def save_metadata_spatial(self) -> str:
"""
完成空间元数据的入库更新操作
:return:
"""
mdt_spatial_result, mdt_spatial_memo, mdt_spatial = self.metadata.metadata_spatial()
params = {
'dsoid': self.object_id,
'dso_spatial_result': mdt_spatial_result,
'dso_spatial_parsermemo': mdt_spatial_memo,
'dso_prj_wkt': mdt_spatial.prj_wkt,
'dso_prj_proj4': mdt_spatial.prj_proj4,
'dso_prj_project': mdt_spatial.prj_project,
'dso_prj_coordinate': mdt_spatial.prj_coordinate,
'dso_prj_degree': mdt_spatial.prj_degree,
'dso_prj_zone': mdt_spatial.prj_zone,
'dso_prj_source': mdt_spatial.prj_source
}
database = CFactory().give_me_db(self.file_info.db_server_id)
params['dso_center_native'] = CFile.file_2_str(mdt_spatial.native_center)
params['dso_geo_bb_native'] = CFile.file_2_str(mdt_spatial.native_box)
params['dso_geo_native'] = CFile.file_2_str(mdt_spatial.native_geom)
if CFile.file_or_path_exist(mdt_spatial.wgs84_center):
dso_center_wgs84 = database.sql.func_wkt2geometry(
CUtils.quote(CFile.file_2_str(mdt_spatial.wgs84_center)), self.SRID_WGS84)
else:
dso_center_wgs84 = 'null'
if CFile.file_or_path_exist(mdt_spatial.wgs84_bbox):
dso_geo_bb_wgs84 = database.sql.func_wkt2geometry(
CUtils.quote(
CFile.file_2_str(mdt_spatial.wgs84_bbox)), self.SRID_WGS84)
else:
dso_geo_bb_wgs84 = 'null'
if CFile.file_or_path_exist(mdt_spatial.wgs84_geom):
dso_geo_wgs84 = database.sql.func_wkt2geometry(
CUtils.quote(
CFile.file_2_str(mdt_spatial.wgs84_geom)), self.SRID_WGS84)
else:
dso_geo_wgs84 = 'null'
# 所有元数据入库
CFactory().give_me_db(self.file_info.db_server_id).execute(
'''
update dm2_storage_object
set dso_spatial_result = :dso_spatial_result
, dso_spatial_parsermemo = :dso_spatial_parsermemo
, dso_center_native = :dso_center_native
, dso_geo_bb_native = :dso_geo_bb_native
, dso_geo_native = :dso_geo_native
, dso_center_wgs84 = {0}
, dso_geo_bb_wgs84 = {1}
, dso_geo_wgs84 = {2}
, dso_prj_wkt = :dso_prj_wkt
, dso_prj_proj4 = :dso_prj_proj4
, dso_prj_project = :dso_prj_project
, dso_prj_coordinate = :dso_prj_coordinate
, dso_prj_degree = :dso_prj_degree
, dso_prj_zone = :dso_prj_zone
, dso_prj_source = :dso_prj_source
where dsoid = :dsoid
'''.format(dso_center_wgs84, dso_geo_bb_wgs84, dso_geo_wgs84),
params
)
return CResult.merge_result(self.Success, '空间元数据处理完毕!')
def __prepare_update_data(self) -> list:
sql_list = []
temp_helper_code_list = []
sql_update_set = ''
sql_update_params = dict()
for column_index in range(self.__column_list.size()):
column = self.__column_list.column_by_index(column_index)
if column.is_primary_key or (column.value is None):
continue
try:
column_type = self.__database.db_column_type_by_name(
column.db_column_type)
column_value_type = CUtils.dict_value_by_name(
column.value, self.Name_Type, self.DataValueType_SQL)
column_value_as_text = CUtils.any_2_str(
CUtils.dict_value_by_name(column.value, self.Name_Text,
''))
# 如果值为原生sql, 则不管字段类型为何值, 都直接把sql存入insert_data语句中
if CUtils.equal_ignore_case(column_value_type,
self.DataValueType_SQL):
column_update_set = '{0}={1}'.format(
column.name, column_value_as_text)
elif CUtils.equal_ignore_case(column_value_type,
self.DataValueType_File):
column_update_set = '{0}={1}'.format(
column.name,
':{0}'.format(self.__param_name(column.name)))
self.__database.file2param(sql_update_params,
self.__param_name(column.name),
column_value_as_text)
else:
if CUtils.equal_ignore_case(
column_type.set_value_method,
self.DB_Column_Set_Method_Function):
if len(column_value_as_text
) > column_type.function_param_max_size >= 0:
column_data_id = CUtils.one_id()
temp_helper_code_list.append(column_data_id)
sql_exchange = '''
insert into ro_global_spatialhandle(code, data) values(:code, :data)
'''
param_exchange = {
'code': column_data_id,
'data': column_value_as_text
}
sql_list.append((sql_exchange, param_exchange))
column_update_set = '{0}={1}'.format(
column.name,
CUtils.replace_placeholder(
column_type.set_value_template,
dict({
self.Name_Value:
"(select data from ro_global_spatialhandle where code = '{0}')"
.format(column_data_id)
})))
else:
if column_type.function_param_quoted:
column_value_as_text = CUtils.quote(
column_value_as_text)
column_update_set = '{0}={1}'.format(
column.name,
CUtils.replace_placeholder(
column_type.set_value_template,
dict({
self.Name_Value: column_value_as_text
})))
elif CUtils.equal_ignore_case(
column_type.set_value_method,
self.DB_Column_Set_Method_Geometry):
if len(column_value_as_text
) > column_type.function_param_max_size >= 0:
column_data_id = CUtils.one_id()
temp_helper_code_list.append(column_data_id)
sql_exchange = '''
insert into ro_global_spatialhandle(code, data) values(:code, :data)
'''
param_exchange = {
'code': column_data_id,
'data': column_value_as_text
}
sql_list.append((sql_exchange, param_exchange))
column_update_set = '{0}={1}'.format(
column.name,
CUtils.replace_placeholder(
column_type.set_value_template,
dict({
self.Name_Value:
"(select data from ro_global_spatialhandle where code = '{0}')"
.format(column_data_id),
self.Name_Srid:
CUtils.dict_value_by_name(
column.value, self.Name_Srid,
settings.application.xpath_one(
self.Path_Setting_Spatial_Srid,
self.SRID_WGS84))
})))
else:
if column_type.function_param_quoted:
column_value_as_text = CUtils.quote(
column_value_as_text)
column_update_set = '{0}={1}'.format(
column.name,
CUtils.replace_placeholder(
column_type.set_value_template,
dict({
self.Name_Value:
column_value_as_text,
self.Name_Srid:
CUtils.dict_value_by_name(
column.value, self.Name_Srid,
settings.application.xpath_one(
self.Path_Setting_Spatial_Srid,
self.SRID_WGS84))
})))
else: # if CUtils.equal_ignore_case(column_type.set_value_method, self.DB_Column_Set_Method_Param):
column_update_set = '{0}={1}'.format(
column.name,
':{0}'.format(self.__param_name(column.name)))
sql_update_params[self.__param_name(
column.name)] = column_value_as_text
sql_update_set = CUtils.str_append(sql_update_set,
column_update_set, ', ')
except Exception as error:
print(error.__str__())
raise
sql_where = ''
for column_index in range(self.__column_list.size()):
column = self.__column_list.column_by_index(column_index)
if column.is_primary_key:
sql_where, sql_update_params = self.__prepare_where_condition(
column, sql_where, sql_update_params)
if not CUtils.equal_ignore_case(sql_where, ''):
sql_where = CUtils.str_append(' where ', sql_where, ' ')
sql_update = 'update {0} set {1} {2}'.format(self.__table_name,
sql_update_set, sql_where)
sql_list.append((sql_update, sql_update_params))
for temp_helper_code in temp_helper_code_list:
sql_list.append(
("delete from ro_global_spatialhandle where code = '{0}'".
format(temp_helper_code), None))
return sql_list