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Avoid making queries with 100s of parameters

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This commit is contained in:
Edward Betts 2023-10-31 14:40:07 +00:00
parent bf98eb71dc
commit 2229605672
1 changed files with 9 additions and 4 deletions
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5
matcher/api.py
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@ -550,16 +550,21 @@ def get_tag_filter(
tags: sqlalchemy.sql.schema.Column, tag_list: list[str] tags: sqlalchemy.sql.schema.Column, tag_list: list[str]
) -> list[sqlalchemy.sql.elements.BooleanClauseList]: ) -> list[sqlalchemy.sql.elements.BooleanClauseList]:
tag_filter = [] tag_filter = []
include_prefix = len(tag_list) < 10
for tag_or_key in tag_list: for tag_or_key in tag_list:
if tag_or_key.startswith("Key:"): if tag_or_key.startswith("Key:"):
key = tag_or_key[4:] key = tag_or_key[4:]
tag_filter.append(and_(tags.has_key(key), tags[key] != "no")) tag_filter.append(and_(tags.has_key(key), tags[key] != "no"))
if include_prefix:
for prefix in tag_prefixes: for prefix in tag_prefixes:
tag_filter.append(tags.has_key(f"{prefix}:{key}")) tag_filter.append(tags.has_key(f"{prefix}:{key}"))
if tag_or_key.startswith("Tag:"): if tag_or_key.startswith("Tag:"):
k, _, v = tag_or_key[4:].partition("=") k, _, v = tag_or_key[4:].partition("=")
tag_filter.append(tags[k] == v) tag_filter.append(tags[k] == v)
if include_prefix:
for prefix in tag_prefixes: for prefix in tag_prefixes:
tag_filter.append(tags[f"{prefix}:{k}"] == v) tag_filter.append(tags[f"{prefix}:{k}"] == v)