ExtendDB on 2026-07-14

BatchGetItem - legal shared-prefix projections accepts distinct list indices (l[0], l[1]) and returns both elements in order

Tier 1 batchGetItem tests/tier1/batchGetItem/projection.test.ts:75

BatchWriteItem - validation rejects a wrong-typed index key value

Tier 1 batchWriteItem tests/tier1/batchWriteItem/validation.test.ts:144

BatchWriteItem - validation rejects a non-scalar index key value

Tier 1 batchWriteItem tests/tier1/batchWriteItem/validation.test.ts:164

BatchWriteItem - validation rejects an empty-string index key value

Tier 1 batchWriteItem tests/tier1/batchWriteItem/validation.test.ts:184

CreateTable - validation rejects a GSI INCLUDE projection without NonKeyAttributes

Tier 1 createTable tests/tier1/createTable/basic.test.ts:262

CreateTable - validation rejects StreamSpecification with StreamEnabled false plus a StreamViewType

Tier 1 createTable tests/tier1/createTable/basic.test.ts:288

CreateTable - configuration parameters TableClass STANDARD_INFREQUENT_ACCESS round-trips

Tier 1 createTable tests/tier1/createTable/config.test.ts:50

CreateTable - configuration parameters SSESpecification with the AWS-managed key round-trips

Tier 1 createTable tests/tier1/createTable/config.test.ts:61

CreateTable - configuration parameters OnDemandThroughput round-trips on a PAY_PER_REQUEST table

Tier 1 createTable tests/tier1/createTable/config.test.ts:76

CreateTable - LSI rejects an LSI INCLUDE projection without NonKeyAttributes

Tier 1 createTable tests/tier1/createTable/lsi.test.ts:117

CreateTable - index and stream spec validation rejects a KEYS_ONLY GSI projection carrying NonKeyAttributes

Tier 1 createTable tests/tier1/createTable/specValidation.test.ts:31

ConsumedCapacity - single-item ops report only the aggregate, no read/write split a strongly-consistent GetItem reports 1 CapacityUnit and no read/write split

Tier 1 getItem tests/tier1/getItem/consumedCapacity.test.ts:220

ConsumedCapacity - single-item ops report only the aggregate, no read/write split an eventually-consistent GetItem reports 0.5 CapacityUnits and no read/write split

Tier 1 getItem tests/tier1/getItem/consumedCapacity.test.ts:232

ConsumedCapacity - single-item ops report only the aggregate, no read/write split a Query under INDEXES omits the split at the top level and on Table

Tier 1 getItem tests/tier1/getItem/consumedCapacity.test.ts:246

ConsumedCapacity - single-item ops report only the aggregate, no read/write split an UpdateItem reports 1 CapacityUnit and no read/write split

Tier 1 getItem tests/tier1/getItem/consumedCapacity.test.ts:261

ConsumedCapacity - single-item ops report only the aggregate, no read/write split a DeleteItem reports 1 CapacityUnit and no read/write split

Tier 1 getItem tests/tier1/getItem/consumedCapacity.test.ts:272

Nested attribute projection GetItem projects multiple list indices compacted and index-ordered

Tier 1 getItem tests/tier1/getItem/projection.test.ts:96

Same list-index projection merge GetItem keeps distinct inner list indices separate under one shared outer index

Tier 1 getItem tests/tier1/getItem/projection.test.ts:389

Same list-index projection merge GetItem merges the shared index and keeps a distinct index separate, compacted

Tier 1 getItem tests/tier1/getItem/projection.test.ts:409

ReturnConsumedCapacity - PutItem reports only the aggregate, no write-capacity split PutItem with TOTAL reports 1 CapacityUnit and no read/write split

Tier 1 putItem tests/tier1/putItem/consumedCapacity.test.ts:171

ReturnConsumedCapacity - PutItem reports only the aggregate, no write-capacity split PutItem with INDEXES omits the split at the top level and on Table

Tier 1 putItem tests/tier1/putItem/consumedCapacity.test.ts:182

PutItem - number format rejects "+e2"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "e2"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "+1+2"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "1+2"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "+1.2.3"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "1.2.3"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "++5"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "+-5"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "-+5"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "+"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "-"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "1e"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "1e+"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "."

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "1.2e3.4"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "0x5"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "NaN"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "Infinity"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "1_000"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects " 5"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "5 "

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - number format rejects "1 5"

Tier 1 putItem tests/tier1/putItem/numberFormat.test.ts:93

PutItem - validation rejects a wrong-typed index key attribute

Tier 1 putItem tests/tier1/putItem/validation.test.ts:189

PutItem - validation rejects a non-scalar index key attribute

Tier 1 putItem tests/tier1/putItem/validation.test.ts:202

PutItem - validation rejects an empty-string index key attribute

Tier 1 putItem tests/tier1/putItem/validation.test.ts:218

PutItem - validation rejects a number with a leading space

Tier 1 putItem tests/tier1/putItem/validation.test.ts:231

PutItem - validation rejects a number with a trailing space

Tier 1 putItem tests/tier1/putItem/validation.test.ts:238

Query - GSI pagination across tied sort keys composes LastEvaluatedKey from base and index keys and walks every tied item once

Tier 1 query tests/tier1/query/gsi.test.ts:252

Query - hash-only GSI pagination on a composite base table walks every item across pages when they share the GSI hash and base partition key

Tier 1 query tests/tier1/query/gsiHashOnlyPagination.test.ts:79

Query - KeyConditionExpression semantics rejects a nested path on a key attribute

Tier 1 query tests/tier1/query/keyConditionSemantics.test.ts:50

Query - LSI pagination across tied sort keys composes LastEvaluatedKey from base and index keys and walks every tied item once

Tier 1 query tests/tier1/query/lsi.test.ts:314

Query - legal shared-prefix projections accepts distinct list indices (l[0], l[1]) and returns both elements in order

Tier 1 query tests/tier1/query/projection.test.ts:70

Query - Select / ProjectionExpression rejections Select ALL_ATTRIBUTES with ProjectionExpression is rejected

Tier 1 query tests/tier1/query/select.test.ts:235

Query - Select / ProjectionExpression rejections Select ALL_PROJECTED_ATTRIBUTES without an IndexName is rejected

Tier 1 query tests/tier1/query/select.test.ts:253

Query - Select / ProjectionExpression rejections Select COUNT with ProjectionExpression is rejected

Tier 1 query tests/tier1/query/select.test.ts:270

Query - Select / ProjectionExpression rejections Select ALL_PROJECTED_ATTRIBUTES with ProjectionExpression and no IndexName is rejected

Tier 1 query tests/tier1/query/select.test.ts:289

Scan - GSI pagination across tied sort keys walks every item once across a paged GSI scan with tied sort keys

Tier 1 scan tests/tier1/scan/gsiPagination.test.ts:202

Scan - legal shared-prefix projections accepts distinct list indices (l[0], l[1]) and returns both elements in order

Tier 1 scan tests/tier1/scan/projection.test.ts:72

Scan - Select / ProjectionExpression rejections Select ALL_ATTRIBUTES with ProjectionExpression is rejected

Tier 1 scan tests/tier1/scan/select.test.ts:70

Scan - Select / ProjectionExpression rejections Select ALL_PROJECTED_ATTRIBUTES without an IndexName is rejected

Tier 1 scan tests/tier1/scan/select.test.ts:85

Scan - Select / ProjectionExpression rejections Select COUNT with ProjectionExpression is rejected

Tier 1 scan tests/tier1/scan/select.test.ts:99

Scan - Select / ProjectionExpression rejections Select ALL_PROJECTED_ATTRIBUTES with ProjectionExpression and no IndexName is rejected

Tier 1 scan tests/tier1/scan/select.test.ts:115

Scan - Select / ProjectionExpression rejections Select SPECIFIC_ATTRIBUTES without ProjectionExpression is rejected

Tier 1 scan tests/tier1/scan/select.test.ts:132

Scan - validation rejects TotalSegments above the maximum

Tier 1 scan tests/tier1/scan/validation.test.ts:20

UpdateItem - SET evaluation semantics a second SET clause reads the pre-update value of another attribute

Tier 1 updateItem tests/tier1/updateItem/basic.test.ts:814

UpdateItem - SET evaluation semantics applies parenthesised arithmetic (SET c = (c - :v))

Tier 1 updateItem tests/tier1/updateItem/basic.test.ts:826

UpdateTable - configuration parameters UpdateTable changes TableClass

Tier 1 updateTable tests/tier1/updateTable/config.test.ts:57

UpdateTable - configuration parameters UpdateTable changes OnDemandThroughput

Tier 1 updateTable tests/tier1/updateTable/config.test.ts:72

On-demand backups - lifecycle and restore RestoreTableFromBackup initiates a restore into a new table

Tier 2 backups tests/tier2/backups/onDemand.test.ts:114

On-demand backups - lifecycle and restore DescribeBackup on a deleted backup throws BackupNotFoundException

Tier 2 backups tests/tier2/backups/onDemand.test.ts:130

TransactWriteItems - validation Put with a wrong-typed index key cancels with a ValidationError reason

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts:753

TransactWriteItems - validation Put with a non-scalar index key cancels with a ValidationError reason

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts:753

TransactWriteItems - validation Update setting a wrong-typed index key cancels with a ValidationError reason

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts:753

TransactWriteItems - validation Update setting a non-scalar index key cancels with a ValidationError reason

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts:753

TransactWriteItems - validation Put with an empty-string index key is a top-level ValidationException

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts:838

TransactWriteItems - validation Update setting an empty-string index key is a top-level ValidationException

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts:857

TransactWriteItems - validation Update with an empty-string Key is a top-level ValidationException

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts

TransactWriteItems - validation Delete with an empty-string Key is a top-level ValidationException

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts

TransactWriteItems - validation ConditionCheck with an empty-string Key is a top-level ValidationException

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts

TransactWriteItems - ConsumedCapacity: conditional, check, replay, cancel reports write capacity on the first call and read capacity on a same-token replay

Tier 2 transactions tests/tier2/transactions/transactWrite.test.ts:1489

UpdateTable - add GSI adds multiple GSIs sequentially

Tier 2 updateTable tests/tier2/updateTable/gsi.test.ts:419

UpdateTable - add GSI accepts a conflicting redeclaration of an existing key attribute and keeps the stored type

Tier 2 updateTable tests/tier2/updateTable/gsi.test.ts:475

UpdateTable - add GSI drops an unused AttributeDefinition supplied with a GSI add

Tier 2 updateTable tests/tier2/updateTable/gsi.test.ts:546

UpdateTable - remove GSI removes a GSI from a table

Tier 2 updateTable tests/tier2/updateTable/gsi.test.ts:607

BatchGetItem - exact error messages mixing ProjectionExpression on one table and AttributesToGet on another is rejected

Tier 3 error-messages tests/tier3/error-messages/batchGetItem.test.ts:155

BatchGetItem - ProjectionExpression rejection messages duplicate paths (a, a) reject even when the key matches no item

Tier 3 error-messages tests/tier3/error-messages/batchGetItem.test.ts:184

BatchGetItem - ProjectionExpression rejection messages two distinct aliases resolving to one attribute (#a, #b -> a): rejected on the resolved names

Tier 3 error-messages tests/tier3/error-messages/batchGetItem.test.ts:197

BatchGetItem - ProjectionExpression rejection messages overlapping parent and child paths (a, a.b): full overlap message

Tier 3 error-messages tests/tier3/error-messages/batchGetItem.test.ts:210

BatchGetItem - ProjectionExpression rejection messages a bad projection on one table entry rejects the whole batch despite a clean entry on another

Tier 3 error-messages tests/tier3/error-messages/batchGetItem.test.ts:239

BatchWriteItem - exact error messages wrong-typed index key: full type-mismatch message

Tier 3 error-messages tests/tier3/error-messages/batchWriteItem.test.ts:138

BatchWriteItem - exact error messages non-scalar index key: full type-mismatch message

Tier 3 error-messages tests/tier3/error-messages/batchWriteItem.test.ts:138

BatchWriteItem - exact error messages empty-string index key: full secondary-index-key message

Tier 3 error-messages tests/tier3/error-messages/batchWriteItem.test.ts:137

BatchWriteItem - exact error messages empty-binary index key: full secondary-index-key message

Tier 3 error-messages tests/tier3/error-messages/batchWriteItem.test.ts:137

CreateTable - exact error messages GSI INCLUDE projection without NonKeyAttributes: full missing-attributes message

Tier 3 error-messages tests/tier3/error-messages/createTable.test.ts:282

CreateTable - exact error messages LSI INCLUDE projection without NonKeyAttributes: full missing-attributes message

Tier 3 error-messages tests/tier3/error-messages/createTable.test.ts:321

CreateTable - exact error messages StreamSpecification StreamEnabled:false with a StreamViewType: full conflict message

Tier 3 error-messages tests/tier3/error-messages/createTable.test.ts:345

GetItem - ProjectionExpression rejection messages raw duplicate paths (a, a): full overlap message with the path on both sides

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:115

GetItem - ProjectionExpression rejection messages same alias twice (#a, #a): full overlap message

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:128

GetItem - ProjectionExpression rejection messages two distinct aliases resolving to one attribute (#a, #b -> a): rejected on the resolved names

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:146

GetItem - ProjectionExpression rejection messages raw path plus alias for the same attribute (a, #a): full overlap message

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:159

GetItem - ProjectionExpression rejection messages raw parent and child paths (a, a.b): full overlap message

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:172

GetItem - ProjectionExpression rejection messages aliased parent and child paths (#a, #a.#b): full overlap message

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:185

GetItem - ProjectionExpression rejection messages child before parent (a.b, a): rejected with the paths in request order

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:198

GetItem - ProjectionExpression rejection messages cross-alias overlap (#x, #y.#b with #x and #y -> a): rejected on the resolved paths

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:211

GetItem - ProjectionExpression rejection messages deep overlap (a, a.b.c): full overlap message with the three-element path

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:224

GetItem - ProjectionExpression rejection messages list parent and list index (l, l[0]): rejected as an overlap

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:241

GetItem - ProjectionExpression rejection messages undefined attribute name (#undef): full undefined-name message

Tier 3 error-messages tests/tier3/error-messages/getItem.test.ts:254

PutItem - exact error messages empty string member in NS: numeric conversion error

Tier 3 error-messages tests/tier3/error-messages/putItem.test.ts:197

PutItem - exact error messages duplicate zero-length members in BS: full duplicates error

Tier 3 error-messages tests/tier3/error-messages/putItem.test.ts:245

PutItem - exact error messages NULL attr with false is accepted and normalises to NULL true

Tier 3 error-messages tests/tier3/error-messages/putItem.test.ts:255

PutItem - exact error messages empty-binary index key value: full secondary-index-key message

Tier 3 error-messages tests/tier3/error-messages/putItem.test.ts:384

Query - ProjectionExpression rejection messages duplicate paths (a, a) reject even when the key condition matches no partition

Tier 3 error-messages tests/tier3/error-messages/query.test.ts:269

Query - ProjectionExpression rejection messages two distinct aliases resolving to one attribute (#a, #b -> a): rejected on the resolved names

Tier 3 error-messages tests/tier3/error-messages/query.test.ts:282

Query - ProjectionExpression rejection messages overlapping parent and child paths (a, a.b) reject even when the key condition matches no partition

Tier 3 error-messages tests/tier3/error-messages/query.test.ts:295

Query - ProjectionExpression rejection messages duplicate paths still reject when the key condition matches a partition (control)

Tier 3 error-messages tests/tier3/error-messages/query.test.ts:318

Scan - exact error messages Select SPECIFIC_ATTRIBUTES without ProjectionExpression: full required-projection message

Tier 3 error-messages tests/tier3/error-messages/scan.test.ts:199

Scan - ProjectionExpression rejection messages duplicate paths (a, a) reject even when the filter matches nothing

Tier 3 error-messages tests/tier3/error-messages/scan.test.ts:235

Scan - ProjectionExpression rejection messages two distinct aliases resolving to one attribute (#a, #b -> a): rejected on the resolved names

Tier 3 error-messages tests/tier3/error-messages/scan.test.ts:248

Scan - ProjectionExpression rejection messages overlapping parent and child paths (a, a.b) reject even when the filter matches nothing

Tier 3 error-messages tests/tier3/error-messages/scan.test.ts:261

Scan - ProjectionExpression rejection messages rejects an undefined projection name even when the scan matches nothing

Tier 3 error-messages tests/tier3/error-messages/scan.test.ts:276

Scan - ProjectionExpression rejection messages duplicate paths still reject when the filter matches a row (control)

Tier 3 error-messages tests/tier3/error-messages/scan.test.ts:299

TransactWriteItems - exact error messages Put wrong-typed table key: cancelled with full ValidationError reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages Put non-scalar table key: cancelled with full ValidationError reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages Put wrong-typed index key: cancelled with full ValidationError reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:259

TransactWriteItems - exact error messages Put non-scalar index key: cancelled with full ValidationError reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:259

TransactWriteItems - exact error messages Update wrong-typed index key: cancelled with full ValidationError reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:259

TransactWriteItems - exact error messages Update non-scalar index key: cancelled with full ValidationError reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:259

TransactWriteItems - exact error messages Put empty-string index key: top-level ValidationException

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:280

TransactWriteItems - exact error messages Update empty-string index key: top-level ValidationException

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:280

TransactWriteItems - exact error messages Update empty-string Key: top-level empty-value message

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:281

TransactWriteItems - exact error messages Delete empty-string Key: top-level empty-value message

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:281

TransactWriteItems - exact error messages ConditionCheck empty-string Key: top-level empty-value message

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:281

TransactWriteItems - exact error messages Update wrong-typed Key: cancelled with schema-mismatch reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages Update non-scalar Key: cancelled with schema-mismatch reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages Delete wrong-typed Key: cancelled with schema-mismatch reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages Delete non-scalar Key: cancelled with schema-mismatch reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages ConditionCheck wrong-typed Key: cancelled with schema-mismatch reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages ConditionCheck non-scalar Key: cancelled with schema-mismatch reason

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:268

TransactWriteItems - exact error messages Update empty-binary Key: top-level empty-value message

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:281

TransactWriteItems - exact error messages Delete empty-binary Key: top-level empty-value message

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:281

TransactWriteItems - exact error messages ConditionCheck empty-binary Key: top-level empty-value message

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:281

TransactWriteItems - exact error messages Put empty-binary index key: top-level ValidationException

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:280

TransactWriteItems - exact error messages Update empty-binary index key: top-level ValidationException

Tier 3 error-messages tests/tier3/error-messages/transactWriteItems.test.ts:280

UpdateItem - exact error messages empty-binary index key value: full secondary-index-key message

Tier 3 error-messages tests/tier3/error-messages/updateItem.test.ts:230

Empty values - strings, binary, and sets empty string member in NS is rejected (not a number)

Tier 3 limits tests/tier3/limits/emptyValues.test.ts:221

Expression size limit (4KB) - UpdateExpression rejects an UpdateExpression over the 4096-byte limit

Tier 3 limits tests/tier3/limits/expressionSize.test.ts:128

Expression size limit (4KB) - ConditionExpression rejects a ConditionExpression over the 4096-byte limit

Tier 3 limits tests/tier3/limits/expressionSize.test.ts:159

Expression size limit (4KB) - Query FilterExpression rejects a Query FilterExpression over the 4096-byte limit

Tier 3 limits tests/tier3/limits/expressionSize.test.ts:202

Expression size limit (4KB) - Scan FilterExpression rejects a Scan FilterExpression over the 4096-byte limit

Tier 3 limits tests/tier3/limits/expressionSize.test.ts:237

Expression size limit (4KB) - ProjectionExpression rejects a ProjectionExpression over the 4096-byte limit

Tier 3 limits tests/tier3/limits/expressionSize.test.ts:276

Key-value length limits rejects an over-limit partition key on the read path

Tier 3 limits tests/tier3/limits/keyLength.test.ts:29

Nesting depth - 32-level document limit rejects a 32-level ExpressionAttributeValue with ValidationException

Tier 3 limits tests/tier3/limits/nestingDepth.test.ts:92

UpdateItem - validation ordering rejects invalid ReturnValues (UpdateItem reports the first enum error)

Tier 3 validation-ordering tests/tier3/validation-ordering/updateItem.test.ts:47

ExtendDB on 14 Jul 2026

Where it fell short on this date