mirror of https://github.com/apache/superset.git
perf: improve perf in SIP-68 migration (#19416)
* chore: improve perf in SIP-68 migration * Small fixes * Create tables referenced in SQL * Update logic in SqlaTable as well * Fix unit tests
This commit is contained in:
parent
0968f86584
commit
63b5e2e4fa
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@ -102,7 +102,10 @@ def find_models(module: ModuleType) -> List[Type[Model]]:
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while tables:
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table = tables.pop()
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seen.add(table)
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model = getattr(Base.classes, table)
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try:
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model = getattr(Base.classes, table)
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except AttributeError:
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continue
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model.__tablename__ = table
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models.append(model)
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1
setup.py
1
setup.py
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@ -111,6 +111,7 @@ setup(
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"slackclient==2.5.0", # PINNED! slack changes file upload api in the future versions
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"sqlalchemy>=1.3.16, <1.4, !=1.3.21",
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"sqlalchemy-utils>=0.37.8, <0.38",
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"sqloxide==0.1.15",
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"sqlparse==0.3.0", # PINNED! see https://github.com/andialbrecht/sqlparse/issues/562
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"tabulate==0.8.9",
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# needed to support Literal (3.8) and TypeGuard (3.10)
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@ -78,6 +78,7 @@ from superset.connectors.base.models import BaseColumn, BaseDatasource, BaseMetr
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from superset.connectors.sqla.utils import (
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get_physical_table_metadata,
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get_virtual_table_metadata,
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load_or_create_tables,
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validate_adhoc_subquery,
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)
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from superset.datasets.models import Dataset as NewDataset
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@ -2242,7 +2243,10 @@ class SqlaTable(Model, BaseDatasource): # pylint: disable=too-many-public-metho
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if column.is_active is False:
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continue
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extra_json = json.loads(column.extra or "{}")
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try:
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extra_json = json.loads(column.extra or "{}")
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except json.decoder.JSONDecodeError:
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extra_json = {}
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for attr in {"groupby", "filterable", "verbose_name", "python_date_format"}:
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value = getattr(column, attr)
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if value:
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@ -2269,7 +2273,10 @@ class SqlaTable(Model, BaseDatasource): # pylint: disable=too-many-public-metho
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# create metrics
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for metric in dataset.metrics:
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extra_json = json.loads(metric.extra or "{}")
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try:
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extra_json = json.loads(metric.extra or "{}")
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except json.decoder.JSONDecodeError:
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extra_json = {}
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for attr in {"verbose_name", "metric_type", "d3format"}:
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value = getattr(metric, attr)
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if value:
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@ -2300,8 +2307,7 @@ class SqlaTable(Model, BaseDatasource): # pylint: disable=too-many-public-metho
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)
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# physical dataset
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tables = []
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if dataset.sql is None:
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if not dataset.sql:
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physical_columns = [column for column in columns if column.is_physical]
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# create table
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@ -2314,7 +2320,7 @@ class SqlaTable(Model, BaseDatasource): # pylint: disable=too-many-public-metho
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is_managed_externally=dataset.is_managed_externally,
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external_url=dataset.external_url,
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)
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tables.append(table)
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tables = [table]
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# virtual dataset
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else:
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@ -2325,18 +2331,14 @@ class SqlaTable(Model, BaseDatasource): # pylint: disable=too-many-public-metho
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# find referenced tables
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parsed = ParsedQuery(dataset.sql)
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referenced_tables = parsed.tables
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# predicate for finding the referenced tables
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predicate = or_(
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*[
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and_(
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NewTable.schema == (table.schema or dataset.schema),
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NewTable.name == table.table,
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)
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for table in referenced_tables
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]
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tables = load_or_create_tables(
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session,
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dataset.database_id,
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dataset.schema,
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referenced_tables,
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conditional_quote,
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engine,
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)
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tables = session.query(NewTable).filter(predicate).all()
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# create the new dataset
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new_dataset = NewDataset(
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@ -2345,7 +2347,7 @@ class SqlaTable(Model, BaseDatasource): # pylint: disable=too-many-public-metho
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expression=dataset.sql or conditional_quote(dataset.table_name),
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tables=tables,
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columns=columns,
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is_physical=dataset.sql is None,
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is_physical=not dataset.sql,
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is_managed_externally=dataset.is_managed_externally,
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external_url=dataset.external_url,
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)
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@ -15,13 +15,17 @@
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# specific language governing permissions and limitations
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# under the License.
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from contextlib import closing
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from typing import Dict, List, Optional, TYPE_CHECKING
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from typing import Callable, Dict, List, Optional, Set, TYPE_CHECKING
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import sqlparse
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from flask_babel import lazy_gettext as _
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from sqlalchemy import and_, inspect, or_
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from sqlalchemy.engine import Engine
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from sqlalchemy.exc import NoSuchTableError
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from sqlalchemy.orm import Session
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from sqlalchemy.sql.type_api import TypeEngine
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from superset.columns.models import Column as NewColumn
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from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
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from superset.exceptions import (
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SupersetGenericDBErrorException,
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@ -29,12 +33,16 @@ from superset.exceptions import (
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)
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from superset.models.core import Database
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from superset.result_set import SupersetResultSet
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from superset.sql_parse import has_table_query, ParsedQuery
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from superset.sql_parse import has_table_query, ParsedQuery, Table
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from superset.tables.models import Table as NewTable
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if TYPE_CHECKING:
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from superset.connectors.sqla.models import SqlaTable
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TEMPORAL_TYPES = {"DATETIME", "DATE", "TIME", "TIMEDELTA"}
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def get_physical_table_metadata(
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database: Database,
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table_name: str,
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@ -151,3 +159,78 @@ def validate_adhoc_subquery(raw_sql: str) -> None:
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)
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)
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return
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def load_or_create_tables( # pylint: disable=too-many-arguments
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session: Session,
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database_id: int,
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default_schema: Optional[str],
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tables: Set[Table],
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conditional_quote: Callable[[str], str],
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engine: Engine,
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) -> List[NewTable]:
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"""
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Load or create new table model instances.
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"""
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if not tables:
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return []
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# set the default schema in tables that don't have it
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if default_schema:
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fixed_tables = list(tables)
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for i, table in enumerate(fixed_tables):
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if table.schema is None:
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fixed_tables[i] = Table(table.table, default_schema, table.catalog)
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tables = set(fixed_tables)
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# load existing tables
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predicate = or_(
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*[
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and_(
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NewTable.database_id == database_id,
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NewTable.schema == table.schema,
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NewTable.name == table.table,
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)
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for table in tables
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]
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)
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new_tables = session.query(NewTable).filter(predicate).all()
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# add missing tables
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existing = {(table.schema, table.name) for table in new_tables}
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for table in tables:
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if (table.schema, table.table) not in existing:
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try:
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inspector = inspect(engine)
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column_metadata = inspector.get_columns(
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table.table, schema=table.schema
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)
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except Exception: # pylint: disable=broad-except
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continue
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columns = [
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NewColumn(
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name=column["name"],
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type=str(column["type"]),
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expression=conditional_quote(column["name"]),
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is_temporal=column["type"].python_type.__name__.upper()
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in TEMPORAL_TYPES,
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is_aggregation=False,
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is_physical=True,
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is_spatial=False,
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is_partition=False,
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is_increase_desired=True,
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)
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for column in column_metadata
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]
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new_tables.append(
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NewTable(
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name=table.table,
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schema=table.schema,
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catalog=None,
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database_id=database_id,
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columns=columns,
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)
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)
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existing.add((table.schema, table.table))
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return new_tables
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@ -14,10 +14,39 @@
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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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import logging
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from typing import Any, Iterator, Optional, Set
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from alembic import op
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from sqlalchemy import engine_from_config
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from sqlalchemy.engine import reflection
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from sqlalchemy.exc import NoSuchTableError
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from sqloxide import parse_sql
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from superset.sql_parse import ParsedQuery, Table
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logger = logging.getLogger("alembic")
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# mapping between sqloxide and SQLAlchemy dialects
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sqloxide_dialects = {
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"ansi": {"trino", "trinonative", "presto"},
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"hive": {"hive", "databricks"},
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"ms": {"mssql"},
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"mysql": {"mysql"},
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"postgres": {
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"cockroachdb",
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"hana",
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"netezza",
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"postgres",
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"postgresql",
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"redshift",
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"vertica",
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},
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"snowflake": {"snowflake"},
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"sqlite": {"sqlite", "gsheets", "shillelagh"},
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"clickhouse": {"clickhouse"},
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}
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def table_has_column(table: str, column: str) -> bool:
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@ -38,3 +67,40 @@ def table_has_column(table: str, column: str) -> bool:
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return any(col["name"] == column for col in insp.get_columns(table))
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except NoSuchTableError:
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return False
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def find_nodes_by_key(element: Any, target: str) -> Iterator[Any]:
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"""
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Find all nodes in a SQL tree matching a given key.
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"""
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if isinstance(element, list):
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for child in element:
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yield from find_nodes_by_key(child, target)
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elif isinstance(element, dict):
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for key, value in element.items():
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if key == target:
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yield value
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else:
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yield from find_nodes_by_key(value, target)
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def extract_table_references(sql_text: str, sqla_dialect: str) -> Set[Table]:
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"""
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Return all the dependencies from a SQL sql_text.
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"""
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dialect = "generic"
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for dialect, sqla_dialects in sqloxide_dialects.items():
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if sqla_dialect in sqla_dialects:
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break
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try:
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tree = parse_sql(sql_text, dialect=dialect)
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except Exception: # pylint: disable=broad-except
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logger.warning("Unable to parse query with sqloxide: %s", sql_text)
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# fallback to sqlparse
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parsed = ParsedQuery(sql_text)
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return parsed.tables
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return {
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Table(*[part["value"] for part in table["name"][::-1]])
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for table in find_nodes_by_key(tree, "Table")
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}
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@ -25,7 +25,7 @@ Create Date: 2021-11-11 16:41:53.266965
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"""
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import json
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from typing import List
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from typing import Callable, List, Optional, Set
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from uuid import uuid4
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import sqlalchemy as sa
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@ -40,7 +40,9 @@ from sqlalchemy_utils import UUIDType
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from superset import app, db
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from superset.connectors.sqla.models import ADDITIVE_METRIC_TYPES
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from superset.extensions import encrypted_field_factory
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from superset.sql_parse import ParsedQuery
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from superset.migrations.shared.utils import extract_table_references
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from superset.models.core import Database as OriginalDatabase
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from superset.sql_parse import Table
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# revision identifiers, used by Alembic.
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revision = "b8d3a24d9131"
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@ -228,6 +230,85 @@ class NewDataset(Base):
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external_url = sa.Column(sa.Text, nullable=True)
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TEMPORAL_TYPES = {"DATETIME", "DATE", "TIME", "TIMEDELTA"}
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def load_or_create_tables(
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session: Session,
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database_id: int,
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default_schema: Optional[str],
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tables: Set[Table],
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conditional_quote: Callable[[str], str],
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) -> List[NewTable]:
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"""
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Load or create new table model instances.
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"""
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if not tables:
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return []
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# set the default schema in tables that don't have it
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if default_schema:
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tables = list(tables)
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for i, table in enumerate(tables):
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if table.schema is None:
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tables[i] = Table(table.table, default_schema, table.catalog)
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# load existing tables
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predicate = or_(
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*[
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and_(
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NewTable.database_id == database_id,
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NewTable.schema == table.schema,
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NewTable.name == table.table,
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)
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for table in tables
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]
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)
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new_tables = session.query(NewTable).filter(predicate).all()
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# use original database model to get the engine
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engine = (
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session.query(OriginalDatabase)
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.filter_by(id=database_id)
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.one()
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.get_sqla_engine(default_schema)
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)
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inspector = inspect(engine)
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# add missing tables
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existing = {(table.schema, table.name) for table in new_tables}
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for table in tables:
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if (table.schema, table.table) not in existing:
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column_metadata = inspector.get_columns(table.table, schema=table.schema)
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columns = [
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NewColumn(
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name=column["name"],
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type=str(column["type"]),
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expression=conditional_quote(column["name"]),
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is_temporal=column["type"].python_type.__name__.upper()
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in TEMPORAL_TYPES,
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is_aggregation=False,
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is_physical=True,
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is_spatial=False,
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is_partition=False,
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is_increase_desired=True,
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)
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for column in column_metadata
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]
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new_tables.append(
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NewTable(
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name=table.table,
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schema=table.schema,
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catalog=None,
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database_id=database_id,
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columns=columns,
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)
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)
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existing.add((table.schema, table.table))
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return new_tables
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def after_insert(target: SqlaTable) -> None: # pylint: disable=too-many-locals
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"""
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Copy old datasets to the new models.
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|
@ -253,7 +334,10 @@ def after_insert(target: SqlaTable) -> None: # pylint: disable=too-many-locals
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if column.is_active is False:
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continue
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extra_json = json.loads(column.extra or "{}")
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try:
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extra_json = json.loads(column.extra or "{}")
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except json.decoder.JSONDecodeError:
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extra_json = {}
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for attr in {"groupby", "filterable", "verbose_name", "python_date_format"}:
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value = getattr(column, attr)
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if value:
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|
@ -279,7 +363,10 @@ def after_insert(target: SqlaTable) -> None: # pylint: disable=too-many-locals
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# create metrics
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for metric in target.metrics:
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extra_json = json.loads(metric.extra or "{}")
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try:
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extra_json = json.loads(metric.extra or "{}")
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except json.decoder.JSONDecodeError:
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extra_json = {}
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for attr in {"verbose_name", "metric_type", "d3format"}:
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value = getattr(metric, attr)
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if value:
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|
@ -309,8 +396,7 @@ def after_insert(target: SqlaTable) -> None: # pylint: disable=too-many-locals
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)
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# physical dataset
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tables = []
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if target.sql is None:
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if not target.sql:
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physical_columns = [column for column in columns if column.is_physical]
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# create table
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|
@ -323,7 +409,7 @@ def after_insert(target: SqlaTable) -> None: # pylint: disable=too-many-locals
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is_managed_externally=target.is_managed_externally,
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external_url=target.external_url,
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)
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tables.append(table)
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tables = [table]
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# virtual dataset
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else:
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|
@ -332,20 +418,14 @@ def after_insert(target: SqlaTable) -> None: # pylint: disable=too-many-locals
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column.is_physical = False
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# find referenced tables
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parsed = ParsedQuery(target.sql)
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referenced_tables = parsed.tables
|
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|
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# predicate for finding the referenced tables
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predicate = or_(
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*[
|
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and_(
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NewTable.schema == (table.schema or target.schema),
|
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NewTable.name == table.table,
|
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)
|
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for table in referenced_tables
|
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]
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referenced_tables = extract_table_references(target.sql, dialect_class.name)
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tables = load_or_create_tables(
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session,
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target.database_id,
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target.schema,
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referenced_tables,
|
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conditional_quote,
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)
|
||||
tables = session.query(NewTable).filter(predicate).all()
|
||||
|
||||
# create the new dataset
|
||||
dataset = NewDataset(
|
||||
|
@ -354,7 +434,7 @@ def after_insert(target: SqlaTable) -> None: # pylint: disable=too-many-locals
|
|||
expression=target.sql or conditional_quote(target.table_name),
|
||||
tables=tables,
|
||||
columns=columns,
|
||||
is_physical=target.sql is None,
|
||||
is_physical=not target.sql,
|
||||
is_managed_externally=target.is_managed_externally,
|
||||
external_url=target.external_url,
|
||||
)
|
||||
|
|
|
@ -0,0 +1,16 @@
|
|||
# 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.
|
|
@ -0,0 +1,16 @@
|
|||
# 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.
|
|
@ -0,0 +1,56 @@
|
|||
# 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.
|
||||
# pylint: disable=import-outside-toplevel, unused-argument
|
||||
|
||||
"""
|
||||
Test the SIP-68 migration.
|
||||
"""
|
||||
|
||||
from pytest_mock import MockerFixture
|
||||
|
||||
from superset.sql_parse import Table
|
||||
|
||||
|
||||
def test_extract_table_references(mocker: MockerFixture, app_context: None) -> None:
|
||||
"""
|
||||
Test the ``extract_table_references`` helper function.
|
||||
"""
|
||||
from superset.migrations.shared.utils import extract_table_references
|
||||
|
||||
assert extract_table_references("SELECT 1", "trino") == set()
|
||||
assert extract_table_references("SELECT 1 FROM some_table", "trino") == {
|
||||
Table(table="some_table", schema=None, catalog=None)
|
||||
}
|
||||
assert extract_table_references(
|
||||
"SELECT 1 FROM some_catalog.some_schema.some_table", "trino"
|
||||
) == {Table(table="some_table", schema="some_schema", catalog="some_catalog")}
|
||||
assert extract_table_references(
|
||||
"SELECT * FROM some_table JOIN other_table ON some_table.id = other_table.id",
|
||||
"trino",
|
||||
) == {
|
||||
Table(table="some_table", schema=None, catalog=None),
|
||||
Table(table="other_table", schema=None, catalog=None),
|
||||
}
|
||||
|
||||
# test falling back to sqlparse
|
||||
logger = mocker.patch("superset.migrations.shared.utils.logger")
|
||||
sql = "SELECT * FROM table UNION ALL SELECT * FROM other_table"
|
||||
assert extract_table_references(
|
||||
sql,
|
||||
"trino",
|
||||
) == {Table(table="other_table", schema=None, catalog=None)}
|
||||
logger.warning.assert_called_with("Unable to parse query with sqloxide: %s", sql)
|
Loading…
Reference in New Issue