SLayer, a semantic layer maintained by your agent

v0.6.10 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 7d AI Agents & Assistants

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

semantic-layer

Summary

AI summary

Column gains sampled_values list and distinct_count, with schema bump to v7.

Changes in this release

Type	Severity	Summary	CVE
Feature	Low	Column gains structured sampled_values list (top 50 by frequency). Column gains structured sampled_values list (top 50 by frequency). Source: llm_adapter@2026-05-27 Confidence: high	—
Feature	Low	Column now includes exact distinct_count alongside text snapshot. Column now includes exact distinct_count alongside text snapshot. Source: llm_adapter@2026-05-27 Confidence: high	—
Bugfix
Bugfix	Medium	Time dimensions with bare string sql no longer cause Postgres truncation errors; operand cast to TIMESTAMP. Time dimensions with bare string sql no longer cause Postgres truncation errors; operand cast to TIMESTAMP. Source: llm_adapter@2026-05-27 Confidence: high	—
Bugfix	Medium	Multi-hop dotted dimensions now resolve when referenced from downstream stages of a nested DAG. Multi-hop dotted dimensions now resolve when referenced from downstream stages of a nested DAG. Source: llm_adapter@2026-05-27 Confidence: high	—
Bugfix	Medium	Cross-model intercept no longer silently re-aggregates dim columns that resemble aggregations. Cross-model intercept no longer silently re-aggregates dim columns that resemble aggregations. Source: llm_adapter@2026-05-27 Confidence: high	—
Refactor	Low	Schema version bumped to v7 with no-op forward migration. Schema version bumped to v7 with no-op forward migration. Source: llm_adapter@2026-05-27 Confidence: high	—

Full changelog

SLayer 0.6.10

Polish release: Column gains a structured sampled_values list (top 50 by frequency) and exact distinct_count alongside the existing text snapshot, so you can validate predicate literals. Schema bumps to v7 with a no-op forward migration; inspect_model surfaces the new fields in JSON output.

Minor changes

Time dimensions whose sql is a bare string literal no longer fail Postgres with "function date_trunc(unknown, unknown) is not unique"; the operand is wrapped in CAST(... AS TIMESTAMP).
Multi-hop dotted dimensions referenced from downstream stages of a nested DAG now resolve. The cross-model intercept no longer silently re-aggregates dim columns whose names happen to look like aggregations.

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Earlier breaking changes

v0.6.3 Datasource names now reject dots, slashes, nulls, empty/whitespace; existing names containing '.' will fail validation on upgrade.
v0.6.0 recall_memories surface entirely removed with no deprecation shim.
v0.5.1 Two-mode reference semantics enforced: SQL mode accepts arbitrary SQL; DSL mode strictly resolves identifiers.
v0.5.1 RecallHit.match_count renamed to RecallHit.score across MCP, REST, CLI, and SlayerClient.