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CHANGELOG

  • [FEATURE] Add ValidateDeprecated() schema option to enable validation of deprecated fields, arguments (including directive arguments), input fields, and enum values in queries. When enabled, usage of deprecated schema elements results in validation errors. This opt-in approach allows applications to enforce deprecation policies without breaking existing clients.

  • [FEATURE] Support executable-document description strings on full-form operations, fragments, and variable definitions. Descriptions remain non-semantic and do not change validation or execution behavior. Executable # comments remain ignored.

v1.9.0 Release v1.9.0

  • [IMPROVEMENT] Reduce query execution allocations by reusing internal temporary buffers in the execution hot path. Add DisableMemoryPooling() schema option to opt out and enable pooled vs non-pooled benchmark comparison. Added a MaxPooledBufferCap(n) method to set the maximum buffer capacity (in bytes) that can be returned to the internal memory pool. The default limit is 16KB.
  • [FEATURE] Allow schema cloning and applying a resolver to a schema without one. See Clone, MustClone and ApplyResolver schema methods for more details.
  • [CHORE] Applied go fix ./...-style modernization across the repo to align the code with newer Go idioms and standard library helpers.
  • [CHORE] Bump Go version in go.mod file to v1.25 to be one minor version less than the latest stable Go release.

v1.8.0 Release v1.8.0

  • [FEATURE] Added DecodeSelectedFieldArgs helper function to decode argument values for any (nested) selected field path directly from a resolver context, enabling efficient multi-level prefetching without per-resolver argument reflection. This enables selective, multi‑level batching (Category → Products → Reviews) by loading only requested fields, mitigating N+1 issues despite complex filters or pagination.
  • [CHORE] Bump Go version in go.mod file to v1.24 to be one minor version less than the latest stable Go release.

v1.7.2 Release v1.7.2

  • [BUGFIX] Fix checksum mismatch between direct git access and golang proxy for v1.7.1. This version contains identical functionality to v1.7.1 but with proper tag creation to ensure consistent checksums across all proxy configurations.

v1.7.1 Release v1.7.1

  • [IMPROVEMENT] SelectedFieldNames now returns dot-delimited nested field paths (e.g. products, products.id, products.category, products.category.id). Intermediate container object/list paths are included so resolvers can check for both a branch (products.category) and its leaves (products.category.id). HasSelectedField and SortedSelectedFieldNames operate on these paths. This aligns behavior with typical resolver projection needs and fixes missing nested selections.
  • [BUGFIX] Reject object, interface, and input object type definitions that declare zero fields/input values (spec compliance).
  • [IMPROVEMENT] Optimize overlapping field validation to avoid quadratic memory blowups on large sibling field lists.
  • [FEATURE] Add configurable safety valve for overlapping field comparison count with OverlapValidationLimit(n) schema option (0 disables the cap). When exceeded validation aborts early with rule OverlapValidationLimitExceeded. Disabled by default.
  • [TEST] Add benchmarks & randomized overlap stress test for mixed field/fragment patterns.

v1.7.0 Release v1.7.0

  • [FEATURE] Add resolver field selection inspection helpers (SelectedFieldNames, HasSelectedField, SortedSelectedFieldNames). Helpers are available by default and compute results lazily only when called. An explicit opt-out (DisableFieldSelections() schema option) is provided for applications that want to remove even the minimal context insertion overhead when the helpers are never used.

v1.5.0 Release v1.5.0

  • [FEATURE] Add specifiedBy directive in #532
  • [IMPROVEMENT] In this release we improve validation for primitive values, directives, repeat directives, #515, #516, #525, #527
  • [IMPROVEMENT] Fix minor unreachable code caused by t.Fatalf #530
  • [BUG] Fix __type queries sometimes not returning data in #540
  • [BUG] Allow deprecated directive on arguments by @pavelnikolov in #541
  • [DOCS] Add array input example #536

v1.4.0 Release v1.4.0

  • [FEATURE] Add basic first step for Apollo Federation. This does NOT include full subgraph specification. This PR adds support only for _service schema level field. This library is long way from supporting the full sub-graph spec and we do not plan to implement that any time soon.

v1.3.0 Release v1.3.0

  • [FEATURE] Support custom panic handler #468
  • [FEATURE] Support interfaces implementing interfaces #471
  • [BUG] Support parsing nanoseconds time properly #486
  • [BUG] Fix a bug in maxDepth fragment spread logic #492

v1.2.0 Release v1.2.0

  • [DOCS] Added examples of how to add JSON map as input scalar type. The goal of this change was to improve documentation #467

v1.1.0 Release v1.1.0

  • [FEATURE] Add types package #437
  • [FEATURE] Expose packer.Unmarshaler as decode.Unmarshaler to the public #450
  • [FEATURE] Add location fields to type definitions #454
  • [FEATURE] errors.Errorf preserves original error similar to fmt.Errorf #456
  • [BUGFIX] Fix duplicated __typename in response (fixes #369) #443

v1.0.0 Initial release