FEAPDER 管道扩展
简介
此模块为feapder的pipelines扩展，感谢广大开发者对feapder的贡献
随着feapder支持的pipelines越来越多，为减少feapder的体积，特将pipelines提出，使用者可按需安装
管道
PostgreSQL
贡献者：沈瑞祥
联系方式：[email protected]
安装
pip install feapder_pipelines[pgsql]
使用
在feapder项目的setting.py中使用如下配置
# PostgreSQL
PGSQL_IP =
PGSQL_PORT =
PGSQL_DB =
PGSQL_USER_NAME =
PGSQL_USER_PASS =
ITEM_PIPELINES = [
"feapder_pipelines.pipelines.pgsql_pipeline.PgsqlPipeline"
]
细节
注：入库时 ON CONFLICT(key) 默认为id或通过如下sql查出来的第一个值select column_names from(
select
t.relname as table_name,
i.relname as index_name,
array_to_string(array_agg(a.attname), ', ') as column_names
from
pg_class t,
pg_class i,
pg_index ix,
pg_attribute a
where
t.oid = ix.indrelid
and i.oid = ix.indexrelid
and a.attrelid = t.oid
and a.attnum = ANY(ix.indkey)
and t.relkind = 'r'
and t.relname like '%'
group by
t.relname,
i.relname
order by
t.relname,
i.relname) as res
where table_name = 'table_name';
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