Upgrade to sqlalchemy 1.4.11 (#49538)

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J. Nick Koston 2021-04-21 20:29:36 -10:00 committed by GitHub
parent 303ab36c54
commit c10836fcee
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12 changed files with 84 additions and 74 deletions

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@ -1,8 +1,8 @@
"""Schema migration helpers."""
import logging
import sqlalchemy
from sqlalchemy import ForeignKeyConstraint, MetaData, Table, text
from sqlalchemy.engine import reflection
from sqlalchemy.exc import (
InternalError,
OperationalError,
@ -50,13 +50,13 @@ def migrate_schema(instance, current_version):
for version in range(current_version, SCHEMA_VERSION):
new_version = version + 1
_LOGGER.info("Upgrading recorder db schema to version %s", new_version)
_apply_update(instance.engine, new_version, current_version)
_apply_update(instance.engine, session, new_version, current_version)
session.add(SchemaChanges(schema_version=new_version))
_LOGGER.info("Upgrade to version %s done", new_version)
def _create_index(engine, table_name, index_name):
def _create_index(connection, table_name, index_name):
"""Create an index for the specified table.
The index name should match the name given for the index
@ -78,7 +78,7 @@ def _create_index(engine, table_name, index_name):
index_name,
)
try:
index.create(engine)
index.create(connection)
except (InternalError, ProgrammingError, OperationalError) as err:
lower_err_str = str(err).lower()
@ -92,7 +92,7 @@ def _create_index(engine, table_name, index_name):
_LOGGER.debug("Finished creating %s", index_name)
def _drop_index(engine, table_name, index_name):
def _drop_index(connection, table_name, index_name):
"""Drop an index from a specified table.
There is no universal way to do something like `DROP INDEX IF EXISTS`
@ -108,7 +108,7 @@ def _drop_index(engine, table_name, index_name):
# Engines like DB2/Oracle
try:
engine.execute(text(f"DROP INDEX {index_name}"))
connection.execute(text(f"DROP INDEX {index_name}"))
except SQLAlchemyError:
pass
else:
@ -117,7 +117,7 @@ def _drop_index(engine, table_name, index_name):
# Engines like SQLite, SQL Server
if not success:
try:
engine.execute(
connection.execute(
text(
"DROP INDEX {table}.{index}".format(
index=index_name, table=table_name
@ -132,7 +132,7 @@ def _drop_index(engine, table_name, index_name):
if not success:
# Engines like MySQL, MS Access
try:
engine.execute(
connection.execute(
text(
"DROP INDEX {index} ON {table}".format(
index=index_name, table=table_name
@ -163,7 +163,7 @@ def _drop_index(engine, table_name, index_name):
)
def _add_columns(engine, table_name, columns_def):
def _add_columns(connection, table_name, columns_def):
"""Add columns to a table."""
_LOGGER.warning(
"Adding columns %s to table %s. Note: this can take several "
@ -176,7 +176,7 @@ def _add_columns(engine, table_name, columns_def):
columns_def = [f"ADD {col_def}" for col_def in columns_def]
try:
engine.execute(
connection.execute(
text(
"ALTER TABLE {table} {columns_def}".format(
table=table_name, columns_def=", ".join(columns_def)
@ -191,7 +191,7 @@ def _add_columns(engine, table_name, columns_def):
for column_def in columns_def:
try:
engine.execute(
connection.execute(
text(
"ALTER TABLE {table} {column_def}".format(
table=table_name, column_def=column_def
@ -209,7 +209,7 @@ def _add_columns(engine, table_name, columns_def):
)
def _modify_columns(engine, table_name, columns_def):
def _modify_columns(connection, engine, table_name, columns_def):
"""Modify columns in a table."""
if engine.dialect.name == "sqlite":
_LOGGER.debug(
@ -242,7 +242,7 @@ def _modify_columns(engine, table_name, columns_def):
columns_def = [f"MODIFY {col_def}" for col_def in columns_def]
try:
engine.execute(
connection.execute(
text(
"ALTER TABLE {table} {columns_def}".format(
table=table_name, columns_def=", ".join(columns_def)
@ -255,7 +255,7 @@ def _modify_columns(engine, table_name, columns_def):
for column_def in columns_def:
try:
engine.execute(
connection.execute(
text(
"ALTER TABLE {table} {column_def}".format(
table=table_name, column_def=column_def
@ -268,9 +268,9 @@ def _modify_columns(engine, table_name, columns_def):
)
def _update_states_table_with_foreign_key_options(engine):
def _update_states_table_with_foreign_key_options(connection, engine):
"""Add the options to foreign key constraints."""
inspector = reflection.Inspector.from_engine(engine)
inspector = sqlalchemy.inspect(engine)
alters = []
for foreign_key in inspector.get_foreign_keys(TABLE_STATES):
if foreign_key["name"] and (
@ -297,25 +297,26 @@ def _update_states_table_with_foreign_key_options(engine):
for alter in alters:
try:
engine.execute(DropConstraint(alter["old_fk"]))
connection.execute(DropConstraint(alter["old_fk"]))
for fkc in states_key_constraints:
if fkc.column_keys == alter["columns"]:
engine.execute(AddConstraint(fkc))
connection.execute(AddConstraint(fkc))
except (InternalError, OperationalError):
_LOGGER.exception(
"Could not update foreign options in %s table", TABLE_STATES
)
def _apply_update(engine, new_version, old_version):
def _apply_update(engine, session, new_version, old_version):
"""Perform operations to bring schema up to date."""
connection = session.connection()
if new_version == 1:
_create_index(engine, "events", "ix_events_time_fired")
_create_index(connection, "events", "ix_events_time_fired")
elif new_version == 2:
# Create compound start/end index for recorder_runs
_create_index(engine, "recorder_runs", "ix_recorder_runs_start_end")
_create_index(connection, "recorder_runs", "ix_recorder_runs_start_end")
# Create indexes for states
_create_index(engine, "states", "ix_states_last_updated")
_create_index(connection, "states", "ix_states_last_updated")
elif new_version == 3:
# There used to be a new index here, but it was removed in version 4.
pass
@ -325,41 +326,41 @@ def _apply_update(engine, new_version, old_version):
if old_version == 3:
# Remove index that was added in version 3
_drop_index(engine, "states", "ix_states_created_domain")
_drop_index(connection, "states", "ix_states_created_domain")
if old_version == 2:
# Remove index that was added in version 2
_drop_index(engine, "states", "ix_states_entity_id_created")
_drop_index(connection, "states", "ix_states_entity_id_created")
# Remove indexes that were added in version 0
_drop_index(engine, "states", "states__state_changes")
_drop_index(engine, "states", "states__significant_changes")
_drop_index(engine, "states", "ix_states_entity_id_created")
_drop_index(connection, "states", "states__state_changes")
_drop_index(connection, "states", "states__significant_changes")
_drop_index(connection, "states", "ix_states_entity_id_created")
_create_index(engine, "states", "ix_states_entity_id_last_updated")
_create_index(connection, "states", "ix_states_entity_id_last_updated")
elif new_version == 5:
# Create supporting index for States.event_id foreign key
_create_index(engine, "states", "ix_states_event_id")
_create_index(connection, "states", "ix_states_event_id")
elif new_version == 6:
_add_columns(
engine,
session,
"events",
["context_id CHARACTER(36)", "context_user_id CHARACTER(36)"],
)
_create_index(engine, "events", "ix_events_context_id")
_create_index(engine, "events", "ix_events_context_user_id")
_create_index(connection, "events", "ix_events_context_id")
_create_index(connection, "events", "ix_events_context_user_id")
_add_columns(
engine,
connection,
"states",
["context_id CHARACTER(36)", "context_user_id CHARACTER(36)"],
)
_create_index(engine, "states", "ix_states_context_id")
_create_index(engine, "states", "ix_states_context_user_id")
_create_index(connection, "states", "ix_states_context_id")
_create_index(connection, "states", "ix_states_context_user_id")
elif new_version == 7:
_create_index(engine, "states", "ix_states_entity_id")
_create_index(connection, "states", "ix_states_entity_id")
elif new_version == 8:
_add_columns(engine, "events", ["context_parent_id CHARACTER(36)"])
_add_columns(engine, "states", ["old_state_id INTEGER"])
_create_index(engine, "events", "ix_events_context_parent_id")
_add_columns(connection, "events", ["context_parent_id CHARACTER(36)"])
_add_columns(connection, "states", ["old_state_id INTEGER"])
_create_index(connection, "events", "ix_events_context_parent_id")
elif new_version == 9:
# We now get the context from events with a join
# since its always there on state_changed events
@ -369,32 +370,36 @@ def _apply_update(engine, new_version, old_version):
# and we would have to move to something like
# sqlalchemy alembic to make that work
#
_drop_index(engine, "states", "ix_states_context_id")
_drop_index(engine, "states", "ix_states_context_user_id")
_drop_index(connection, "states", "ix_states_context_id")
_drop_index(connection, "states", "ix_states_context_user_id")
# This index won't be there if they were not running
# nightly but we don't treat that as a critical issue
_drop_index(engine, "states", "ix_states_context_parent_id")
_drop_index(connection, "states", "ix_states_context_parent_id")
# Redundant keys on composite index:
# We already have ix_states_entity_id_last_updated
_drop_index(engine, "states", "ix_states_entity_id")
_create_index(engine, "events", "ix_events_event_type_time_fired")
_drop_index(engine, "events", "ix_events_event_type")
_drop_index(connection, "states", "ix_states_entity_id")
_create_index(connection, "events", "ix_events_event_type_time_fired")
_drop_index(connection, "events", "ix_events_event_type")
elif new_version == 10:
# Now done in step 11
pass
elif new_version == 11:
_create_index(engine, "states", "ix_states_old_state_id")
_update_states_table_with_foreign_key_options(engine)
_create_index(connection, "states", "ix_states_old_state_id")
_update_states_table_with_foreign_key_options(connection, engine)
elif new_version == 12:
if engine.dialect.name == "mysql":
_modify_columns(engine, "events", ["event_data LONGTEXT"])
_modify_columns(engine, "states", ["attributes LONGTEXT"])
_modify_columns(connection, engine, "events", ["event_data LONGTEXT"])
_modify_columns(connection, engine, "states", ["attributes LONGTEXT"])
elif new_version == 13:
if engine.dialect.name == "mysql":
_modify_columns(
engine, "events", ["time_fired DATETIME(6)", "created DATETIME(6)"]
connection,
engine,
"events",
["time_fired DATETIME(6)", "created DATETIME(6)"],
)
_modify_columns(
connection,
engine,
"states",
[
@ -404,7 +409,7 @@ def _apply_update(engine, new_version, old_version):
],
)
elif new_version == 14:
_modify_columns(engine, "events", ["event_type VARCHAR(64)"])
_modify_columns(connection, engine, "events", ["event_type VARCHAR(64)"])
else:
raise ValueError(f"No schema migration defined for version {new_version}")
@ -418,7 +423,7 @@ def _inspect_schema_version(engine, session):
version 1 are present to make the determination. Eventually this logic
can be removed and we can assume a new db is being created.
"""
inspector = reflection.Inspector.from_engine(engine)
inspector = sqlalchemy.inspect(engine)
indexes = inspector.get_indexes("events")
for index in indexes: