.golang.org/genproto/googleapis/spanner/v1" 28 | ) 29 | 30 | type rows struct { 31 | it *spanner.RowIterator 32 | 33 | colsOnce sync.Once 34 | cols []string 35 | 36 | dirtyRow *spanner.Row 37 | } 38 | 39 | // Columns returns the names of the columns. The number of 40 | // columns of the result is inferred from the length of the 41 | // slice. If a particular column name isn't known, an empty 42 | // string should be returned for that entry. 43 | func (r *rows) Columns() []string { 44 | r.getColumns() 45 | return r.cols 46 | } 47 | 48 | // Close closes the rows iterator. 49 | func (r *rows) Close() error { 50 | r.it.Stop() 51 | return nil 52 | } 53 | 54 | func (r *rows) getColumns() { 55 | r.colsOnce.Do(func() { 56 | row, err := r.it.Next() 57 | if err != nil { 58 | log.Println(err) 59 | return 60 | } 61 | r.dirtyRow = row 62 | r.cols = row.ColumnNames() 63 | }) 64 | } 65 | 66 | // Next is called to populate the next row of data into 67 | // the provided slice. The provided slice will be the same 68 | // size as the Columns() are wide. 69 | // 70 | // Next should return io.EOF when there are no more rows. 71 | // 72 | // The dest should not be written to outside of Next. Care 73 | // should be taken when closing Rows not to modify 74 | // a buffer held in dest. 75 | func (r *rows) Next(dest []driver.Value) error { 76 | r.getColumns() 77 | var row *spanner.Row 78 | if r.dirtyRow != nil { 79 | row = r.dirtyRow 80 | r.dirtyRow = nil 81 | } else { 82 | var err error 83 | row, err = r.it.Next() // returns io.EOF when there is no next 84 | if err == iterator.Done { 85 | return io.EOF 86 | } 87 | if err != nil { 88 | return err 89 | } 90 | } 91 | 92 | for i := 0; i < row.Size(); i++ { 93 | var col spanner.GenericColumnValue 94 | if err := row.Column(i, &col); err != nil { 95 | return err 96 | } 97 | switch col.Type.Code { 98 | case sppb.TypeCode_INT64: 99 | var v spanner.NullInt64 100 | if err := col.Decode(&v); err != nil { 101 | return err 102 | } 103 | dest[i] = v.Int64 104 | case sppb.TypeCode_FLOAT64: 105 | var v spanner.NullFloat64 106 | if err := col.Decode(&v); err != nil { 107 | return err 108 | } 109 | dest[i] = v.Float64 110 | case sppb.TypeCode_STRING: 111 | var v spanner.NullString 112 | if err := col.Decode(&v); err != nil { 113 | return err 114 | } 115 | dest[i] = v.StringVal 116 | case sppb.TypeCode_BYTES: 117 | // The column value is a base64 encoded string. 118 | var v spanner.NullString 119 | if err := col.Decode(&v); err != nil { 120 | return err 121 | } 122 | if v.IsNull() { 123 | dest[i] = []byte(nil) 124 | } else { 125 | b, err := base64.StdEncoding.DecodeString(v.StringVal) 126 | if err != nil { 127 | return err 128 | } 129 | dest[i] = b 130 | } 131 | case sppb.TypeCode_BOOL: 132 | var v spanner.NullBool 133 | if err := col.Decode(&v); err != nil { 134 | return err 135 | } 136 | dest[i] = v.Bool 137 | case sppb.TypeCode_DATE: 138 | var v spanner.NullDate 139 | if err := col.Decode(&v); err != nil { 140 | return err 141 | } 142 | if v.IsNull() { 143 | dest[i] = v.Date // typed nil 144 | } else { 145 | dest[i] = v.Date.In(time.Local) // TODO(jbd): Add note about this. 146 | } 147 | case sppb.TypeCode_TIMESTAMP: 148 | var v spanner.NullTime 149 | if err := col.Decode(&v); err != nil { 150 | return err 151 | } 152 | dest[i] = v.Time 153 | } 154 | // TODO(jbd): Implement other types. 155 | // How to handle array and struct? 156 | } 157 | return nil 158 | } 159 | -------------------------------------------------------------------------------- /stmt.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package spannerdriver 16 | 17 | import ( 18 | "context" 19 | "database/sql/driver" 20 | "errors" 21 | 22 | "cloud.google.com/go/spanner" 23 | "github.com/rakyll/go-sql-driver-spanner/internal" 24 | ) 25 | 26 | type stmt struct { 27 | conn *conn 28 | numArgs int 29 | query string 30 | } 31 | 32 | func (s *stmt) Close() error { 33 | return nil 34 | } 35 | 36 | func (s *stmt) NumInput() int { 37 | return s.numArgs 38 | } 39 | 40 | func (s *stmt) Exec(args []driver.Value) (driver.Result, error) { 41 | panic("Using ExecContext instead") 42 | } 43 | 44 | func (s *stmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) { 45 | return s.conn.ExecContext(ctx, s.query, args) 46 | } 47 | 48 | func (s *stmt) Query(args []driver.Value) (driver.Rows, error) { 49 | panic("Using QueryContext instead") 50 | } 51 | 52 | func (s *stmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) { 53 | ss, err := prepareSpannerStmt(s.query, args) 54 | if err != nil { 55 | return nil, err 56 | } 57 | 58 | var it *spanner.RowIterator 59 | if s.conn.roTx != nil { 60 | it = s.conn.roTx.Query(ctx, ss) 61 | } else if s.conn.rwTx != nil { 62 | it = s.conn.rwTx.Query(ctx, ss) 63 | } else { 64 | it = s.conn.client.Single().Query(ctx, ss) 65 | } 66 | return &rows{it: it}, nil 67 | } 68 | 69 | func prepareSpannerStmt(q string, args []driver.NamedValue) (spanner.Statement, error) { 70 | names, err := internal.NamedValueParamNames(q, len(args)) 71 | if err != nil { 72 | return spanner.Statement{}, err 73 | } 74 | ss := spanner.NewStatement(q) 75 | for i, v := range args { 76 | name := args[i].Name 77 | if name == "" { 78 | name = names[i] 79 | } 80 | ss.Params[name] = v.Value 81 | } 82 | return ss, nil 83 | } 84 | 85 | type result struct { 86 | rowsAffected int64 87 | } 88 | 89 | func (r *result) LastInsertId() (int64, error) { 90 | return 0, errors.New("spanner doesn't autogenerate IDs") 91 | } 92 | 93 | func (r *result) RowsAffected() (int64, error) { 94 | return r.rowsAffected, nil 95 | } 96 | -------------------------------------------------------------------------------- /tx.go: -------------------------------------------------------------------------------- 1 | // Copyright 2020 Google Inc. All Rights Reserved. 2 | // 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | package spannerdriver 16 | 17 | import ( 18 | "context" 19 | 20 | "cloud.google.com/go/spanner" 21 | "github.com/rakyll/go-sql-driver-spanner/internal" 22 | ) 23 | 24 | type roTx struct { 25 | close func() 26 | } 27 | 28 | func (tx *roTx) Commit() error { 29 | tx.close() 30 | return nil 31 | } 32 | 33 | func (tx *roTx) Rollback() error { 34 | tx.close() 35 | return nil 36 | } 37 | 38 | type rwTx struct { 39 | connector *internal.RWConnector 40 | close func() 41 | } 42 | 43 | func (tx *rwTx) Query(ctx context.Context, stmt spanner.Statement) *spanner.RowIterator { 44 | tx.connector.QueryIn <- &internal.RWQueryMessage{ 45 | Ctx: ctx, 46 | Stmt: stmt, 47 | } 48 | msg := <-tx.connector.QueryOut 49 | return msg.It 50 | } 51 | 52 | func (tx *rwTx) ExecContext(ctx context.Context, stmt spanner.Statement) (int64, error) { 53 | tx.connector.ExecIn <- &internal.RWExecMessage{ 54 | Ctx: ctx, 55 | Stmt: stmt, 56 | } 57 | msg := <-tx.connector.ExecOut 58 | return msg.Rows, msg.Error 59 | } 60 | 61 | func (tx *rwTx) Commit() error { 62 | tx.connector.CommitIn <- struct{}{} 63 | err := <-tx.connector.Errors 64 | if err == nil { 65 | tx.close() 66 | } 67 | return err 68 | } 69 | 70 | func (tx *rwTx) Rollback() error { 71 | tx.connector.RollbackIn <- struct{}{} 72 | err := <-tx.connector.Errors 73 | if err == internal.ErrAborted { 74 | tx.close() 75 | return nil 76 | } 77 | return err 78 | } 79 | --------------------------------------------------------------------------------