Dgraph v20.03.0

Note: This release requires you to export and re-import data prior to upgrading or rolling back. The underlying data format has been changed.

Changed

• Report GraphQL stats from alpha. (#4607)
• During backup, collapse split posting lists into a single list. (#4682)
• Optimize computing reverse reindexing. (#4755)
• Add partition key based iterator to the bulk loader. (#4841)
• Invert s2 loop instead of rebuilding. (#4782)
• Update Badger Version. (#4935)
• Incremental Rollup and Tablet Size Calculation. (#4972)
• Track internal operations and cancel when needed. (#4916)
• Set version when rollup is called with no splits. (#4945)
• Use a different stream writer id for split keys. (#4875)
• Split posting lists recursively. (#4867)
• Enterprise features
  • Breaking changes
    • [BREAKING] Underlying schema for ACL has changed. Use the upgrade tool to migrate to the new data format. (#4725)

Added

• Add GraphQL API for Dgraph accessible via the /graphql and /admin HTTP endpoints on Dgraph Alpha. (#933)
• Add support for sorting on multiple facets. Fixes #3638. (#4579)
• Expose Badger Compression Level option in Bulk Loader. (#4669)
• GraphQL Admin API: Support Backup operation. (#4706)
• GraphQL Admin API: Support export, draining, shutdown and setting lrumb operations. (#4739)
• GraphQL Admin API: duplicate /health in GraphQL /admin (#4768)
• GraphQL Admin API: Add /admin/schema endpoint (#4777)
• Perform indexing in background. (#4819)
• Basic Sentry Integration - Capture manual panics with Sentry exception and runtime panics with a wrapper on panic. (#4756)
• Ludicrous Mode. (#4872)
• Enterprise features
  • ACL: Allow users to query data for their groups, username, and permissions. (#4774)
  • ACL: Support ACL operations using the admin GraphQL API. (#4760)
  • ACL: Add tool to upgrade ACLs. (#5016)

Fixed

• Avoid running GC frequently. Only run for every 2GB of increase. Small optimizations in Bulk.reduce.
• Check response status when posting telemetry data. (#4726)
• Add support for $ in quoted string. Fixes #4695. (#4702)
• Do not include empty nodes in the export output. Fixes #3610. (#4773)
• Fix Nquad value conversion in live loader. Fixes #4468. (#4793)
• Use /tmp dir to store temporary index. Fixes #4600. (#4766)
• Properly initialize posting package in debug tool. (#4893)
• Fix bug, aggregate value var works with blank node in upsert. Fixes #4712. (#4767)
• Fix count with facets filter. Fixes #4659. (#4751)
• Change split keys to have a different prefix. Fixes #4905. (#4908)
• Various optimizations for facets filter queries. (#4923)
• Throw errors returned by retrieveValuesAndFacets. Fixes #4958. (#4970)
• Add "runInBackground" option to Alter to run indexing in background. When set to true, then the Alter call returns immediately. When set to false, the call blocks until indexing is complete. This is set to false by default. (#4981)
• Set correct posting list type while creating it in the live loader. Fixes #4889. (#5012)
• Breaking changes
  • [BREAKING] Language sorting on Indexed data. Fixes #4005. (#4316)

Dgraph v20.03.0-beta.20200320

Note: This release requires you to export and re-import data prior to upgrading or rolling back. The underlying data format has been changed.

Changed

• Report GraphQL stats from alpha. (#4607)
• During backup, collapse split posting lists into a single list. (#4682)
• Optimize computing reverse reindexing. (#4755)
• Add partition key based iterator to the bulk loader. (#4841)
• Invert s2 loop instead of rebuilding. (#4782)
• Update Badger Version. (#4935)
• Incremental Rollup and Tablet Size Calculation. (#4972)
• Track internal operations and cancel when needed. (#4916)
• Set version when rollup is called with no splits. (#4945)
• Use a different stream writer id for split keys. (#4875)
• Split posting lists recursively. (#4867)
• Enterprise features
  • Breaking changes
    • [BREAKING] Underlying schema for ACL has changed. (#4725)

Added

• Add GraphQL API for Dgraph accessible via the /graphql and /admin HTTP endpoints on Dgraph Alpha. (#933)
• Add support for sorting on multiple facets. Fixes #3638. (#4579)
• Expose Badger Compression Level option in Bulk Loader. (#4669)
• GraphQL Admin API: Support Backup operation. (#4706)
• GraphQL Admin API: Support export, draining, shutdown and setting lrumb operations. (#4739)
• GraphQL Admin API: duplicate /health in GraphQL /admin (#4768)
• GraphQL Admin API: Add /admin/schema endpoint (#4777)
• Perform indexing in background. (#4819)
• Basic Sentry Integration - Capture manual panics with Sentry exception and runtime panics with a wrapper on panic. (#4756)
• Ludicrous Mode. (#4872)
• Enterprise features
  • ACL: Allow users to query data for their groups (#4774)
  • ACL: Support ACL operations using the admin GraphQL API. (#4760)

Fixed

• Avoid running GC frequently. Only run for every 2GB of increase. Small optimizations in Bulk.reduce.
• Check response status when posting telemetry data. (#4726)
• Add support for $ in quoted string. Fixes #4695. (#4702)
• Do not include empty nodes in the export output. Fixes #3610. (#4773)
• Fix Nquad value conversion in live loader. Fixes #4468. (#4793)
• Use /tmp dir to store temporary index. Fixes #4600. (#4766)
• Properly initialize posting package in debug tool. (#4893)
• Fix bug, aggregate value var works with blank node in upsert. Fixes #4712. (#4767)
• Fix count with facets filter. Fixes #4659. (#4751)
• Change split keys to have a different prefix. Fixes #4905. (#4908)
• Various optimizations for facets filter queries. (#4923)
• Throw errors returned by retrieveValuesAndFacets. Fixes #4958. (#4970)
• Add runInBackground option to Alter to run indexing in background. When set to true, then the Alter call returns immediately. When set to false, the call blocks until indexing is complete. This is set to false by default. (#4981)
• Breaking changes
  • [BREAKING] Language sorting on Indexed data. Fixes #4005. (#4316)

Dgraph v1.2.2

Changed

• Wrap errors thrown in posting/list.go for easier debugging. (#4880)
• Print keys using hex encoding in error messages in list.go. (#4891)

Fixed

• Do not include empty nodes in the export output. (#4896)
• Fix error when lexing language list. (#4784)
• Properly initialize posting package in debug tool. (#4893)
• Handle special characters in schema and type queries. Fixes #4933. (#4937)
• Overwrite values for uid predicates. Fixes #4879. (#4883)
• Disable @* language queries when the predicate does not support langs. (#4881)
• Fix bug in exporting types with reverse predicates. Fixes #4856. (#4857)
• Do not skip over split keys. (Trying to skip over the split keys sometimes skips over keys belonging to a different split key. This is a fix just for this release as the actual fix requires changes to the data format.) (#4951)
• Fix point-in-time Prometheus metrics. Fixes #4532. (#4948)
• Split lists in the bulk loader. (#4967)
• Allow remote MySQL server with dgraph migrate tool. Fixes #4707. (#4860)
• Enterprise features
  • ACL: Allow uid access. (#4922)
  • Backups: Assign maxLeaseId during restore. Fixes #4816. (#4877)
  • Backups: Verify host when default and custom credentials are used. Fixes #4855. (#4858)
  • Backups: Split lists when restoring from backup. (#4912)

Dgraph v2.0.0-rc1

Note: This release requires you to export and re-import data prior to upgrading or rolling back. The underlying data format has been changed.

Removed

• Remove HTTP admin endpoints. The same functionality is available via GraphQL Admin API. Please see below. (#4754)

Changed

• Report GraphQL stats from alpha. (#4607)
• During backup, collapse split posting lists into a single list. (#4682)
• Enterprise features
  • Breaking changes
    • [BREAKING] Underlying schema for ACL has changed. (#4725)

Added

• Add GraphQL API for Dgraph accessible via the /graphql and /admin HTTP endpoints on Dgraph Alpha. (#933)
• Add support for sorting on multiple facets. Fixes #3638. (#4579)
• Expose Badger Compression Level option in Bulk Loader. (#4669)
• GraphQL Admin API: Support Backup operation. (#4706)
• GraphQL Admin API: Support export, draining, shutdown and setting lrumb operations. (#4739)
• GraphQL Admin API: duplicate /health in GraphQL /admin (#4768)
• GraphQL Admin API: Add /admin/schema endpoint (#4777)
• Enterprise features
  • ACL: Allow users to query data for their groups (#4774)
  • ACL: Support ACL operations using the admin GraphQL API. (#4760)

Fixed

• Avoid running GC frequently. Only run for every 2GB of increase. Small optimizations in Bulk.reduce.
• Check response status when posting telemetry data. (#4726)
• Add support for $ in quoted string. Fixes #4695. (#4702)
• Do not include empty nodes in the export output. Fixes #3610. (#4773)
• Breaking changes
  • [BREAKING] Language sorting on Indexed data. Fixes #4005. (#4316)

Dgraph v1.2.1

Fixed

• Fix bug related to posting list split, and re-enable posting list splits. Fixes #4733. (#4742)

Dgraph v2.0.0-beta1

Changed

• Report GraphQL stats from alpha. (#4607)

Added

• Add GraphQL API for Dgraph accessible via the /graphql and /admin HTTP endpoints on Dgraph Alpha. (#933)
• Add support for sorting on multiple facets. Fixes #3638. (#4579)

Fixed

• Avoid running GC frequently. Only run for every 2GB of increase. Small optimizations in Bulk.reduce.

Dgraph v1.2.0

Changed

• Allow overwriting values of predicates of type uid. Fixes #4136. (#4411)
• Algorithms to handle UidPack. (#4321)
• Improved latency in live loader using conflict resolution at client level. (#4362)
• Set ZSTD CompressionLevel to 1. (#4572)
• Enterprise features
  • Breaking changes
    • Change default behavior to block operations with ACLs enabled. (#4390)
  • Remove unauthorized predicates from query instead of rejecting the query entirely. (#4479)

Added

• Add debuginfo subcommand to dgraph. (#4464)
• Support filtering on non-indexed predicate. Fixes #4305. (#4531)
• Add support for variables in recurse. Fixes #3301. (#4385).
• Adds @noconflict schema directive to prevent conflict detection. This is an experimental feature. This is not a recommended directive, but exists to help avoid conflicts for predicates which don't have high correctness requirements. Fixes #4079. (#4454)
• Implement the state HTTP endpoint on Alpha. Login is required if ACL is enabled. (#4435).
• Implement /health?all endpoint on Alpha nodes. (#4535)
• Add /health endpoint to Zero. (#4405)
• Breaking changes
  • Support for fetching facets from value edge list. The query response format is backwards-incompatible. Fixes #4081. (#4267)
• Enterprise features
  • Add guardians group with full authorization. (#4447)

Fixed

• Infer type of schema from JSON and RDF mutations. Fixes #3788. (#4328)
• Fix retrieval of facets with cascade. Fixes #4310. (#4530)
• Do not use type keys during tablet size calculation. Fixes #4473. (#4517)
• Fix Levenshtein distance calculation with match function. Fixes #4494. (#4545)
• Add <xs:integer> RDF type for int schema type. Fixes #4460. (#4465)
• Allow @filter directive with expand queries. Fixes #3904. (#4404).
• Enterprise features
  • Backup types. Fixes #4507. (#4514)

Dgraph v1.2.0-rc1

Dgraph v1.2.0-rc1

Dgraph v1.1.1

Changed

• Breaking changes for expand() queries
  • Remove expand(_forward_) and expand(_reverse_). (#4119)
  • Change expand(_all_) functionality to only include the predicates in the type. (#4171)
• Add support for Go Modules. (#4146)
• Simplify type definitions: type definitions no longer require the type (string, int, etc.) per field name. (#4017)
• Adding log lines to help troubleshoot snapshot and rollup. (#3889)
• Add --http flag to configure pprof endpoint for live loader. (#3846)
• Use snappy compression for internal gRPC communication. (#3368)
• Periodically run GC in all dgraph commands. (#4032, #4075)
• Exit early if data files given to bulk loader are empty. (#4253)
• Add support for first and offset directive in has function. (#3970)
• Pad encData to 17 bytes before decoding. (#4066)
• Remove usage of deprecated methods. (#4076)
• Show line and column numbers for errors in HTTP API responses. (#4012)
• Do not store non-pointer values in sync.Pool. (#4089)
• Verify that all the fields in a type exist in the schema. (#4114)
• Update badger to version v2.0.0. (#4200)
• Introduce StreamDone in bulk loader. (#4297)

Enterprise features:

• ACL: Disallow schema queries when an user has not logged in. (#4107)
• Block delete if predicate permission is zero. Fixes #4265. (#4349)

Added

• Support @cascade directive at subqueries. (#4006)
• Support @normalize directive for subqueries. (#4042)
• Support val() function inside upsert mutations (both RDF and JSON). (#3877, #3947)
• Support GraphQL Variables for facet values in @facets filters. (#4061)
• Support filtering by facets on values. (#4217)
• Add ability to query expand(TypeName) only on certain types. (#3920)
• Expose numUids metrics per query to estimate query cost. (#4033)
• Upsert queries now return query results in the upsert response. (#4269, #4375)
• Add support for multiple mutations blocks in upsert blocks. (#4210)
• Add total time taken to process a query in result under "total_ns" field. (#4312)

Enterprise features:

• Add encryption-at-rest. (#4351)

Removed

• Breaking change: Remove @type directive from query language. To filter
  an edge by a type, use @filter(type(TypeName)) instead of @type(TypeName).
  (#4016)

Enterprise features:

• Remove regexp ACL rules. (#4360)

Fixed

• Avoid changing order if multiple versions of the same edge is found.
• Consider reverse count index keys for conflict detection in transactions. Fixes #3893. (#3932)
• Clear the unused variable tlsCfg. (#3937)
• Do not require the last type declaration to have a new line. (#3926)
• Verify type definitions do not have duplicate fields. Fixes #3924. (#3925)
• Fix bug in bulk loader when store_xids is true. Fixes #3922. (#3950)
• Call cancel function only if err is not nil. Fixes #3966. (#3990)
• Change the mapper output directory from $TMP/shards to $TMP/map_output. Fixes #3959. (#3960)
• Return error if keywords used as alias in groupby. (#3725)
• Fix bug where language strings are not filtered when using custom tokenizer. Fixes #3991. (#3992)
• Support named queries without query variables. Fixes #3994. (#4028)
• Correctly set up client connection in x package. (#4036)
• Fix data race in regular expression processing. Fixes #4030. (#4065)
• Check for n.Raft() to be nil, Fixes #4053. (#4084)
• Fix file and directory permissions for bulk loader. (#4088)
• Ensure that clients can send OpenCensus spans over to the server. (#4144)
• Change lexer to allow unicode escape sequences. Fixes #4157.(#4175)
• Handle the count(uid) subgraph correctly. Fixes #4038. (#4122)
• Don't traverse immutable layer while calling iterate if deleteBelowTs > 0. Fixes #4182. (#4204)
• Bulk loader allocates reserved predicates in first reduce shard. Fixes #3968. (#4202)
• Only allow one alias per predicate. (#4236)
• Change member removal logic to remove members only once. (#4254)
• Disallow uid as a predicate name. (#4219)
• Drain apply channel when a snapshot is received. (#4273)
• Added RegExp filter to func name. Fixes #3268. (#4230)
• Acquire read lock instead of exclusive lock for langBaseCache. (#4279)
• Added proper handling of int and float for math op. #4132. (#4257)
• Don't delete group if there is no member in the group. (#4274)
• Sort alphabets of languages for non indexed fields. Fixes #4005. (#4260)
• Copy xid string to reduce memory usage in bulk loader. (#4287)
• Adding more details for mutation error messages with scalar/uid type mismatch. (#4317)
• Limit UIDs per variable in upsert. Fixes #4021. (#4268)
• Return error instead of panic when geo data is corrupted. Fixes #3740. (#4318)
• Use txn writer to write schema postings. (#4296)
• Fix connection log message in dgraph alpha from "CONNECTED" to "CONNECTING" when establishing a connection to a peer. Fixes #4298. (#4303)
• Fix segmentation fault in backup. (#4314)
• Close store after stopping worker. (#4356)
• Don't pre allocate mutation map. (#4343)
• Cmd: fix config file from env variable issue in subcommands. Fixes #4311. (#4344)
• Fix segmentation fault in Alpha. Fixes #4288. (#4394)
• Fix handling of depth parameter for shortest path query for numpaths=1 case. Fixes #4169. (#4347)
• Do not return dgo.ErrAborted when client calls txn.Discard(). (#4389)
• Fix has pagination when predicate is queried with @lang. Fixes #4282. (#4331)
• Make uid function work with value variables in upsert blocks. Fixes #4424. (#4425)

Enterprise features:

• Fix bug when overriding credentials in backup request. Fixes #4044. (#4047)
• Create restore directory when running "dgraph restore". Fixes #4315. (#4352)
• Write group_id files to postings directories during restore. (#4365)

Dgraph v1.0.18

Fixed

• Preserve the order of entries in a mutation if multiple versions of the same
  edge are found. This addresses the mutation re-ordering change (#2987) from v1.0.15.
• Fixing the zero client in live loader to avoid using TLS. Fixes #3919. (#3936)
• Remove query cache which is causing contention. (#4071).
• Fix bug when querying with nested levels of expand(_all_). Fixes #3807. (#4143).
• Vendor in Badger to fix a vlog bug "Unable to find log file". (#4212)
• Change lexer to allow unicode escape sequences. Fixes #4157. (#4252)