feat(kernel): session-level query tags + Thrift-parity OAuth scopes (configurable)#430
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feat(kernel): session-level query tags + Thrift-parity OAuth scopes (configurable)#430msrathore-db wants to merge 2 commits into
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…ssion Ports the session-level query-tags wiring onto the post-#428 lib/kernel path (originally lib/sea/SeaBackend, before the SEA→kernel rename). openSession serializes request.queryTags into the reserved QUERY_TAGS session conf, which the kernel allowlists (SESSION_CONF_ALLOWLIST) and forwards onto the SEA CreateSession session_confs — mirroring ThriftBackend.openSession. queryTags takes precedence over an explicit configuration.QUERY_TAGS. Verified end-to-end against a live warehouse: the tag lands in system.query.history.query_tags. Co-authored-by: Isaac Signed-off-by: Madhavendra Rathore <madhavendra.rathore@databricks.com>
…thScopes
The kernel U2M flow passed no scopes, so it fell through to the kernel's bare
default (all-apis offline_access). The databricks-sql-connector OAuth app is
registered for `sql`, so U2M auth used the wrong scope set. Pass scopes
explicitly from the driver:
- U2M defaults to ['sql', 'offline_access'] (matches the Thrift driver's
defaultOAuthScopes), overriding the kernel's all-apis default.
- M2M defaults to ['all-apis'] (matches Thrift + the kernel's M2M default).
- Both overridable via a new `oauthScopes` connect option — closing the
configurability gap with pyo3, which already forwards `scopes` on M2M.
Driver-only change: the napi binding already forwards oauth_scopes and the
kernel's u2m.rs/m2m.rs feed them into the authorize/token request.
Co-authored-by: Isaac
Signed-off-by: Madhavendra Rathore <madhavendra.rathore@databricks.com>
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Jun 9, 2026
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Two kernel-backend auth/session fixes (rebased onto the post-#428
lib/kernelpath).1. Session-level query tags (
KernelBackend.openSession)Serializes
request.queryTagsinto the reservedQUERY_TAGSsession conf, which the kernel allowlists (SESSION_CONF_ALLOWLIST) and forwards onto the SEACreateSessionsession_confs— mirroringThriftBackend.openSession.queryTagstakes precedence over an explicitconfiguration.QUERY_TAGS.Verified end-to-end against a live warehouse: the tag lands in
system.query.history.query_tags.2. Thrift-parity OAuth scopes (configurable via
oauthScopes)The kernel U2M flow passed no scopes, so it fell through to the kernel's bare default
all-apis offline_access. Thedatabricks-sql-connectorOAuth app is registered forsql, so U2M requested the wrong scope set. Now the driver passes scopes explicitly:['sql', 'offline_access'](matches the Thrift driver'sdefaultOAuthScopes).['all-apis'](matches Thrift + the kernel's M2M default).oauthScopesconnect option — closing the configurability gap with pyo3 (which already forwardsscopeson M2M).Driver-only: the napi binding already forwards
oauth_scopes, and the kernel'su2m.rs/m2m.rsfeed them into the authorize/token request.Tests
tests/unit/kernel/execution.test.ts— session-levelqueryTags→sessionConf.QUERY_TAGS, precedence overconfiguration.QUERY_TAGS.tests/unit/kernel/auth-u2m.test.ts/auth-m2m.test.ts— default scopes (U2Msql offline_access, M2Mall-apis), caller override, empty-array fallback.All 135 affected unit tests pass locally.
This pull request and its description were written by Isaac.