External-Mirrors/awx
2
0
Fork 0
mirror of https://github.com/ansible/awx.git synced 2026-01-13 02:50:02 -03:30
Code Issues Packages Projects Releases Wiki Activity

Rename / remove old main_jobevent table

Browse Source
This commit is contained in:
Jim Ladd 2021-01-27 15:31:14 -08:00
parent c6acca08d5
commit d10d1963c1
1 changed files with 18 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
awx/main/migrations/0124_event_partitions.py
View File

@ -30,28 +30,39 @@ def migrate_event_data(apps, schema_editor):
#):
for tblname in ('main_jobevent',):
with connection.cursor() as cursor:
# mark existing table as *_old;
# we will drop this table after its data
# has been moved over
cursor.execute(
f'ALTER TABLE {tblname} RENAME TO {tblname}_old'
)
# hacky creation of parent table for partition
cursor.execute(
f'CREATE TABLE {tblname}_parent '
f'(LIKE {tblname}, job_created TIMESTAMP WITH TIME ZONE NOT NULL) '
f'CREATE TABLE {tblname} '
f'(LIKE {tblname}_old, job_created TIMESTAMP WITH TIME ZONE NOT NULL) '
f'PARTITION BY RANGE(job_created);'
)
# .. as well as initial partition containing all existing events
cursor.execute(
f'CREATE TABLE {tblname}_part0 '
f'PARTITION OF {tblname}_parent '
f'PARTITION OF {tblname} '
f'FOR VALUES FROM (\'2000-01-01 00:00:00.000000+00\') to (\'2021-02-01 00:00:00.000000+00\');'
)
# copy over all job events into partitioned table
cursor.execute(
f'INSERT INTO {tblname}_parent '
f'SELECT {tblname}.*, main_unifiedjob.created '
f'FROM {tblname} '
f'INNER JOIN main_unifiedjob ON {tblname}.job_id = main_unifiedjob.id;'
f'INSERT INTO {tblname} '
f'SELECT {tblname}_old.*, main_unifiedjob.created '
f'FROM {tblname}_old '
f'INNER JOIN main_unifiedjob ON {tblname}_old.job_id = main_unifiedjob.id;'
)
# drop old table
cursor.execute(
f'DROP TABLE {tblname}_old'
)
class Migration(migrations.Migration):
dependencies = [