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@@ -5,7 +5,7 @@ import traceback
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import warnings
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from typing import Any, Callable, Dict, TypeVar
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from sqlalchemy import JSON, Column, Engine, Integer, create_engine, event, exc, inspect
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from sqlalchemy import JSON, Column, Engine, Integer, create_engine, event, exc, func, inspect
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import Session, configure_mappers
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from sqlalchemy.sql.schema import Table
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@@ -148,3 +148,19 @@ def after_cursor_execute(conn, cursor, statement, parameters, context, executema
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logger.debug("*" * (elapsed_n))
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logger.debug(f"{elapsed:.3f} s")
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del conn.cursor_id # Удаление идентификатора курсора после выполнения
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def get_json_builder():
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"""
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Возвращает подходящие функции для построения JSON объектов в зависимости от драйвера БД
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"""
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dialect = engine.dialect.name
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if dialect.startswith('postgres'):
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return func.json_build_object, func.json_agg
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elif dialect.startswith('sqlite') or dialect.startswith('mysql'):
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return func.json_object, func.json_group_array
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else:
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raise NotImplementedError(f"JSON builder not implemented for dialect {dialect}")
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# Используем их в коде
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json_builder, json_array_builder = get_json_builder()
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