tests: added named_param pgx test

Author: victoraugustolls

internal/endtoend/testdata/named_param/pgx/go/db.go

@@ -0,0 +1,13 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "postgresql",
+      "driver": "pgx/v4",
+      "name": "querytest",
+      "schema": "query.sql",
+      "queries": "query.sql"
+    }
+  ]
+}

internal/endtoend/testdata/named_param/go/models.go renamed to internal/endtoend/testdata/named_param/pgx/go/models.go

@@ -0,0 +1,23 @@
+CREATE TABLE foo (name text not null, bio text not null);
+
+-- name: FuncParams :many
+SELECT name FROM foo WHERE name = sqlc.arg('slug') AND sqlc.arg(filter)::bool;
+
+-- name: AtParams :many
+SELECT name FROM foo WHERE name = @slug AND @filter::bool;
+
+-- name: InsertFuncParams :one
+INSERT INTO foo(name, bio) values (sqlc.arg('name'), sqlc.arg('bio')) returning name;
+
+-- name: InsertAtParams :one
+INSERT INTO foo(name, bio) values (@name, @bio) returning name;
+
+
+-- name: Update :one
+UPDATE foo
+SET
+  name = CASE WHEN @set_name::bool
+    THEN @name::text
+    ELSE name
+    END
+RETURNING *;