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Make a backup of the old SQLite database to support running older versions if necessary. #4728

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This commit is contained in:
Akshay Joshi 2023-02-01 17:52:22 +05:30
parent e247867abf
commit adc7155fe9
1 changed files with 13 additions and 6 deletions
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19
web/pgadmin/__init__.py
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@ -15,6 +15,7 @@ import sys
import re
import ipaddress
import traceback
import shutil
from types import MethodType
from collections import defaultdict
@ -423,7 +424,15 @@ def create_app(app_name=None):
# Run migration if current schema version is greater than the
# schema version stored in version table
if CURRENT_SCHEMA_VERSION >= schema_version:
if CURRENT_SCHEMA_VERSION > schema_version:
# Take a backup of the old database file.
try:
prev_database_file_name = \
"{0}.prev.bak".format(SQLITE_PATH)
shutil.copyfile(SQLITE_PATH, prev_database_file_name)
except Exception as e:
app.logger.error(e)
upgrade_db()
else:
# check all tables are present in the db.
@ -454,12 +463,10 @@ def create_app(app_name=None):
schema_version = get_version()
# Run migration if current schema version is greater than
# the schema version stored in version table
if CURRENT_SCHEMA_VERSION >= schema_version:
db_upgrade(app)
# Update schema version to the latest
# the schema version stored in version table.
if CURRENT_SCHEMA_VERSION > schema_version:
db_upgrade(app)
# Update schema version to the latest
set_version(CURRENT_SCHEMA_VERSION)
db.session.commit()
except Exception as e: