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downgrade()   A
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↳ Parent: 79ff53a30228_unique_concept_id_conceptscheme_id

Complexity

Conditions 2

Size

Total Lines 3
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 3
dl 0
loc 3
rs 10
c 0
b 0
f 0
cc 2
nop 0
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"""unique concept.id + conceptscheme.id
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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Revision ID: 79ff53a30228

            


            
                                                                                                            
                            
            
                                    
            
            

                
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Revises: 3e9675b35dfc

            


            
                                                                                                            
                            
            
                                    
            
            

                
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Create Date: 2020-09-14 12:23:22.546226

            


            
                                                                                                            
                            
            
                                    
            
            

                
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"""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from alembic import op

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# revision identifiers, used by Alembic.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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revision = "79ff53a30228"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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down_revision = "3e9675b35dfc"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def upgrade():

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    with op.batch_alter_table("concept") as batch_op:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        batch_op.create_unique_constraint(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            "uq_concept_concept_id_conceptscheme_id", ["concept_id", "conceptscheme_id"]

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        )

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def downgrade():

            


            
                                                        
            
                                    
            
            

                
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    with op.batch_alter_table("concept") as batch_op:

            


            
                                                        
            
                                    
            
            

                
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        batch_op.drop_constraint("uq_concept_concept_id_conceptscheme_id")

            


            
                                                        
            
                                    
            
            

                
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