├── LICENSE ├── README.md ├── _example ├── csv │ └── main.go └── mdb │ └── main.go ├── adodb.go ├── adodb_go18.go ├── go.mod ├── go.sum └── renovate.json /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright © 2015-2020 Yasuhiro Matsumoto, http://mattn.kaoriya.net 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # go-adodb 2 | 3 | Microsoft ADODB driver conforming to the built-in database/sql interface 4 | 5 | ## Installation 6 | 7 | This package can be installed with the go get command: 8 | 9 | go get github.com/mattn/go-adodb 10 | 11 | ## Documentation 12 | 13 | API documentation can be found here: http://godoc.org/github.com/mattn/go-adodb 14 | 15 | Examples can be found under the `./_example` directory 16 | 17 | ## Note 18 | 19 | If you met the issue that your apps crash, try to import blank import of `runtime/cgo` like below. 20 | 21 | ```go 22 | import ( 23 | ... 24 | _ "runtime/cgo" 25 | ) 26 | ``` 27 | 28 | ## License 29 | 30 | MIT: http://mattn.mit-license.org/2015 31 | 32 | ## Author 33 | 34 | Yasuhiro Matsumoto (a.k.a mattn) 35 | -------------------------------------------------------------------------------- /_example/csv/main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "database/sql" 5 | "fmt" 6 | "os" 7 | 8 | _ "github.com/mattn/go-adodb" 9 | ) 10 | 11 | func main() { 12 | os.Remove("example.csv") 13 | 14 | db, err := sql.Open("adodb", `Provider=Microsoft.Jet.OLEDB.4.0;Data Source=.;Extended Properties="Text;HDR=NO;FMT=Delimited"`) 15 | if err != nil { 16 | fmt.Println(err) 17 | return 18 | } 19 | defer db.Close() 20 | 21 | _, err = db.Exec("create table example.csv(f1 text, f2 text, f3 text)") 22 | if err != nil { 23 | fmt.Println(err) 24 | return 25 | } 26 | 27 | tx, err := db.Begin() 28 | if err != nil { 29 | fmt.Println(err) 30 | return 31 | } 32 | stmt, err := tx.Prepare("insert into example.csv(F1, F2, F3) values(?, ?, ?)") 33 | if err != nil { 34 | fmt.Println(err) 35 | return 36 | } 37 | 38 | for i := 0; i < 100; i++ { 39 | _, err = stmt.Exec( 40 | i, 41 | fmt.Sprintf("HelloWorld%03d", i), 42 | fmt.Sprintf("こんにちわ世界%03d", i)) 43 | if err != nil { 44 | fmt.Println(err) 45 | return 46 | } 47 | } 48 | tx.Commit() 49 | 50 | rows, err := db.Query("select F1, F2, F3 from example.csv") 51 | if err != nil { 52 | fmt.Println(err) 53 | return 54 | } 55 | defer rows.Close() 56 | 57 | for rows.Next() { 58 | var f1, f2, f3 string 59 | rows.Scan(&f1, &f2, &f3) 60 | fmt.Println(f1, f2, f3) 61 | } 62 | } 63 | -------------------------------------------------------------------------------- /_example/mdb/main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "database/sql" 5 | "fmt" 6 | "os" 7 | "time" 8 | 9 | "github.com/go-ole/go-ole" 10 | "github.com/go-ole/go-ole/oleutil" 11 | _ "github.com/mattn/go-adodb" 12 | ) 13 | 14 | var provider string 15 | 16 | func createMdb(f string) error { 17 | unk, err := oleutil.CreateObject("ADOX.Catalog") 18 | if err != nil { 19 | return err 20 | } 21 | defer unk.Release() 22 | cat, err := unk.QueryInterface(ole.IID_IDispatch) 23 | if err != nil { 24 | return err 25 | } 26 | defer cat.Release() 27 | provider = "Microsoft.Jet.OLEDB.4.0" 28 | r, err := oleutil.CallMethod(cat, "Create", "Provider="+provider+";Data Source="+f+";") 29 | if err != nil { 30 | provider = "Microsoft.ACE.OLEDB.12.0" 31 | r, err = oleutil.CallMethod(cat, "Create", "Provider="+provider+";Data Source="+f+";") 32 | if err != nil { 33 | return err 34 | } 35 | } 36 | r.Clear() 37 | return nil 38 | } 39 | 40 | func main() { 41 | ole.CoInitialize(0) 42 | defer ole.CoUninitialize() 43 | 44 | f := "./example.mdb" 45 | 46 | os.Remove(f) 47 | 48 | err := createMdb(f) 49 | if err != nil { 50 | fmt.Println("create mdb", err) 51 | return 52 | } 53 | 54 | db, err := sql.Open("adodb", "Provider="+provider+";Data Source="+f+";") 55 | if err != nil { 56 | fmt.Println("open", err) 57 | return 58 | } 59 | defer db.Close() 60 | 61 | _, err = db.Exec("create table foo (id int not null primary key, name text not null, created datetime not null)") 62 | if err != nil { 63 | fmt.Println("create table", err) 64 | return 65 | } 66 | 67 | tx, err := db.Begin() 68 | if err != nil { 69 | fmt.Println(err) 70 | return 71 | } 72 | stmt, err := tx.Prepare("insert into foo(id, name, created) values(?, ?, ?)") 73 | if err != nil { 74 | fmt.Println("insert", err) 75 | return 76 | } 77 | defer stmt.Close() 78 | 79 | for i := 0; i < 1000; i++ { 80 | _, err = stmt.Exec(i, fmt.Sprintf("こんにちわ世界%03d", i), time.Now()) 81 | if err != nil { 82 | fmt.Println("exec", err) 83 | return 84 | } 85 | } 86 | tx.Commit() 87 | 88 | rows, err := db.Query("select id, name, created from foo") 89 | if err != nil { 90 | fmt.Println("select", err) 91 | return 92 | } 93 | defer rows.Close() 94 | 95 | for rows.Next() { 96 | var id int 97 | var name string 98 | var created time.Time 99 | err = rows.Scan(&id, &name, &created) 100 | if err != nil { 101 | fmt.Println("scan", err) 102 | return 103 | } 104 | fmt.Println(id, name, created) 105 | } 106 | } 107 | -------------------------------------------------------------------------------- /adodb.go: -------------------------------------------------------------------------------- 1 | package adodb 2 | 3 | import ( 4 | "database/sql" 5 | "database/sql/driver" 6 | "errors" 7 | "io" 8 | "math" 9 | 10 | //"math/big" 11 | "reflect" 12 | "time" 13 | "unsafe" 14 | 15 | "github.com/go-ole/go-ole" 16 | "github.com/go-ole/go-ole/oleutil" 17 | "golang.org/x/net/context" 18 | ) 19 | 20 | type releaser interface { 21 | Release() int32 22 | } 23 | 24 | func fullRelease(obj releaser) { 25 | last := int32(-1) 26 | for { 27 | ref := obj.Release() 28 | if ref == 0 || ref == last { 29 | break 30 | } 31 | last = ref 32 | } 33 | } 34 | 35 | func init() { 36 | sql.Register("adodb", &AdodbDriver{}) 37 | } 38 | 39 | type AdodbDriver struct { 40 | CursorLocation int 41 | ConnectTimeout int64 42 | } 43 | 44 | type AdodbConn struct { 45 | db *ole.IDispatch 46 | } 47 | 48 | type AdodbTx struct { 49 | c *AdodbConn 50 | } 51 | 52 | func (tx *AdodbTx) Commit() error { 53 | rv, err := oleutil.CallMethod(tx.c.db, "CommitTrans") 54 | if err != nil { 55 | return err 56 | } 57 | rv.Clear() 58 | return nil 59 | } 60 | 61 | func (tx *AdodbTx) Rollback() error { 62 | rv, err := oleutil.CallMethod(tx.c.db, "RollbackTrans") 63 | if err != nil { 64 | return err 65 | } 66 | rv.Clear() 67 | return nil 68 | } 69 | 70 | func (c *AdodbConn) exec(ctx context.Context, query string, args []namedValue) (driver.Result, error) { 71 | s, err := c.Prepare(query) 72 | if err != nil { 73 | return nil, err 74 | } 75 | result, err := s.(*AdodbStmt).exec(ctx, args) 76 | s.Close() 77 | if err != nil && err != driver.ErrSkip { 78 | return nil, err 79 | } 80 | return result, nil 81 | } 82 | 83 | /* 84 | func (c *AdodbConn) Query(query string, args []driver.Value) (driver.Rows, error) { 85 | list := make([]namedValue, len(args)) 86 | for i, v := range args { 87 | list[i] = namedValue{ 88 | Ordinal: i + 1, 89 | Value: v, 90 | } 91 | } 92 | return c.query(context.Background(), query, list) 93 | } 94 | 95 | func (c *AdodbConn) query(ctx context.Context, query string, args []namedValue) (driver.Rows, error) { 96 | s, err := c.Prepare(query) 97 | if err != nil { 98 | return nil, err 99 | } 100 | rows, err := s.(*AdodbStmt).query(ctx, args) 101 | if err != nil && err != driver.ErrSkip { 102 | s.Close() 103 | return nil, err 104 | } 105 | return rows, nil 106 | } 107 | */ 108 | 109 | func (c *AdodbConn) Begin() (driver.Tx, error) { 110 | return c.begin(context.Background()) 111 | } 112 | 113 | func (c *AdodbConn) begin(ctx context.Context) (driver.Tx, error) { 114 | rv, err := oleutil.CallMethod(c.db, "BeginTrans") 115 | if err != nil { 116 | return nil, err 117 | } 118 | rv.Clear() 119 | return &AdodbTx{c: c}, nil 120 | } 121 | 122 | func (d *AdodbDriver) Open(dsn string) (driver.Conn, error) { 123 | ole.CoInitialize(0) 124 | 125 | unknown, err := oleutil.CreateObject("ADODB.Connection") 126 | if err != nil { 127 | return nil, err 128 | } 129 | db, err := unknown.QueryInterface(ole.IID_IDispatch) 130 | unknown.Release() 131 | if err != nil { 132 | return nil, err 133 | } 134 | 135 | if d.CursorLocation != 0 { 136 | _, err = oleutil.PutProperty(db, "CursorLocation", d.CursorLocation) 137 | if err != nil { 138 | return nil, err 139 | } 140 | } 141 | if d.ConnectTimeout != 0 { 142 | _, err = oleutil.PutProperty(db, "ConnectTimeout", d.ConnectTimeout) 143 | if err != nil { 144 | return nil, err 145 | } 146 | } 147 | 148 | rc, err := oleutil.CallMethod(db, "Open", dsn) 149 | if err != nil { 150 | return nil, err 151 | } 152 | rc.Clear() 153 | return &AdodbConn{db: db}, nil 154 | } 155 | 156 | func (c *AdodbConn) Close() error { 157 | rv, err := oleutil.CallMethod(c.db, "Close") 158 | if err != nil { 159 | return err 160 | } 161 | rv.Clear() 162 | fullRelease(c.db) 163 | c.db = nil 164 | ole.CoUninitialize() 165 | return nil 166 | } 167 | 168 | type AdodbStmt struct { 169 | c *AdodbConn 170 | s *ole.IDispatch 171 | ps *ole.IDispatch 172 | pc int 173 | } 174 | 175 | func (c *AdodbConn) Prepare(query string) (driver.Stmt, error) { 176 | return c.prepare(context.Background(), query) 177 | } 178 | 179 | func (c *AdodbConn) prepare(ctx context.Context, query string) (driver.Stmt, error) { 180 | unknown, err := oleutil.CreateObject("ADODB.Command") 181 | if err != nil { 182 | return nil, err 183 | } 184 | s, err := unknown.QueryInterface(ole.IID_IDispatch) 185 | unknown.Release() 186 | if err != nil { 187 | return nil, err 188 | } 189 | rv, err := oleutil.PutProperty(s, "ActiveConnection", c.db) 190 | if err != nil { 191 | return nil, err 192 | } 193 | rv.Clear() 194 | rv, err = oleutil.PutProperty(s, "CommandText", query) 195 | if err != nil { 196 | return nil, err 197 | } 198 | rv.Clear() 199 | rv, err = oleutil.PutProperty(s, "CommandType", 1) 200 | if err != nil { 201 | return nil, err 202 | } 203 | rv.Clear() 204 | rv, err = oleutil.PutProperty(s, "Prepared", true) 205 | if err != nil { 206 | return nil, err 207 | } 208 | rv.Clear() 209 | val, err := oleutil.GetProperty(s, "Parameters") 210 | if err != nil { 211 | return nil, err 212 | } 213 | ps := val.ToIDispatch() 214 | val.Clear() 215 | 216 | pc := -1 217 | rv, err = oleutil.GetProperty(ps, "Count") 218 | if err != nil { 219 | rv, err = oleutil.CallMethod(ps, "Refresh") 220 | if err == nil { 221 | rv.Clear() 222 | } 223 | } else { 224 | pc = int(rv.Val) 225 | rv.Clear() 226 | } 227 | 228 | return &AdodbStmt{c: c, s: s, ps: ps, pc: pc}, nil 229 | } 230 | 231 | func (s *AdodbStmt) Close() error { 232 | fullRelease(s.ps) 233 | s.ps = nil 234 | fullRelease(s.s) 235 | s.s = nil 236 | s.c = nil 237 | return nil 238 | } 239 | 240 | func (s *AdodbStmt) NumInput() int { 241 | if s.pc != -1 { 242 | return s.pc 243 | } 244 | rv, err := oleutil.GetProperty(s.ps, "Count") 245 | if err != nil { 246 | return -1 247 | } 248 | s.pc = int(rv.Val) 249 | rv.Clear() 250 | return s.pc 251 | } 252 | 253 | func (s *AdodbStmt) bind(args []namedValue) error { 254 | for i, v := range args { 255 | var err error 256 | var val *ole.VARIANT 257 | if v.Name != "" { 258 | val, err = oleutil.CallMethod(s.ps, "Item", v.Name) 259 | } else { 260 | val, err = oleutil.CallMethod(s.ps, "Item", int32(i)) 261 | } 262 | if err != nil { 263 | return err 264 | } 265 | item := val.ToIDispatch() 266 | val.Clear() 267 | t, err := oleutil.GetProperty(item, "Type") 268 | if err != nil { 269 | item.Release() 270 | return err 271 | } 272 | rv, err := oleutil.PutProperty(item, "Value", v.Value) 273 | if err != nil { 274 | t.Clear() 275 | item.Release() 276 | return err 277 | } 278 | rv.Clear() 279 | t.Clear() 280 | item.Release() 281 | } 282 | return nil 283 | } 284 | 285 | type namedValue struct { 286 | Name string 287 | Ordinal int 288 | Value driver.Value 289 | } 290 | 291 | func (s *AdodbStmt) Query(args []driver.Value) (driver.Rows, error) { 292 | list := make([]namedValue, len(args)) 293 | for i, v := range args { 294 | list[i] = namedValue{ 295 | Ordinal: i + 1, 296 | Value: v, 297 | } 298 | } 299 | return s.query(context.Background(), list) 300 | } 301 | 302 | func (s *AdodbStmt) query(ctx context.Context, args []namedValue) (driver.Rows, error) { 303 | if err := s.bind(args); err != nil { 304 | return nil, err 305 | } 306 | res, err := oleutil.CallMethod(s.s, "Execute") 307 | if err != nil { 308 | return nil, err 309 | } 310 | rc := res.ToIDispatch() 311 | rc.AddRef() 312 | res.Clear() 313 | return &AdodbRows{s: s, rc: rc, nc: -1, cols: nil}, nil 314 | } 315 | 316 | func (s *AdodbStmt) Exec(args []driver.Value) (driver.Result, error) { 317 | list := make([]namedValue, len(args)) 318 | for i, v := range args { 319 | list[i] = namedValue{ 320 | Ordinal: i + 1, 321 | Value: v, 322 | } 323 | } 324 | return s.exec(context.Background(), list) 325 | } 326 | 327 | type AdodbResult struct { 328 | n int64 329 | } 330 | 331 | func (r *AdodbResult) LastInsertId() (int64, error) { 332 | return 0, errors.New("LastInsertId not supported") 333 | } 334 | 335 | func (r *AdodbResult) RowsAffected() (int64, error) { 336 | return r.n, nil 337 | } 338 | 339 | func (s *AdodbStmt) exec(ctx context.Context, args []namedValue) (driver.Result, error) { 340 | if err := s.bind(args); err != nil { 341 | return nil, err 342 | } 343 | var rowsAffected int64 344 | rc, err := oleutil.CallMethod(s.s, "Execute", &rowsAffected) 345 | if err != nil { 346 | return nil, err 347 | } 348 | rc.Clear() 349 | 350 | return &AdodbResult{n: rowsAffected}, nil 351 | } 352 | 353 | type AdodbRows struct { 354 | s *AdodbStmt 355 | rc *ole.IDispatch 356 | nc int 357 | cols []string 358 | } 359 | 360 | func (rc *AdodbRows) Close() error { 361 | rv, err := oleutil.CallMethod(rc.rc, "Close") 362 | if err != nil { 363 | return err 364 | } 365 | rv.Clear() 366 | fullRelease(rc.rc) 367 | rc.rc = nil 368 | rc.s = nil 369 | return nil 370 | } 371 | 372 | func (rc *AdodbRows) Columns() []string { 373 | if rc.nc != len(rc.cols) { 374 | unknown, err := oleutil.GetProperty(rc.rc, "Fields") 375 | if err != nil { 376 | return []string{} 377 | } 378 | fields := unknown.ToIDispatch() 379 | unknown.Clear() 380 | defer fields.Release() 381 | rv, err := oleutil.GetProperty(fields, "Count") 382 | if err != nil { 383 | return []string{} 384 | } 385 | rc.nc = int(rv.Val) 386 | rv.Clear() 387 | rc.cols = make([]string, rc.nc) 388 | for i := 0; i < rc.nc; i++ { 389 | var varval ole.VARIANT 390 | varval.VT = ole.VT_I4 391 | varval.Val = int64(i) 392 | val, err := oleutil.CallMethod(fields, "Item", &varval) 393 | if err != nil { 394 | return []string{} 395 | } 396 | item := val.ToIDispatch() 397 | val.Clear() 398 | name, err := oleutil.GetProperty(item, "Name") 399 | if err != nil { 400 | item.Release() 401 | return []string{} 402 | } 403 | rc.cols[i] = name.ToString() 404 | name.Clear() 405 | item.Release() 406 | } 407 | } 408 | return rc.cols 409 | } 410 | 411 | func (rc *AdodbRows) Next(dest []driver.Value) error { 412 | eof, err := oleutil.GetProperty(rc.rc, "EOF") 413 | if err != nil { 414 | return io.EOF 415 | } 416 | if eof.Val != 0 { 417 | eof.Clear() 418 | return io.EOF 419 | } 420 | eof.Clear() 421 | 422 | unknown, err := oleutil.GetProperty(rc.rc, "Fields") 423 | if err != nil { 424 | return err 425 | } 426 | fields := unknown.ToIDispatch() 427 | unknown.Clear() 428 | defer fields.Release() 429 | for i := range dest { 430 | var varval ole.VARIANT 431 | varval.VT = ole.VT_I4 432 | varval.Val = int64(i) 433 | rv, err := oleutil.CallMethod(fields, "Item", &varval) 434 | if err != nil { 435 | return err 436 | } 437 | field := rv.ToIDispatch() 438 | rv.Clear() 439 | val, err := oleutil.GetProperty(field, "Value") 440 | if err != nil { 441 | field.Release() 442 | return err 443 | } 444 | if val.VT == 1 { // VT_NULL 445 | dest[i] = nil 446 | val.Clear() 447 | field.Release() 448 | continue 449 | } 450 | typ, err := oleutil.GetProperty(field, "Type") 451 | if err != nil { 452 | val.Clear() 453 | field.Release() 454 | return err 455 | } 456 | sc, err := oleutil.GetProperty(field, "NumericScale") 457 | if err != nil { 458 | typ.Clear() 459 | val.Clear() 460 | field.Release() 461 | return err 462 | } 463 | switch typ.Val { 464 | case 0: // ADEMPTY 465 | dest[i] = nil 466 | case 2: // ADSMALLINT 467 | dest[i] = int64(int16(val.Val)) 468 | case 3: // ADINTEGER 469 | dest[i] = int64(int32(val.Val)) 470 | case 4: // ADSINGLE 471 | dest[i] = float64(math.Float32frombits(uint32(val.Val))) 472 | case 5: // ADDOUBLE 473 | dest[i] = math.Float64frombits(uint64(val.Val)) 474 | case 6: // ADCURRENCY 475 | dest[i] = float64(val.Val) / 10000 476 | case 7: // ADDATE 477 | // see http://blogs.msdn.com/b/ericlippert/archive/2003/09/16/eric-s-complete-guide-to-vt-date.aspx 478 | d, t := math.Modf(math.Float64frombits(uint64(val.Val))) 479 | t = math.Abs(t) 480 | dest[i] = time.Date(1899, 12, 30+int(d), 0, 0, int(t*86400+0.5), 0, time.Local) 481 | case 8: // ADBSTR 482 | dest[i] = val.ToString() 483 | case 9: // ADIDISPATCH 484 | dest[i] = val.ToIDispatch() 485 | case 10: // ADERROR 486 | // TODO 487 | case 11: // ADBOOLEAN 488 | dest[i] = val.Val != 0 489 | case 12: // ADVARIANT 490 | dest[i] = val 491 | case 13: // ADIUNKNOWN 492 | dest[i] = val.ToIUnknown() 493 | case 14: // ADDECIMAL 494 | sub := math.Pow(10, float64(sc.Val)) 495 | dest[i] = float64(float64(val.Val) / sub) 496 | case 16: // ADTINYINT 497 | dest[i] = int8(val.Val) 498 | case 17: // ADUNSIGNEDTINYINT 499 | dest[i] = uint8(val.Val) 500 | case 18: // ADUNSIGNEDSMALLINT 501 | dest[i] = uint16(val.Val) 502 | case 19: // ADUNSIGNEDINT 503 | dest[i] = uint32(val.Val) 504 | case 20: // ADBIGINT 505 | //dest[i] = big.NewInt(val.Val) 506 | dest[i] = int64(val.Val) 507 | case 21: // ADUNSIGNEDBIGINT 508 | dest[i] = uint64(val.Val) 509 | case 72: // ADGUID 510 | dest[i] = val.ToString() 511 | case 128: // ADBINARY 512 | sa := (*ole.SafeArray)(unsafe.Pointer(uintptr(val.Val))) 513 | conv := &ole.SafeArrayConversion{sa} 514 | elems, err := conv.TotalElements(0) 515 | if err != nil { 516 | return err 517 | } 518 | dest[i] = (*[1 << 30]byte)(unsafe.Pointer(uintptr(sa.Data)))[0:elems] 519 | case 129: // ADCHAR 520 | dest[i] = val.ToString() //uint8(val.Val) 521 | case 130: // ADWCHAR 522 | dest[i] = val.ToString() //uint16(val.Val) 523 | case 131: // ADNUMERIC 524 | sub := math.Pow(10, float64(sc.Val)) 525 | dest[i] = float64(float64(val.Val) / sub) 526 | case 132: // ADUSERDEFINED 527 | dest[i] = uintptr(val.Val) 528 | case 133: // ADDBDATE 529 | // see http://blogs.msdn.com/b/ericlippert/archive/2003/09/16/eric-s-complete-guide-to-vt-date.aspx 530 | d := math.Float64frombits(uint64(val.Val)) 531 | dest[i] = time.Date(1899, 12, 30+int(d), 0, 0, 0, 0, time.Local) 532 | case 134: // ADDBTIME 533 | t := math.Float64frombits(uint64(val.Val)) 534 | sec, nsec := math.Modf(t * 86400) 535 | dest[i] = time.Date(0, 1, 1, 0, 0, int(sec), int(nsec*float64(time.Second)), time.Local) 536 | case 135: // ADDBTIMESTAMP 537 | d, t := math.Modf(math.Float64frombits(uint64(val.Val))) 538 | t = math.Abs(t) 539 | sec, nsec := math.Modf(t * 86400) 540 | dest[i] = time.Date(1899, 12, 30+int(d), 0, 0, int(sec), int(nsec*float64(time.Second)), time.Local) 541 | case 136: // ADCHAPTER 542 | dest[i] = val.ToString() 543 | case 200: // ADVARCHAR 544 | dest[i] = val.ToString() 545 | case 201: // ADLONGVARCHAR 546 | dest[i] = val.ToString() 547 | case 202: // ADVARWCHAR 548 | dest[i] = val.ToString() 549 | case 203: // ADLONGVARWCHAR 550 | dest[i] = val.ToString() 551 | case 204: // ADVARBINARY 552 | // TODO 553 | case 205: // ADLONGVARBINARY 554 | sa := (*ole.SafeArray)(unsafe.Pointer(uintptr(val.Val))) 555 | conv := &ole.SafeArrayConversion{sa} 556 | elems, err := conv.TotalElements(0) 557 | if err != nil { 558 | return err 559 | } 560 | dest[i] = (*[1 << 30]byte)(unsafe.Pointer(uintptr(sa.Data)))[0:elems] 561 | } 562 | if typ.Val != 12 { 563 | val.Clear() 564 | } 565 | typ.Clear() 566 | sc.Clear() 567 | field.Release() 568 | } 569 | rv, err := oleutil.CallMethod(rc.rc, "MoveNext") 570 | if err != nil { 571 | return err 572 | } 573 | rv.Clear() 574 | return nil 575 | } 576 | 577 | // ColumnTypeDatabaseTypeName implement RowsColumnTypeDatabaseTypeName. 578 | func (rc *AdodbRows) ColumnTypeDatabaseTypeName(i int) string { 579 | if i >= rc.nc { 580 | return "" 581 | } 582 | unknown, err := oleutil.GetProperty(rc.rc, "Fields") 583 | if err != nil { 584 | return "" 585 | } 586 | fields := unknown.ToIDispatch() 587 | unknown.Clear() 588 | defer fields.Release() 589 | 590 | var varval ole.VARIANT 591 | varval.VT = ole.VT_I4 592 | varval.Val = int64(i) 593 | val, err := oleutil.CallMethod(fields, "Item", &varval) 594 | if err != nil { 595 | return "" 596 | } 597 | item := val.ToIDispatch() 598 | val.Clear() 599 | typ, err := oleutil.GetProperty(item, "Type") 600 | if err != nil { 601 | item.Release() 602 | return "" 603 | } 604 | typname := "" 605 | switch typ.Val { 606 | case 0: 607 | typname = "ADEMPTY" 608 | case 2: 609 | typname = "ADSMALLINT" 610 | case 3: 611 | typname = "ADINTEGER" 612 | case 4: 613 | typname = "ADSINGLE" 614 | case 5: 615 | typname = "ADDOUBLE" 616 | case 6: 617 | typname = "ADCURRENCY" 618 | case 7: 619 | typname = "ADDATE" 620 | case 8: 621 | typname = "ADBSTR" 622 | case 9: 623 | typname = "ADIDISPATCH" 624 | case 10: 625 | typname = "ADERROR" 626 | case 11: 627 | typname = "ADBOOLEAN" 628 | case 12: 629 | typname = "ADVARIANT" 630 | case 13: 631 | typname = "ADIUNKNOWN" 632 | case 14: 633 | typname = "ADDECIMAL" 634 | case 16: 635 | typname = "ADTINYINT" 636 | case 17: 637 | typname = "ADUNSIGNEDTINYINT" 638 | case 18: 639 | typname = "ADUNSIGNEDSMALLINT" 640 | case 19: 641 | typname = "ADUNSIGNEDINT" 642 | case 20: 643 | typname = "ADBIGINT" 644 | case 21: 645 | typname = "ADUNSIGNEDBIGINT" 646 | case 72: 647 | typname = "ADGUID" 648 | case 128: 649 | typname = "ADBINARY" 650 | case 129: 651 | typname = "ADCHAR" 652 | case 130: 653 | typname = "ADWCHAR" 654 | case 131: 655 | typname = "ADNUMERIC" 656 | case 132: 657 | typname = "ADUSERDEFINED" 658 | case 133: 659 | typname = "ADDBDATE" 660 | case 134: 661 | typname = "ADDBTIME" 662 | case 135: 663 | typname = "ADDBTIMESTAMP" 664 | case 136: 665 | typname = "ADCHAPTER" 666 | case 200: 667 | typname = "ADVARCHAR" 668 | case 201: 669 | typname = "ADLONGVARCHAR" 670 | case 202: 671 | typname = "ADVARWCHAR" 672 | case 203: 673 | typname = "ADLONGVARWCHAR" 674 | case 204: 675 | typname = "ADVARBINARY" 676 | case 205: 677 | typname = "ADLONGVARBINARY" 678 | } 679 | typ.Clear() 680 | item.Release() 681 | return typname 682 | } 683 | 684 | func (rc *AdodbRows) ColumnTypeLength(i int) (length int64, ok bool) { 685 | if i >= rc.nc { 686 | return 0, false 687 | } 688 | unknown, err := oleutil.GetProperty(rc.rc, "Fields") 689 | if err != nil { 690 | return 0, false 691 | } 692 | fields := unknown.ToIDispatch() 693 | unknown.Clear() 694 | defer fields.Release() 695 | 696 | var varval ole.VARIANT 697 | varval.VT = ole.VT_I4 698 | varval.Val = int64(i) 699 | val, err := oleutil.CallMethod(fields, "Item", &varval) 700 | if err != nil { 701 | return 0, false 702 | } 703 | item := val.ToIDispatch() 704 | val.Clear() 705 | siz, err := oleutil.GetProperty(item, "DefinedSize") 706 | if err != nil { 707 | item.Release() 708 | return 0, false 709 | } 710 | sizval := siz.Val 711 | siz.Clear() 712 | item.Release() 713 | return int64(sizval), true 714 | } 715 | 716 | // ColumnTypeNullable implement RowsColumnTypeNullable. 717 | func (rc *AdodbRows) ColumnTypeNullable(i int) (nullable, ok bool) { 718 | if i >= rc.nc { 719 | return false, false 720 | } 721 | unknown, err := oleutil.GetProperty(rc.rc, "Fields") 722 | if err != nil { 723 | return false, false 724 | } 725 | fields := unknown.ToIDispatch() 726 | unknown.Clear() 727 | defer fields.Release() 728 | 729 | var varval ole.VARIANT 730 | varval.VT = ole.VT_I4 731 | varval.Val = int64(i) 732 | val, err := oleutil.CallMethod(fields, "Item", &varval) 733 | if err != nil { 734 | return false, false 735 | } 736 | item := val.ToIDispatch() 737 | val.Clear() 738 | att, err := oleutil.GetProperty(item, "Attributes") 739 | if err != nil { 740 | item.Release() 741 | return false, false 742 | } 743 | attributes := att.Val 744 | att.Clear() 745 | item.Release() 746 | return attributes&0x20 != 0, true 747 | } 748 | 749 | // ColumnTypeScanType implement RowsColumnTypeScanType. 750 | func (rc *AdodbRows) ColumnTypeScanType(i int) reflect.Type { 751 | if i >= rc.nc { 752 | return reflect.TypeOf(nil) 753 | } 754 | unknown, err := oleutil.GetProperty(rc.rc, "Fields") 755 | if err != nil { 756 | return reflect.TypeOf(nil) 757 | } 758 | fields := unknown.ToIDispatch() 759 | unknown.Clear() 760 | defer fields.Release() 761 | 762 | var varval ole.VARIANT 763 | varval.VT = ole.VT_I4 764 | varval.Val = int64(i) 765 | val, err := oleutil.CallMethod(fields, "Item", &varval) 766 | if err != nil { 767 | return reflect.TypeOf(nil) 768 | } 769 | item := val.ToIDispatch() 770 | val.Clear() 771 | typ, err := oleutil.GetProperty(item, "Type") 772 | if err != nil { 773 | item.Release() 774 | return reflect.TypeOf(nil) 775 | } 776 | var rt reflect.Type 777 | switch typ.Val { 778 | case 0: // ADEMPTY 779 | rt = reflect.TypeOf(nil) 780 | case 2: // ADSMALLINT 781 | rt = reflect.TypeOf(int16(0)) 782 | case 3: // ADINTEGER 783 | rt = reflect.TypeOf(int32(0)) 784 | case 4: // ADSINGLE 785 | rt = reflect.TypeOf(float32(0)) 786 | case 5: // ADDOUBLE 787 | rt = reflect.TypeOf(float64(0)) 788 | case 6: // ADCURRENCY 789 | rt = reflect.TypeOf(float64(0)) 790 | case 7: // ADDATE 791 | rt = reflect.TypeOf(time.Time{}) 792 | case 8: // ADBSTR 793 | rt = reflect.TypeOf("") 794 | case 9: // ADIDISPATCH 795 | rt = reflect.TypeOf((*ole.IDispatch)(nil)) 796 | case 10: // ADERROR 797 | rt = reflect.TypeOf((error)(nil)) 798 | case 11: // ADBOOLEAN 799 | rt = reflect.TypeOf(true) 800 | case 12: // ADVARIANT 801 | var va ole.VARIANT 802 | rt = reflect.TypeOf(va) 803 | case 13: // ADIUNKNOWN 804 | rt = reflect.TypeOf((*ole.IUnknown)(nil)) 805 | case 14: // ADDECIMAL 806 | rt = reflect.TypeOf(float64(0)) 807 | case 16: // ADTINYINT 808 | rt = reflect.TypeOf(int8(0)) 809 | case 17: // ADUNSIGNEDTINYINT 810 | rt = reflect.TypeOf(uint8(0)) 811 | case 18: // ADUNSIGNEDSMALLINT 812 | rt = reflect.TypeOf(uint16(0)) 813 | case 19: // ADUNSIGNEDINT 814 | rt = reflect.TypeOf(uint32(0)) 815 | case 20: // ADBIGINT 816 | //rt = reflect.TypeOf((*big.Int)(nil)) 817 | rt = reflect.TypeOf((int64)(0)) 818 | case 21: // ADUNSIGNEDBIGINT 819 | //rt = reflect.TypeOf(nil) 820 | rt = reflect.TypeOf((uint64)(0)) 821 | case 72: // ADGUID 822 | var gi ole.GUID 823 | rt = reflect.TypeOf(gi) 824 | case 128: // ADBINARY 825 | rt = reflect.TypeOf((*ole.SafeArray)(nil)) 826 | case 129: // ADCHAR 827 | rt = reflect.TypeOf(byte(0)) 828 | case 130: // ADWCHAR 829 | rt = reflect.TypeOf(rune(0)) 830 | case 131: // ADNUMERIC 831 | rt = reflect.TypeOf(float64(0)) 832 | case 132: // ADUSERDEFINED 833 | rt = reflect.TypeOf(uintptr(0)) 834 | case 133: // ADDBDATE 835 | rt = reflect.TypeOf(time.Time{}) 836 | case 134: // ADDBTIME 837 | rt = reflect.TypeOf(time.Time{}) 838 | case 135: // ADDBTIMESTAMP 839 | rt = reflect.TypeOf(time.Time{}) 840 | case 136: // ADCHAPTER 841 | rt = reflect.TypeOf("") 842 | case 200: // ADVARCHAR 843 | rt = reflect.TypeOf("") 844 | case 201: // ADLONGVARCHAR 845 | rt = reflect.TypeOf("") 846 | case 202: // ADVARWCHAR 847 | rt = reflect.TypeOf("") 848 | case 203: // ADLONGVARWCHAR 849 | rt = reflect.TypeOf("") 850 | case 204: // ADVARBINARY 851 | rt = reflect.TypeOf([]byte{}) 852 | case 205: // ADLONGVARBINARY 853 | rt = reflect.TypeOf((*ole.SafeArray)(nil)) 854 | } 855 | typ.Clear() 856 | item.Release() 857 | return rt 858 | } 859 | 860 | func (rc *AdodbRows) ColumnTypePrecisionScale(i int) (precision, scale int64, ok bool) { 861 | if i >= rc.nc { 862 | return 0, 0, false 863 | } 864 | unknown, err := oleutil.GetProperty(rc.rc, "Fields") 865 | if err != nil { 866 | return 0, 0, false 867 | } 868 | fields := unknown.ToIDispatch() 869 | unknown.Clear() 870 | defer fields.Release() 871 | 872 | var varval ole.VARIANT 873 | varval.VT = ole.VT_I4 874 | varval.Val = int64(i) 875 | val, err := oleutil.CallMethod(fields, "Item", &varval) 876 | if err != nil { 877 | return 0, 0, false 878 | } 879 | 880 | item := val.ToIDispatch() 881 | val.Clear() 882 | 883 | typ, err := oleutil.GetProperty(item, "Type") 884 | if err != nil { 885 | item.Release() 886 | return 0, 0, false 887 | } 888 | if typ.Val != 131 { 889 | item.Release() 890 | return 0, 0, true 891 | } 892 | 893 | prec, err := oleutil.GetProperty(item, "Precision") 894 | if err != nil { 895 | item.Release() 896 | return 0, 0, false 897 | } 898 | 899 | scl, err := oleutil.GetProperty(item, "NumericScale") 900 | if err != nil { 901 | item.Release() 902 | return 0, 0, false 903 | } 904 | 905 | precval := prec.Val 906 | sclval := scl.Val 907 | prec.Clear() 908 | scl.Clear() 909 | item.Release() 910 | return int64(precval), int64(sclval), true 911 | } 912 | -------------------------------------------------------------------------------- /adodb_go18.go: -------------------------------------------------------------------------------- 1 | // +build go1.8 2 | 3 | package adodb 4 | 5 | import ( 6 | "database/sql/driver" 7 | "errors" 8 | 9 | "golang.org/x/net/context" 10 | ) 11 | 12 | // Ping implement Pinger. 13 | func (c *AdodbConn) Ping(ctx context.Context) error { 14 | if c.db == nil { 15 | return errors.New("Connection was closed") 16 | } 17 | return nil 18 | } 19 | 20 | /* 21 | func (c *AdodbConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) { 22 | list := make([]namedValue, len(args)) 23 | for i, nv := range args { 24 | list[i] = namedValue(nv) 25 | } 26 | return c.query(ctx, query, list) 27 | } 28 | 29 | func (c *AdodbConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) { 30 | list := make([]namedValue, len(args)) 31 | for i, nv := range args { 32 | list[i] = namedValue(nv) 33 | } 34 | return c.exec(ctx, query, list) 35 | } 36 | */ 37 | 38 | func (c *AdodbConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) { 39 | return c.prepare(ctx, query) 40 | } 41 | 42 | func (c *AdodbConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) { 43 | return c.begin(ctx) 44 | } 45 | 46 | func (s *AdodbStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) { 47 | list := make([]namedValue, len(args)) 48 | for i, nv := range args { 49 | list[i] = namedValue(nv) 50 | } 51 | return s.query(ctx, list) 52 | } 53 | 54 | func (s *AdodbStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) { 55 | list := make([]namedValue, len(args)) 56 | for i, nv := range args { 57 | list[i] = namedValue(nv) 58 | } 59 | return s.exec(ctx, list) 60 | } 61 | -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/mattn/go-adodb 2 | 3 | go 1.14 4 | 5 | require ( 6 | github.com/go-ole/go-ole v1.2.4 7 | golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa 8 | ) 9 | -------------------------------------------------------------------------------- /go.sum: -------------------------------------------------------------------------------- 1 | github.com/go-ole/go-ole v1.2.2 h1:QNWhweRd9D5Py2rRVboZ2L4SEoW/dyraWJCc8bgS8kE= 2 | github.com/go-ole/go-ole v1.2.2/go.mod h1:pnvuG7BrDMZ8ifMurTQmxwhQM/odqm9sSqNe5BUI7v4= 3 | github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI= 4 | github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM= 5 | golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= 6 | golang.org/x/net v0.0.0-20190225153610-fe579d43d832 h1:2IdId8zoI92l1bUzjAOygcAOkmCe13HY1j0rqPPPzB8= 7 | golang.org/x/net v0.0.0-20190225153610-fe579d43d832/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= 8 | golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553 h1:efeOvDhwQ29Dj3SdAV/MJf8oukgn+8D8WgaCaRMchF8= 9 | golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= 10 | golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa h1:F+8P+gmewFQYRk6JoLQLwjBCTu3mcIURZfNkVweuRKA= 11 | golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= 12 | golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= 13 | golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= 14 | -------------------------------------------------------------------------------- /renovate.json: -------------------------------------------------------------------------------- 1 | { 2 | "extends": [ 3 | "config:base" 4 | ] 5 | } 6 | --------------------------------------------------------------------------------