Enable extended error codes.
Christoph Martin
parent
58c62dc30c
commit
f395aa170e
129
error.go
129
error.go
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@ -4,51 +4,120 @@ import "C"
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type ErrNo int
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const ErrNoMask C.int = 0xff
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type ErrNoExtended int
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type Error struct {
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Code ErrNo /* The error code returned by SQLite */
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err string /* The error string returned by sqlite3_errmsg(),
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Code ErrNo /* The error code returned by SQLite */
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ExtendedCode ErrNoExtended /* The extended error code returned by SQLite */
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err string /* The error string returned by sqlite3_errmsg(),
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this usually contains more specific details. */
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}
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// result codes from http://www.sqlite.org/c3ref/c_abort.html
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var (
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ErrError error = ErrNo(1) /* SQL error or missing database */
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ErrInternal error = ErrNo(2) /* Internal logic error in SQLite */
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ErrPerm error = ErrNo(3) /* Access permission denied */
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ErrAbort error = ErrNo(4) /* Callback routine requested an abort */
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ErrBusy error = ErrNo(5) /* The database file is locked */
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ErrLocked error = ErrNo(6) /* A table in the database is locked */
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ErrNomem error = ErrNo(7) /* A malloc() failed */
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ErrReadonly error = ErrNo(8) /* Attempt to write a readonly database */
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ErrInterrupt error = ErrNo(9) /* Operation terminated by sqlite3_interrupt() */
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ErrIoErr error = ErrNo(10) /* Some kind of disk I/O error occurred */
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ErrCorrupt error = ErrNo(11) /* The database disk image is malformed */
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ErrNotFound error = ErrNo(12) /* Unknown opcode in sqlite3_file_control() */
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ErrFull error = ErrNo(13) /* Insertion failed because database is full */
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ErrCantOpen error = ErrNo(14) /* Unable to open the database file */
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ErrProtocol error = ErrNo(15) /* Database lock protocol error */
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ErrEmpty error = ErrNo(16) /* Database is empty */
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ErrSchema error = ErrNo(17) /* The database schema changed */
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ErrTooBig error = ErrNo(18) /* String or BLOB exceeds size limit */
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ErrConstraint error = ErrNo(19) /* Abort due to constraint violation */
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ErrMismatch error = ErrNo(20) /* Data type mismatch */
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ErrMisuse error = ErrNo(21) /* Library used incorrectly */
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ErrNoLFS error = ErrNo(22) /* Uses OS features not supported on host */
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ErrAuth error = ErrNo(23) /* Authorization denied */
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ErrFormat error = ErrNo(24) /* Auxiliary database format error */
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ErrRange error = ErrNo(25) /* 2nd parameter to sqlite3_bind out of range */
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ErrNotADB error = ErrNo(26) /* File opened that is not a database file */
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ErrNotice error = ErrNo(27) /* Notifications from sqlite3_log() */
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ErrWarning error = ErrNo(28) /* Warnings from sqlite3_log() */
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ErrError = ErrNo(1) /* SQL error or missing database */
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ErrInternal = ErrNo(2) /* Internal logic error in SQLite */
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ErrPerm = ErrNo(3) /* Access permission denied */
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ErrAbort = ErrNo(4) /* Callback routine requested an abort */
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ErrBusy = ErrNo(5) /* The database file is locked */
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ErrLocked = ErrNo(6) /* A table in the database is locked */
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ErrNomem = ErrNo(7) /* A malloc() failed */
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ErrReadonly = ErrNo(8) /* Attempt to write a readonly database */
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ErrInterrupt = ErrNo(9) /* Operation terminated by sqlite3_interrupt() */
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ErrIoErr = ErrNo(10) /* Some kind of disk I/O error occurred */
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ErrCorrupt = ErrNo(11) /* The database disk image is malformed */
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ErrNotFound = ErrNo(12) /* Unknown opcode in sqlite3_file_control() */
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ErrFull = ErrNo(13) /* Insertion failed because database is full */
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ErrCantOpen = ErrNo(14) /* Unable to open the database file */
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ErrProtocol = ErrNo(15) /* Database lock protocol error */
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ErrEmpty = ErrNo(16) /* Database is empty */
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ErrSchema = ErrNo(17) /* The database schema changed */
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ErrTooBig = ErrNo(18) /* String or BLOB exceeds size limit */
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ErrConstraint = ErrNo(19) /* Abort due to constraint violation */
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ErrMismatch = ErrNo(20) /* Data type mismatch */
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ErrMisuse = ErrNo(21) /* Library used incorrectly */
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ErrNoLFS = ErrNo(22) /* Uses OS features not supported on host */
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ErrAuth = ErrNo(23) /* Authorization denied */
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ErrFormat = ErrNo(24) /* Auxiliary database format error */
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ErrRange = ErrNo(25) /* 2nd parameter to sqlite3_bind out of range */
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ErrNotADB = ErrNo(26) /* File opened that is not a database file */
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ErrNotice = ErrNo(27) /* Notifications from sqlite3_log() */
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ErrWarning = ErrNo(28) /* Warnings from sqlite3_log() */
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)
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func (err ErrNo) Error() string {
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return Error{Code: err}.Error()
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}
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func (err ErrNo) Extend(by int) ErrNoExtended {
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return ErrNoExtended(int(err) | (by << 8))
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}
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func (err ErrNoExtended) Error() string {
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return Error{Code: ErrNo(C.int(err) & ErrNoMask), ExtendedCode: err}.Error()
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}
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func (err Error) Error() string {
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if err.err != "" {
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return err.err
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}
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return errorString(err)
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}
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// result codes from http://www.sqlite.org/c3ref/c_abort_rollback.html
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var (
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ErrIoErrRead = ErrIoErr.Extend(1)
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ErrIoErrShortRead = ErrIoErr.Extend(2)
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ErrIoErrWrite = ErrIoErr.Extend(3)
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ErrIoErrFsync = ErrIoErr.Extend(4)
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ErrIoErrDirFsync = ErrIoErr.Extend(5)
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ErrIoErrTruncate = ErrIoErr.Extend(6)
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ErrIoErrFstat = ErrIoErr.Extend(7)
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ErrIoErrUnlock = ErrIoErr.Extend(8)
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ErrIoErrRDlock = ErrIoErr.Extend(9)
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ErrIoErrDelete = ErrIoErr.Extend(10)
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ErrIoErrBlocked = ErrIoErr.Extend(11)
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ErrIoErrNoMem = ErrIoErr.Extend(12)
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ErrIoErrAccess = ErrIoErr.Extend(13)
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ErrIoErrCheckReservedLock = ErrIoErr.Extend(14)
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ErrIoErrLock = ErrIoErr.Extend(15)
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ErrIoErrClose = ErrIoErr.Extend(16)
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ErrIoErrDirClose = ErrIoErr.Extend(17)
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ErrIoErrSHMOpen = ErrIoErr.Extend(18)
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ErrIoErrSHMSize = ErrIoErr.Extend(19)
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ErrIoErrSHMLock = ErrIoErr.Extend(20)
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ErrIoErrSHMMap = ErrIoErr.Extend(21)
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ErrIoErrSeek = ErrIoErr.Extend(22)
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ErrIoErrDeleteNoent = ErrIoErr.Extend(23)
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ErrIoErrMMap = ErrIoErr.Extend(24)
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ErrIoErrGetTempPath = ErrIoErr.Extend(25)
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ErrIoErrConvPath = ErrIoErr.Extend(26)
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ErrLockedSharedCache = ErrLocked.Extend(1)
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ErrBusyRecovery = ErrBusy.Extend(1)
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ErrBusySnapshot = ErrBusy.Extend(2)
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ErrCantOpenNoTempDir = ErrCantOpen.Extend(1)
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ErrCantOpenIsDir = ErrCantOpen.Extend(2)
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ErrCantOpenFullPath = ErrCantOpen.Extend(3)
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ErrCantOpenConvPath = ErrCantOpen.Extend(4)
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ErrCorruptVTab = ErrCorrupt.Extend(1)
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ErrReadonlyRecovery = ErrReadonly.Extend(1)
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ErrReadonlyCantLock = ErrReadonly.Extend(2)
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ErrReadonlyRollback = ErrReadonly.Extend(3)
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ErrReadonlyDbMoved = ErrReadonly.Extend(4)
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ErrAbortRollback = ErrAbort.Extend(2)
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ErrConstraintCheck = ErrConstraint.Extend(1)
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ErrConstraintCommitHook = ErrConstraint.Extend(2)
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ErrConstraintForeignKey = ErrConstraint.Extend(3)
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ErrConstraintFunction = ErrConstraint.Extend(4)
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ErrConstraintNotNull = ErrConstraint.Extend(5)
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ErrConstraintPrimaryKey = ErrConstraint.Extend(6)
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ErrConstraintTrigger = ErrConstraint.Extend(7)
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ErrConstraintUnique = ErrConstraint.Extend(8)
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ErrConstraintVTab = ErrConstraint.Extend(9)
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ErrConstraintRowId = ErrConstraint.Extend(10)
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ErrNoticeRecoverWal = ErrNotice.Extend(1)
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ErrNoticeRecoverRollback = ErrNotice.Extend(2)
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ErrWarningAutoIndex = ErrWarning.Extend(1)
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)
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164
error_test.go
164
error_test.go
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@ -57,15 +57,175 @@ func TestSqlLogicErrors(t *testing.T) {
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if err != nil {
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t.Error(err)
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}
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defer db.Close()
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_, err = db.Exec("CREATE TABLE Foo (id INT PRIMARY KEY)")
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_, err = db.Exec("CREATE TABLE Foo (id INTEGER PRIMARY KEY)")
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if err != nil {
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t.Error(err)
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}
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const expectedErr = "table Foo already exists"
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_, err = db.Exec("CREATE TABLE Foo (id INT PRIMARY KEY)")
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_, err = db.Exec("CREATE TABLE Foo (id INTEGER PRIMARY KEY)")
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if err.Error() != expectedErr {
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t.Errorf("Unexpected error: %s, expected %s", err.Error(), expectedErr)
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}
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}
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func TestExtendedErrorCodes_ForeignKey(t *testing.T) {
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dirName, err := ioutil.TempDir("", "sqlite3-err")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dirName)
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dbFileName := path.Join(dirName, "test.db")
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db, err := sql.Open("sqlite3", dbFileName)
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if err != nil {
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t.Error(err)
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}
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defer db.Close()
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_, err = db.Exec("PRAGMA foreign_keys=ON;")
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if err != nil {
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t.Errorf("PRAGMA foreign_keys=ON: %v", err)
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}
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_, err = db.Exec(`CREATE TABLE Foo (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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value INTEGER NOT NULL,
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ref INTEGER NULL REFERENCES Foo (id),
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UNIQUE(value)
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);`)
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if err != nil {
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t.Error(err)
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}
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_, err = db.Exec("INSERT INTO Foo (ref, value) VALUES (100, 100);")
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if err == nil {
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t.Error("No error!")
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} else {
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sqliteErr := err.(Error)
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if sqliteErr.Code != ErrConstraint {
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t.Errorf("Wrong basic error code: %d != %d",
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sqliteErr.Code, ErrConstraint)
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}
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if sqliteErr.ExtendedCode != ErrConstraintForeignKey {
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t.Errorf("Wrong extended error code: %d != %d",
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sqliteErr.ExtendedCode, ErrConstraintForeignKey)
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}
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}
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}
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func TestExtendedErrorCodes_NotNull(t *testing.T) {
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dirName, err := ioutil.TempDir("", "sqlite3-err")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dirName)
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dbFileName := path.Join(dirName, "test.db")
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db, err := sql.Open("sqlite3", dbFileName)
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if err != nil {
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t.Error(err)
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}
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defer db.Close()
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_, err = db.Exec("PRAGMA foreign_keys=ON;")
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if err != nil {
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t.Errorf("PRAGMA foreign_keys=ON: %v", err)
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}
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_, err = db.Exec(`CREATE TABLE Foo (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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value INTEGER NOT NULL,
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ref INTEGER NULL REFERENCES Foo (id),
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UNIQUE(value)
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);`)
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if err != nil {
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t.Error(err)
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}
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res, err := db.Exec("INSERT INTO Foo (value) VALUES (100);")
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if err != nil {
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t.Fatalf("Creating first row: %v", err)
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}
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id, err := res.LastInsertId()
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if err != nil {
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t.Fatalf("Retrieving last insert id: %v", err)
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}
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_, err = db.Exec("INSERT INTO Foo (ref) VALUES (?);", id)
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if err == nil {
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t.Error("No error!")
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} else {
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sqliteErr := err.(Error)
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if sqliteErr.Code != ErrConstraint {
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t.Errorf("Wrong basic error code: %d != %d",
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sqliteErr.Code, ErrConstraint)
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}
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if sqliteErr.ExtendedCode != ErrConstraintNotNull {
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t.Errorf("Wrong extended error code: %d != %d",
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sqliteErr.ExtendedCode, ErrConstraintNotNull)
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}
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}
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}
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func TestExtendedErrorCodes_Unique(t *testing.T) {
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dirName, err := ioutil.TempDir("", "sqlite3-err")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dirName)
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dbFileName := path.Join(dirName, "test.db")
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db, err := sql.Open("sqlite3", dbFileName)
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if err != nil {
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t.Error(err)
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}
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defer db.Close()
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_, err = db.Exec("PRAGMA foreign_keys=ON;")
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if err != nil {
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t.Errorf("PRAGMA foreign_keys=ON: %v", err)
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}
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_, err = db.Exec(`CREATE TABLE Foo (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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value INTEGER NOT NULL,
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ref INTEGER NULL REFERENCES Foo (id),
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UNIQUE(value)
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);`)
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if err != nil {
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t.Error(err)
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}
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res, err := db.Exec("INSERT INTO Foo (value) VALUES (100);")
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if err != nil {
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t.Fatalf("Creating first row: %v", err)
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}
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id, err := res.LastInsertId()
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if err != nil {
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t.Fatalf("Retrieving last insert id: %v", err)
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}
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_, err = db.Exec("INSERT INTO Foo (ref, value) VALUES (?, 100);", id)
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if err == nil {
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t.Error("No error!")
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} else {
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sqliteErr := err.(Error)
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if sqliteErr.Code != ErrConstraint {
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t.Errorf("Wrong basic error code: %d != %d",
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sqliteErr.Code, ErrConstraint)
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}
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if sqliteErr.ExtendedCode != ErrConstraintUnique {
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t.Errorf("Wrong extended error code: %d != %d",
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sqliteErr.ExtendedCode, ErrConstraintUnique)
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}
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}
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}
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@ -139,8 +139,10 @@ func (c *SQLiteConn) AutoCommit() bool {
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}
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func (c *SQLiteConn) lastError() Error {
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return Error{Code: ErrNo(C.sqlite3_errcode(c.db)),
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err: C.GoString(C.sqlite3_errmsg(c.db)),
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return Error{
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Code: ErrNo(C.sqlite3_errcode(c.db)),
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ExtendedCode: ErrNoExtended(C.sqlite3_extended_errcode(c.db)),
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err: C.GoString(C.sqlite3_errmsg(c.db)),
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}
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}
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