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https://github.com/comfyanonymous/ComfyUI.git
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b23302f372
- Extract shared helpers to database/queries/common.py: - MAX_BIND_PARAMS, calculate_rows_per_statement, iter_chunks, iter_row_chunks - build_visible_owner_clause - Remove duplicate _compute_filename_for_asset, consolidate in path_utils.py - Remove unused get_asset_info_with_tags (duplicated get_asset_detail) - Remove redundant __all__ from cache_state.py - Make internal helpers private (_check_is_scalar) Amp-Thread-ID: https://ampcode.com/threads/T-019c2ad9-9432-7451-94a8-79287dbbb19e Co-authored-by: Amp <amp@ampcode.com>
38 lines
1.2 KiB
Python
38 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 AssetInfo
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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 = max(1, MAX_BIND_PARAMS // max(1, 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. Owner-less rows are visible to everyone."""
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owner_id = (owner_id or "").strip()
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if owner_id == "":
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return AssetInfo.owner_id == ""
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return AssetInfo.owner_id.in_(["", owner_id])
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