Commit f23c0e1d authored by ale's avatar ale

Update id/usermetadb

parent 5b5aa968
......@@ -4,16 +4,15 @@ go 1.14
require (
git.autistici.org/ai3/go-common v0.0.0-20210110180225-a05c683cfe23
git.autistici.org/id/usermetadb v0.0.0-20210112103616-f674f50555fc
git.autistici.org/id/usermetadb v0.0.0-20210117202739-301b3d00f818
github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b
github.com/cenkalti/backoff v2.2.1+incompatible
github.com/cenkalti/backoff/v4 v4.1.0 // indirect
github.com/coreos/go-systemd/v22 v22.1.0
github.com/go-ldap/ldap/v3 v3.2.4
github.com/go-sql-driver/mysql v1.5.0
github.com/google/go-cmp v0.5.4
github.com/lib/pq v1.9.0
github.com/mattn/go-sqlite3 v0.0.0-20200618132256-aa77c03e2fcb
github.com/mattn/go-sqlite3 v1.14.6
github.com/patrickmn/go-cache v0.0.0-20180815053127-5633e0862627
github.com/pquerna/otp v1.3.0
github.com/prometheus/client_golang v1.9.0
......
This diff is collapsed.
......@@ -4,9 +4,10 @@ go 1.14
require (
git.autistici.org/ai3/go-common v0.0.0-20210110180225-a05c683cfe23
github.com/golang-migrate/migrate/v4 v4.14.1
github.com/google/go-cmp v0.5.4
github.com/gorilla/mux v1.8.0 // indirect
github.com/mattes/migrate v0.0.0-20180508041624-4768a648fbd9
github.com/mattn/go-sqlite3 v0.0.0-20200618132256-aa77c03e2fcb
gopkg.in/yaml.v2 v2.3.0
github.com/hashicorp/errwrap v1.1.0 // indirect
github.com/mattn/go-sqlite3 v1.14.6
gopkg.in/yaml.v2 v2.4.0
)
{
"$schema": "https://docs.renovatebot.com/renovate-schema.json",
"extends": [
"config:base"
]
}
coverage:
status:
project: off
patch: off
language: go
os:
- linux
- osx
addons:
apt:
update: true
go:
- 1.9.x
- 1.10.x
- 1.11.x
- 1.12.x
- 1.13.x
- master
before_install:
- |
if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
brew update
fi
- go get github.com/mattn/goveralls
- go get golang.org/x/tools/cmd/cover
script:
- $HOME/gopath/bin/goveralls -repotoken 3qJVUE0iQwqnCbmNcDsjYu1nh4J4KIFXx -parallel
- go test -race -v . -tags ""
- go test -race -v . -tags "libsqlite3"
- go test -race -v . -tags "sqlite_allow_uri_authority sqlite_app_armor sqlite_foreign_keys sqlite_fts5 sqlite_icu sqlite_introspect sqlite_json sqlite_preupdate_hook sqlite_secure_delete sqlite_see sqlite_stat4 sqlite_trace sqlite_userauth sqlite_vacuum_incr sqlite_vtable sqlite_unlock_notify"
- go test -race -v . -tags "sqlite_vacuum_full"
notifications:
webhooks: https://coveralls.io/webhook?repo_token=3qJVUE0iQwqnCbmNcDsjYu1nh4J4KIFXx
......@@ -2,9 +2,9 @@ go-sqlite3
==========
[![GoDoc Reference](https://godoc.org/github.com/mattn/go-sqlite3?status.svg)](http://godoc.org/github.com/mattn/go-sqlite3)
[![Build Status](https://travis-ci.org/mattn/go-sqlite3.svg?branch=master)](https://travis-ci.org/mattn/go-sqlite3)
[![GitHub Actions](https://github.com/mattn/go-sqlite3/workflows/Go/badge.svg)](https://github.com/mattn/go-sqlite3/actions?query=workflow%3AGo)
[![Financial Contributors on Open Collective](https://opencollective.com/mattn-go-sqlite3/all/badge.svg?label=financial+contributors)](https://opencollective.com/mattn-go-sqlite3)
[![Coverage Status](https://coveralls.io/repos/mattn/go-sqlite3/badge.svg?branch=master)](https://coveralls.io/r/mattn/go-sqlite3?branch=master)
[![codecov](https://codecov.io/gh/mattn/go-sqlite3/branch/master/graph/badge.svg)](https://codecov.io/gh/mattn/go-sqlite3)
[![Go Report Card](https://goreportcard.com/badge/github.com/mattn/go-sqlite3)](https://goreportcard.com/report/github.com/mattn/go-sqlite3)
Latest stable version is v1.14 or later not v2.
......@@ -15,7 +15,7 @@ Latest stable version is v1.14 or later not v2.
sqlite3 driver conforming to the built-in database/sql interface
Supported Golang version: See .travis.yml
Supported Golang version: See [.github/workflows/go.yaml](./.github/workflows/go.yaml)
[This package follows the official Golang Release Policy.](https://golang.org/doc/devel/release.html#policy)
......@@ -125,6 +125,8 @@ Boolean values can be one of:
| Time Zone Location | `_loc` | auto | Specify location of time format. |
| Transaction Lock | `_txlock` | <ul><li>immediate</li><li>deferred</li><li>exclusive</li></ul> | Specify locking behavior for transactions. |
| Writable Schema | `_writable_schema` | `Boolean` | When this pragma is on, the SQLITE_MASTER tables in which database can be changed using ordinary UPDATE, INSERT, and DELETE statements. Warning: misuse of this pragma can easily result in a corrupt database file. |
| Cache Size | `_cache_size` | `int` | Maximum cache size; default is 2000K (2M). See [PRAGMA cache_size](https://sqlite.org/pragma.html#pragma_cache_size) |
## DSN Examples
......
......@@ -35,56 +35,55 @@ import (
//export callbackTrampoline
func callbackTrampoline(ctx *C.sqlite3_context, argc int, argv **C.sqlite3_value) {
args := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.sqlite3_value)(nil))]*C.sqlite3_value)(unsafe.Pointer(argv))[:argc:argc]
fi := lookupHandle(uintptr(C.sqlite3_user_data(ctx))).(*functionInfo)
fi := lookupHandle(C.sqlite3_user_data(ctx)).(*functionInfo)
fi.Call(ctx, args)
}
//export stepTrampoline
func stepTrampoline(ctx *C.sqlite3_context, argc C.int, argv **C.sqlite3_value) {
args := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.sqlite3_value)(nil))]*C.sqlite3_value)(unsafe.Pointer(argv))[:int(argc):int(argc)]
ai := lookupHandle(uintptr(C.sqlite3_user_data(ctx))).(*aggInfo)
ai := lookupHandle(C.sqlite3_user_data(ctx)).(*aggInfo)
ai.Step(ctx, args)
}
//export doneTrampoline
func doneTrampoline(ctx *C.sqlite3_context) {
handle := uintptr(C.sqlite3_user_data(ctx))
ai := lookupHandle(handle).(*aggInfo)
ai := lookupHandle(C.sqlite3_user_data(ctx)).(*aggInfo)
ai.Done(ctx)
}
//export compareTrampoline
func compareTrampoline(handlePtr uintptr, la C.int, a *C.char, lb C.int, b *C.char) C.int {
func compareTrampoline(handlePtr unsafe.Pointer, la C.int, a *C.char, lb C.int, b *C.char) C.int {
cmp := lookupHandle(handlePtr).(func(string, string) int)
return C.int(cmp(C.GoStringN(a, la), C.GoStringN(b, lb)))
}
//export commitHookTrampoline
func commitHookTrampoline(handle uintptr) int {
func commitHookTrampoline(handle unsafe.Pointer) int {
callback := lookupHandle(handle).(func() int)
return callback()
}
//export rollbackHookTrampoline
func rollbackHookTrampoline(handle uintptr) {
func rollbackHookTrampoline(handle unsafe.Pointer) {
callback := lookupHandle(handle).(func())
callback()
}
//export updateHookTrampoline
func updateHookTrampoline(handle uintptr, op int, db *C.char, table *C.char, rowid int64) {
func updateHookTrampoline(handle unsafe.Pointer, op int, db *C.char, table *C.char, rowid int64) {
callback := lookupHandle(handle).(func(int, string, string, int64))
callback(op, C.GoString(db), C.GoString(table), rowid)
}
//export authorizerTrampoline
func authorizerTrampoline(handle uintptr, op int, arg1 *C.char, arg2 *C.char, arg3 *C.char) int {
func authorizerTrampoline(handle unsafe.Pointer, op int, arg1 *C.char, arg2 *C.char, arg3 *C.char) int {
callback := lookupHandle(handle).(func(int, string, string, string) int)
return callback(op, C.GoString(arg1), C.GoString(arg2), C.GoString(arg3))
}
//export preUpdateHookTrampoline
func preUpdateHookTrampoline(handle uintptr, dbHandle uintptr, op int, db *C.char, table *C.char, oldrowid int64, newrowid int64) {
func preUpdateHookTrampoline(handle unsafe.Pointer, dbHandle uintptr, op int, db *C.char, table *C.char, oldrowid int64, newrowid int64) {
hval := lookupHandleVal(handle)
data := SQLitePreUpdateData{
Conn: hval.db,
......@@ -105,33 +104,27 @@ type handleVal struct {
}
var handleLock sync.Mutex
var handleVals = make(map[uintptr]handleVal)
var handleIndex uintptr = 100
var handleVals = make(map[unsafe.Pointer]handleVal)
func newHandle(db *SQLiteConn, v interface{}) uintptr {
func newHandle(db *SQLiteConn, v interface{}) unsafe.Pointer {
handleLock.Lock()
defer handleLock.Unlock()
i := handleIndex
handleIndex++
handleVals[i] = handleVal{db, v}
return i
val := handleVal{db: db, val: v}
var p unsafe.Pointer = C.malloc(C.size_t(1))
if p == nil {
panic("can't allocate 'cgo-pointer hack index pointer': ptr == nil")
}
handleVals[p] = val
return p
}
func lookupHandleVal(handle uintptr) handleVal {
func lookupHandleVal(handle unsafe.Pointer) handleVal {
handleLock.Lock()
defer handleLock.Unlock()
r, ok := handleVals[handle]
if !ok {
if handle >= 100 && handle < handleIndex {
panic("deleted handle")
} else {
panic("invalid handle")
}
}
return r
return handleVals[handle]
}
func lookupHandle(handle uintptr) interface{} {
func lookupHandle(handle unsafe.Pointer) interface{} {
return lookupHandleVal(handle).val
}
......@@ -141,6 +134,7 @@ func deleteHandles(db *SQLiteConn) {
for handle, val := range handleVals {
if val.db == db {
delete(handleVals, handle)
C.free(handle)
}
}
}
......
......@@ -79,9 +79,8 @@ Then, you can use this extension.
Connection Hook
You can hook and inject your code when the connection is established. database/sql
doesn't provide a way to get native go-sqlite3 interfaces. So if you want,
you need to set ConnectHook and get the SQLiteConn.
You can hook and inject your code when the connection is established by setting
ConnectHook to get the SQLiteConn.
sql.Register("sqlite3_with_hook_example",
&sqlite3.SQLiteDriver{
......@@ -91,21 +90,45 @@ you need to set ConnectHook and get the SQLiteConn.
},
})
You can also use database/sql.Conn.Raw (Go >= 1.13):
conn, err := db.Conn(context.Background())
// if err != nil { ... }
defer conn.Close()
err = conn.Raw(func (driverConn interface{}) error {
sqliteConn := driverConn.(*sqlite3.SQLiteConn)
// ... use sqliteConn
})
// if err != nil { ... }
Go SQlite3 Extensions
If you want to register Go functions as SQLite extension functions,
call RegisterFunction from ConnectHook.
If you want to register Go functions as SQLite extension functions
you can make a custom driver by calling RegisterFunction from
ConnectHook.
regex = func(re, s string) (bool, error) {
return regexp.MatchString(re, s)
}
sql.Register("sqlite3_with_go_func",
sql.Register("sqlite3_extended",
&sqlite3.SQLiteDriver{
ConnectHook: func(conn *sqlite3.SQLiteConn) error {
return conn.RegisterFunc("regexp", regex, true)
},
})
You can then use the custom driver by passing its name to sql.Open.
var i int
conn, err := sql.Open("sqlite3_extended", "./foo.db")
if err != nil {
panic(err)
}
err = db.QueryRow(`SELECT regexp("foo.*", "seafood")`).Scan(&i)
if err != nil {
panic(err)
}
See the documentation of RegisterFunc for more details.
*/
......
module github.com/mattn/go-sqlite3
go 1.10
require (
github.com/PuerkitoBio/goquery v1.5.1
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e // indirect
)
go 1.12
github.com/PuerkitoBio/goquery v1.5.1 h1:PSPBGne8NIUWw+/7vFBV+kG2J/5MOjbzc7154OaKCSE=
github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
github.com/andybalholm/cascadia v1.1.0 h1:BuuO6sSfQNFRu1LppgbD25Hr2vLYW25JvxHs5zzsLTo=
github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2 h1:CCH4IOTTfewWjGOlSp+zGcjutRKlBEZQ6wTn8ozI/nI=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
......@@ -15,10 +15,8 @@ package sqlite3
#cgo CFLAGS: -DHAVE_USLEEP=1
#cgo CFLAGS: -DSQLITE_ENABLE_FTS3
#cgo CFLAGS: -DSQLITE_ENABLE_FTS3_PARENTHESIS
#cgo CFLAGS: -DSQLITE_ENABLE_FTS4_UNICODE61
#cgo CFLAGS: -DSQLITE_TRACE_SIZE_LIMIT=15
#cgo CFLAGS: -DSQLITE_OMIT_DEPRECATED
#cgo CFLAGS: -DSQLITE_DISABLE_INTRINSIC
#cgo CFLAGS: -DSQLITE_DEFAULT_WAL_SYNCHRONOUS=1
#cgo CFLAGS: -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT
#cgo CFLAGS: -Wno-deprecated-declarations
......@@ -473,7 +471,7 @@ func (c *SQLiteConn) RegisterCollation(name string, cmp func(string, string) int
handle := newHandle(c, cmp)
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
rv := C.sqlite3_create_collation(c.db, cname, C.SQLITE_UTF8, unsafe.Pointer(handle), (*[0]byte)(unsafe.Pointer(C.compareTrampoline)))
rv := C.sqlite3_create_collation(c.db, cname, C.SQLITE_UTF8, handle, (*[0]byte)(unsafe.Pointer(C.compareTrampoline)))
if rv != C.SQLITE_OK {
return c.lastError()
}
......@@ -491,7 +489,7 @@ func (c *SQLiteConn) RegisterCommitHook(callback func() int) {
if callback == nil {
C.sqlite3_commit_hook(c.db, nil, nil)
} else {
C.sqlite3_commit_hook(c.db, (*[0]byte)(C.commitHookTrampoline), unsafe.Pointer(newHandle(c, callback)))
C.sqlite3_commit_hook(c.db, (*[0]byte)(C.commitHookTrampoline), newHandle(c, callback))
}
}
......@@ -504,7 +502,7 @@ func (c *SQLiteConn) RegisterRollbackHook(callback func()) {
if callback == nil {
C.sqlite3_rollback_hook(c.db, nil, nil)
} else {
C.sqlite3_rollback_hook(c.db, (*[0]byte)(C.rollbackHookTrampoline), unsafe.Pointer(newHandle(c, callback)))
C.sqlite3_rollback_hook(c.db, (*[0]byte)(C.rollbackHookTrampoline), newHandle(c, callback))
}
}
......@@ -521,7 +519,7 @@ func (c *SQLiteConn) RegisterUpdateHook(callback func(int, string, string, int64
if callback == nil {
C.sqlite3_update_hook(c.db, nil, nil)
} else {
C.sqlite3_update_hook(c.db, (*[0]byte)(C.updateHookTrampoline), unsafe.Pointer(newHandle(c, callback)))
C.sqlite3_update_hook(c.db, (*[0]byte)(C.updateHookTrampoline), newHandle(c, callback))
}
}
......@@ -535,7 +533,7 @@ func (c *SQLiteConn) RegisterAuthorizer(callback func(int, string, string, strin
if callback == nil {
C.sqlite3_set_authorizer(c.db, nil, nil)
} else {
C.sqlite3_set_authorizer(c.db, (*[0]byte)(C.authorizerTrampoline), unsafe.Pointer(newHandle(c, callback)))
C.sqlite3_set_authorizer(c.db, (*[0]byte)(C.authorizerTrampoline), newHandle(c, callback))
}
}
......@@ -616,8 +614,8 @@ func (c *SQLiteConn) RegisterFunc(name string, impl interface{}, pure bool) erro
return nil
}
func sqlite3CreateFunction(db *C.sqlite3, zFunctionName *C.char, nArg C.int, eTextRep C.int, pApp uintptr, xFunc unsafe.Pointer, xStep unsafe.Pointer, xFinal unsafe.Pointer) C.int {
return C._sqlite3_create_function(db, zFunctionName, nArg, eTextRep, C.uintptr_t(pApp), (*[0]byte)(xFunc), (*[0]byte)(xStep), (*[0]byte)(xFinal))
func sqlite3CreateFunction(db *C.sqlite3, zFunctionName *C.char, nArg C.int, eTextRep C.int, pApp unsafe.Pointer, xFunc unsafe.Pointer, xStep unsafe.Pointer, xFinal unsafe.Pointer) C.int {
return C._sqlite3_create_function(db, zFunctionName, nArg, eTextRep, C.uintptr_t(uintptr(pApp)), (*[0]byte)(xFunc), (*[0]byte)(xStep), (*[0]byte)(xFinal))
}
// RegisterAggregator makes a Go type available as a SQLite aggregation function.
......@@ -804,7 +802,7 @@ func (c *SQLiteConn) exec(ctx context.Context, query string, args []namedValue)
if s.(*SQLiteStmt).s != nil {
stmtArgs := make([]namedValue, 0, len(args))
na := s.NumInput()
if len(args) - start < na {
if len(args)-start < na {
s.Close()
return nil, fmt.Errorf("not enough args to execute query: want %d got %d", na, len(args))
}
......@@ -864,8 +862,8 @@ func (c *SQLiteConn) query(ctx context.Context, query string, args []namedValue)
}
s.(*SQLiteStmt).cls = true
na := s.NumInput()
if len(args) - start < na {
return nil, fmt.Errorf("not enough args to execute query: want %d got %d", na, len(args) - start)
if len(args)-start < na {
return nil, fmt.Errorf("not enough args to execute query: want %d got %d", na, len(args)-start)
}
// consume the number of arguments used in the current
// statement and append all named arguments not contained
......@@ -1041,6 +1039,8 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
secureDelete := "DEFAULT"
synchronousMode := "NORMAL"
writableSchema := -1
vfsName := ""
var cacheSize *int64
pos := strings.IndexRune(dsn, '?')
if pos >= 1 {
......@@ -1364,6 +1364,22 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
}
}
// Cache size (_cache_size)
//
// https://sqlite.org/pragma.html#pragma_cache_size
//
if val := params.Get("_cache_size"); val != "" {
iv, err := strconv.ParseInt(val, 10, 64)
if err != nil {
return nil, fmt.Errorf("Invalid _cache_size: %v: %v", val, err)
}
cacheSize = &iv
}
if val := params.Get("vfs"); val != "" {
vfsName = val
}
if !strings.HasPrefix(dsn, "file:") {
dsn = dsn[:pos]
}
......@@ -1372,9 +1388,14 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
var db *C.sqlite3
name := C.CString(dsn)
defer C.free(unsafe.Pointer(name))
var vfs *C.char
if vfsName != "" {
vfs = C.CString(vfsName)
defer C.free(unsafe.Pointer(vfs))
}
rv := C._sqlite3_open_v2(name, &db,
mutex|C.SQLITE_OPEN_READWRITE|C.SQLITE_OPEN_CREATE,
nil)
vfs)
if rv != 0 {
// Save off the error _before_ closing the database.
// This is safe even if db is nil.
......@@ -1667,6 +1688,14 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
}
}
// Cache Size
if cacheSize != nil {
if err := exec(fmt.Sprintf("PRAGMA cache_size = %d;", *cacheSize)); err != nil {
C.sqlite3_close_v2(db)
return nil, err
}
}
if len(d.Extensions) > 0 {
if err := conn.loadExtensions(d.Extensions); err != nil {
conn.Close()
......@@ -1918,6 +1947,14 @@ func (s *SQLiteStmt) Exec(args []driver.Value) (driver.Result, error) {
return s.exec(context.Background(), list)
}
func isInterruptErr(err error) bool {
sqliteErr, ok := err.(Error)
if ok {
return sqliteErr.Code == ErrInterrupt
}
return false
}
// exec executes a query that doesn't return rows. Attempts to honor context timeout.
func (s *SQLiteStmt) exec(ctx context.Context, args []namedValue) (driver.Result, error) {
if ctx.Done() == nil {
......@@ -1933,19 +1970,22 @@ func (s *SQLiteStmt) exec(ctx context.Context, args []namedValue) (driver.Result
r, err := s.execSync(args)
resultCh <- result{r, err}
}()
var rv result
select {
case rv := <-resultCh:
return rv.r, rv.err
case rv = <-resultCh:
case <-ctx.Done():
select {
case <-resultCh: // no need to interrupt
case rv = <-resultCh: // no need to interrupt, operation completed in db
default:
// this is still racy and can be no-op if executed between sqlite3_* calls in execSync.
C.sqlite3_interrupt(s.c.db)
<-resultCh // ensure goroutine completed
rv = <-resultCh // wait for goroutine completed
if isInterruptErr(rv.err) {
return nil, ctx.Err()
}
}
return nil, ctx.Err()
}
return rv.r, rv.err
}
func (s *SQLiteStmt) execSync(args []namedValue) (driver.Result, error) {
......
......@@ -14,5 +14,6 @@ package sqlite3
#cgo darwin CFLAGS: -I/usr/local/opt/sqlite/include
#cgo openbsd LDFLAGS: -lsqlite3
#cgo solaris LDFLAGS: -lsqlite3
#cgo windows LDFLAGS: -lsqlite3
*/
import "C"
......@@ -68,7 +68,7 @@ func (c *SQLiteConn) loadExtension(lib string, entry *string) error {
var centry *C.char
if entry != nil {
centry := C.CString(*entry)
centry = C.CString(*entry)
defer C.free(unsafe.Pointer(centry))
}
......
......@@ -226,11 +226,43 @@ static sqlite3_module goModule = {
0 // xRollbackTo
};
// See https://sqlite.org/vtab.html#eponymous_only_virtual_tables
static sqlite3_module goModuleEponymousOnly = {
0, // iVersion
0, // xCreate - create a table, which here is null
cXConnect, // xConnect - connect to an existing table
cXBestIndex, // xBestIndex - Determine search strategy
cXDisconnect, // xDisconnect - Disconnect from a table
cXDestroy, // xDestroy - Drop a table
cXOpen, // xOpen - open a cursor
cXClose, // xClose - close a cursor
cXFilter, // xFilter - configure scan constraints
cXNext, // xNext - advance a cursor
cXEof, // xEof
cXColumn, // xColumn - read data
cXRowid, // xRowid - read data
cXUpdate, // xUpdate - write data
// Not implemented
0, // xBegin - begin transaction
0, // xSync - sync transaction
0, // xCommit - commit transaction
0, // xRollback - rollback transaction
0, // xFindFunction - function overloading
0, // xRename - rename the table
0, // xSavepoint
0, // xRelease
0 // xRollbackTo
};
void goMDestroy(void*);
static int _sqlite3_create_module(sqlite3 *db, const char *zName, uintptr_t pClientData) {
return sqlite3_create_module_v2(db, zName, &goModule, (void*) pClientData, goMDestroy);
}
static int _sqlite3_create_module_eponymous_only(sqlite3 *db, const char *zName, uintptr_t pClientData) {
return sqlite3_create_module_v2(db, zName, &goModuleEponymousOnly, (void*) pClientData, goMDestroy);
}
*/
import "C"
......@@ -288,10 +320,13 @@ type InfoOrderBy struct {
}
func constraints(info *C.sqlite3_index_info) []InfoConstraint {
l := info.nConstraint
slice := (*[1 << 30]C.struct_sqlite3_index_constraint)(unsafe.Pointer(info.aConstraint))[:l:l]
slice := *(*[]C.struct_sqlite3_index_constraint)(unsafe.Pointer(&reflect.SliceHeader{
Data: uintptr(unsafe.Pointer(info.aConstraint)),
Len: int(info.nConstraint),
Cap: int(info.nConstraint),
}))
cst := make([]InfoConstraint, 0, l)
cst := make([]InfoConstraint, 0, len(slice))
for _, c := range slice {
var usable bool
if c.usable > 0 {
......@@ -307,10 +342,13 @@ func constraints(info *C.sqlite3_index_info) []InfoConstraint {
}
func orderBys(info *C.sqlite3_index_info) []InfoOrderBy {