mirror of
				https://github.com/asterisk/asterisk.git
				synced 2025-11-03 20:38:59 +00:00 
			
		
		
		
	MS-SQL has no native Enum-type support and therefore needs to work with constraints. Since these constraints need unique names the suggested approach referenced in the following alembic documentation has been applied: http://bit.ly/2x9r8pb ASTERISK-27255 #close Change-Id: I8b579750dae0c549f1103ee50172644afb9b2f95
		
			
				
	
	
		
			34 lines
		
	
	
		
			949 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			949 B
		
	
	
	
		
			Python
		
	
	
	
	
	
"""empty message
 | 
						|
 | 
						|
Revision ID: 15db7b91a97a
 | 
						|
Revises: 465e70e8c337
 | 
						|
Create Date: 2017-03-08 16:56:38.108162
 | 
						|
 | 
						|
"""
 | 
						|
 | 
						|
# revision identifiers, used by Alembic.
 | 
						|
revision = '15db7b91a97a'
 | 
						|
down_revision = '465e70e8c337'
 | 
						|
 | 
						|
from alembic import op
 | 
						|
import sqlalchemy as sa
 | 
						|
from sqlalchemy.dialects.postgresql import ENUM
 | 
						|
 | 
						|
YESNO_NAME = 'yesno_values'
 | 
						|
YESNO_VALUES = ['yes', 'no']
 | 
						|
 | 
						|
def upgrade():
 | 
						|
    ############################# Enums ##############################
 | 
						|
 | 
						|
    # yesno_values have already been created, so use postgres enum object
 | 
						|
    # type to get around "already created" issue - works okay with mysql
 | 
						|
    yesno_values = ENUM(*YESNO_VALUES, name=YESNO_NAME, create_type=False)
 | 
						|
 | 
						|
    op.add_column('ps_endpoints', sa.Column('rtcp_mux', yesno_values))
 | 
						|
 | 
						|
 | 
						|
def downgrade():
 | 
						|
    if op.get_context().bind.dialect.name == 'mssql':
 | 
						|
        op.drop_constraint('ck_ps_endpoints_rtcp_mux_yesno_values','ps_endpoints')
 | 
						|
    op.drop_column('ps_endpoints', 'rtcp_mux')
 |