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Add nested insert and update mutations with support for connect and disconnect

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This commit is contained in:
Vikram Rangnekar
2019-12-29 01:53:54 -05:00
parent 6831d3f56f
commit 482203ba05
10 changed files with 998 additions and 248 deletions
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26
psql/insert.go
View File

@ -1,6 +1,8 @@
//nolint:errcheck
package psql
import (
"errors"
"fmt"
"io"
@ -27,6 +29,9 @@ func (c *compilerContext) renderInsert(qc *qcode.QCode, w io.Writer,
if st.Len() == 0 {
break
}
if insert[0] == '[' && st.Len() > 1 {
return 0, errors.New("Nested bulk insert not supported")
}
intf := st.Pop()
switch item := intf.(type) {
@ -38,8 +43,6 @@ func (c *compilerContext) renderInsert(qc *qcode.QCode, w io.Writer,
case renitem:
var err error
io.WriteString(c.w, `, `)
// if w := qc.Selects[0].Where; w != nil && w.Op == qcode.OpFalse {
// io.WriteString(c.w, ` WHERE false`)
// }
@ -50,7 +53,7 @@ func (c *compilerContext) renderInsert(qc *qcode.QCode, w io.Writer,
case itemConnect:
err = c.renderConnectStmt(qc, w, item)
case itemUnion:
err = c.renderInsertUnionStmt(w, item)
err = c.renderUnionStmt(w, item)
}
if err != nil {
@ -69,6 +72,7 @@ func (c *compilerContext) renderInsertStmt(qc *qcode.QCode, w io.Writer, item re
jt := item.data
sk := nestedInsertRelColumnsMap(item.kvitem)
io.WriteString(c.w, `, `)
renderCteName(w, item.kvitem)
io.WriteString(w, ` AS (`)
@ -171,19 +175,3 @@ func renderNestedInsertRelTables(w io.Writer, item kvitem) error {
return nil
}
func (c *compilerContext) renderInsertUnionStmt(w io.Writer, item renitem) error {
renderCteName(w, item.kvitem)
io.WriteString(w, ` AS (`)
for i, v := range item.items {
if i != 0 {
io.WriteString(w, ` UNION ALL `)
}
io.WriteString(w, `SELECT * FROM `)
renderCteName(w, v)
}
io.WriteString(w, `)`)
return nil
}

4
psql/insert_test.go
View File

@ -249,7 +249,7 @@ func nestedInsertOneToManyWithConnect(t *testing.T) {
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (INSERT INTO "users" ("full_name", "email", "created_at", "updated_at") SELECT "t"."full_name", "t"."email", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t RETURNING *), "products_2" AS (UPDATE "products" SET "user_id" = "users"."id" WHERE "id" = '5' RETURNING *), "products" AS (SELECT * FROM "products_2") SELECT json_object_agg('user', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."full_name" AS "full_name", "users_0"."email" AS "email", "product_1_join"."json_1" AS "product") AS "json_row_0")) AS "json_0" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" LIMIT ('1') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."user_id") = ("users_0"."id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (INSERT INTO "users" ("full_name", "email", "created_at", "updated_at") SELECT "t"."full_name", "t"."email", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t RETURNING *), "products" AS ( UPDATE "products" SET "user_id" = "users"."id"FROM "users" WHERE ("products"."id" = '5') RETURNING "products".*) SELECT json_object_agg('user', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."full_name" AS "full_name", "users_0"."email" AS "email", "product_1_join"."json_1" AS "product") AS "json_row_0")) AS "json_0" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" LIMIT ('1') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."user_id") = ("users_0"."id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{
@ -286,7 +286,7 @@ func nestedInsertOneToOneWithConnect(t *testing.T) {
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users_2" AS (SELECT * FROM "users" WHERE "id" = '5' LIMIT 1 RETURNING *), "users" AS (SELECT * FROM "users_2"), "products" AS (INSERT INTO "products" ("name", "price", "created_at", "updated_at", "user_id") SELECT "t"."name", "t"."price", "t"."created_at", "t"."updated_at", "users"."id" FROM "_sg_input" i, "users", json_populate_record(NULL::products, i.j) t RETURNING *) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "user_1_join"."json_1" AS "user") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name", "products"."user_id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "users_1"."id" AS "id", "users_1"."full_name" AS "full_name", "users_1"."email" AS "email") AS "json_row_1")) AS "json_1" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" WHERE ((("users"."id") = ("products_0"."user_id"))) LIMIT ('1') :: integer) AS "users_1" LIMIT ('1') :: integer) AS "user_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (SELECT * FROM "users" WHERE "users"."id" = '5' LIMIT 1), "products" AS (INSERT INTO "products" ("name", "price", "created_at", "updated_at", "user_id") SELECT "t"."name", "t"."price", "t"."created_at", "t"."updated_at", "users"."id" FROM "_sg_input" i, "users", json_populate_record(NULL::products, i.j) t RETURNING *) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "user_1_join"."json_1" AS "user") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name", "products"."user_id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "users_1"."id" AS "id", "users_1"."full_name" AS "full_name", "users_1"."email" AS "email") AS "json_row_1")) AS "json_1" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" WHERE ((("users"."id") = ("products_0"."user_id"))) LIMIT ('1') :: integer) AS "users_1" LIMIT ('1') :: integer) AS "user_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{

417
psql/mutate.go
View File

@ -23,15 +23,12 @@ const (
)
var insertTypes = map[string]itemType{
"connect": itemConnect,
"_connect": itemConnect,
"connect": itemConnect,
}
var updateTypes = map[string]itemType{
"connect": itemConnect,
"_connect": itemConnect,
"disconnect": itemDisconnect,
"_disconnect": itemDisconnect,
"connect": itemConnect,
"disconnect": itemDisconnect,
}
var noLimit = qcode.Paging{NoLimit: true}
@ -84,15 +81,18 @@ func (co *Compiler) compileMutation(qc *qcode.QCode, w io.Writer, vars Variables
}
type kvitem struct {
id int32
_type itemType
key string
path []string
val json.RawMessage
ti *DBTableInfo
relCP *DBRel
relPC *DBRel
items []kvitem
id int32
_type itemType
_ctype int
key string
path []string
val json.RawMessage
data map[string]json.RawMessage
array bool
ti *DBTableInfo
relCP *DBRel
relPC *DBRel
items []kvitem
}
type renitem struct {
@ -102,9 +102,17 @@ type renitem struct {
}
func (c *compilerContext) handleKVItem(st *util.Stack, item kvitem) error {
data, array, err := jsn.Tree(item.val)
if err != nil {
return err
var data map[string]json.RawMessage
var array bool
var err error
if item.data == nil {
data, array, err = jsn.Tree(item.val)
if err != nil {
return err
}
} else {
data, array = item.data, item.array
}
var unionize bool
@ -155,7 +163,7 @@ func (c *compilerContext) handleKVItem(st *util.Stack, item kvitem) error {
return err
}
item.items = append(item.items, kvitem{
item1 := kvitem{
id: id,
_type: item._type,
key: k,
@ -164,7 +172,22 @@ func (c *compilerContext) handleKVItem(st *util.Stack, item kvitem) error {
ti: ti,
relCP: relCP,
relPC: relPC,
})
}
if v[0] == '{' {
item1.data, item1.array, err = jsn.Tree(v)
if err != nil {
return err
}
if v1, ok := item1.data["connect"]; ok && (v1[0] == '{' || v1[0] == '[') {
item1._ctype |= (1 << itemConnect)
}
if v1, ok := item1.data["disconnect"]; ok && (v1[0] == '{' || v1[0] == '[') {
item1._ctype |= (1 << itemDisconnect)
}
}
item.items = append(item.items, item1)
id++
}
}
@ -194,11 +217,25 @@ func (c *compilerContext) handleKVItem(st *util.Stack, item kvitem) error {
}
}
case itemUpdate:
for _, v := range item.items {
if !(v._ctype > 0 && v.relPC.Type == RelOneToOne) {
st.Push(v)
}
}
st.Push(renitem{kvitem: item, array: array, data: data})
for _, v := range item.items {
if v._ctype > 0 && v.relPC.Type == RelOneToOne {
st.Push(v)
}
}
case itemUnion:
st.Push(renitem{kvitem: item, array: array, data: data})
for _, v := range item.items {
st.Push(v)
}
default:
for _, v := range item.items {
st.Push(v)
@ -209,6 +246,112 @@ func (c *compilerContext) handleKVItem(st *util.Stack, item kvitem) error {
return nil
}
func (c *compilerContext) renderUnionStmt(w io.Writer, item renitem) error {
var connect, disconnect bool
// Render only for parent-to-child relationship of one-to-many
if item.relPC.Type != RelOneToMany {
return nil
}
for _, v := range item.items {
if v._type == itemConnect {
connect = true
} else if v._type == itemDisconnect {
disconnect = true
}
if connect && disconnect {
break
}
}
if connect {
io.WriteString(w, `, `)
if connect && disconnect {
renderCteNameWithSuffix(w, item.kvitem, "c")
} else {
quoted(w, item.ti.Name)
}
io.WriteString(w, ` AS ( UPDATE `)
quoted(w, item.ti.Name)
io.WriteString(w, ` SET `)
quoted(w, item.relPC.Right.Col)
io.WriteString(w, ` = `)
colWithTable(w, item.relPC.Left.Table, item.relPC.Left.Col)
io.WriteString(w, `FROM `)
quoted(w, item.relPC.Left.Table)
io.WriteString(w, ` WHERE`)
i := 0
for _, v := range item.items {
if v._type == itemConnect {
if i != 0 {
io.WriteString(w, ` OR (`)
} else {
io.WriteString(w, ` (`)
}
if err := renderKVItemWhere(w, v); err != nil {
return err
}
io.WriteString(w, `)`)
i++
}
}
io.WriteString(w, ` RETURNING `)
quoted(w, item.ti.Name)
io.WriteString(w, `.*)`)
}
if disconnect {
io.WriteString(w, `, `)
if connect && disconnect {
renderCteNameWithSuffix(w, item.kvitem, "d")
} else {
quoted(w, item.ti.Name)
}
io.WriteString(w, ` AS ( UPDATE `)
quoted(w, item.ti.Name)
io.WriteString(w, ` SET `)
quoted(w, item.relPC.Right.Col)
io.WriteString(w, ` = NULL`)
io.WriteString(w, ` FROM `)
quoted(w, item.relPC.Left.Table)
io.WriteString(w, ` WHERE`)
i := 0
for _, v := range item.items {
if v._type == itemDisconnect {
if i != 0 {
io.WriteString(w, ` OR (`)
} else {
io.WriteString(w, ` (`)
}
if err := renderKVItemWhere(w, v); err != nil {
return err
}
io.WriteString(w, `)`)
i++
}
}
io.WriteString(w, ` RETURNING `)
quoted(w, item.ti.Name)
io.WriteString(w, `.*), `)
}
if connect && disconnect {
quoted(w, item.ti.Name)
io.WriteString(w, ` AS (`)
io.WriteString(w, `SELECT * FROM `)
renderCteNameWithSuffix(w, item.kvitem, "c")
io.WriteString(w, ` UNION ALL `)
io.WriteString(w, `SELECT * FROM `)
renderCteNameWithSuffix(w, item.kvitem, "d")
io.WriteString(w, `)`)
}
return nil
}
func renderInsertUpdateColumns(w io.Writer,
qc *qcode.QCode,
jt map[string]json.RawMessage,
@ -346,6 +489,101 @@ func (c *compilerContext) renderUpsert(qc *qcode.QCode, w io.Writer,
return 0, nil
}
func (c *compilerContext) renderConnectStmt(qc *qcode.QCode, w io.Writer,
item renitem) error {
rel := item.relPC
// Render only for parent-to-child relationship of one-to-one
if rel.Type != RelOneToOne {
return nil
}
io.WriteString(w, `, `)
quoted(w, item.ti.Name)
io.WriteString(c.w, ` AS (`)
io.WriteString(c.w, `SELECT * FROM `)
quoted(c.w, item.ti.Name)
io.WriteString(c.w, ` WHERE `)
if err := renderKVItemWhere(c.w, item.kvitem); err != nil {
return err
}
io.WriteString(c.w, ` LIMIT 1)`)
return nil
}
func (c *compilerContext) renderDisconnectStmt(qc *qcode.QCode, w io.Writer,
item renitem) error {
rel := item.relPC
// Render only for parent-to-child relationship of one-to-one
if rel.Type != RelOneToOne {
return nil
}
io.WriteString(w, `, `)
quoted(w, item.ti.Name)
io.WriteString(c.w, ` AS (`)
io.WriteString(c.w, `SELECT * FROM (VALUES(NULL::`)
io.WriteString(w, rel.Right.col.Type)
io.WriteString(c.w, `)) AS LOOKUP(`)
quoted(w, rel.Right.Col)
io.WriteString(c.w, `))`)
return nil
}
func renderKVItemWhere(w io.Writer, item kvitem) error {
return renderWhereFromJSON(w, item.ti.Name, item.val)
}
func renderWhereFromJSON(w io.Writer, table string, val []byte) error {
var kv map[string]json.RawMessage
if err := json.Unmarshal(val, &kv); err != nil {
return err
}
i := 0
for k, v := range kv {
if i != 0 {
io.WriteString(w, ` AND `)
}
colWithTable(w, table, k)
io.WriteString(w, ` = '`)
switch v[0] {
case '"':
w.Write(v[1 : len(v)-1])
default:
w.Write(v)
}
io.WriteString(w, `'`)
i++
}
return nil
}
func renderCteName(w io.Writer, item kvitem) error {
io.WriteString(w, `"`)
io.WriteString(w, item.ti.Name)
if item._type == itemConnect || item._type == itemDisconnect {
io.WriteString(w, `_`)
int2string(w, item.id)
}
io.WriteString(w, `"`)
return nil
}
func renderCteNameWithSuffix(w io.Writer, item kvitem, suffix string) error {
io.WriteString(w, `"`)
io.WriteString(w, item.ti.Name)
io.WriteString(w, `_`)
io.WriteString(w, suffix)
io.WriteString(w, `"`)
return nil
}
func quoted(w io.Writer, identifier string) {
io.WriteString(w, `"`)
io.WriteString(w, identifier)
@ -362,142 +600,3 @@ func joinPath(w io.Writer, path []string) {
io.WriteString(w, `'`)
}
}
func (c *compilerContext) renderConnectStmt(qc *qcode.QCode, w io.Writer,
item renitem) error {
rel := item.relPC
renderCteName(c.w, item.kvitem)
io.WriteString(c.w, ` AS (`)
// Render either select or update sql based on parent-to-child
// relationship
switch rel.Type {
case RelOneToOne:
io.WriteString(c.w, `SELECT * FROM `)
quoted(c.w, item.ti.Name)
io.WriteString(c.w, ` WHERE `)
if err := renderKVItemWhere(c.w, item.kvitem); err != nil {
return err
}
io.WriteString(c.w, ` LIMIT 1`)
case RelOneToMany:
// UPDATE films SET kind = 'Dramatic' WHERE kind = 'Drama';
io.WriteString(c.w, `UPDATE `)
quoted(c.w, item.ti.Name)
io.WriteString(c.w, ` SET `)
quoted(c.w, rel.Right.Col)
io.WriteString(c.w, ` = `)
colWithTable(c.w, rel.Left.Table, rel.Left.Col)
io.WriteString(c.w, ` WHERE `)
if err := renderKVItemWhere(c.w, item.kvitem); err != nil {
return err
}
default:
return fmt.Errorf("unsuppported relationship %s", rel)
}
io.WriteString(c.w, ` RETURNING *)`)
return nil
}
func (c *compilerContext) renderDisconnectStmt(qc *qcode.QCode, w io.Writer,
item renitem) error {
renderCteName(c.w, item.kvitem)
io.WriteString(c.w, ` AS (`)
io.WriteString(c.w, `UPDATE `)
quoted(c.w, item.ti.Name)
io.WriteString(c.w, ` SET `)
quoted(c.w, item.relPC.Right.Col)
io.WriteString(c.w, ` = NULL `)
io.WriteString(c.w, ` WHERE `)
// Render either select or update sql based on parent-to-child
// relationship
switch item.relPC.Type {
case RelOneToOne:
if err := renderRelEquals(c.w, item.relPC); err != nil {
return err
}
case RelOneToMany:
if err := renderRelEquals(c.w, item.relPC); err != nil {
return err
}
io.WriteString(c.w, ` AND `)
if err := renderKVItemWhere(c.w, item.kvitem); err != nil {
return err
}
default:
return fmt.Errorf("unsuppported relationship %s", item.relPC)
}
io.WriteString(c.w, ` RETURNING *)`)
return nil
}
func renderKVItemWhere(w io.Writer, item kvitem) error {
return renderWhereFromJSON(w, item.val)
}
func renderWhereFromJSON(w io.Writer, val []byte) error {
var kv map[string]json.RawMessage
if err := json.Unmarshal(val, &kv); err != nil {
return err
}
i := 0
for k, v := range kv {
if i != 0 {
io.WriteString(w, ` AND `)
}
quoted(w, k)
io.WriteString(w, ` = '`)
switch v[0] {
case '"':
w.Write(v[1 : len(v)-1])
default:
w.Write(v)
}
io.WriteString(w, `'`)
i++
}
return nil
}
func renderRelEquals(w io.Writer, rel *DBRel) error {
switch rel.Type {
case RelOneToOne:
colWithTable(w, rel.Left.Table, rel.Left.Col)
io.WriteString(w, ` = `)
colWithTable(w, rel.Right.Table, rel.Right.Col)
case RelOneToMany:
colWithTable(w, rel.Right.Table, rel.Right.Col)
io.WriteString(w, ` = `)
colWithTable(w, rel.Left.Table, rel.Left.Col)
}
return nil
}
func renderCteName(w io.Writer, item kvitem) error {
io.WriteString(w, `"`)
io.WriteString(w, item.ti.Name)
if item._type == itemConnect || item._type == itemDisconnect {
io.WriteString(w, `_`)
int2string(w, item.id)
}
io.WriteString(w, `"`)
return nil
}

2
psql/mutate_test.go
View File

@ -85,7 +85,7 @@ func delete(t *testing.T) {
}
}`
sql := `WITH "products" AS (DELETE FROM "products" WHERE (("products"."price") > 0) AND (("products"."price") < 8) AND (("products"."id") = 1) RETURNING *) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name" FROM "products" LIMIT ('1') :: integer) AS "products_0" LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "products" AS (DELETE FROM "products" WHERE (("products"."price") > 0) AND (("products"."price") < 8) AND (("products"."id") = 1) RETURNING "products".*)SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name" FROM "products" LIMIT ('1') :: integer) AS "products_0" LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"update": json.RawMessage(` { "name": "my_name", "description": "my_desc" }`),

4
psql/schema.go
View File

@ -38,11 +38,13 @@ type DBRel struct {
Through string
ColT string
Left struct {
col *DBColumn
Table string
Col string
Array bool
}
Right struct {
col *DBColumn
Table string
Col string
Array bool
@ -166,10 +168,12 @@ func (s *DBSchema) updateRelationships(t DBTable, cols []DBColumn) error {
rel1 = &DBRel{Type: RelOneToMany}
}
rel1.Left.col = &c
rel1.Left.Table = t.Name
rel1.Left.Col = c.Name
rel1.Left.Array = c.Array
rel1.Right.col = fc
rel1.Right.Table = c.FKeyTable
rel1.Right.Col = fc.Name
rel1.Right.Array = fc.Array

116
psql/update.go
View File

@ -1,6 +1,8 @@
//nolint:errcheck
package psql
import (
"errors"
"fmt"
"io"
@ -11,7 +13,7 @@ import (
func (c *compilerContext) renderUpdate(qc *qcode.QCode, w io.Writer,
vars Variables, ti *DBTableInfo) (uint32, error) {
insert, ok := vars[qc.ActionVar]
update, ok := vars[qc.ActionVar]
if !ok {
return 0, fmt.Errorf("Variable '%s' not !defined", qc.ActionVar)
}
@ -21,12 +23,15 @@ func (c *compilerContext) renderUpdate(qc *qcode.QCode, w io.Writer,
io.WriteString(c.w, `}}' :: json AS j)`)
st := util.NewStack()
st.Push(kvitem{_type: itemUpdate, key: ti.Name, val: insert, ti: ti})
st.Push(kvitem{_type: itemUpdate, key: ti.Name, val: update, ti: ti})
for {
if st.Len() == 0 {
break
}
if update[0] == '[' && st.Len() > 1 {
return 0, errors.New("Nested bulk update not supported")
}
intf := st.Pop()
switch item := intf.(type) {
@ -45,12 +50,12 @@ func (c *compilerContext) renderUpdate(qc *qcode.QCode, w io.Writer,
switch item._type {
case itemUpdate:
err = c.renderUpdateStmt(w, qc, item)
// case itemConnect:
// err = c.renderConnectStmt(qc, w, item)
// case itemDisconnect:
// err = c.renderDisconnectStmt(qc, w, item)
case itemConnect:
err = c.renderConnectStmt(qc, w, item)
case itemDisconnect:
err = c.renderDisconnectStmt(qc, w, item)
case itemUnion:
err = c.renderUpdateUnionStmt(w, item)
err = c.renderUnionStmt(w, item)
}
if err != nil {
@ -67,6 +72,7 @@ func (c *compilerContext) renderUpdate(qc *qcode.QCode, w io.Writer,
func (c *compilerContext) renderUpdateStmt(w io.Writer, qc *qcode.QCode, item renitem) error {
ti := item.ti
jt := item.data
sk := nestedUpdateRelColumnsMap(item.kvitem)
io.WriteString(c.w, `, `)
renderCteName(c.w, item.kvitem)
@ -75,12 +81,15 @@ func (c *compilerContext) renderUpdateStmt(w io.Writer, qc *qcode.QCode, item re
io.WriteString(w, `UPDATE `)
quoted(w, ti.Name)
io.WriteString(w, ` SET (`)
renderInsertUpdateColumns(w, qc, jt, ti, nil, false)
renderInsertUpdateColumns(w, qc, jt, ti, sk, false)
renderNestedUpdateRelColumns(w, item.kvitem, false)
io.WriteString(w, `) = (SELECT `)
renderInsertUpdateColumns(w, qc, jt, ti, nil, true)
renderInsertUpdateColumns(w, qc, jt, ti, sk, true)
renderNestedUpdateRelColumns(w, item.kvitem, true)
io.WriteString(w, ` FROM "_sg_input" i, `)
renderNestedUpdateRelTables(w, item.kvitem)
if item.array {
io.WriteString(w, `json_populate_recordset`)
@ -90,15 +99,24 @@ func (c *compilerContext) renderUpdateStmt(w io.Writer, qc *qcode.QCode, item re
io.WriteString(w, `(NULL::`)
io.WriteString(w, ti.Name)
io.WriteString(w, `, i.j) t`)
io.WriteString(w, ` WHERE `)
if len(item.path) == 0 {
io.WriteString(w, `, i.j) t)`)
} else {
io.WriteString(w, `, i.j->`)
joinPath(w, item.path)
io.WriteString(w, `) t) `)
}
if item.id != 0 {
// Render sql to set id values if child-to-parent
// relationship is one-to-one
rel := item.relCP
io.WriteString(w, `((`)
io.WriteString(w, `FROM `)
quoted(w, rel.Right.Table)
io.WriteString(w, ` WHERE ((`)
colWithTable(w, rel.Left.Table, rel.Left.Col)
io.WriteString(w, `) = (`)
colWithTable(w, rel.Right.Table, rel.Right.Col)
@ -107,53 +125,68 @@ func (c *compilerContext) renderUpdateStmt(w io.Writer, qc *qcode.QCode, item re
if item.relPC.Type == RelOneToMany {
if conn, ok := item.data["where"]; ok {
io.WriteString(w, ` AND `)
renderWhereFromJSON(w, conn)
renderWhereFromJSON(w, item.ti.Name, conn)
} else if conn, ok := item.data["_where"]; ok {
io.WriteString(w, ` AND `)
renderWhereFromJSON(w, conn)
renderWhereFromJSON(w, item.ti.Name, conn)
}
}
io.WriteString(w, `)`)
} else {
io.WriteString(w, `WHERE `)
if err := c.renderWhere(&qc.Selects[0], ti); err != nil {
return err
}
}
io.WriteString(w, `) RETURNING *)`)
io.WriteString(w, ` RETURNING `)
quoted(w, ti.Name)
io.WriteString(w, `.*)`)
return nil
}
func (c *compilerContext) renderUpdateUnionStmt(w io.Writer, item renitem) error {
renderCteName(w, item.kvitem)
io.WriteString(w, ` AS (`)
func nestedUpdateRelColumnsMap(item kvitem) map[string]struct{} {
sk := make(map[string]struct{}, len(item.items))
i := 0
for _, v := range item.items {
if v._type == itemConnect {
if i == 0 {
io.WriteString(w, `UPDATE `)
quoted(w, v.ti.Name)
io.WriteString(w, ` SET `)
quoted(w, v.relPC.Right.Col)
io.WriteString(w, ` = `)
colWithTable(w, v.relPC.Left.Table, v.relPC.Left.Col)
io.WriteString(w, ` WHERE `)
} else {
io.WriteString(w, ` OR (`)
}
if err := renderKVItemWhere(w, v); err != nil {
return err
}
if i != 0 {
io.WriteString(w, `)`)
}
i++
//fmt.Println(">>", v._ctype > 0 && v.relCP.Type == RelOneToMany, v.relCP.Right.Col)
if v._ctype > 0 && v.relCP.Type == RelOneToMany {
sk[v.relCP.Right.Col] = struct{}{}
}
}
return sk
}
func renderNestedUpdateRelColumns(w io.Writer, item kvitem, values bool) error {
// Render child foreign key columns if child-to-parent
// relationship is one-to-many
for _, v := range item.items {
if v._ctype > 0 && v.relCP.Type == RelOneToMany {
io.WriteString(w, `, `)
if values {
colWithTable(w, v.relCP.Left.Table, v.relCP.Left.Col)
} else {
quoted(w, v.relCP.Right.Col)
}
}
}
return nil
}
func renderNestedUpdateRelTables(w io.Writer, item kvitem) error {
// Render child foreign key columns if child-to-parent
// relationship is one-to-many
for _, v := range item.items {
if v._ctype > 0 && v.relCP.Type == RelOneToMany {
quoted(w, v.relCP.Left.Table)
io.WriteString(w, `, `)
}
}
io.WriteString(w, `)`)
return nil
}
@ -173,7 +206,8 @@ func (c *compilerContext) renderDelete(qc *qcode.QCode, w io.Writer,
return 0, err
}
io.WriteString(c.w, ` RETURNING *) `)
io.WriteString(w, ` RETURNING `)
quoted(w, ti.Name)
io.WriteString(w, `.*)`)
return 0, nil
}

68
psql/update_test.go
View File

@ -2,7 +2,6 @@ package psql
import (
"encoding/json"
"fmt"
"testing"
)
@ -14,7 +13,7 @@ func singleUpdate(t *testing.T) {
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{update}}' :: json AS j), "products" AS (UPDATE "products" SET ("name", "description") = (SELECT "t"."name", "t"."description" FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t WHERE (("products"."id") = 1) AND (("products"."id") = 15)) RETURNING *) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name" FROM "products" LIMIT ('1') :: integer) AS "products_0" LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "_sg_input" AS (SELECT '{{update}}' :: json AS j), "products" AS (UPDATE "products" SET ("name", "description") = (SELECT "t"."name", "t"."description" FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t)WHERE (("products"."id") = 1) AND (("products"."id") = 15) RETURNING "products".*) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name" FROM "products" LIMIT ('1') :: integer) AS "products_0" LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"update": json.RawMessage(` { "name": "my_name", "description": "my_desc" }`),
@ -37,7 +36,7 @@ func simpleUpdateWithPresets(t *testing.T) {
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "products" AS (UPDATE "products" SET ("name", "price", "updated_at") = (SELECT "t"."name", "t"."price", 'now' :: timestamp without time zone FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t WHERE (("products"."user_id") = '{{user_id}}' :: bigint)) RETURNING *) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "products" AS (UPDATE "products" SET ("name", "price", "updated_at") = (SELECT "t"."name", "t"."price", 'now' :: timestamp without time zone FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t)WHERE (("products"."user_id") = '{{user_id}}' :: bigint) RETURNING "products".*) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{"name": "Apple", "price": 1.25}`),
@ -72,9 +71,9 @@ func nestedUpdateManyToMany(t *testing.T) {
}
}`
sql1 := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "purchases" AS (UPDATE "purchases" SET ("sale_type", "quantity", "due_date") = (SELECT "t"."sale_type", "t"."quantity", "t"."due_date" FROM "_sg_input" i, json_populate_record(NULL::purchases, i.j) t WHERE (("purchases"."id") = 5)) RETURNING *), "customers" AS (UPDATE "customers" SET ("full_name", "email") = (SELECT "t"."full_name", "t"."email" FROM "_sg_input" i, json_populate_record(NULL::customers, i.j) t WHERE (("customers"."id") = ("purchases"."customer_id"))) RETURNING *), "products" AS (UPDATE "products" SET ("name", "price") = (SELECT "t"."name", "t"."price" FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t WHERE (("products"."id") = ("purchases"."product_id"))) RETURNING *) SELECT json_object_agg('purchase', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "purchases_0"."sale_type" AS "sale_type", "purchases_0"."quantity" AS "quantity", "purchases_0"."due_date" AS "due_date", "product_1_join"."json_1" AS "product", "customer_2_join"."json_2" AS "customer") AS "json_row_0")) AS "json_0" FROM (SELECT "purchases"."sale_type", "purchases"."quantity", "purchases"."due_date", "purchases"."product_id", "purchases"."customer_id" FROM "purchases" LIMIT ('1') :: integer) AS "purchases_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_2" FROM (SELECT "customers_2"."id" AS "id", "customers_2"."full_name" AS "full_name", "customers_2"."email" AS "email") AS "json_row_2")) AS "json_2" FROM (SELECT "customers"."id", "customers"."full_name", "customers"."email" FROM "customers" WHERE ((("customers"."id") = ("purchases_0"."customer_id"))) LIMIT ('1') :: integer) AS "customers_2" LIMIT ('1') :: integer) AS "customer_2_join" ON ('true') LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."id") = ("purchases_0"."product_id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql1 := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "purchases" AS (UPDATE "purchases" SET ("sale_type", "quantity", "due_date") = (SELECT "t"."sale_type", "t"."quantity", "t"."due_date" FROM "_sg_input" i, json_populate_record(NULL::purchases, i.j) t)WHERE (("purchases"."id") = 5) RETURNING "purchases".*), "products" AS (UPDATE "products" SET ("name", "price") = (SELECT "t"."name", "t"."price" FROM "_sg_input" i, json_populate_record(NULL::products, i.j->'product') t) FROM "purchases" WHERE (("products"."id") = ("purchases"."product_id")) RETURNING "products".*), "customers" AS (UPDATE "customers" SET ("full_name", "email") = (SELECT "t"."full_name", "t"."email" FROM "_sg_input" i, json_populate_record(NULL::customers, i.j->'customer') t) FROM "purchases" WHERE (("customers"."id") = ("purchases"."customer_id")) RETURNING "customers".*) SELECT json_object_agg('purchase', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "purchases_0"."sale_type" AS "sale_type", "purchases_0"."quantity" AS "quantity", "purchases_0"."due_date" AS "due_date", "product_1_join"."json_1" AS "product", "customer_2_join"."json_2" AS "customer") AS "json_row_0")) AS "json_0" FROM (SELECT "purchases"."sale_type", "purchases"."quantity", "purchases"."due_date", "purchases"."product_id", "purchases"."customer_id" FROM "purchases" LIMIT ('1') :: integer) AS "purchases_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_2" FROM (SELECT "customers_2"."id" AS "id", "customers_2"."full_name" AS "full_name", "customers_2"."email" AS "email") AS "json_row_2")) AS "json_2" FROM (SELECT "customers"."id", "customers"."full_name", "customers"."email" FROM "customers" WHERE ((("customers"."id") = ("purchases_0"."customer_id"))) LIMIT ('1') :: integer) AS "customers_2" LIMIT ('1') :: integer) AS "customer_2_join" ON ('true') LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."id") = ("purchases_0"."product_id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql2 := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "purchases" AS (UPDATE "purchases" SET ("sale_type", "quantity", "due_date") = (SELECT "t"."sale_type", "t"."quantity", "t"."due_date" FROM "_sg_input" i, json_populate_record(NULL::purchases, i.j) t WHERE (("purchases"."id") = 5)) RETURNING *), "products" AS (UPDATE "products" SET ("name", "price") = (SELECT "t"."name", "t"."price" FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t WHERE (("products"."id") = ("purchases"."product_id"))) RETURNING *), "customers" AS (UPDATE "customers" SET ("full_name", "email") = (SELECT "t"."full_name", "t"."email" FROM "_sg_input" i, json_populate_record(NULL::customers, i.j) t WHERE (("customers"."id") = ("purchases"."customer_id"))) RETURNING *) SELECT json_object_agg('purchase', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "purchases_0"."sale_type" AS "sale_type", "purchases_0"."quantity" AS "quantity", "purchases_0"."due_date" AS "due_date", "product_1_join"."json_1" AS "product", "customer_2_join"."json_2" AS "customer") AS "json_row_0")) AS "json_0" FROM (SELECT "purchases"."sale_type", "purchases"."quantity", "purchases"."due_date", "purchases"."product_id", "purchases"."customer_id" FROM "purchases" LIMIT ('1') :: integer) AS "purchases_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_2" FROM (SELECT "customers_2"."id" AS "id", "customers_2"."full_name" AS "full_name", "customers_2"."email" AS "email") AS "json_row_2")) AS "json_2" FROM (SELECT "customers"."id", "customers"."full_name", "customers"."email" FROM "customers" WHERE ((("customers"."id") = ("purchases_0"."customer_id"))) LIMIT ('1') :: integer) AS "customers_2" LIMIT ('1') :: integer) AS "customer_2_join" ON ('true') LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."id") = ("purchases_0"."product_id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql2 := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "purchases" AS (UPDATE "purchases" SET ("sale_type", "quantity", "due_date") = (SELECT "t"."sale_type", "t"."quantity", "t"."due_date" FROM "_sg_input" i, json_populate_record(NULL::purchases, i.j) t)WHERE (("purchases"."id") = 5) RETURNING "purchases".*), "customers" AS (UPDATE "customers" SET ("full_name", "email") = (SELECT "t"."full_name", "t"."email" FROM "_sg_input" i, json_populate_record(NULL::customers, i.j->'customer') t) FROM "purchases" WHERE (("customers"."id") = ("purchases"."customer_id")) RETURNING "customers".*), "products" AS (UPDATE "products" SET ("name", "price") = (SELECT "t"."name", "t"."price" FROM "_sg_input" i, json_populate_record(NULL::products, i.j->'product') t) FROM "purchases" WHERE (("products"."id") = ("purchases"."product_id")) RETURNING "products".*) SELECT json_object_agg('purchase', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "purchases_0"."sale_type" AS "sale_type", "purchases_0"."quantity" AS "quantity", "purchases_0"."due_date" AS "due_date", "product_1_join"."json_1" AS "product", "customer_2_join"."json_2" AS "customer") AS "json_row_0")) AS "json_0" FROM (SELECT "purchases"."sale_type", "purchases"."quantity", "purchases"."due_date", "purchases"."product_id", "purchases"."customer_id" FROM "purchases" LIMIT ('1') :: integer) AS "purchases_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_2" FROM (SELECT "customers_2"."id" AS "id", "customers_2"."full_name" AS "full_name", "customers_2"."email" AS "email") AS "json_row_2")) AS "json_2" FROM (SELECT "customers"."id", "customers"."full_name", "customers"."email" FROM "customers" WHERE ((("customers"."id") = ("purchases_0"."customer_id"))) LIMIT ('1') :: integer) AS "customers_2" LIMIT ('1') :: integer) AS "customer_2_join" ON ('true') LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."id") = ("purchases_0"."product_id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(` {
@ -120,7 +119,7 @@ func nestedUpdateOneToMany(t *testing.T) {
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (UPDATE "users" SET ("full_name", "email", "created_at", "updated_at") = (SELECT "t"."full_name", "t"."email", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t WHERE (("users"."id") = 8)) RETURNING *), "products" AS (UPDATE "products" SET ("name", "price", "created_at", "updated_at") = (SELECT "t"."name", "t"."price", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t WHERE (("products"."user_id") = ("users"."id") AND "id" = '2')) RETURNING *) SELECT json_object_agg('user', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."full_name" AS "full_name", "users_0"."email" AS "email", "product_1_join"."json_1" AS "product") AS "json_row_0")) AS "json_0" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" LIMIT ('1') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."user_id") = ("users_0"."id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (UPDATE "users" SET ("full_name", "email", "created_at", "updated_at") = (SELECT "t"."full_name", "t"."email", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t)WHERE (("users"."id") = 8) RETURNING "users".*), "products" AS (UPDATE "products" SET ("name", "price", "created_at", "updated_at") = (SELECT "t"."name", "t"."price", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::products, i.j->'product') t) FROM "users" WHERE (("products"."user_id") = ("users"."id") AND "products"."id" = '2') RETURNING "products".*) SELECT json_object_agg('user', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."full_name" AS "full_name", "users_0"."email" AS "email", "product_1_join"."json_1" AS "product") AS "json_row_0")) AS "json_0" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" LIMIT ('1') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."user_id") = ("users_0"."id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{
@ -163,7 +162,7 @@ func nestedUpdateOneToOne(t *testing.T) {
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "products" AS (UPDATE "products" SET ("name", "price", "created_at", "updated_at") = (SELECT "t"."name", "t"."price", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t WHERE (("products"."id") = 6)) RETURNING *), "users" AS (UPDATE "users" SET ("email") = (SELECT "t"."email" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t WHERE (("users"."id") = ("products"."user_id"))) RETURNING *) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "user_1_join"."json_1" AS "user") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name", "products"."user_id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "users_1"."id" AS "id", "users_1"."full_name" AS "full_name", "users_1"."email" AS "email") AS "json_row_1")) AS "json_1" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" WHERE ((("users"."id") = ("products_0"."user_id"))) LIMIT ('1') :: integer) AS "users_1" LIMIT ('1') :: integer) AS "user_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "products" AS (UPDATE "products" SET ("name", "price", "created_at", "updated_at") = (SELECT "t"."name", "t"."price", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::products, i.j) t)WHERE (("products"."id") = 6) RETURNING "products".*), "users" AS (UPDATE "users" SET ("email") = (SELECT "t"."email" FROM "_sg_input" i, json_populate_record(NULL::users, i.j->'user') t) FROM "products" WHERE (("users"."id") = ("products"."user_id")) RETURNING "users".*) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "user_1_join"."json_1" AS "user") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name", "products"."user_id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "users_1"."id" AS "id", "users_1"."full_name" AS "full_name", "users_1"."email" AS "email") AS "json_row_1")) AS "json_1" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" WHERE ((("users"."id") = ("products_0"."user_id"))) LIMIT ('1') :: integer) AS "users_1" LIMIT ('1') :: integer) AS "user_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{
@ -201,9 +200,7 @@ func nestedUpdateOneToManyWithConnect(t *testing.T) {
}
}`
sql1 := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (UPDATE "users" SET ("full_name", "email", "created_at", "updated_at") = (SELECT "t"."full_name", "t"."email", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t WHERE (("users"."id") = 6)) RETURNING *), "products_3" AS (UPDATE "products" SET "user_id" = NULL WHERE "products"."user_id" = "users"."id" AND "id" = '8' RETURNING *), "products_2" AS (UPDATE "products" SET "user_id" = "users"."id" WHERE "id" = '7' RETURNING *), "products" AS (SELECT * FROM "products_2" UNION ALL SELECT * FROM "products_3") SELECT json_object_agg('user', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."full_name" AS "full_name", "users_0"."email" AS "email", "product_1_join"."json_1" AS "product") AS "json_row_0")) AS "json_0" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" LIMIT ('1') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."user_id") = ("users_0"."id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql2 := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (UPDATE "users" SET ("full_name", "email", "created_at", "updated_at") = (SELECT "t"."full_name", "t"."email", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t WHERE (("users"."id") = 6)) RETURNING *), "products_3" AS (UPDATE "products" SET "user_id" = "users"."id" WHERE "id" = '7' RETURNING *), "products_2" AS (UPDATE "products" SET "user_id" = NULL WHERE "products"."user_id" = "users"."id" AND "id" = '8' RETURNING *), "products" AS (SELECT * FROM "products_2" UNION ALL SELECT * FROM "products_3") SELECT json_object_agg('user', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."full_name" AS "full_name", "users_0"."email" AS "email", "product_1_join"."json_1" AS "product") AS "json_row_0")) AS "json_0" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" LIMIT ('1') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."user_id") = ("users_0"."id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql1 := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (UPDATE "users" SET ("full_name", "email", "created_at", "updated_at") = (SELECT "t"."full_name", "t"."email", "t"."created_at", "t"."updated_at" FROM "_sg_input" i, json_populate_record(NULL::users, i.j) t)WHERE (("users"."id") = 6) RETURNING "users".*), "products_c" AS ( UPDATE "products" SET "user_id" = "users"."id"FROM "users" WHERE ("products"."id" = '7') RETURNING "products".*), "products_d" AS ( UPDATE "products" SET "user_id" = NULL FROM "users" WHERE ("products"."id" = '8') RETURNING "products".*), "products" AS (SELECT * FROM "products_c" UNION ALL SELECT * FROM "products_d") SELECT json_object_agg('user', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."full_name" AS "full_name", "users_0"."email" AS "email", "product_1_join"."json_1" AS "product") AS "json_row_0")) AS "json_0" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" LIMIT ('1') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "products_1"."id" AS "id", "products_1"."name" AS "name", "products_1"."price" AS "price") AS "json_row_1")) AS "json_1" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."user_id") = ("users_0"."id"))) LIMIT ('1') :: integer) AS "products_1" LIMIT ('1') :: integer) AS "product_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{
@ -218,15 +215,13 @@ func nestedUpdateOneToManyWithConnect(t *testing.T) {
}`),
}
for i := 0; i < 1000; i++ {
resSQL, err := compileGQLToPSQL(gql, vars, "admin")
if err != nil {
t.Fatal(err)
}
resSQL, err := compileGQLToPSQL(gql, vars, "admin")
if err != nil {
t.Fatal(err)
}
if string(resSQL) != sql1 && string(resSQL) != sql2 {
t.Fatal(errNotExpected)
}
if string(resSQL) != sql1 {
t.Fatal(errNotExpected)
}
}
@ -243,14 +238,12 @@ func nestedUpdateOneToOneWithConnect(t *testing.T) {
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (SELECT * FROM "users" WHERE "id" = '5' AND "email" = 'test@test.com' LIMIT 1), "products" AS (UPDATE "products" SET ("name", "price", "created_at", "updated_at", "user_id") = (SELECT "t"."name", "t"."price", "t"."created_at", "t"."updated_at", "users"."id" FROM "_sg_input" i, "users", json_populate_record(NULL::products, i.j) t WHERE (("products"."id") = 9)) RETURNING *) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "user_1_join"."json_1" AS "user") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name", "products"."user_id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "users_1"."id" AS "id", "users_1"."full_name" AS "full_name", "users_1"."email" AS "email") AS "json_row_1")) AS "json_1" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" WHERE ((("users"."id") = ("products_0"."user_id"))) LIMIT ('1') :: integer) AS "users_1" LIMIT ('1') :: integer) AS "user_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (SELECT * FROM "users" WHERE "users"."id" = '5' AND "users"."email" = 'test@test.com' LIMIT 1), "products" AS (UPDATE "products" SET ("name", "price", "user_id") = (SELECT "t"."name", "t"."price", "users"."id" FROM "_sg_input" i, "users", json_populate_record(NULL::products, i.j) t)WHERE (("products"."id") = 9) RETURNING "products".*) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "user_1_join"."json_1" AS "user") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name", "products"."user_id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT row_to_json((SELECT "json_row_1" FROM (SELECT "users_1"."id" AS "id", "users_1"."full_name" AS "full_name", "users_1"."email" AS "email") AS "json_row_1")) AS "json_1" FROM (SELECT "users"."id", "users"."full_name", "users"."email" FROM "users" WHERE ((("users"."id") = ("products_0"."user_id"))) LIMIT ('1') :: integer) AS "users_1" LIMIT ('1') :: integer) AS "user_1_join" ON ('true') LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{
"name": "Apple",
"price": 1.25,
"created_at": "now",
"updated_at": "now",
"user": {
"connect": { "id": 5, "email": "test@test.com" }
}
@ -261,7 +254,37 @@ func nestedUpdateOneToOneWithConnect(t *testing.T) {
if err != nil {
t.Fatal(err)
}
fmt.Println(string(resSQL))
if string(resSQL) != sql {
t.Fatal(errNotExpected)
}
}
func nestedUpdateOneToOneWithDisconnect(t *testing.T) {
gql := `mutation {
product(update: $data, id: 2) {
id
name
user_id
}
}`
sql := `WITH "_sg_input" AS (SELECT '{{data}}' :: json AS j), "users" AS (SELECT * FROM (VALUES(NULL::bigint)) AS LOOKUP("id")), "products" AS (UPDATE "products" SET ("name", "price", "user_id") = (SELECT "t"."name", "t"."price", "users"."id" FROM "_sg_input" i, "users", json_populate_record(NULL::products, i.j) t)WHERE (("products"."id") = 2) RETURNING "products".*) SELECT json_object_agg('product', json_0) FROM (SELECT row_to_json((SELECT "json_row_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "products_0"."user_id" AS "user_id") AS "json_row_0")) AS "json_0" FROM (SELECT "products"."id", "products"."name", "products"."user_id" FROM "products" LIMIT ('1') :: integer) AS "products_0" LIMIT ('1') :: integer) AS "sel_0"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{
"name": "Apple",
"price": 1.25,
"user": {
"disconnect": { "id": 5 }
}
}`),
}
resSQL, err := compileGQLToPSQL(gql, vars, "admin")
if err != nil {
t.Fatal(err)
}
if string(resSQL) != sql {
t.Fatal(errNotExpected)
@ -276,4 +299,5 @@ func TestCompileUpdate(t *testing.T) {
t.Run("nestedUpdateOneToOne", nestedUpdateOneToOne)
t.Run("nestedUpdateOneToManyWithConnect", nestedUpdateOneToManyWithConnect)
t.Run("nestedUpdateOneToOneWithConnect", nestedUpdateOneToOneWithConnect)
t.Run("nestedUpdateOneToOneWithDisconnect", nestedUpdateOneToOneWithDisconnect)
}