feat: add global system tables framework under `sys` database#366

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suxiaogang223 wants to merge 10 commits into

alibaba:mainfrom

suxiaogang223:codex/global-system-tables

Commits on Jul 2, 2026

feat: add global system tables framework under sys database

suxiaogang223
and
claude
committed
fix: remove unused helper functions in global system tables
suxiaogang223
committed
fix: replace ValueUnsafe() with value() in global system tables
suxiaogang223
committed
fix: add default value for catalog_options in FileSystemCatalog constructor
suxiaogang223
committed
fix: update TestInvalidList to expect global system table names
suxiaogang223
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improve: add table_type detection and clearer TODO for manifest-dependent fields
suxiaogang223
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feat: populate sys.tables file stats via manifest reading

suxiaogang223
and
claude
committed
feat: implement sys.partitions with partition-level aggregation

suxiaogang223
and
claude
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test: add integration tests for global system tables

suxiaogang223
and
claude
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style: apply clang-format fixes from pre-commit

suxiaogang223
and
claude
committed