1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
"""Add auto_info to endpoint dtmf_mode
Revision ID: 164abbd708c
Revises: 86bb1efa278d
Create Date: 2017-06-19 13:55:15.354706
"""
# revision identifiers, used by Alembic.
revision = '164abbd708c'
down_revision = 'd7983954dd96'
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import ENUM
OLD_ENUM = ['rfc4733', 'inband', 'info', 'auto']
NEW_ENUM = ['rfc4733', 'inband', 'info', 'auto', 'auto_info']
old_type = sa.Enum(*OLD_ENUM, name='pjsip_dtmf_mode_values_v2')
new_type = sa.Enum(*NEW_ENUM, name='pjsip_dtmf_mode_values_v3')
def upgrade():
context = op.get_context()
# Upgrading to this revision WILL clear your directmedia values.
if context.bind.dialect.name != 'postgresql':
op.alter_column('ps_endpoints', 'dtmf_mode',
type_=new_type,
existing_type=old_type)
else:
enum = ENUM('rfc4733', 'inband', 'info', 'auto', 'auto_info',
name='pjsip_dtmf_mode_values_v3')
enum.create(op.get_bind(), checkfirst=False)
op.execute('ALTER TABLE ps_endpoints ALTER COLUMN dtmf_mode TYPE'
' pjsip_dtmf_mode_values_v3 USING'
' dtmf_mode::text::pjsip_dtmf_mode_values_v3')
ENUM(name="pjsip_dtmf_mode_values_v2").drop(op.get_bind(), checkfirst=False)
def downgrade():
context = op.get_context()
if context.bind.dialect.name != 'postgresql':
op.alter_column('ps_endpoints', 'dtmf_mode',
type_=old_type,
existing_type=new_type)
else:
enum = ENUM('rfc4733', 'inband', 'info', 'auto',
name='pjsip_dtmf_mode_values_v2')
enum.create(op.get_bind(), checkfirst=False)
op.execute('ALTER TABLE ps_endpoints ALTER COLUMN dtmf_mode TYPE'
' pjsip_dtmf_mode_values_v2 USING'
' dtmf_mode::text::pjsip_dtmf_mode_values_v2')
ENUM(name="pjsip_dtmf_mode_values_v3").drop(op.get_bind(), checkfirst=False)
|
