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125 lines
3.8 KiB
125 lines
3.8 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# @Time : 2023/4/9 14:41
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# @Author : old tom
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# @File : metadata_warehouse.py
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# @Project : futool-tiny-datahub
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# @Desc : 元数据存储
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from common.futool.core.fu_id import id_gen
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from datahub.metadata.metadatadao.metadata_dao import MetadataDao
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from datahub.local_db_conf import local_conn
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from datahub.metadata.constant.metadata_constant import MetaDataObjType
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class MetadataWareHouse(object):
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"""
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元数据仓库
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"""
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def __init__(self, source_id):
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self.source_id = source_id
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self.dao = MetadataDao(local_conn)
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def save_metadata_obj(self, objs, obj_type, version_code):
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"""
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保存元数据对象
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:param version_code: 版本号
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:param obj_type: 元数据类型
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:param objs:
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:return:
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"""
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data = [(id_gen.get_id(), self.source_id, obj_type, x[0], x[1], version_code) for x in objs]
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return self.dao.save_metadata_obj(data)
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def save_metadata_obj_detail(self, details):
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"""
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保存元数据对象明细
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:param details:
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:return:
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"""
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return self.dao.save_metadata_create(details)
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def save_metadata_obj_field(self, fields):
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"""
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保存字段
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:param fields:
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:return:
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"""
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return self.dao.save_table_fields(fields)
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def query_metadata(self, obj_type=None):
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"""
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查询元数据
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:param obj_type:
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:return:
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"""
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return self.dao.query_metadata_by_type(obj_type)
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def query_metadata_name(self, obj_type=None, version_code=None):
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"""
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查询元数据名称
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:param version_code: 版本号
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:param obj_type:
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:return:
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"""
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return self.dao.query_metadata_name_by_type(obj_type, self.source_id, version_code)
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def query_metadata_id_name(self, obj_type=None, version_code=None):
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"""
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查询元数据ID及名称
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:param version_code: 版本号
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:param obj_type:
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:return:
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"""
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return self.dao.query_metadata_id_name(obj_type, self.source_id, version_code)
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def query_view_create(self, meta_id):
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"""
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查询视图创建语句
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:param meta_id:
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:return:
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"""
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return self.dao.query_metadata_create(MetaDataObjType.View.value, meta_id, self.source_id)
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def query_view_create_by_name(self, view_name, version_code=None):
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"""
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视图查询创建语句
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:param version_code: 版本号
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:param view_name:
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:return:
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"""
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return self.dao.query_metadata_create_by_name(view_name, self.source_id, version_code)
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def query_procedure_create(self, meta_id):
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"""
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查询存储过程创建语句
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:param meta_id:
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:return:
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"""
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return self.dao.query_metadata_create(MetaDataObjType.Procedure.value, meta_id, self.source_id)
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def query_metadata_type(self, meta_id, version_code=None):
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"""
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查询元数据类型
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:param version_code: 版本号
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:param meta_id:
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:return:
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"""
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return self.dao.query_metadata_type(meta_id, self.source_id, version_code)
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def query_metadata_type_by_name(self, meta_name, version_code=None):
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"""
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根据名称查询元数据类型
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:param version_code: 版本号
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:param meta_name: 表名、视图名、存储过程名
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:return:
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"""
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return self.dao.query_metadata_type_by_name(meta_name, self.source_id, version_code)
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def is_table(self, table_name, version_code=None):
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return self.query_metadata_type_by_name(table_name, version_code) == MetaDataObjType.Table.value
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def is_view(self, view_name, version_code=None):
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return self.query_metadata_type_by_name(view_name, version_code) == MetaDataObjType.View.value
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