- Refactored Row from Table[string, string] to Table[string, Value]
- Added Value operators: ==, !=, $, in for string interop
- Fixed valueToString for vkNull to return '\\N' instead of ''
- Fixed evalExpr irekField to return vkNull when field not found
- Added IN (val1, val2, ...) parser support
- Fixed nkPath column names in multi-table joins
- Fixed LATERAL JOIN null padding when no matching rows
- Added CREATE/DROP/USE/SHOW DATABASE parser support
- Adapted all tests for new Value type
- Add isDelete flag to VersionedRecord to fix COMMIT treating empty values
as DELETE. Previously version.xmax != TxnId(0) was never true for active
transactions, so deletes inside transactions never removed rows.
- Fix MIN/MAX aggregates skipping NULL: was checking for "\\N" instead
of correct "\N" sentinel, so NULL values were never skipped.
- Add duplicate alias deduplication in lowerSelect() and getSelectColumns().
Identical aliases now get _1, _2 suffixes (e.g. count(*), count(*)_1).
- Add nil guard for expr.subqueryPlan in irekSubquery evalExpr handler.
- Initialize txnManager in newExecutionContext to prevent segfault on BEGIN.
- Add regression tests: DELETE in transaction, PK-only row survival,
MIN/MAX NULL skipping.
dimgigov