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refactor: sqlalchemy-independence for the DB 300 migration

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This commit is contained in:
Jann Stute
2026-09-03 20:56:01 +02:00
parent 83797bc44b
commit cc84df0cad
1 changed files with 26 additions and 30 deletions
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src/tagstudio/core/library/alchemy/migrations.py
+26 -30
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@@ -532,43 +532,39 @@ class MigrationTo300(DBMigration):
@override
@classmethod
def run(cls, session: Session, library_dir: Path, fmt_log: LoggingMethod):
## remove folder_id column from entries table
# create new table in the desired scheme (without folder_id column)
session.execute(
text("""
CREATE TABLE entries_new (
id INTEGER NOT NULL,
path VARCHAR NOT NULL,
suffix VARCHAR NOT NULL,
date_created DATETIME,
date_modified DATETIME,
date_added DATETIME,
filename TEXT NOT NULL DEFAULT '',
PRIMARY KEY (id),
UNIQUE (path)
)
def run(cls, conn: Connection, library_dir: Path, fmt_log: LoggingMethod):
# remove folder_id column from entries table
## create new table in the desired scheme (without folder_id column)
conn.execute("""
CREATE TABLE entries_new (
id INTEGER NOT NULL,
path VARCHAR NOT NULL,
suffix VARCHAR NOT NULL,
date_created DATETIME,
date_modified DATETIME,
date_added DATETIME,
filename TEXT NOT NULL DEFAULT '',
PRIMARY KEY (id),
UNIQUE (path)
)
""")
)
session.flush()
# transfer data to new table
session.execute(
text("""
## transfer data to new table
conn.execute("""
INSERT INTO entries_new (id, path, suffix, date_created, date_modified, date_added,
filename)
SELECT id, path, suffix, date_created, date_modified, date_added, filename
FROM entries
""")
)
# delete old table
session.execute(text("DROP TABLE entries"))
# rename new table to old table
session.execute(text("ALTER TABLE entries_new RENAME TO entries"))
session.flush()
## drop table "folders"
session.execute(text("DROP TABLE folders"))
session.flush()
## delete old table
conn.execute("DROP TABLE entries")
## rename new table to old table
conn.execute("ALTER TABLE entries_new RENAME TO entries")
# drop table "folders"
conn.execute("DROP TABLE folders")
class MigrationTo400(DBMigration):