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45f2e35a99
Currently supported objects are Table, View, Materialized View, Function and Procedure. Backend comparison of two schemas implemented by: Akshay Joshi Fixes #3452.
104 lines
3.5 KiB
Python
104 lines
3.5 KiB
Python
##########################################################################
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#
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# pgAdmin 4 - PostgreSQL Tools
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#
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# Copyright (C) 2013 - 2020, The pgAdmin Development Team
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# This software is released under the PostgreSQL Licence
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#
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##########################################################################
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import sys
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import traceback
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from regression.python_test_utils import test_utils as utils
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from pgadmin.browser.server_groups.servers.databases.schemas.tests import \
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utils as schema_utils
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def restore_schema(server, db_name, schema_name, sql_path):
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connection = utils.get_db_connection(db_name,
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server['username'],
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server['db_password'],
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server['host'],
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server['port'],
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server['sslmode']
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)
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old_isolation_level = connection.isolation_level
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connection.set_isolation_level(0)
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pg_cursor = connection.cursor()
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sql = ''
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with open(sql_path, 'r') as content_file:
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sql = content_file.read()
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pg_cursor.execute(sql)
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connection.set_isolation_level(old_isolation_level)
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connection.commit()
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SQL = """SELECT
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nsp.oid
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FROM
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pg_namespace nsp
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WHERE nsp.nspname = '{0}'""".format(schema_name)
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pg_cursor.execute(SQL)
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schema = pg_cursor.fetchone()
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schema_id = None
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if schema:
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schema_id = schema[0]
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connection.close()
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return schema_id
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def create_schema(server, db_name, schema_name):
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connection = utils.get_db_connection(db_name,
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server['username'],
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server['db_password'],
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server['host'],
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server['port'],
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server['sslmode']
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)
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return schema_utils.create_schema(connection, schema_name)
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def create_table(server, db_name, schema_id, table_name, query):
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"""
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This function creates a table under provided schema.
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:param server: server details
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:type server: dict
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:param db_name: database name
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:type db_name: str
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:param schema_id: schema oid
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:type schema_name: int
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:param table_name: table name
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:type table_name: str
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:return table_id: table id
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:rtype: int
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"""
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try:
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connection = utils.get_db_connection(db_name,
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server['username'],
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server['db_password'],
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server['host'],
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server['port'],
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server['sslmode'])
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old_isolation_level = connection.isolation_level
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connection.set_isolation_level(0)
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pg_cursor = connection.cursor()
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pg_cursor.execute(query)
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connection.set_isolation_level(old_isolation_level)
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connection.commit()
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# Get 'oid' from newly created table
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pg_cursor.execute("SELECT oid FROM pg_class WHERE relname='{0}'"
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" AND relnamespace = {1}".format(table_name,
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schema_id))
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table = pg_cursor.fetchone()
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table_id = ''
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if table:
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table_id = table[0]
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connection.close()
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return table_id
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except Exception:
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traceback.print_exc(file=sys.stderr)
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raise
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