chore(deps): update mikro-orm monorepo to v6.6.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@mikro-orm/core (source)	6.4.5 -> 6.6.0
@mikro-orm/mongodb (source)	6.4.5 -> 6.6.0
@mikro-orm/mysql (source)	6.4.5 -> 6.6.0

---

Release Notes

mikro-orm/mikro-orm (@​mikro-orm/core)

v6.6.0

Compare Source

Bug Fixes

• core: do not ignore updating the whole inlined embedded property to null (d0913f1), closes #​6966
• core: ensure base properties in STI entities won't be ignored when overridden in one child (b31ffec), closes #​6957
• core: ensure original entity data are in correct shape after merging (7a30cca), closes #​6951
• core: rehydrate nullable to-one properties that were discarded via filters with select-in strategy (3d58538), closes #​6460
• core: support falsy values in scalar references (#​6942) (a02c2a8)
• core: support type detection on classes with dots in their names like Temporal.Instant (8cca4a8), closes #​6953
• postgres: allow executing schema queries via knex in migrations (5196f24), closes #​6949
• reflection: support string literal properties (#​6960) (148ac75)

Features

• core: allow control over relation filters in entity definition (#​6959) (28a7e44), closes #​6457
• core: allow defining filters on nullable relations as strict (#​6952) (1dae6cf), closes #​6784 #​6943 #​6784
• core: allow disabling filters on relations (7798e57), closes #​6457
• core: support private properties with get/set accessors (#​6967) (659ca93), closes #​6932
• entity-generator: allow generating enums as type or JS dictionary (#​6956) (ccf24df), closes #​6457
• entity-generator: support generating defineEntity() definitions (#​6954) (d523f13)
• entity-generator: support native postgres enums (#​6958) (746e4bf)
• knex: reexport raw helper that supports QueryBuilder and Knex.QueryBuilder (#​6955) (897cc7f), closes #​6751 #​6782
• postgres: skip left joined relations from pessimistic locks automatically (ffb71a1), closes #​6412

6.5.9 (2025-10-23)

Bug Fixes

• core: add some missing options to defineEntity relation builders (#​6922) (3bedcca)
• core: ensure correct state of custom typed data after merging to existing results (5907da0), closes #​6926
• core: fix extra updates caused by em.refresh (3d12a8b), closes #​6940
• core: support auto-discovery of relation targets with defineEntity (a93f2e0)
• core: support custom classes in defineEntity relation property builders (8a03eca)
• core: update extends type in defineEntity and EntitySchema (#​6936) (589d0f3)
• postgres: do not create non-autoincrement simple PKs twice (89e139e)

6.5.8 (2025-10-13)

Bug Fixes

• core: don't skip diffing of non-hydrated properties (4a46bd8), closes #​6918
• core: enhance mapToPk() and remove default ref: true in defineEntity helper (#​6919) (f0d4e8e)
• core: improve auto flush detection for STI base classes (da5e993)
• core: rework support for partial loading of embedded properties (29091aa), closes #​6907
• core: support class-based entity definitions with defineEntity (#​6920) (aa7295e), closes /github.com/mikro-orm/mikro-orm/discussions/6865#discussioncomment-14465227
• mongo: support indexes on JSON properties (a9edc05), closes #​6899
• mongo: support upsert with nested onConflictFields on JSON properties (4eab82e), closes #​6900
• query-builder: do not ignore nested joins inside nested joins (a37d6fa)
• schema: fix down migrations with createForeignKeyConstraint property option (23e898b), closes #​6903
• schema: support raw fragments in check constraint expressions (ff360b0), closes #​6914

Features

• core: improve type-level support for composite keys with defineEntity helper (#​6912) (2d39dd0)

6.5.7 (2025-10-06)

Bug Fixes

• core: enhance branded type definitions for Opt, Hidden, Config and RequiredNullable (#​6884) (6ce418d)
• core: ensure nullable ScalarReference properties are loaded as initialized ScalarReference instances (#​6902) (51feb3b), closes #​6885
• core: mark autoincrement properties with Opt type in defineEntity helper (#​6910) (e2a8ed4)
• core: prefer id property over uuid property for default PK inference (7a9c834), closes #​6865
• core: skip entity validation when propagating to upper context in em.transactional (a3941a1), closes #​6895
• query-builder: expand embeddable fields on select (#​6896) (6b76f60)
• query-builder: support embedded fields in join conditions (#​6897) (409e0ef), closes #​6883

Features

• mongo: implement optimistic locking support for version properties (#​6887) (591fb43), closes #​3612 mikro-orm/mikro-orm#3612

Performance Improvements

• optimize merging of entities to upper context after em.transactional (36bdc43), closes #​6905
• optimize merging of entities to upper context after em.transactional (b29e88c), closes #​6890
• optimize merging of entities to upper context after em.transactional when it's empty (b7751d5), closes #​6890

6.5.6 (2025-09-25)

Bug Fixes

• core: account for nullability when applying default value (#​6880) (9763275), closes #​6879
• core: enhance type of bigint, array, decimal properties when using defineEntity helper (#​6873) (42e7df1), closes /github.com/mikro-orm/mikro-orm/discussions/6865#discussioncomment-14483413
• core: ensure em.refresh will refresh detached entities too (c156e30), closes #​6867
• core: prevent stack overflow errors when populating relations on lots of entities with select-in strategy (#​6874) (d5c23c7)

Features

• core: allow sha256 hashing in FileCacheAdapter (#​6866) (21d364d)
• schema: add skipTables and skipColumns options to schema generator (#​6870) (5937ab6), closes #​5346

6.5.5 (2025-09-21)

Bug Fixes

• core: add missing IncludeCount type argument to repo.findByCursor() (34c9630)
• core: correctly diff nullable properties between undefined and null (#​6864) (c30d1c9)
• core: skip mapping undeclared columns that match a different property name (#​6860) (b29527e), closes #​6861
• schema: improve diffing of generated columns (9a59ba6), closes #​6858

6.5.4 (2025-09-17)

Bug Fixes

• core: initialize collection properties after flushing an entity reference (83ca9c1), closes #​6855
• core: support inference of default value from property initializer with ref() (56e441d), closes #​6853
• query-builder: fix aliasing of 1:1 inverse side when used in a filter nested inside M:N relation (61969f6), closes #​6851

6.5.3 (2025-09-13)

Bug Fixes

• core: align implementation of filters in em.find and em.count (ead5074), closes #​6823
• core: export RequiredNullable from @mikro-orm/core (#​6836) (961ee74)
• core: fix propagation from em.transactional with composite custom type PK (0b82f43), closes #​6825
• core: include hidden properties when refreshing via em.refresh() (9a7bbc3), closes #​6828
• query-builder: properly wrap composite keys in join conditions (#​6831) (b720ca5), closes #​6830
• query-builder: skip branching on to-one joins (#​6826) (65812c4), closes #​6824

6.5.2 (2025-09-02)

Bug Fixes

• core: process owning sides of M:N relations in em.assign with onlyOwnProperties (#​6822) (099869f), closes #​6813
• migrations: improve extraction of Migration class (2dacc4b), closes #​6817
• query-builder: fix aliasing of conditions targeting a nested composite FK (b159342), closes #​6819
• query-builder: fix join conditions targeting a composite FK (3f88e9b), closes #​6819
• query-builder: fix processing deeply nested joins (d033729), closes #​6818
• query-builder: hydrate lazy properties regardless of populate hint (8b45281)

6.5.1 (2025-08-27)

• core: add indexName argument to index expression callback (b77c90f)

v6.5.9

Compare Source

Bug Fixes

• core: add some missing options to defineEntity relation builders (#​6922) (3bedcca)
• core: ensure correct state of custom typed data after merging to existing results (5907da0), closes #​6926
• core: fix extra updates caused by em.refresh (3d12a8b), closes #​6940
• core: support auto-discovery of relation targets with defineEntity (a93f2e0)
• core: support custom classes in defineEntity relation property builders (8a03eca)
• core: update extends type in defineEntity and EntitySchema (#​6936) (589d0f3)
• postgres: do not create non-autoincrement simple PKs twice (89e139e)

v6.5.8

Compare Source

Bug Fixes

• core: don't skip diffing of non-hydrated properties (4a46bd8), closes #​6918
• core: enhance mapToPk() and remove default ref: true in defineEntity helper (#​6919) (f0d4e8e)
• core: improve auto flush detection for STI base classes (da5e993)
• core: rework support for partial loading of embedded properties (29091aa), closes #​6907
• core: support class-based entity definitions with defineEntity (#​6920) (aa7295e), closes /github.com/mikro-orm/mikro-orm/discussions/6865#discussioncomment-14465227
• mongo: support indexes on JSON properties (a9edc05), closes #​6899
• mongo: support upsert with nested onConflictFields on JSON properties (4eab82e), closes #​6900
• query-builder: do not ignore nested joins inside nested joins (a37d6fa)
• schema: fix down migrations with createForeignKeyConstraint property option (23e898b), closes #​6903
• schema: support raw fragments in check constraint expressions (ff360b0), closes #​6914

Features

• core: improve type-level support for composite keys with defineEntity helper (#​6912) (2d39dd0)

v6.5.7

Compare Source

Bug Fixes

• core: enhance branded type definitions for Opt, Hidden, Config and RequiredNullable (#​6884) (6ce418d)
• core: ensure nullable ScalarReference properties are loaded as initialized ScalarReference instances (#​6902) (51feb3b), closes #​6885
• core: mark autoincrement properties with Opt type in defineEntity helper (#​6910) (e2a8ed4)
• core: prefer id property over uuid property for default PK inference (7a9c834), closes #​6865
• core: skip entity validation when propagating to upper context in em.transactional (a3941a1), closes #​6895
• query-builder: expand embeddable fields on select (#​6896) (6b76f60)
• query-builder: support embedded fields in join conditions (#​6897) (409e0ef), closes #​6883

Features

• mongo: implement optimistic locking support for version properties (#​6887) (591fb43), closes #​3612 mikro-orm/mikro-orm#3612

Performance Improvements

• optimize merging of entities to upper context after em.transactional (36bdc43), closes #​6905
• optimize merging of entities to upper context after em.transactional (b29e88c), closes #​6890
• optimize merging of entities to upper context after em.transactional when it's empty (b7751d5), closes #​6890

v6.5.6

Compare Source

Bug Fixes

• core: account for nullability when applying default value (#​6880) (9763275), closes #​6879
• core: enhance type of bigint, array, decimal properties when using defineEntity helper (#​6873) (42e7df1), closes /github.com/mikro-orm/mikro-orm/discussions/6865#discussioncomment-14483413
• core: ensure em.refresh will refresh detached entities too (c156e30), closes #​6867
• core: prevent stack overflow errors when populating relations on lots of entities with select-in strategy (#​6874) (d5c23c7)

Features

• core: allow sha256 hashing in FileCacheAdapter (#​6866) (21d364d)
• schema: add skipTables and skipColumns options to schema generator (#​6870) (5937ab6), closes #​5346

v6.5.5

Compare Source

Bug Fixes

• core: add missing IncludeCount type argument to repo.findByCursor() (34c9630)
• core: correctly diff nullable properties between undefined and null (#​6864) (c30d1c9)
• core: skip mapping undeclared columns that match a different property name (#​6860) (b29527e), closes #​6861
• schema: improve diffing of generated columns (9a59ba6), closes #​6858

v6.5.4

Compare Source

Bug Fixes

• core: initialize collection properties after flushing an entity reference (83ca9c1), closes #​6855
• core: support inference of default value from property initializer with ref() (56e441d), closes #​6853
• query-builder: fix aliasing of 1:1 inverse side when used in a filter nested inside M:N relation (61969f6), closes #​6851

v6.5.3

Compare Source

Bug Fixes

• core: align implementation of filters in em.find and em.count (ead5074), closes #​6823
• core: export RequiredNullable from @mikro-orm/core (#​6836) (961ee74)
• core: fix propagation from em.transactional with composite custom type PK (0b82f43), closes #​6825
• core: include hidden properties when refreshing via em.refresh() (9a7bbc3), closes #​6828
• query-builder: properly wrap composite keys in join conditions (#​6831) (b720ca5), closes #​6830
• query-builder: skip branching on to-one joins (#​6826) (65812c4), closes #​6824

v6.5.2

Compare Source

Bug Fixes

• core: process owning sides of M:N relations in em.assign with onlyOwnProperties (#​6822) (099869f), closes #​6813
• migrations: improve extraction of Migration class (2dacc4b), closes #​6817
• query-builder: fix aliasing of conditions targeting a nested composite FK (b159342), closes #​6819
• query-builder: fix join conditions targeting a composite FK (3f88e9b), closes #​6819
• query-builder: fix processing deeply nested joins (d033729), closes #​6818
• query-builder: hydrate lazy properties regardless of populate hint (8b45281)

v6.5.1

Compare Source

• core: add indexName argument to index expression callback (b77c90f)

v6.5.0

Compare Source

Bug Fixes

• core: allow querying embeddables for null values via collection operators (d7b25a7), closes #​6736
• core: do not fail version mismatch checks when getting the current version fails (086d767), closes #​6765
• core: do not propagate changes to collections when partially loaded (7068b35), closes #​6732 #​6734
• core: ensure em.transactional context propagation won't result in breaking identity map (2b608fc), closes #​6764
• core: ensure correct runtime value of decimal and float properties (#​6807) (7cd8b1c), closes #​6806 #​6806
• core: fix extra updates after em.refresh on nested entities with embeddables (640985c), closes #​6705
• core: fix fetching of autoincrement PK when upserting without a unique value (0dccac7), closes #​6755
• core: fix hydration with select-in strategy and PKs with custom types (#​6808) (4770462), closes #​6726
• core: fix querying by a nested FK as PK (c2c5bfd)
• core: hydrate persisted getters without setters unless explicitly disabled (459329a), closes #​6723
• core: ignore properties with hydrate: false from change tracking (4a6fb9b), closes #​6723
• core: improve detection of empty flush (6debac9)
• core: respect joined filters in em.count (323ffef), closes #​6666
• core: respect logger context in queries from flush and others (#​6777) (083a1ee), closes #​6776
• core: support cursor based pagination with ScalarReference properties (84d20b1), closes #​6793
• core: use default for missing values in multi insert for custom types (eae635f), closes #​6727
• postgres: quote string array values with '' instead of \' (4bc1c9e)
• postgres: support primary key with generated identity columns (382d5b3), closes #​6693
• query-builder: fix qb.leftJoinAndSelect with a subquery on M:N relations (aa52abb)
• query-builder: fix hydrating 1:1 inverse side via joined strategy (d48359c)
• query-builder: support group operators inside join conditions (#​6796) (efe5a56), closes #​6795
• reflection: unwrap runtimeType to support correct hydration of scalar references (ff6a7ae), closes #​5557
• reflection: unwrap ScalarRef<T> and EntityRef<T> type (6b1a349), closes #​5557
• schema: properly handle array defaults in mysql (#​6703) (534193c), closes #​6688
• sql: correctly handle lazy scalar properties with custom types (#​6715) (c8add75)
• sql: fix computing order by clause when ordering by a not populated relation (b8a7984), closes #​6757

Features

• core: add balanced loading strategy (#​6787) (a7bff86), closes #​6129
• core: add loadOrFail to ScalarReference wrapper (#​6716) (dcff19f)
• core: add RequiredNullable helper type (#​6756) (71f5153), closes 6744
• core: add comprehensive transaction propagation support (#​6802) (19ebac4), closes #​6788
• core: allow defining entities with inferred interfaces (#​6253) (1e6961a), closes #​6242
• core: allow triggering onCreate hooks during em.create (#​6263) (1a2cc2e)
• core: support contextName in @Transactional decorator (#​6719) (9ce9499)
• schema: allow disabling foreign key constraint creation, per relation (#​6702) (79e6cb0), closes 2548
• schema: allow wilcard-schema friendly index expression (#​6706) (688043a), closes #​6446
• sql: refactor handling of filters on relations (2d1b889), closes #​6760 #​6784

Performance Improvements

• core: make em.refresh faster for reloading large entity graphs (a44f671)
• sql: speed up hydration of large to-many collections with joined strategy (#​6801) (5faf30c)

6.4.16 (2025-05-30)

Bug Fixes

• core: fix extra updates after em.refresh is called on properties with custom types (6a6167e), closes #​6674
• core: fix implicit serialization when multiple populate hints are present (dbf8f3c), closes #​6658
• core: support custom types in type option of version properties (bd31fb6)
• core: unlink old 1:1 relation on the owning side when changing inverse side (2f292cc), closes #​6655
• core: use explicit dataloader for M:N properties (6372e4c), closes #​6665

Features

• mssql: allow inserting when triggers are present in mssql tables (#​6662) (efafb9b)
• query-builder: validate wrong group operator position on scalar properties (0f5ce3d), closes #​6684

6.4.15 (2025-05-09)

Bug Fixes

• cli: improve detection of dependency versions for debug command (2a8bcce)
• core: support dataloader for M:N without inverse side (#​6053) (c319f1c), closes #​6031 #​6502 #​6503
• postgres: don't lowercase native enum labels when schema diffing (469ff02), closes #​6643
• query-builder: fix missing alias when joining relations via populateWhere (6dd3ec7), closes #​6635

Features

• core: allow overriding embedded column name (#​6642) (8b52077), closes #​5361 #​6641

6.4.14 (2025-05-05)

Bug Fixes

• core: add support for zero count result cache (#​6600) (3a8fdff)
• core: copy EntitySchema before processing the metadata (cbf4a7f), closes #​6540
• core: disallow passing array items to scalar array properties in em.create and em.assign (1455027), closes #​6609
• core: don't remove generated primary keys from entity snapshot (980e53e), closes #​6593
• core: enforce correct runtime type when object gets inferred (6e46afa), closes #​6633
• core: fix orderBy value type (06f1a72)
• core: respect null as a valid cache result (#​6585) (e3bb8e4), closes #​6584
• core: respect schema option when loading missing fields on upsert (3bd72ea), closes #​6622
• mssql: handle mapping for order by expressions with nulls first/last ([#​6618](https://redirect.github.com/mikro-orm/mikro-orm/issues/

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