Add tests for gql to sql compile
This commit is contained in:
Vikram Rangnekar
parent
0f5ce2f69d
commit
b48a929538
2
dev.yml
2
dev.yml
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@ -77,6 +77,8 @@ database:
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# Fields and table names that you wish to block
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blacklist:
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- ar_internal_metadata
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- schema_migrations
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- secret
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- password
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- encrypted
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2
prod.yml
2
prod.yml
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@ -67,6 +67,8 @@ database:
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#posts: "{ account_id: { _eq: $account_id } }"
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blacklist:
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- ar_internal_metadata
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- schema_migrations
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- secret
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- password
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- encrypted
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@ -1,9 +1,223 @@
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package psql
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import (
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"os"
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"strings"
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"testing"
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"github.com/dosco/super-graph/qcode"
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)
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func TestCompileToPSQL(t *testing.T) {
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const (
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errNotExpected = "Generated SQL did not match what was expected"
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)
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var (
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qcompile *qcode.Compiler
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pcompile *Compiler
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)
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func TestMain(m *testing.M) {
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fm := qcode.NewFilterMap(map[string]string{
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"users": "{ id: { _eq: $user_id } }",
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"posts": "{ account_id: { _eq: $account_id } }",
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})
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bl := qcode.NewBlacklist([]string{
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"secret",
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"password",
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"token",
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})
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qcompile = qcode.NewCompiler(fm, bl)
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tables := []*DBTable{
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&DBTable{Name: "customers", Type: "table"},
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&DBTable{Name: "users", Type: "table"},
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&DBTable{Name: "products", Type: "table"},
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&DBTable{Name: "purchases", Type: "table"},
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}
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columns := [][]*DBColumn{
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[]*DBColumn{
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&DBColumn{ID: 1, Name: "id", Type: "bigint", NotNull: true, PrimaryKey: true, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 2, Name: "full_name", Type: "character varying", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 3, Name: "phone", Type: "character varying", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 4, Name: "email", Type: "character varying", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 5, Name: "encrypted_password", Type: "character varying", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 6, Name: "reset_password_token", Type: "character varying", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 7, Name: "reset_password_sent_at", Type: "timestamp without time zone", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 8, Name: "remember_created_at", Type: "timestamp without time zone", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 9, Name: "created_at", Type: "timestamp without time zone", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 10, Name: "updated_at", Type: "timestamp without time zone", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)}},
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[]*DBColumn{
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&DBColumn{ID: 1, Name: "id", Type: "bigint", NotNull: true, PrimaryKey: true, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 2, Name: "full_name", Type: "character varying", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 3, Name: "phone", Type: "character varying", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 4, Name: "avatar", Type: "character varying", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 5, Name: "email", Type: "character varying", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 6, Name: "encrypted_password", Type: "character varying", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 7, Name: "reset_password_token", Type: "character varying", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 8, Name: "reset_password_sent_at", Type: "timestamp without time zone", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 9, Name: "remember_created_at", Type: "timestamp without time zone", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 10, Name: "created_at", Type: "timestamp without time zone", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 11, Name: "updated_at", Type: "timestamp without time zone", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)}},
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[]*DBColumn{
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&DBColumn{ID: 1, Name: "id", Type: "bigint", NotNull: true, PrimaryKey: true, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 2, Name: "name", Type: "character varying", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 3, Name: "description", Type: "text", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 4, Name: "price", Type: "numeric(7,2)", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 5, Name: "user_id", Type: "bigint", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "users", FKeyColID: []int{1}},
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&DBColumn{ID: 6, Name: "created_at", Type: "timestamp without time zone", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 7, Name: "updated_at", Type: "timestamp without time zone", NotNull: true, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)}},
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[]*DBColumn{
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&DBColumn{ID: 1, Name: "id", Type: "bigint", NotNull: true, PrimaryKey: true, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 2, Name: "customer_id", Type: "bigint", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "customers", FKeyColID: []int{1}},
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&DBColumn{ID: 3, Name: "product_id", Type: "bigint", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "products", FKeyColID: []int{1}},
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&DBColumn{ID: 4, Name: "sale_type", Type: "character varying", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 5, Name: "quantity", Type: "integer", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 6, Name: "due_date", Type: "timestamp without time zone", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)},
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&DBColumn{ID: 7, Name: "returned", Type: "timestamp without time zone", NotNull: false, PrimaryKey: false, Uniquekey: false, FKeyTable: "", FKeyColID: []int(nil)}},
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}
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schema := initSchema()
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for i, t := range tables {
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updateSchema(schema, t, columns[i])
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}
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vars := NewVariables(map[string]string{
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"account_id": "select account_id from users where id = $user_id",
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})
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pcompile = NewCompiler(schema, vars)
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os.Exit(m.Run())
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}
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func compileGQLToPSQL(t *testing.T, gql string) string {
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qc, err := qcompile.CompileQuery(gql)
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if err != nil {
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t.Fatal(err)
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}
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var sqlStmt strings.Builder
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if err := pcompile.Compile(&sqlStmt, qc); err != nil {
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t.Fatal(err)
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}
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return sqlStmt.String()
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}
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func TestCompileGQLWithArgs(t *testing.T) {
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gql := `query {
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products(
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# returns only 30 items
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limit: 30,
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# starts from item 10, commented out for now
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# offset: 10,
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# orders the response items by highest price
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order_by: { price: desc },
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# no duplicate prices returned
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distinct: [ price ]
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# only items with an id >= 30 and < 30 are returned
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where: { id: { and: { greater_or_equals: 20, lt: 28 } } }) {
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id
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name
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price
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}
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}`
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sql := `SELECT json_object_agg('products', products) FROM (SELECT coalesce(json_agg("products" ORDER BY "products_0.ob.price" DESC), '[]') AS "products" FROM (SELECT DISTINCT ON ("price") row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."id" AS "id", "products_0"."name" AS "name", "products_0"."price" AS "price") AS "sel_0")) AS "products", "products_0"."price" AS "products_0.ob.price" FROM (SELECT "products"."id", "products"."name", "products"."price" FROM "products" WHERE ((("products"."id") < (28)) AND (("products"."id") >= (20)) ) LIMIT ('30') :: integer) AS "products_0" ORDER BY "products_0.ob.price" DESC LIMIT ('30') :: integer) AS "products_0") AS "done_1337";`
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resSQL := compileGQLToPSQL(t, gql)
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if resSQL != sql {
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t.Fatal(errNotExpected)
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}
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}
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func TestCompileGQLOneToMany(t *testing.T) {
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gql := `query {
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users {
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email
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products {
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name
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price
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}
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}
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}`
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sql := `SELECT json_object_agg('users', users) FROM (SELECT coalesce(json_agg("users"), '[]') AS "users" FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "users_0"."email" AS "email", "products_1.join"."products" AS "products") AS "sel_0")) AS "users" FROM (SELECT "users"."email", "users"."id" FROM "users" WHERE ((("users"."id") = ('{{user_id}}')) ) LIMIT ('20') :: integer) AS "users_0" LEFT OUTER JOIN LATERAL (SELECT coalesce(json_agg("products"), '[]') AS "products" FROM (SELECT row_to_json((SELECT "sel_1" FROM (SELECT "products_1"."name" AS "name", "products_1"."price" AS "price") AS "sel_1")) AS "products" FROM (SELECT "products"."name", "products"."price" FROM "products" WHERE ( (("products"."user_id") = ("users_0"."id")) ) LIMIT ('20') :: integer) AS "products_1" LIMIT ('20') :: integer) AS "products_1") AS "products_1.join" ON ('true') LIMIT ('20') :: integer) AS "users_0") AS "done_1337";`
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resSQL := compileGQLToPSQL(t, gql)
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if resSQL != sql {
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t.Fatal(errNotExpected)
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}
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}
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func TestCompileGQLBelongTo(t *testing.T) {
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gql := `query {
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products {
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name
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price
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users {
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email
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}
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}
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}`
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sql := `SELECT json_object_agg('products', products) FROM (SELECT coalesce(json_agg("products"), '[]') AS "products" FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."name" AS "name", "products_0"."price" AS "price", "users_1.join"."users" AS "users") AS "sel_0")) AS "products" FROM (SELECT "products"."name", "products"."price", "products"."user_id" FROM "products" LIMIT ('20') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT coalesce(json_agg("users"), '[]') AS "users" FROM (SELECT row_to_json((SELECT "sel_1" FROM (SELECT "users_1"."email" AS "email") AS "sel_1")) AS "users" FROM (SELECT "users"."email" FROM "users" WHERE ( (("users"."id") = ("products_0"."user_id")) ) LIMIT ('20') :: integer) AS "users_1" LIMIT ('20') :: integer) AS "users_1") AS "users_1.join" ON ('true') LIMIT ('20') :: integer) AS "products_0") AS "done_1337";`
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resSQL := compileGQLToPSQL(t, gql)
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if resSQL != sql {
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t.Fatal(errNotExpected)
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}
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}
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func TestCompileGQLManyToMany(t *testing.T) {
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gql := `query {
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products {
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name
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customers {
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email
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full_name
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}
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}
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}`
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sql := `SELECT json_object_agg('products', products) FROM (SELECT coalesce(json_agg("products"), '[]') AS "products" FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "products_0"."name" AS "name", "customers_1.join"."customers" AS "customers") AS "sel_0")) AS "products" FROM (SELECT "products"."name", "products"."id" FROM "products" LIMIT ('20') :: integer) AS "products_0" LEFT OUTER JOIN LATERAL (SELECT coalesce(json_agg("customers"), '[]') AS "customers" FROM (SELECT row_to_json((SELECT "sel_1" FROM (SELECT "customers_1"."email" AS "email", "customers_1"."full_name" AS "full_name") AS "sel_1")) AS "customers" FROM (SELECT "customers"."email", "customers"."full_name" FROM "customers" LEFT OUTER JOIN "purchases" ON (("purchases"."product_id") = ("products_0"."id")) WHERE ( (("customers"."id") = ("purchases"."customer_id")) ) LIMIT ('20') :: integer) AS "customers_1" LIMIT ('20') :: integer) AS "customers_1") AS "customers_1.join" ON ('true') LIMIT ('20') :: integer) AS "products_0") AS "done_1337";`
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resSQL := compileGQLToPSQL(t, gql)
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if resSQL != sql {
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t.Fatal(errNotExpected)
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}
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}
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func TestCompileGQLManyToManyReverse(t *testing.T) {
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gql := `query {
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customers {
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email
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full_name
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products {
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name
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}
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}
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}`
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sql := `SELECT json_object_agg('customers', customers) FROM (SELECT coalesce(json_agg("customers"), '[]') AS "customers" FROM (SELECT row_to_json((SELECT "sel_0" FROM (SELECT "customers_0"."email" AS "email", "customers_0"."full_name" AS "full_name", "products_1.join"."products" AS "products") AS "sel_0")) AS "customers" FROM (SELECT "customers"."email", "customers"."full_name", "customers"."id" FROM "customers" LIMIT ('20') :: integer) AS "customers_0" LEFT OUTER JOIN LATERAL (SELECT coalesce(json_agg("products"), '[]') AS "products" FROM (SELECT row_to_json((SELECT "sel_1" FROM (SELECT "products_1"."name" AS "name") AS "sel_1")) AS "products" FROM (SELECT "products"."name" FROM "products" LEFT OUTER JOIN "purchases" ON (("purchases"."customer_id") = ("customers_0"."id")) WHERE ( (("products"."id") = ("purchases"."product_id")) ) LIMIT ('20') :: integer) AS "products_1" LIMIT ('20') :: integer) AS "products_1") AS "products_1.join" ON ('true') LIMIT ('20') :: integer) AS "customers_0") AS "done_1337";`
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resSQL := compileGQLToPSQL(t, gql)
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if resSQL != sql {
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t.Fatal(errNotExpected)
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}
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}
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@ -40,12 +40,7 @@ type DBRel struct {
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}
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func NewDBSchema(db *pg.DB) (*DBSchema, error) {
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schema := &DBSchema{
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ColMap: make(map[TCKey]*DBColumn),
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ColIDMap: make(map[int]*DBColumn),
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PCols: make(map[string]*DBColumn),
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RelMap: make(map[TTKey]*DBRel),
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}
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schema := initSchema()
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tables, err := GetTables(db)
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if err != nil {
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@ -57,6 +52,23 @@ func NewDBSchema(db *pg.DB) (*DBSchema, error) {
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if err != nil {
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return nil, err
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}
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updateSchema(schema, t, cols)
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}
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return schema, nil
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}
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func initSchema() *DBSchema {
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return &DBSchema{
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ColMap: make(map[TCKey]*DBColumn),
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ColIDMap: make(map[int]*DBColumn),
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PCols: make(map[string]*DBColumn),
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RelMap: make(map[TTKey]*DBRel),
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}
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}
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func updateSchema(schema *DBSchema, t *DBTable, cols []*DBColumn) {
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// Current table
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ct := strings.ToLower(t.Name)
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@ -113,11 +125,11 @@ func NewDBSchema(db *pg.DB) (*DBSchema, error) {
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fc1, ok := schema.ColIDMap[col1.FKeyColID[0]]
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if !ok {
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continue
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return
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}
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fc2, ok := schema.ColIDMap[col2.FKeyColID[0]]
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if !ok {
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continue
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return
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}
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// One-to-many-through relation between 1nd foreign key table and the
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@ -134,9 +146,6 @@ func NewDBSchema(db *pg.DB) (*DBSchema, error) {
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}
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}
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return schema, nil
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}
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type DBTable struct {
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Name string `sql:"name"`
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Type string `sql:"type"`
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@ -0,0 +1,13 @@
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package psql
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import "regexp"
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func NewVariables(varlist map[string]string) map[string]string {
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re := regexp.MustCompile(`(?mi)\$([a-zA-Z0-9_.]+)`)
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vars := make(map[string]string)
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for k, v := range varlist {
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vars[k] = re.ReplaceAllString(v, `{{$1}}`)
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}
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return vars
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}
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14
qcode/lex.go
14
qcode/lex.go
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@ -172,7 +172,7 @@ func (l *lexer) accept(valid string) bool {
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return false
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}
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// accept onsumes a run of runes while they are alpha nums
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// acceptAlphaNum consumes a run of runes while they are alpha nums
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func (l *lexer) acceptAlphaNum() bool {
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n := 0
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for r := l.next(); isAlphaNumeric(r); r = l.next() {
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@ -182,6 +182,14 @@ func (l *lexer) acceptAlphaNum() bool {
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return (n != 0)
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}
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// acceptComment consumes a run of runes while till the end of line
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func (l *lexer) acceptComment() {
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n := 0
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for r := l.next(); !isEndOfLine(r); r = l.next() {
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n++
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}
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}
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// acceptRun consumes a run of runes from the valid set.
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||||
func (l *lexer) acceptRun(valid string) {
|
||||
for strings.ContainsRune(valid, l.next()) {
|
||||
|
|
@ -231,6 +239,10 @@ func lexRoot(l *lexer) stateFn {
|
|||
l.ignore()
|
||||
case isSpace(r):
|
||||
l.ignore()
|
||||
case r == '#':
|
||||
l.ignore()
|
||||
l.acceptComment()
|
||||
l.ignore()
|
||||
case r == '@':
|
||||
l.ignore()
|
||||
if l.acceptAlphaNum() {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,31 @@
|
|||
package qcode
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"regexp"
|
||||
"strings"
|
||||
)
|
||||
|
||||
func NewBlacklist(list []string) *regexp.Regexp {
|
||||
var bl *regexp.Regexp
|
||||
|
||||
if len(list) != 0 {
|
||||
re := fmt.Sprintf("(?i)%s", strings.Join(list, "|"))
|
||||
bl = regexp.MustCompile(re)
|
||||
}
|
||||
return bl
|
||||
}
|
||||
|
||||
func NewFilterMap(filters map[string]string) FilterMap {
|
||||
fm := make(FilterMap)
|
||||
|
||||
for k, v := range filters {
|
||||
fil, err := CompileFilter(v)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
key := strings.ToLower(k)
|
||||
fm[key] = fil
|
||||
}
|
||||
return fm
|
||||
}
|
||||
30
serv/serv.go
30
serv/serv.go
|
|
@ -6,7 +6,6 @@ import (
|
|||
"fmt"
|
||||
"net/http"
|
||||
"os"
|
||||
"regexp"
|
||||
"strings"
|
||||
|
||||
"github.com/dosco/super-graph/psql"
|
||||
|
|
@ -125,23 +124,11 @@ func initDB() {
|
|||
}
|
||||
|
||||
func initCompilers() {
|
||||
fv := conf.GetStringMapString("database.filters")
|
||||
fm := make(qcode.FilterMap)
|
||||
for k, v := range fv {
|
||||
fil, err := qcode.CompileFilter(v)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
key := strings.ToLower(k)
|
||||
fm[key] = fil
|
||||
}
|
||||
filters := conf.GetStringMapString("database.filters")
|
||||
blacklist := conf.GetStringSlice("database.blacklist")
|
||||
|
||||
bv := conf.GetStringSlice("database.blacklist")
|
||||
var bl *regexp.Regexp
|
||||
if len(bv) != 0 {
|
||||
re := fmt.Sprintf("(?i)%s", strings.Join(bv, "|"))
|
||||
bl = regexp.MustCompile(re)
|
||||
}
|
||||
fm := qcode.NewFilterMap(filters)
|
||||
bl := qcode.NewBlacklist(blacklist)
|
||||
qcompile = qcode.NewCompiler(fm, bl)
|
||||
|
||||
schema, err := psql.NewDBSchema(db)
|
||||
|
|
@ -149,13 +136,8 @@ func initCompilers() {
|
|||
logger.Fatal(err)
|
||||
}
|
||||
|
||||
re := regexp.MustCompile(`(?mi)\$([a-zA-Z0-9_.]+)`)
|
||||
vl := conf.GetStringMapString("database.variables")
|
||||
vars := make(map[string]string)
|
||||
|
||||
for k, v := range vl {
|
||||
vars[k] = re.ReplaceAllString(v, `{{$1}}`)
|
||||
}
|
||||
varlist := conf.GetStringMapString("database.variables")
|
||||
vars := psql.NewVariables(varlist)
|
||||
|
||||
pcompile = psql.NewCompiler(schema, vars)
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue