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							- from flask_sqlalchemy import SQLAlchemy
 
- from sqlalchemy import MetaData
 
- POSTGRES_INDEXES_NAMING_CONVENTION = {
 
-     "ix": "%(column_0_label)s_idx",
 
-     "uq": "%(table_name)s_%(column_0_name)s_key",
 
-     "ck": "%(table_name)s_%(constraint_name)s_check",
 
-     "fk": "%(table_name)s_%(column_0_name)s_fkey",
 
-     "pk": "%(table_name)s_pkey",
 
- }
 
- metadata = MetaData(naming_convention=POSTGRES_INDEXES_NAMING_CONVENTION)
 
- db = SQLAlchemy(metadata=metadata)
 
 
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