From 50480dc50679a35abe7bf63afbfbcc8706308f7b Mon Sep 17 00:00:00 2001
From: Mark <zhuwenhui5566@163.com>
Date: Thu, 8 Jan 2026 15:21:23 +0800
Subject: [PATCH] [add] migration script

---
 .../versions/a959b201c507_202601081520.py     | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 api/migrations/versions/a959b201c507_202601081520.py

diff --git a/api/migrations/versions/a959b201c507_202601081520.py b/api/migrations/versions/a959b201c507_202601081520.py
new file mode 100644
index 00000000..02331592
--- /dev/null
+++ b/api/migrations/versions/a959b201c507_202601081520.py
@@ -0,0 +1,48 @@
+"""202601081520
+
+Revision ID: a959b201c507
+Revises: c6d4afa27bf0
+Create Date: 2026-01-08 15:20:29.742666
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'a959b201c507'
+down_revision: Union[str, None] = 'c6d4afa27bf0'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('forgetting_cycle_history',
+    sa.Column('id', sa.UUID(), nullable=False, comment='主键ID'),
+    sa.Column('end_user_id', sa.String(length=255), nullable=False, comment='终端用户ID'),
+    sa.Column('execution_time', sa.DateTime(), nullable=False, comment='执行时间'),
+    sa.Column('merged_count', sa.Integer(), nullable=True, comment='本次成功融合的节点对数'),
+    sa.Column('failed_count', sa.Integer(), nullable=True, comment='本次融合失败的节点对数'),
+    sa.Column('average_activation_value', sa.Float(), nullable=True, comment='平均激活值'),
+    sa.Column('total_nodes', sa.Integer(), nullable=True, comment='总节点数'),
+    sa.Column('low_activation_nodes', sa.Integer(), nullable=True, comment='低于遗忘阈值的节点总数（包含已融合、失败和待处理的）'),
+    sa.Column('duration_seconds', sa.Float(), nullable=True, comment='执行耗时（秒）'),
+    sa.Column('trigger_type', sa.String(length=50), nullable=True, comment='触发类型: manual/scheduled'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index('idx_end_user_time', 'forgetting_cycle_history', ['end_user_id', 'execution_time'], unique=False)
+    op.create_index('idx_execution_time', 'forgetting_cycle_history', ['execution_time'], unique=False)
+    op.create_index(op.f('ix_forgetting_cycle_history_id'), 'forgetting_cycle_history', ['id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_forgetting_cycle_history_id'), table_name='forgetting_cycle_history')
+    op.drop_index('idx_execution_time', table_name='forgetting_cycle_history')
+    op.drop_index('idx_end_user_time', table_name='forgetting_cycle_history')
+    op.drop_table('forgetting_cycle_history')
+    # ### end Alembic commands ###