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v1.4.0

New Features

  • Added support for named arguments.
  • The emulator now supports JSON columns and functions (#37).
  • Added support for INFORMATION_SCHEMA.TABLES TABLE_TYPE column (#43).
  • Query size limits updated to match production (#52).

v1.3.0

New Features

  • ALTER TABLE ADD [COLUMN] statement no longer requires COLUMN keyword (#16).
  • Added support for check constraints (#11).
  • Added support for SELECT * EXCEPT (#26).
  • Added support for NUMERIC as a key/index in the emulator.
  • Added numeric math functions.
  • Added NET.* functions.

Bugs

  • Fixed crashes when evaluating DMLs on tables with generated columns (#23).
  • Do not error when a query has a MERGE_JOIN hint.
  • Return an error when a transaction updates a row already deleted in itself.
  • Return an error for returning structs as columns.
  • Return an error for SELECT ARRAY<STRUCT<i INT64>>[] expressions.

v1.2.0

New Features

  • Added support for ARRAY_IS_DISTINCT and TABLESAMPLE functions.
  • Added NUMERIC types.
  • Added generated columns.
  • Allow @{parameter_sensitive=always|auto|never} hint for ParameterSensitive plans.

Bugs

  • Fixed crash due to interaction between foreign keys and information schema (#10).
  • Reject instance names with an underscore (#13).

v1.1.1

Bugs

  • Fixed bug where direct index reads of commit timestamp values returned the max timestamp value.

v1.1.0

New Features

  • Added support for 'EXTRACT_DATE|TIME' functions.
  • Added DML sequence number support.
  • Added random transaction abort flag (enable_fault_injection) for testing abort/retry logic.
  • Increased CreateDatabase parallelism.
  • Support for foreign keys.

Bugs

  • Fixed bug where set options disabled the NOT NULL constraint.
  • Fixed bug where existing columns in a table could not be correctly altered.
  • Fixed issue where BUILD file didn't work correctly on non-case sensitive OSes (macOS).

v1.0.0

New Features

  • Added support for Cloud Spanner C# client library
  • Added SQL Functions - FORMAT, FROM_BASE32, TO_BASE32
  • Additional Information Schema features:
    • Reflected INFORMATION_SCHEMA tables within INFORMATION_SCHEMA.TABLES
    • Added SPANNER_IS_MANAGED column to INFORMATION_SCHEMA.INDEXES
    • Added SPANNER_STATE column to INFORMATION_SCHEMA.TABLES
    • Added INDEX_TYPE column to INFORMATION_SCHEMA.INDEX_COLUMNS
  • Partitioned APIs now checks for partitionability (with limitations)

Bugs

  • Fixed bug to correctly return the status code for ExecuteBatchDml rpc.

v0.8.0

New Features

  • PartitionRead, PartitionQuery and PartitionDML API support
  • Cloud Spanner Client Libraries - PHP, Ruby, Python and Node.js support
  • SQL Functions - JSON_VALUE, JSON_QUERY, CEILING, POWER, CHARACTER_LENGTH
  • Support for Large Reads

Bugs

  • Fixed bug where InsertOrUpdate mutation was not checking NOT NULL columns.