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Add config driven presets for insert, update and upserta

This commit is contained in:
Vikram Rangnekar 2019-10-30 02:30:31 -04:00
parent f8aac8d4d7
commit 8ae7210e70
3 changed files with 99 additions and 16 deletions
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33
psql/mutate.go
View File

@ -82,11 +82,11 @@ func (c *compilerContext) renderInsert(qc *qcode.QCode, w io.Writer,
io.WriteString(c.w, `}}::json AS j) INSERT INTO `)
quoted(c.w, ti.Name)
io.WriteString(c.w, ` (`)
c.renderInsertUpdateColumns(qc, w, jt, ti)
c.renderInsertUpdateColumns(qc, w, jt, ti, false)
io.WriteString(c.w, `)`)
io.WriteString(c.w, ` SELECT `)
c.renderInsertUpdateColumns(qc, w, jt, ti)
c.renderInsertUpdateColumns(qc, w, jt, ti, true)
io.WriteString(c.w, ` FROM input i, `)
if array {
@ -107,7 +107,7 @@ func (c *compilerContext) renderInsert(qc *qcode.QCode, w io.Writer,
}
func (c *compilerContext) renderInsertUpdateColumns(qc *qcode.QCode, w io.Writer,
jt map[string]interface{}, ti *DBTableInfo) (uint32, error) {
jt map[string]interface{}, ti *DBTableInfo, values bool) (uint32, error) {
root := &qc.Selects[0]
i := 0
@ -115,6 +115,9 @@ func (c *compilerContext) renderInsertUpdateColumns(qc *qcode.QCode, w io.Writer
if _, ok := jt[cn]; !ok {
continue
}
if _, ok := root.PresetMap[cn]; ok {
continue
}
if len(root.Allowed) != 0 {
if _, ok := root.Allowed[cn]; !ok {
continue
@ -123,10 +126,30 @@ func (c *compilerContext) renderInsertUpdateColumns(qc *qcode.QCode, w io.Writer
if i != 0 {
io.WriteString(c.w, `, `)
}
io.WriteString(c.w, `"`)
io.WriteString(c.w, cn)
io.WriteString(c.w, `"`)
i++
}
if i != 0 && len(root.PresetList) != 0 {
io.WriteString(c.w, `, `)
}
for i := range root.PresetList {
if i != 0 {
io.WriteString(c.w, `, `)
}
if values {
io.WriteString(c.w, `'`)
io.WriteString(c.w, root.PresetMap[root.PresetList[i]])
io.WriteString(c.w, `'`)
} else {
io.WriteString(c.w, `"`)
io.WriteString(c.w, root.PresetList[i])
io.WriteString(c.w, `"`)
}
}
return 0, nil
}
@ -149,10 +172,10 @@ func (c *compilerContext) renderUpdate(qc *qcode.QCode, w io.Writer,
io.WriteString(c.w, `}}::json AS j) UPDATE `)
quoted(c.w, ti.Name)
io.WriteString(c.w, ` SET (`)
c.renderInsertUpdateColumns(qc, w, jt, ti)
c.renderInsertUpdateColumns(qc, w, jt, ti, false)
io.WriteString(c.w, `) = (SELECT `)
c.renderInsertUpdateColumns(qc, w, jt, ti)
c.renderInsertUpdateColumns(qc, w, jt, ti, true)
io.WriteString(c.w, ` FROM input i, `)
if array {

74
psql/mutate_test.go
View File

@ -2,6 +2,7 @@ package psql
import (
"encoding/json"
"fmt"
"testing"
)
@ -12,7 +13,7 @@ func simpleInsert(t *testing.T) {
}
}`
sql := `WITH "users" AS (WITH "input" AS (SELECT {{data}}::json AS j) INSERT INTO "users" (full_name, email) SELECT full_name, email FROM input i, json_populate_record(NULL::users, i.j) t RETURNING *) SELECT json_object_agg('user', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "users_0"."id" AS "id") AS "sel_0")) AS "sel_json_0" FROM (SELECT "users"."id" FROM "users") AS "users_0") AS "done_1337"`
sql := `WITH "users" AS (WITH "input" AS (SELECT {{data}}::json AS j) INSERT INTO "users" ("full_name", "email") SELECT "full_name", "email" FROM input i, json_populate_record(NULL::users, i.j) t RETURNING *) SELECT json_object_agg('user', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "users_0"."id" AS "id") AS "sel_0")) AS "sel_json_0" FROM (SELECT "users"."id" FROM "users") AS "users_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{"email": "reannagreenholt@orn.com", "full_name": "Flo Barton"}`),
@ -36,13 +37,13 @@ func singleInsert(t *testing.T) {
}
}`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{insert}}::json AS j) INSERT INTO "products" (name, description, user_id) SELECT name, description, user_id FROM input i, json_populate_record(NULL::products, i.j) t RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{insert}}::json AS j) INSERT INTO "products" ("name", "description", "user_id") SELECT "name", "description", "user_id" FROM input i, json_populate_record(NULL::products, i.j) t RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"insert": json.RawMessage(` { "name": "my_name", "woo": { "hoo": "goo" }, "description": "my_desc", "user_id": 5 }`),
}
resSQL, err := compileGQLToPSQL(gql, vars, "user")
resSQL, err := compileGQLToPSQL(gql, vars, "anon")
if err != nil {
t.Fatal(err)
}
@ -60,13 +61,13 @@ func bulkInsert(t *testing.T) {
}
}`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{insert}}::json AS j) INSERT INTO "products" (name, description) SELECT name, description FROM input i, json_populate_recordset(NULL::products, i.j) t RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{insert}}::json AS j) INSERT INTO "products" ("name", "description") SELECT "name", "description" FROM input i, json_populate_recordset(NULL::products, i.j) t RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"insert": json.RawMessage(` [{ "name": "my_name", "woo": { "hoo": "goo" }, "description": "my_desc" }]`),
}
resSQL, err := compileGQLToPSQL(gql, vars, "user")
resSQL, err := compileGQLToPSQL(gql, vars, "anon")
if err != nil {
t.Fatal(err)
}
@ -84,7 +85,7 @@ func singleUpsert(t *testing.T) {
}
}`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{upsert}}::json AS j) INSERT INTO "products" (name, description) SELECT name, description FROM input i, json_populate_record(NULL::products, i.j) t ON CONFLICT DO (id) DO UPDATE SET name = EXCLUDED.name, description = EXCLUDED.description RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{upsert}}::json AS j) INSERT INTO "products" ("name", "description") SELECT "name", "description" FROM input i, json_populate_record(NULL::products, i.j) t ON CONFLICT DO (id) DO UPDATE SET name = EXCLUDED.name, description = EXCLUDED.description RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"upsert": json.RawMessage(` { "name": "my_name", "woo": { "hoo": "goo" }, "description": "my_desc" }`),
@ -108,7 +109,7 @@ func bulkUpsert(t *testing.T) {
}
}`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{upsert}}::json AS j) INSERT INTO "products" (name, description) SELECT name, description FROM input i, json_populate_recordset(NULL::products, i.j) t ON CONFLICT DO (id) DO UPDATE SET name = EXCLUDED.name, description = EXCLUDED.description RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{upsert}}::json AS j) INSERT INTO "products" ("name", "description") SELECT "name", "description" FROM input i, json_populate_recordset(NULL::products, i.j) t ON CONFLICT DO (id) DO UPDATE SET name = EXCLUDED.name, description = EXCLUDED.description RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"upsert": json.RawMessage(` [{ "name": "my_name", "woo": { "hoo": "goo" }, "description": "my_desc" }]`),
@ -132,13 +133,13 @@ func singleUpdate(t *testing.T) {
}
}`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{update}}::json AS j) UPDATE "products" SET (name, description) = (SELECT name, description FROM input i, json_populate_record(NULL::products, i.j) t) WHERE (("products"."user_id") = {{user_id}}) AND (("products"."id") = 1) AND (("products"."id") = 15) RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{update}}::json AS j) UPDATE "products" SET ("name", "description") = (SELECT "name", "description" FROM input i, json_populate_record(NULL::products, i.j) t) WHERE (("products"."id") = 1) AND (("products"."id") = 15) RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id", "products"."name" FROM "products") AS "products_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"update": json.RawMessage(` { "name": "my_name", "woo": { "hoo": "goo" }, "description": "my_desc" }`),
}
resSQL, err := compileGQLToPSQL(gql, vars, "user")
resSQL, err := compileGQLToPSQL(gql, vars, "anon")
if err != nil {
t.Fatal(err)
}
@ -179,7 +180,7 @@ func blockedInsert(t *testing.T) {
}
}`
sql := `WITH "users" AS (WITH "input" AS (SELECT {{data}}::json AS j) INSERT INTO "users" (full_name, email) SELECT full_name, email FROM input i, json_populate_record(NULL::users, i.j) t WHERE false RETURNING *) SELECT json_object_agg('user', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "users_0"."id" AS "id") AS "sel_0")) AS "sel_json_0" FROM (SELECT "users"."id" FROM "users") AS "users_0") AS "done_1337"`
sql := `WITH "users" AS (WITH "input" AS (SELECT {{data}}::json AS j) INSERT INTO "users" ("full_name", "email") SELECT "full_name", "email" FROM input i, json_populate_record(NULL::users, i.j) t WHERE false RETURNING *) SELECT json_object_agg('user', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "users_0"."id" AS "id") AS "sel_0")) AS "sel_json_0" FROM (SELECT "users"."id" FROM "users") AS "users_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{"email": "reannagreenholt@orn.com", "full_name": "Flo Barton"}`),
@ -203,7 +204,7 @@ func blockedUpdate(t *testing.T) {
}
}`
sql := `WITH "users" AS (WITH "input" AS (SELECT {{data}}::json AS j) UPDATE "users" SET (full_name, email) = (SELECT full_name, email FROM input i, json_populate_record(NULL::users, i.j) t) WHERE false RETURNING *) SELECT json_object_agg('user', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."email" AS "email") AS "sel_0")) AS "sel_json_0" FROM (SELECT "users"."id", "users"."email" FROM "users") AS "users_0") AS "done_1337"`
sql := `WITH "users" AS (WITH "input" AS (SELECT {{data}}::json AS j) UPDATE "users" SET ("full_name", "email") = (SELECT "full_name", "email" FROM input i, json_populate_record(NULL::users, i.j) t) WHERE false RETURNING *) SELECT json_object_agg('user', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "users_0"."id" AS "id", "users_0"."email" AS "email") AS "sel_0")) AS "sel_json_0" FROM (SELECT "users"."id", "users"."email" FROM "users") AS "users_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{"email": "reannagreenholt@orn.com", "full_name": "Flo Barton"}`),
@ -219,6 +220,54 @@ func blockedUpdate(t *testing.T) {
}
}
func simpleInsertWithPresets(t *testing.T) {
gql := `mutation {
product(insert: $data) {
id
}
}`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{data}}::json AS j) INSERT INTO "products" ("name", "price", "created_at", "updated_at", "user_id") SELECT "name", "price", 'now', 'now', '$user_id' FROM input i, json_populate_record(NULL::products, i.j) t RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id" FROM "products") AS "products_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{"name": "Tomato", "price": 5.76}`),
}
resSQL, err := compileGQLToPSQL(gql, vars, "user")
if err != nil {
t.Fatal(err)
}
if string(resSQL) != sql {
t.Fatal(errNotExpected)
}
}
func simpleUpdateWithPresets(t *testing.T) {
gql := `mutation {
product(update: $data) {
id
}
}`
sql := `WITH "products" AS (WITH "input" AS (SELECT {{data}}::json AS j) UPDATE "products" SET ("name", "price", "updated_at") = (SELECT "name", "price", 'now' FROM input i, json_populate_record(NULL::products, i.j) t) WHERE (("products"."user_id") = {{user_id}}) RETURNING *) SELECT json_object_agg('product', sel_json_0) FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id") AS "sel_0")) AS "sel_json_0" FROM (SELECT "products"."id" FROM "products") AS "products_0") AS "done_1337"`
vars := map[string]json.RawMessage{
"data": json.RawMessage(`{"name": "Apple", "price": 1.25}`),
}
resSQL, err := compileGQLToPSQL(gql, vars, "user")
if err != nil {
t.Fatal(err)
}
fmt.Println(string(resSQL))
if string(resSQL) != sql {
t.Fatal(errNotExpected)
}
}
func TestCompileMutate(t *testing.T) {
t.Run("simpleInsert", simpleInsert)
t.Run("singleInsert", singleInsert)
@ -229,4 +278,7 @@ func TestCompileMutate(t *testing.T) {
t.Run("delete", delete)
t.Run("blockedInsert", blockedInsert)
t.Run("blockedUpdate", blockedUpdate)
t.Run("simpleInsertWithPresets", simpleInsertWithPresets)
t.Run("simpleUpdateWithPresets", simpleUpdateWithPresets)
}

8
psql/psql_test.go
View File

@ -36,8 +36,16 @@ func TestMain(m *testing.M) {
"{ price: { lt: 8 } }",
},
},
Insert: qcode.InsertConfig{
Presets: map[string]string{
"user_id": "$user_id",
"created_at": "now",
"updated_at": "now",
},
},
Update: qcode.UpdateConfig{
Filters: []string{"{ user_id: { eq: $user_id } }"},
Presets: map[string]string{"updated_at": "now"},
},
Delete: qcode.DeleteConfig{
Filters: []string{