القائمة
Transaction model using __odd/__even schema slots. Use when working on init_stage, commit_stage, Schema, Stage, or transaction handling.
التثبيت باستخدام Codex أو Claude انسخ هذا Prompt والصقه في Codex أو Claude أو مساعد آخر ليراجع صفحة Skill ويثبّتها لك.
Rules for working on ParquetTableStore and its metadata synchronization layer. Use when touching duckdb_parquet.py, sync_views, metadata_store, schema_prefix, or S3/GCS/MinIO integration.
Table hook registration and materialization/retrieval for different data frameworks. Use when working on register_table, PandasTableHook, PolarsTableHook, SQLAlchemyTableHook, PyArrow, or View resolution.
Test instance configuration and pytest flag conventions. Use when running tests, adding new test instances, or debugging CI failures involving with_instances, skip_instances, conftest, or INSTANCE_MARKS.
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| name | schema-swapping |
| description | Transaction model using __odd/__even schema slots. Use when working on init_stage, commit_stage, Schema, Stage, or transaction handling. |
Transaction model: each stage has two transaction slots (__odd/__even). During init_stage, the inactive slot is prepared. On commit_stage, views in the main schema are redirected.
Schema (in container/) — wraps name + prefix + suffix, .get() returns the full nameStage — has .name (bare), .current_name (set during execution), .transaction_name_commit_stage_read_views() calls on_clear_schema() and on_read_view_alias() callbacksinit_stage(): determines old/new transaction names, syncs metadata, creates the new transaction schemacommit_stage(): swaps the main schema views to point at the new transaction schema_committed_unchanged(): if stage is fully cache-valid, discards the transaction schema instead