Files
superset2/superset/models/sql_lab.py
Bogdan 4e1fa95035 Make schema name for the CTA queries and limit configurable (#8867)
* Make schema name configurable

Fixing unit tests

Fix table quoting

Mypy

Split tests out for sqlite

Grant more permissions for mysql user

Postgres doesn't support if not exists

More logging

Commit for table creation

Priviliges for postgres

Update tests

Resolve comments

Lint

No limits for the CTA queries if configures

* CTA -> CTAS and dict -> {}

* Move database creation to the .travis file

* Black

* Move tweaks to travis db setup

* Remove left over version

* Address comments

* Quote table names in the CTAS queries

* Pass tmp_schema_name for the query execution

* Rebase alembic migration

* Switch to python3 mypy

* SQLLAB_CTA_SCHEMA_NAME_FUNC -> SQLLAB_CTAS_SCHEMA_NAME_FUNC

* Black
2020-03-03 19:52:20 +02:00

287 lines
9.4 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
"""A collection of ORM sqlalchemy models for SQL Lab"""
import re
from datetime import datetime
# pylint: disable=ungrouped-imports
import simplejson as json
import sqlalchemy as sqla
from flask import Markup
from flask_appbuilder import Model
from sqlalchemy import (
Boolean,
Column,
DateTime,
ForeignKey,
Integer,
Numeric,
String,
Text,
)
from sqlalchemy.orm import backref, relationship
from superset import security_manager
from superset.models.helpers import AuditMixinNullable, ExtraJSONMixin
from superset.models.tags import QueryUpdater
from superset.utils.core import QueryStatus, user_label
class Query(Model, ExtraJSONMixin):
"""ORM model for SQL query
Now that SQL Lab support multi-statement execution, an entry in this
table may represent multiple SQL statements executed sequentially"""
__tablename__ = "query"
id = Column(Integer, primary_key=True) # pylint: disable=invalid-name
client_id = Column(String(11), unique=True, nullable=False)
database_id = Column(Integer, ForeignKey("dbs.id"), nullable=False)
# Store the tmp table into the DB only if the user asks for it.
tmp_table_name = Column(String(256))
tmp_schema_name = Column(String(256))
user_id = Column(Integer, ForeignKey("ab_user.id"), nullable=True)
status = Column(String(16), default=QueryStatus.PENDING)
tab_name = Column(String(256))
sql_editor_id = Column(String(256))
schema = Column(String(256))
sql = Column(Text)
# Query to retrieve the results,
# used only in case of select_as_cta_used is true.
select_sql = Column(Text)
executed_sql = Column(Text)
# Could be configured in the superset config.
limit = Column(Integer)
select_as_cta = Column(Boolean)
select_as_cta_used = Column(Boolean, default=False)
progress = Column(Integer, default=0) # 1..100
# # of rows in the result set or rows modified.
rows = Column(Integer)
error_message = Column(Text)
# key used to store the results in the results backend
results_key = Column(String(64), index=True)
# Using Numeric in place of DateTime for sub-second precision
# stored as seconds since epoch, allowing for milliseconds
start_time = Column(Numeric(precision=20, scale=6))
start_running_time = Column(Numeric(precision=20, scale=6))
end_time = Column(Numeric(precision=20, scale=6))
end_result_backend_time = Column(Numeric(precision=20, scale=6))
tracking_url = Column(Text)
changed_on = Column(
DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=True
)
database = relationship(
"Database",
foreign_keys=[database_id],
backref=backref("queries", cascade="all, delete-orphan"),
)
user = relationship(security_manager.user_model, foreign_keys=[user_id])
__table_args__ = (sqla.Index("ti_user_id_changed_on", user_id, changed_on),)
def to_dict(self):
return {
"changedOn": self.changed_on,
"changed_on": self.changed_on.isoformat(),
"dbId": self.database_id,
"db": self.database.database_name,
"endDttm": self.end_time,
"errorMessage": self.error_message,
"executedSql": self.executed_sql,
"id": self.client_id,
"limit": self.limit,
"progress": self.progress,
"rows": self.rows,
"schema": self.schema,
"ctas": self.select_as_cta,
"serverId": self.id,
"sql": self.sql,
"sqlEditorId": self.sql_editor_id,
"startDttm": self.start_time,
"state": self.status.lower(),
"tab": self.tab_name,
"tempTable": self.tmp_table_name,
"userId": self.user_id,
"user": user_label(self.user),
"resultsKey": self.results_key,
"trackingUrl": self.tracking_url,
"extra": self.extra,
}
@property
def name(self):
"""Name property"""
ts = datetime.now().isoformat()
ts = ts.replace("-", "").replace(":", "").split(".")[0]
tab = self.tab_name.replace(" ", "_").lower() if self.tab_name else "notab"
tab = re.sub(r"\W+", "", tab)
return f"sqllab_{tab}_{ts}"
@property
def database_name(self):
return self.database.name
@property
def username(self):
return self.user.username
class SavedQuery(Model, AuditMixinNullable, ExtraJSONMixin):
"""ORM model for SQL query"""
__tablename__ = "saved_query"
id = Column(Integer, primary_key=True) # pylint: disable=invalid-name
user_id = Column(Integer, ForeignKey("ab_user.id"), nullable=True)
db_id = Column(Integer, ForeignKey("dbs.id"), nullable=True)
schema = Column(String(128))
label = Column(String(256))
description = Column(Text)
sql = Column(Text)
user = relationship(
security_manager.user_model,
backref=backref("saved_queries", cascade="all, delete-orphan"),
foreign_keys=[user_id],
)
database = relationship(
"Database",
foreign_keys=[db_id],
backref=backref("saved_queries", cascade="all, delete-orphan"),
)
@property
def pop_tab_link(self):
return Markup(
f"""
<a href="/superset/sqllab?savedQueryId={self.id}">
<i class="fa fa-link"></i>
</a>
"""
)
@property
def user_email(self):
return self.user.email
@property
def sqlalchemy_uri(self):
return self.database.sqlalchemy_uri
def url(self):
return "/superset/sqllab?savedQueryId={0}".format(self.id)
class TabState(Model, AuditMixinNullable, ExtraJSONMixin):
__tablename__ = "tab_state"
# basic info
id = Column( # pylint: disable=invalid-name
Integer, primary_key=True, autoincrement=True
)
user_id = Column(Integer, ForeignKey("ab_user.id"))
label = Column(String(256))
active = Column(Boolean, default=False)
# selected DB and schema
database_id = Column(Integer, ForeignKey("dbs.id"))
database = relationship("Database", foreign_keys=[database_id])
schema = Column(String(256))
# tables that are open in the schema browser and their data previews
table_schemas = relationship(
"TableSchema",
cascade="all, delete-orphan",
backref="tab_state",
passive_deletes=True,
)
# the query in the textarea, and results (if any)
sql = Column(Text)
query_limit = Column(Integer)
# latest query that was run
latest_query_id = Column(Integer, ForeignKey("query.client_id"))
latest_query = relationship("Query")
# other properties
autorun = Column(Boolean, default=False)
template_params = Column(Text)
def to_dict(self):
return {
"id": self.id,
"user_id": self.user_id,
"label": self.label,
"active": self.active,
"database_id": self.database_id,
"schema": self.schema,
"table_schemas": [ts.to_dict() for ts in self.table_schemas],
"sql": self.sql,
"query_limit": self.query_limit,
"latest_query": self.latest_query.to_dict() if self.latest_query else None,
"autorun": self.autorun,
"template_params": self.template_params,
}
class TableSchema(Model, AuditMixinNullable, ExtraJSONMixin):
__tablename__ = "table_schema"
id = Column( # pylint: disable=invalid-name
Integer, primary_key=True, autoincrement=True
)
tab_state_id = Column(Integer, ForeignKey("tab_state.id", ondelete="CASCADE"))
database_id = Column(Integer, ForeignKey("dbs.id"), nullable=False)
database = relationship("Database", foreign_keys=[database_id])
schema = Column(String(256))
table = Column(String(256))
# JSON describing the schema, partitions, latest partition, etc.
description = Column(Text)
expanded = Column(Boolean, default=False)
def to_dict(self):
try:
description = json.loads(self.description)
except json.JSONDecodeError:
description = None
return {
"id": self.id,
"tab_state_id": self.tab_state_id,
"database_id": self.database_id,
"schema": self.schema,
"table": self.table,
"description": description,
"expanded": self.expanded,
}
# events for updating tags
sqla.event.listen(SavedQuery, "after_insert", QueryUpdater.after_insert)
sqla.event.listen(SavedQuery, "after_update", QueryUpdater.after_update)
sqla.event.listen(SavedQuery, "after_delete", QueryUpdater.after_delete)