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chore(db-migration): ensure query_context is MediumText before viz migration (#20936)

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This commit is contained in:
Jesse Yang
2022-08-08 13:30:46 -07:00
committed by GitHub
parent bb3871ddaf
commit 2c8867e4e4
2 changed files with 13 additions and 3 deletions
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11
superset/migrations/versions/2022-07-07_13-00_c747c78868b6_migrating_legacy_treemap.py
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@@ -21,6 +21,9 @@ Revises: cdcf3d64daf4
Create Date: 2022-06-30 22:04:17.686635
"""
from alembic import op
from sqlalchemy.dialects.mysql.base import MySQLDialect
from superset.migrations.shared.migrate_viz import MigrateTreeMap
# revision identifiers, used by Alembic.
@@ -29,6 +32,14 @@ down_revision = "cdcf3d64daf4"
def upgrade():
# Ensure `slice.params` and `slice.query_context`` in MySQL is MEDIUMTEXT
# before migration, as the migration will save a duplicate form_data backup
# which may significantly increase the size of these fields.
if isinstance(op.get_bind().dialect, MySQLDialect):
# If the columns are already MEDIUMTEXT, this is a no-op
op.execute("ALTER TABLE slices MODIFY params MEDIUMTEXT")
op.execute("ALTER TABLE slices MODIFY query_context MEDIUMTEXT")
MigrateTreeMap.upgrade()

5
superset/migrations/versions/2022-07-19_15-16_a39867932713_query_context_to_mediumtext.py
View File

@@ -21,14 +21,13 @@ Revises: 06e1e70058c7
Create Date: 2022-07-19 15:16:06.091961
"""
from alembic import op
from sqlalchemy.dialects.mysql.base import MySQLDialect
# revision identifiers, used by Alembic.
revision = "a39867932713"
down_revision = "06e1e70058c7"
from alembic import op
from sqlalchemy.dialects.mysql.base import MySQLDialect
def upgrade():
if isinstance(op.get_bind().dialect, MySQLDialect):