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02b3fb1d63
* Visualize after running Ctas query (#4) * Visualize after running Ctas query. Stub for table viz Work on the viz Add JS functionality for Ctas viz Add test for the table viz flow Fix test Add js test for the ctas viz * Fix tests * Resolve comments * Leverate tmpSchema in the query object * Fix i18n string Co-authored-by: bogdan kyryliuk <bogdankyryliuk@dropbox.com>
284 lines
9.3 KiB
Python
284 lines
9.3 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""A collection of ORM sqlalchemy models for SQL Lab"""
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import re
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from datetime import datetime
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# pylint: disable=ungrouped-imports
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import simplejson as json
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import sqlalchemy as sqla
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from flask import Markup
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from flask_appbuilder import Model
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from sqlalchemy import (
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Boolean,
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Column,
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DateTime,
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ForeignKey,
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Integer,
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Numeric,
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String,
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Text,
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)
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from sqlalchemy.orm import backref, relationship
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from superset import security_manager
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from superset.models.helpers import AuditMixinNullable, ExtraJSONMixin
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from superset.models.tags import QueryUpdater
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from superset.utils.core import QueryStatus, user_label
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class Query(Model, ExtraJSONMixin):
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"""ORM model for SQL query
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Now that SQL Lab support multi-statement execution, an entry in this
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table may represent multiple SQL statements executed sequentially"""
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__tablename__ = "query"
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id = Column(Integer, primary_key=True)
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client_id = Column(String(11), unique=True, nullable=False)
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database_id = Column(Integer, ForeignKey("dbs.id"), nullable=False)
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# Store the tmp table into the DB only if the user asks for it.
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tmp_table_name = Column(String(256))
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tmp_schema_name = Column(String(256))
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user_id = Column(Integer, ForeignKey("ab_user.id"), nullable=True)
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status = Column(String(16), default=QueryStatus.PENDING)
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tab_name = Column(String(256))
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sql_editor_id = Column(String(256))
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schema = Column(String(256))
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sql = Column(Text)
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# Query to retrieve the results,
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# used only in case of select_as_cta_used is true.
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select_sql = Column(Text)
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executed_sql = Column(Text)
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# Could be configured in the superset config.
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limit = Column(Integer)
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select_as_cta = Column(Boolean)
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select_as_cta_used = Column(Boolean, default=False)
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progress = Column(Integer, default=0) # 1..100
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# # of rows in the result set or rows modified.
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rows = Column(Integer)
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error_message = Column(Text)
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# key used to store the results in the results backend
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results_key = Column(String(64), index=True)
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# Using Numeric in place of DateTime for sub-second precision
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# stored as seconds since epoch, allowing for milliseconds
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start_time = Column(Numeric(precision=20, scale=6))
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start_running_time = Column(Numeric(precision=20, scale=6))
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end_time = Column(Numeric(precision=20, scale=6))
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end_result_backend_time = Column(Numeric(precision=20, scale=6))
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tracking_url = Column(Text)
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changed_on = Column(
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DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=True
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)
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database = relationship(
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"Database",
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foreign_keys=[database_id],
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backref=backref("queries", cascade="all, delete-orphan"),
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)
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user = relationship(security_manager.user_model, foreign_keys=[user_id])
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__table_args__ = (sqla.Index("ti_user_id_changed_on", user_id, changed_on),)
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def to_dict(self):
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return {
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"changedOn": self.changed_on,
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"changed_on": self.changed_on.isoformat(),
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"dbId": self.database_id,
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"db": self.database.database_name,
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"endDttm": self.end_time,
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"errorMessage": self.error_message,
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"executedSql": self.executed_sql,
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"id": self.client_id,
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"limit": self.limit,
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"progress": self.progress,
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"rows": self.rows,
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"schema": self.schema,
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"ctas": self.select_as_cta,
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"serverId": self.id,
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"sql": self.sql,
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"sqlEditorId": self.sql_editor_id,
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"startDttm": self.start_time,
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"state": self.status.lower(),
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"tab": self.tab_name,
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"tempSchema": self.tmp_schema_name,
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"tempTable": self.tmp_table_name,
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"userId": self.user_id,
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"user": user_label(self.user),
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"resultsKey": self.results_key,
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"trackingUrl": self.tracking_url,
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"extra": self.extra,
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}
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@property
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def name(self):
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"""Name property"""
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ts = datetime.now().isoformat()
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ts = ts.replace("-", "").replace(":", "").split(".")[0]
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tab = self.tab_name.replace(" ", "_").lower() if self.tab_name else "notab"
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tab = re.sub(r"\W+", "", tab)
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return f"sqllab_{tab}_{ts}"
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@property
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def database_name(self):
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return self.database.name
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@property
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def username(self):
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return self.user.username
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class SavedQuery(Model, AuditMixinNullable, ExtraJSONMixin):
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"""ORM model for SQL query"""
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__tablename__ = "saved_query"
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id = Column(Integer, primary_key=True)
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user_id = Column(Integer, ForeignKey("ab_user.id"), nullable=True)
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db_id = Column(Integer, ForeignKey("dbs.id"), nullable=True)
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schema = Column(String(128))
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label = Column(String(256))
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description = Column(Text)
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sql = Column(Text)
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user = relationship(
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security_manager.user_model,
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backref=backref("saved_queries", cascade="all, delete-orphan"),
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foreign_keys=[user_id],
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)
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database = relationship(
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"Database",
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foreign_keys=[db_id],
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backref=backref("saved_queries", cascade="all, delete-orphan"),
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)
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@property
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def pop_tab_link(self):
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return Markup(
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f"""
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<a href="/superset/sqllab?savedQueryId={self.id}">
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<i class="fa fa-link"></i>
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</a>
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"""
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)
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@property
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def user_email(self):
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return self.user.email
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@property
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def sqlalchemy_uri(self):
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return self.database.sqlalchemy_uri
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def url(self):
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return "/superset/sqllab?savedQueryId={0}".format(self.id)
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class TabState(Model, AuditMixinNullable, ExtraJSONMixin):
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__tablename__ = "tab_state"
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# basic info
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id = Column(Integer, primary_key=True, autoincrement=True)
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user_id = Column(Integer, ForeignKey("ab_user.id"))
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label = Column(String(256))
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active = Column(Boolean, default=False)
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# selected DB and schema
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database_id = Column(Integer, ForeignKey("dbs.id"))
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database = relationship("Database", foreign_keys=[database_id])
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schema = Column(String(256))
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# tables that are open in the schema browser and their data previews
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table_schemas = relationship(
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"TableSchema",
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cascade="all, delete-orphan",
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backref="tab_state",
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passive_deletes=True,
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)
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# the query in the textarea, and results (if any)
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sql = Column(Text)
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query_limit = Column(Integer)
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# latest query that was run
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latest_query_id = Column(Integer, ForeignKey("query.client_id"))
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latest_query = relationship("Query")
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# other properties
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autorun = Column(Boolean, default=False)
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template_params = Column(Text)
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def to_dict(self):
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return {
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"id": self.id,
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"user_id": self.user_id,
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"label": self.label,
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"active": self.active,
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"database_id": self.database_id,
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"schema": self.schema,
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"table_schemas": [ts.to_dict() for ts in self.table_schemas],
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"sql": self.sql,
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"query_limit": self.query_limit,
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"latest_query": self.latest_query.to_dict() if self.latest_query else None,
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"autorun": self.autorun,
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"template_params": self.template_params,
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}
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class TableSchema(Model, AuditMixinNullable, ExtraJSONMixin):
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__tablename__ = "table_schema"
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id = Column(Integer, primary_key=True, autoincrement=True)
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tab_state_id = Column(Integer, ForeignKey("tab_state.id", ondelete="CASCADE"))
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database_id = Column(Integer, ForeignKey("dbs.id"), nullable=False)
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database = relationship("Database", foreign_keys=[database_id])
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schema = Column(String(256))
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table = Column(String(256))
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# JSON describing the schema, partitions, latest partition, etc.
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description = Column(Text)
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expanded = Column(Boolean, default=False)
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def to_dict(self):
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try:
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description = json.loads(self.description)
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except json.JSONDecodeError:
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description = None
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return {
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"id": self.id,
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"tab_state_id": self.tab_state_id,
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"database_id": self.database_id,
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"schema": self.schema,
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"table": self.table,
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"description": description,
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"expanded": self.expanded,
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}
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# events for updating tags
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sqla.event.listen(SavedQuery, "after_insert", QueryUpdater.after_insert)
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sqla.event.listen(SavedQuery, "after_update", QueryUpdater.after_update)
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sqla.event.listen(SavedQuery, "after_delete", QueryUpdater.after_delete)
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