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https://github.com/comfyanonymous/ComfyUI.git
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3965aca3e6
- Split monolithic queries.py into modular query modules (asset, asset_reference, common, tags) - Absorb bulk_ops.py and tags.py into query modules - Merge migrations 0002-0005 into single migration (0002_merge_to_asset_references) - Update models.py (merge AssetInfo/AssetCacheState into AssetReference) - Enable SQLite foreign key enforcement - Add comprehensive query-layer tests Co-authored-by: Amp <amp@ampcode.com> Amp-Thread-ID: https://ampcode.com/threads/T-019c917d-82b5-7448-a04f-9cd59c69d0a2
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
"""Shared utilities for database query modules."""
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from typing import Iterable
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import sqlalchemy as sa
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from app.assets.database.models import AssetReference
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MAX_BIND_PARAMS = 800
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def calculate_rows_per_statement(cols: int) -> int:
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"""Calculate how many rows can fit in one statement given column count."""
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return max(1, MAX_BIND_PARAMS // max(1, cols))
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def iter_chunks(seq, n: int):
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"""Yield successive n-sized chunks from seq."""
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for i in range(0, len(seq), n):
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yield seq[i : i + n]
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def iter_row_chunks(rows: list[dict], cols_per_row: int) -> Iterable[list[dict]]:
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"""Yield chunks of rows sized to fit within bind param limits."""
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if not rows:
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return
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rows_per_stmt = calculate_rows_per_statement(cols_per_row)
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for i in range(0, len(rows), rows_per_stmt):
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yield rows[i : i + rows_per_stmt]
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def build_visible_owner_clause(owner_id: str) -> sa.sql.ClauseElement:
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"""Build owner visibility predicate for reads.
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Owner-less rows are visible to everyone.
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"""
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owner_id = (owner_id or "").strip()
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if owner_id == "":
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return AssetReference.owner_id == ""
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return AssetReference.owner_id.in_(["", owner_id])
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