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Remove AND EXPUNGE clause from DELETE expression

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When deleting records, it now removes and expunges document versions based on the table definition `DEFINE TABLE test VERSIONED` or `DEFINE TABLE test UNVERSIONED`, as opposed to the query being run. This prevents non-administrators from removing historic document data.
This commit is contained in:
Tobie Morgan Hitchcock 2018-12-31 07:46:44 +01:00
parent f089dc4d7f
commit 0402d74708
10 changed files with 1373 additions and 1406 deletions
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94
db/db.gen.go
View file

@ -11,23 +11,23 @@ import (
const (
// ----- content types ----
codecSelferCcUTF87188 = 1
codecSelferCcRAW7188 = 0
codecSelferCcUTF84278 = 1
codecSelferCcRAW4278 = 0
// ----- value types used ----
codecSelferValueTypeArray7188 = 10
codecSelferValueTypeMap7188 = 9
codecSelferValueTypeString7188 = 6
codecSelferValueTypeInt7188 = 2
codecSelferValueTypeUint7188 = 3
codecSelferValueTypeFloat7188 = 4
codecSelferBitsize7188 = uint8(32 << (^uint(0) >> 63))
codecSelferValueTypeArray4278 = 10
codecSelferValueTypeMap4278 = 9
codecSelferValueTypeString4278 = 6
codecSelferValueTypeInt4278 = 2
codecSelferValueTypeUint4278 = 3
codecSelferValueTypeFloat4278 = 4
codecSelferBitsize4278 = uint8(32 << (^uint(0) >> 63))
)
var (
errCodecSelferOnlyMapOrArrayEncodeToStruct7188 = errors.New(`only encoded map or array can be decoded into a struct`)
errCodecSelferOnlyMapOrArrayEncodeToStruct4278 = errors.New(`only encoded map or array can be decoded into a struct`)
)
type codecSelfer7188 struct{}
type codecSelfer4278 struct{}
func init() {
if codec1978.GenVersion != 8 {
@ -39,7 +39,7 @@ func init() {
}
func (x *Response) CodecEncodeSelf(e *codec1978.Encoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperEncoder(e)
_, _, _ = h, z, r
if x == nil {
@ -77,19 +77,19 @@ func (x *Response) CodecEncodeSelf(e *codec1978.Encoder) {
if yyq2[0] {
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Time))
r.EncodeString(codecSelferCcUTF84278, string(x.Time))
}
} else {
r.EncodeString(codecSelferCcUTF87188, "")
r.EncodeString(codecSelferCcUTF84278, "")
}
} else {
if yyq2[0] {
r.WriteMapElemKey()
r.EncodeString(codecSelferCcUTF87188, `time`)
r.EncodeString(codecSelferCcUTF84278, `time`)
r.WriteMapElemValue()
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Time))
r.EncodeString(codecSelferCcUTF84278, string(x.Time))
}
}
}
@ -98,19 +98,19 @@ func (x *Response) CodecEncodeSelf(e *codec1978.Encoder) {
if yyq2[1] {
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Status))
r.EncodeString(codecSelferCcUTF84278, string(x.Status))
}
} else {
r.EncodeString(codecSelferCcUTF87188, "")
r.EncodeString(codecSelferCcUTF84278, "")
}
} else {
if yyq2[1] {
r.WriteMapElemKey()
r.EncodeString(codecSelferCcUTF87188, `status`)
r.EncodeString(codecSelferCcUTF84278, `status`)
r.WriteMapElemValue()
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Status))
r.EncodeString(codecSelferCcUTF84278, string(x.Status))
}
}
}
@ -119,19 +119,19 @@ func (x *Response) CodecEncodeSelf(e *codec1978.Encoder) {
if yyq2[2] {
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Detail))
r.EncodeString(codecSelferCcUTF84278, string(x.Detail))
}
} else {
r.EncodeString(codecSelferCcUTF87188, "")
r.EncodeString(codecSelferCcUTF84278, "")
}
} else {
if yyq2[2] {
r.WriteMapElemKey()
r.EncodeString(codecSelferCcUTF87188, `detail`)
r.EncodeString(codecSelferCcUTF84278, `detail`)
r.WriteMapElemValue()
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Detail))
r.EncodeString(codecSelferCcUTF84278, string(x.Detail))
}
}
}
@ -152,7 +152,7 @@ func (x *Response) CodecEncodeSelf(e *codec1978.Encoder) {
} else {
if yyq2[3] {
r.WriteMapElemKey()
r.EncodeString(codecSelferCcUTF87188, `result`)
r.EncodeString(codecSelferCcUTF84278, `result`)
r.WriteMapElemValue()
if x.Result == nil {
r.EncodeNil()
@ -174,7 +174,7 @@ func (x *Response) CodecEncodeSelf(e *codec1978.Encoder) {
}
func (x *Response) CodecDecodeSelf(d *codec1978.Decoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
if false {
@ -182,14 +182,14 @@ func (x *Response) CodecDecodeSelf(d *codec1978.Decoder) {
z.DecExtension(x, yyxt1)
} else {
yyct2 := r.ContainerType()
if yyct2 == codecSelferValueTypeMap7188 {
if yyct2 == codecSelferValueTypeMap4278 {
yyl2 := r.ReadMapStart()
if yyl2 == 0 {
r.ReadMapEnd()
} else {
x.codecDecodeSelfFromMap(yyl2, d)
}
} else if yyct2 == codecSelferValueTypeArray7188 {
} else if yyct2 == codecSelferValueTypeArray4278 {
yyl2 := r.ReadArrayStart()
if yyl2 == 0 {
r.ReadArrayEnd()
@ -197,13 +197,13 @@ func (x *Response) CodecDecodeSelf(d *codec1978.Decoder) {
x.codecDecodeSelfFromArray(yyl2, d)
}
} else {
panic(errCodecSelferOnlyMapOrArrayEncodeToStruct7188)
panic(errCodecSelferOnlyMapOrArrayEncodeToStruct4278)
}
}
}
func (x *Response) codecDecodeSelfFromMap(l int, d *codec1978.Decoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yyhl3 bool = l >= 0
@ -256,7 +256,7 @@ func (x *Response) codecDecodeSelfFromMap(l int, d *codec1978.Decoder) {
}
func (x *Response) codecDecodeSelfFromArray(l int, d *codec1978.Decoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yyj9 int
@ -346,7 +346,7 @@ func (x *Response) codecDecodeSelfFromArray(l int, d *codec1978.Decoder) {
}
func (x *Dispatch) CodecEncodeSelf(e *codec1978.Encoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperEncoder(e)
_, _, _ = h, z, r
if x == nil {
@ -383,19 +383,19 @@ func (x *Dispatch) CodecEncodeSelf(e *codec1978.Encoder) {
if yyq2[0] {
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Query))
r.EncodeString(codecSelferCcUTF84278, string(x.Query))
}
} else {
r.EncodeString(codecSelferCcUTF87188, "")
r.EncodeString(codecSelferCcUTF84278, "")
}
} else {
if yyq2[0] {
r.WriteMapElemKey()
r.EncodeString(codecSelferCcUTF87188, `query`)
r.EncodeString(codecSelferCcUTF84278, `query`)
r.WriteMapElemValue()
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Query))
r.EncodeString(codecSelferCcUTF84278, string(x.Query))
}
}
}
@ -404,19 +404,19 @@ func (x *Dispatch) CodecEncodeSelf(e *codec1978.Encoder) {
if yyq2[1] {
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Action))
r.EncodeString(codecSelferCcUTF84278, string(x.Action))
}
} else {
r.EncodeString(codecSelferCcUTF87188, "")
r.EncodeString(codecSelferCcUTF84278, "")
}
} else {
if yyq2[1] {
r.WriteMapElemKey()
r.EncodeString(codecSelferCcUTF87188, `action`)
r.EncodeString(codecSelferCcUTF84278, `action`)
r.WriteMapElemValue()
if false {
} else {
r.EncodeString(codecSelferCcUTF87188, string(x.Action))
r.EncodeString(codecSelferCcUTF84278, string(x.Action))
}
}
}
@ -437,7 +437,7 @@ func (x *Dispatch) CodecEncodeSelf(e *codec1978.Encoder) {
} else {
if yyq2[2] {
r.WriteMapElemKey()
r.EncodeString(codecSelferCcUTF87188, `result`)
r.EncodeString(codecSelferCcUTF84278, `result`)
r.WriteMapElemValue()
if x.Result == nil {
r.EncodeNil()
@ -459,7 +459,7 @@ func (x *Dispatch) CodecEncodeSelf(e *codec1978.Encoder) {
}
func (x *Dispatch) CodecDecodeSelf(d *codec1978.Decoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
if false {
@ -467,14 +467,14 @@ func (x *Dispatch) CodecDecodeSelf(d *codec1978.Decoder) {
z.DecExtension(x, yyxt1)
} else {
yyct2 := r.ContainerType()
if yyct2 == codecSelferValueTypeMap7188 {
if yyct2 == codecSelferValueTypeMap4278 {
yyl2 := r.ReadMapStart()
if yyl2 == 0 {
r.ReadMapEnd()
} else {
x.codecDecodeSelfFromMap(yyl2, d)
}
} else if yyct2 == codecSelferValueTypeArray7188 {
} else if yyct2 == codecSelferValueTypeArray4278 {
yyl2 := r.ReadArrayStart()
if yyl2 == 0 {
r.ReadArrayEnd()
@ -482,13 +482,13 @@ func (x *Dispatch) CodecDecodeSelf(d *codec1978.Decoder) {
x.codecDecodeSelfFromArray(yyl2, d)
}
} else {
panic(errCodecSelferOnlyMapOrArrayEncodeToStruct7188)
panic(errCodecSelferOnlyMapOrArrayEncodeToStruct4278)
}
}
}
func (x *Dispatch) codecDecodeSelfFromMap(l int, d *codec1978.Decoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yyhl3 bool = l >= 0
@ -535,7 +535,7 @@ func (x *Dispatch) codecDecodeSelfFromMap(l int, d *codec1978.Decoder) {
}
func (x *Dispatch) codecDecodeSelfFromArray(l int, d *codec1978.Decoder) {
var h codecSelfer7188
var h codecSelfer4278
z, r := codec1978.GenHelperDecoder(d)
_, _, _ = h, z, r
var yyj8 int

10
db/delete.go
View file

@ -149,14 +149,8 @@ func (d *document) runDelete(ctx context.Context, stm *sql.DeleteStatement) (int
return nil, err
}
if stm.Hard {
if err = d.eraseThing(ctx); err != nil {
return nil, err
}
} else {
if err = d.purgeThing(ctx); err != nil {
return nil, err
}
if err = d.purgeThing(ctx); err != nil {
return nil, err
}
if err = d.table(ctx, met); err != nil {

20
db/document.go
View file

@ -415,26 +415,6 @@ func (d *document) purgeThing(ctx context.Context) (err error) {
}
func (d *document) eraseThing(ctx context.Context) (err error) {
defer d.ulock(ctx)
// Check that the table should
// drop data being written.
if ok, err := d.shouldDrop(ctx); ok {
return err
}
// Delete the item entirely from
// storage, so no versions exist.
_, err = d.i.e.dbo.Clr(ctx, d.key.Encode())
return
}
func (d *document) storeIndex(ctx context.Context) (err error) {
// Check if this query has been run

1
db/table.go
View file

@ -161,7 +161,6 @@ func (d *document) tableDelete(ctx context.Context, tng *sql.Thing, exp sql.Fiel
NS: d.key.NS,
DB: d.key.DB,
What: sql.Exprs{tng},
Hard: false,
Parallel: 1,
}

2632
sql/ast.gen.go
View file

File diff suppressed because it is too large Load diff

1
sql/ast.go
View file

@ -210,7 +210,6 @@ type DeleteStatement struct {
KV string
NS string
DB string
Hard bool
What Exprs
Cond Expr
Echo Token

2
sql/cork.go
View file

@ -1135,7 +1135,6 @@ func (this *DeleteStatement) MarshalCORK(w *cork.Writer) (err error) {
w.EncodeString(this.KV)
w.EncodeString(this.NS)
w.EncodeString(this.DB)
w.EncodeBool(this.Hard)
w.EncodeAny(this.What)
w.EncodeAny(this.Cond)
w.EncodeAny(this.Echo)
@ -1147,7 +1146,6 @@ func (this *DeleteStatement) UnmarshalCORK(r *cork.Reader) (err error) {
r.DecodeString(&this.KV)
r.DecodeString(&this.NS)
r.DecodeString(&this.DB)
r.DecodeBool(&this.Hard)
r.DecodeAny(&this.What)
r.DecodeAny(&this.Cond)
r.DecodeAny(&this.Echo)

7
sql/delete.go
View file

@ -22,13 +22,6 @@ func (p *parser) parseDeleteStatement() (stmt *DeleteStatement, err error) {
return nil, err
}
if _, _, exi := p.mightBe(AND); exi {
if _, _, err = p.shouldBe(EXPUNGE); err != nil {
return nil, err
}
stmt.Hard = true
}
_, _, _ = p.mightBe(FROM)
if stmt.What, err = p.parseWhat(); err != nil {

9
sql/sql_test.go
View file

@ -1592,15 +1592,6 @@ func Test_Parse_Queries_Delete(t *testing.T) {
Echo: NONE,
}}},
},
{
sql: `DELETE AND EXPUNGE person`,
res: &Query{Statements: []Statement{&DeleteStatement{
KV: "*", NS: "*", DB: "*",
What: []Expr{&Ident{"person"}},
Hard: true,
Echo: NONE,
}}},
},
{
sql: `DELETE person RETURN`,
err: "Found `` but expected `NONE, INFO, BOTH, DIFF, BEFORE, AFTER`",

3
sql/string.go
View file

@ -259,8 +259,7 @@ func (this UpdateStatement) String() string {
}
func (this DeleteStatement) String() string {
return print("DELETE %v%v%v%v%v",
maybe(this.Hard, "AND EXPUNGE "),
return print("DELETE %v%v%v%v",
this.What,
maybe(this.Cond != nil, print(" WHERE %v", this.Cond)),
maybe(this.Echo != NONE, print(" RETURN %v", this.Echo)),