Добавлена возможность обновления (создания) конкретной версии
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# -*- coding: utf-8 -*-
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import logging
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import psycopg2
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from bottle import template
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from aore.aoutils.aoxmltableentry import AoXmlTableEntry
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from aore.config import db as dbparams
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from aore.dbutils.dbimpl import DBImpl
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from aore.dbutils.dbschemas import db_shemas
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class DbHandler:
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def __init__(self):
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self.db = DBImpl(psycopg2, dbparams)
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def bulk_csv(self, operation_type, table_name, processed_count, csv_file_name):
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sql_query = None
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# simple add new reocrds
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if operation_type == AoXmlTableEntry.OperationType.create:
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sql_query = template('aore/templates/postgre/bulk_create.sql', delim='\t', tablename=table_name,
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fieldslist=", ".join(db_shemas[table_name].fields), csvname=csv_file_name)
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# update table
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if operation_type == AoXmlTableEntry.OperationType.update:
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fields_update_list = ""
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for field in db_shemas[table_name].fields:
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if field != db_shemas[table_name].unique_field.upper():
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fields_update_list += "{}=EXCLUDED.{}, ".format(field, field)
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fields_update_list = fields_update_list[:-2]
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sql_query = template('aore/templates/postgre/bulk_update.sql', delim='\t', tablename=table_name,
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fieldslist=", ".join(db_shemas[table_name].fields), csvname=csv_file_name,
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uniquekey=db_shemas[table_name].unique_field, updaterule=fields_update_list)
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# delete records from table
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if operation_type == AoXmlTableEntry.OperationType.delete:
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sql_query = template('aore/templates/postgre/bulk_delete.sql', delim='\t', tablename=table_name,
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fieldslist=", ".join(db_shemas[table_name].fields), csvname=csv_file_name,
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uniquekey=db_shemas[table_name].unique_field)
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assert sql_query, "Invalid operation type: {}".format(operation_type)
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self.db.execute(sql_query)
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logging.info("Processed {} queries FROM {}".format(processed_count - 1, csv_file_name))
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def pre_create(self):
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logging.info("Prepare to create DB structure...")
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sql_query = template("aore/templates/postgre/pre_create.sql")
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self.db.execute(sql_query)
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def post_create(self):
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logging.info("Indexing ADDROBJ...")
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sql_query = template("aore/templates/postgre/post_create.sql")
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self.db.execute(sql_query)
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logging.info("Indexing done.")
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def pre_update(self):
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# TODO: update actions
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pass
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