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If the column has a Python-side default, we will create a bound parameter for it and "pre-execute" the Python function. If the column has a SQL expression default, or is a sequence, we will add it directly into the INSERT statement and add a RETURNING element to get the new value. If the column has a server side default or is marked as the "autoincrement" column, we will add a RETRUNING element to get at the value. If all the above tests fail, that indicates a primary key column with no noted default generation capabilities that has no parameter passed; raise an exception. 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Primary key columns typically may not store NULL.r a0 Note that as of SQLAlchemy 1.1, 'autoincrement=True' must be indicated explicitly for composite (e.g. multicolumn) primary keys if AUTO_INCREMENT/SERIAL/IDENTITY behavior is expected for one of the columns in the primary key. CREATE TABLE statements are impacted by this change as well on most backends.)r+ �fullnamerG r ra r �warn)r �msgr r r rh s �� �rh )TFN)TN)TN)"�__doc__rL � r r r r �symbolr r r r r r r r. r4 r5 r` rc rv r| Z ColumnElementr} r� rd re rV ri r2 r; r0 rQ rh r r r r �<module> sD � !u � $0\.) % @ +
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