数据库操作小记
PG之最近的年月日小时查询
SELECT * from pool where published_at >= CURRENT_DATE - INTERVAL '6 months' order by published_at desc
#years、months、days、hours、minutes
ORM and、or、以及其他查询的嵌套
or_clause = []
for p in content:
and_clause = [P.chain == p["chain"]]
if p.get("min") and p.get("max"):
and_clause.append(P.liquidity.between(p["min"], p["max"]))
elif p.get("min"):
and_clause.append(P.liquidity >= p["min"])
elif p.get("max"):
and_clause.append(P.liquidity <= p["max"])
or_clause.append(and_(*and_clause))
pool_info = pool_info.filter(or_(*or_clause))
原文地址：https://blog.csdn.net/qq_42691309/article/details/137719303
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