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@@ Coverage Diff @@
## master #21 +/- ##
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Coverage ? 21.34%
Complexity ? 1082
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Files ? 382
Lines ? 18188
Branches ? 2337
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Hits ? 3882
Misses ? 14016
Partials ? 290 Continue to review full report at Codecov.
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…ide-int types + EET roundtrip identities) Implements the plan's Phase-1 P0 fast wins from docs/plans/2026-06-13-001-feat-clickhouse-coverage-backlog-30-ideas-plan.md. New differential / ground-truth oracles (each default-on, gated by a --flag, self-contained, soundness-checklist-compliant): - #2 PrewhereEquivalence WHERE == PREWHERE == optimize_move_to_prewhere=0 (multiset) - #3 ReadInOrderToggle optimize_read_in_order/aggregation_in_order on==off - #4 CountOptimization trivial/implicit/use_projections on==off + countIf cross-check + GROUP-BY-key count arm (hardens #106573, #106125) - #5 LazyMaterializationToggle query_plan_optimize_lazy_materialization on==off (positional) - #12 ReplacingDedup ReplacingMergeTree(ver) FINAL == argMax(val,ver) GROUP BY key - sqlancer#19 QuantileConsistency quantileExact==medianExact, monotone-in-level, Low<=Exact<=High - sqlancer#20 UniqExactness uniqExact == count(DISTINCT) == length(groupUniqArray) - sqlancer#21 ArgExtremum argMax / arraySort(groupArray) / groupArraySorted vs Java truth - sqlancer#28 MaterializedColumn MATERIALIZED/ALIAS col == defining expr (single-snapshot) Generator/catalog: - #16 emit signed Int128/Int256 + Decimal256 (Decimal precision 39..76); Interval column emission deliberately NOT added (ClickHouse forbids storing Interval in tables); ClickHouseTypeParser gains an Interval read-back branch for free. - sqlancer#23 EET roundtrip identities: unhex(hex), base64Decode(base64Encode), tryBase64Decode(base64Encode), toIPv4(IPv4NumToString(toUInt32)), toIPv6(IPv6NumToString) -- each type-gated; +7 unit-test cases. Wired into ClickHouseOracleFactory, ClickHouseOptions (--*-oracle flags) and .claude/run-sqlancer.sh ALL_ORACLES. mvn compile green; EETIdentitiesTest 20/20. Probe-on-head items (recorded for dev-vm validation): query_plan_optimize_lazy_materialization, read_in_order_use_buffering, optimize_trivial_count_query family, groupArraySorted/array text format, IPv6 IPv4-mapped roundtrip.
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Add coverage information and ensure that the process does not exit prematurely. Addresses #20.