mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2025-06-05 21:59:39 +02:00
[chore] bump ncruces/go-sqlite3 to v0.25.0 (#3966)
This commit is contained in:
159
vendor/github.com/ncruces/go-sqlite3/func.go
generated
vendored
159
vendor/github.com/ncruces/go-sqlite3/func.go
generated
vendored
@ -3,7 +3,9 @@ package sqlite3
|
||||
import (
|
||||
"context"
|
||||
"io"
|
||||
"iter"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
|
||||
"github.com/tetratelabs/wazero/api"
|
||||
|
||||
@ -45,7 +47,7 @@ func (c Conn) AnyCollationNeeded() error {
|
||||
// CreateCollation defines a new collating sequence.
|
||||
//
|
||||
// https://sqlite.org/c3ref/create_collation.html
|
||||
func (c *Conn) CreateCollation(name string, fn func(a, b []byte) int) error {
|
||||
func (c *Conn) CreateCollation(name string, fn CollatingFunction) error {
|
||||
var funcPtr ptr_t
|
||||
defer c.arena.mark()()
|
||||
namePtr := c.arena.string(name)
|
||||
@ -57,6 +59,10 @@ func (c *Conn) CreateCollation(name string, fn func(a, b []byte) int) error {
|
||||
return c.error(rc)
|
||||
}
|
||||
|
||||
// Collating function is the type of a collation callback.
|
||||
// Implementations must not retain a or b.
|
||||
type CollatingFunction func(a, b []byte) int
|
||||
|
||||
// CreateFunction defines a new scalar SQL function.
|
||||
//
|
||||
// https://sqlite.org/c3ref/create_function.html
|
||||
@ -77,34 +83,67 @@ func (c *Conn) CreateFunction(name string, nArg int, flag FunctionFlag, fn Scala
|
||||
// Implementations must not retain arg.
|
||||
type ScalarFunction func(ctx Context, arg ...Value)
|
||||
|
||||
// CreateWindowFunction defines a new aggregate or aggregate window SQL function.
|
||||
// If fn returns a [WindowFunction], then an aggregate window function is created.
|
||||
// If fn returns an [io.Closer], it will be called to free resources.
|
||||
// CreateAggregateFunction defines a new aggregate SQL function.
|
||||
//
|
||||
// https://sqlite.org/c3ref/create_function.html
|
||||
func (c *Conn) CreateWindowFunction(name string, nArg int, flag FunctionFlag, fn func() AggregateFunction) error {
|
||||
func (c *Conn) CreateAggregateFunction(name string, nArg int, flag FunctionFlag, fn AggregateSeqFunction) error {
|
||||
var funcPtr ptr_t
|
||||
defer c.arena.mark()()
|
||||
namePtr := c.arena.string(name)
|
||||
call := "sqlite3_create_aggregate_function_go"
|
||||
if fn != nil {
|
||||
agg := fn()
|
||||
if c, ok := agg.(io.Closer); ok {
|
||||
if err := c.Close(); err != nil {
|
||||
return err
|
||||
funcPtr = util.AddHandle(c.ctx, AggregateConstructor(func() AggregateFunction {
|
||||
var a aggregateFunc
|
||||
coro := func(yieldCoro func(struct{}) bool) {
|
||||
seq := func(yieldSeq func([]Value) bool) {
|
||||
for yieldSeq(a.arg) {
|
||||
if !yieldCoro(struct{}{}) {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
fn(&a.ctx, seq)
|
||||
}
|
||||
}
|
||||
if _, ok := agg.(WindowFunction); ok {
|
||||
call = "sqlite3_create_window_function_go"
|
||||
}
|
||||
funcPtr = util.AddHandle(c.ctx, fn)
|
||||
a.next, a.stop = iter.Pull(coro)
|
||||
return &a
|
||||
}))
|
||||
}
|
||||
rc := res_t(c.call(call,
|
||||
rc := res_t(c.call("sqlite3_create_aggregate_function_go",
|
||||
stk_t(c.handle), stk_t(namePtr), stk_t(nArg),
|
||||
stk_t(flag), stk_t(funcPtr)))
|
||||
return c.error(rc)
|
||||
}
|
||||
|
||||
// AggregateSeqFunction is the type of an aggregate SQL function.
|
||||
// Implementations must not retain the slices yielded by seq.
|
||||
type AggregateSeqFunction func(ctx *Context, seq iter.Seq[[]Value])
|
||||
|
||||
// CreateWindowFunction defines a new aggregate or aggregate window SQL function.
|
||||
// If fn returns a [WindowFunction], an aggregate window function is created.
|
||||
// If fn returns an [io.Closer], it will be called to free resources.
|
||||
//
|
||||
// https://sqlite.org/c3ref/create_function.html
|
||||
func (c *Conn) CreateWindowFunction(name string, nArg int, flag FunctionFlag, fn AggregateConstructor) error {
|
||||
var funcPtr ptr_t
|
||||
defer c.arena.mark()()
|
||||
namePtr := c.arena.string(name)
|
||||
if fn != nil {
|
||||
funcPtr = util.AddHandle(c.ctx, AggregateConstructor(func() AggregateFunction {
|
||||
agg := fn()
|
||||
if win, ok := agg.(WindowFunction); ok {
|
||||
return win
|
||||
}
|
||||
return windowFunc{agg, name}
|
||||
}))
|
||||
}
|
||||
rc := res_t(c.call("sqlite3_create_window_function_go",
|
||||
stk_t(c.handle), stk_t(namePtr), stk_t(nArg),
|
||||
stk_t(flag), stk_t(funcPtr)))
|
||||
return c.error(rc)
|
||||
}
|
||||
|
||||
// AggregateConstructor is a an [AggregateFunction] constructor.
|
||||
type AggregateConstructor func() AggregateFunction
|
||||
|
||||
// AggregateFunction is the interface an aggregate function should implement.
|
||||
//
|
||||
// https://sqlite.org/appfunc.html
|
||||
@ -153,26 +192,24 @@ func collationCallback(ctx context.Context, mod api.Module, pArg, pDB ptr_t, eTe
|
||||
}
|
||||
|
||||
func compareCallback(ctx context.Context, mod api.Module, pApp ptr_t, nKey1 int32, pKey1 ptr_t, nKey2 int32, pKey2 ptr_t) uint32 {
|
||||
fn := util.GetHandle(ctx, pApp).(func(a, b []byte) int)
|
||||
fn := util.GetHandle(ctx, pApp).(CollatingFunction)
|
||||
return uint32(fn(util.View(mod, pKey1, int64(nKey1)), util.View(mod, pKey2, int64(nKey2))))
|
||||
}
|
||||
|
||||
func funcCallback(ctx context.Context, mod api.Module, pCtx, pApp ptr_t, nArg int32, pArg ptr_t) {
|
||||
args := getFuncArgs()
|
||||
defer putFuncArgs(args)
|
||||
db := ctx.Value(connKey{}).(*Conn)
|
||||
args := callbackArgs(db, nArg, pArg)
|
||||
defer returnArgs(args)
|
||||
fn := util.GetHandle(db.ctx, pApp).(ScalarFunction)
|
||||
callbackArgs(db, args[:nArg], pArg)
|
||||
fn(Context{db, pCtx}, args[:nArg]...)
|
||||
fn(Context{db, pCtx}, *args...)
|
||||
}
|
||||
|
||||
func stepCallback(ctx context.Context, mod api.Module, pCtx, pAgg, pApp ptr_t, nArg int32, pArg ptr_t) {
|
||||
args := getFuncArgs()
|
||||
defer putFuncArgs(args)
|
||||
db := ctx.Value(connKey{}).(*Conn)
|
||||
callbackArgs(db, args[:nArg], pArg)
|
||||
args := callbackArgs(db, nArg, pArg)
|
||||
defer returnArgs(args)
|
||||
fn, _ := callbackAggregate(db, pAgg, pApp)
|
||||
fn.Step(Context{db, pCtx}, args[:nArg]...)
|
||||
fn.Step(Context{db, pCtx}, *args...)
|
||||
}
|
||||
|
||||
func valueCallback(ctx context.Context, mod api.Module, pCtx, pAgg, pApp ptr_t, final int32) {
|
||||
@ -196,12 +233,11 @@ func valueCallback(ctx context.Context, mod api.Module, pCtx, pAgg, pApp ptr_t,
|
||||
}
|
||||
|
||||
func inverseCallback(ctx context.Context, mod api.Module, pCtx, pAgg ptr_t, nArg int32, pArg ptr_t) {
|
||||
args := getFuncArgs()
|
||||
defer putFuncArgs(args)
|
||||
db := ctx.Value(connKey{}).(*Conn)
|
||||
callbackArgs(db, args[:nArg], pArg)
|
||||
args := callbackArgs(db, nArg, pArg)
|
||||
defer returnArgs(args)
|
||||
fn := util.GetHandle(db.ctx, pAgg).(WindowFunction)
|
||||
fn.Inverse(Context{db, pCtx}, args[:nArg]...)
|
||||
fn.Inverse(Context{db, pCtx}, *args...)
|
||||
}
|
||||
|
||||
func callbackAggregate(db *Conn, pAgg, pApp ptr_t) (AggregateFunction, ptr_t) {
|
||||
@ -211,7 +247,7 @@ func callbackAggregate(db *Conn, pAgg, pApp ptr_t) (AggregateFunction, ptr_t) {
|
||||
}
|
||||
|
||||
// We need to create the aggregate.
|
||||
fn := util.GetHandle(db.ctx, pApp).(func() AggregateFunction)()
|
||||
fn := util.GetHandle(db.ctx, pApp).(AggregateConstructor)()
|
||||
if pAgg != 0 {
|
||||
handle := util.AddHandle(db.ctx, fn)
|
||||
util.Write32(db.mod, pAgg, handle)
|
||||
@ -220,25 +256,64 @@ func callbackAggregate(db *Conn, pAgg, pApp ptr_t) (AggregateFunction, ptr_t) {
|
||||
return fn, 0
|
||||
}
|
||||
|
||||
func callbackArgs(db *Conn, arg []Value, pArg ptr_t) {
|
||||
for i := range arg {
|
||||
arg[i] = Value{
|
||||
var (
|
||||
valueArgsPool sync.Pool
|
||||
valueArgsLen atomic.Int32
|
||||
)
|
||||
|
||||
func callbackArgs(db *Conn, nArg int32, pArg ptr_t) *[]Value {
|
||||
arg, ok := valueArgsPool.Get().(*[]Value)
|
||||
if !ok || cap(*arg) < int(nArg) {
|
||||
max := valueArgsLen.Or(nArg) | nArg
|
||||
lst := make([]Value, max)
|
||||
arg = &lst
|
||||
}
|
||||
lst := (*arg)[:nArg]
|
||||
for i := range lst {
|
||||
lst[i] = Value{
|
||||
c: db,
|
||||
handle: util.Read32[ptr_t](db.mod, pArg+ptr_t(i)*ptrlen),
|
||||
}
|
||||
}
|
||||
*arg = lst
|
||||
return arg
|
||||
}
|
||||
|
||||
var funcArgsPool sync.Pool
|
||||
|
||||
func putFuncArgs(p *[_MAX_FUNCTION_ARG]Value) {
|
||||
funcArgsPool.Put(p)
|
||||
func returnArgs(p *[]Value) {
|
||||
valueArgsPool.Put(p)
|
||||
}
|
||||
|
||||
func getFuncArgs() *[_MAX_FUNCTION_ARG]Value {
|
||||
if p := funcArgsPool.Get(); p == nil {
|
||||
return new([_MAX_FUNCTION_ARG]Value)
|
||||
} else {
|
||||
return p.(*[_MAX_FUNCTION_ARG]Value)
|
||||
type aggregateFunc struct {
|
||||
next func() (struct{}, bool)
|
||||
stop func()
|
||||
ctx Context
|
||||
arg []Value
|
||||
}
|
||||
|
||||
func (a *aggregateFunc) Step(ctx Context, arg ...Value) {
|
||||
a.ctx = ctx
|
||||
a.arg = append(a.arg[:0], arg...)
|
||||
if _, more := a.next(); !more {
|
||||
a.stop()
|
||||
}
|
||||
}
|
||||
|
||||
func (a *aggregateFunc) Value(ctx Context) {
|
||||
a.ctx = ctx
|
||||
a.stop()
|
||||
}
|
||||
|
||||
func (a *aggregateFunc) Close() error {
|
||||
a.stop()
|
||||
return nil
|
||||
}
|
||||
|
||||
type windowFunc struct {
|
||||
AggregateFunction
|
||||
name string
|
||||
}
|
||||
|
||||
func (w windowFunc) Inverse(ctx Context, arg ...Value) {
|
||||
// Implementing inverse allows certain queries that don't really need it to succeed.
|
||||
ctx.ResultError(util.ErrorString(w.name + ": may not be used as a window function"))
|
||||
}
|
||||
|
Reference in New Issue
Block a user