|
| 1 | +"""modify field length |
| 2 | +
|
| 3 | +迁移 ID: 3588702dd3a4 |
| 4 | +父迁移: bc6abd57928f |
| 5 | +创建时间: 2025-07-19 17:21:17.927162 |
| 6 | +
|
| 7 | +""" |
| 8 | + |
| 9 | +from __future__ import annotations |
| 10 | + |
| 11 | +from typing import TYPE_CHECKING |
| 12 | + |
| 13 | +import sqlalchemy as sa |
| 14 | +from alembic import op |
| 15 | + |
| 16 | +if TYPE_CHECKING: |
| 17 | + from collections.abc import Sequence |
| 18 | + |
| 19 | +revision: str = '3588702dd3a4' |
| 20 | +down_revision: str | Sequence[str] | None = 'bc6abd57928f' |
| 21 | +branch_labels: str | Sequence[str] | None = None |
| 22 | +depends_on: str | Sequence[str] | None = None |
| 23 | + |
| 24 | + |
| 25 | +def upgrade(name: str = '') -> None: |
| 26 | + if name: |
| 27 | + return |
| 28 | + # ### commands auto generated by Alembic - please adjust! ### |
| 29 | + with op.batch_alter_table('nb_t_tos_hist_data', schema=None) as batch_op: |
| 30 | + batch_op.alter_column( |
| 31 | + 'user_unique_identifier', |
| 32 | + existing_type=sa.VARCHAR(length=24), |
| 33 | + type_=sa.String(length=256), |
| 34 | + existing_nullable=False, |
| 35 | + ) |
| 36 | + |
| 37 | + # ### end Alembic commands ### |
| 38 | + |
| 39 | + |
| 40 | +def downgrade(name: str = '') -> None: |
| 41 | + if name: |
| 42 | + return |
| 43 | + # ### commands auto generated by Alembic - please adjust! ### |
| 44 | + with op.batch_alter_table('nb_t_tos_hist_data', schema=None) as batch_op: |
| 45 | + batch_op.alter_column( |
| 46 | + 'user_unique_identifier', |
| 47 | + existing_type=sa.String(length=256), |
| 48 | + type_=sa.VARCHAR(length=24), |
| 49 | + existing_nullable=False, |
| 50 | + ) |
| 51 | + |
| 52 | + # ### end Alembic commands ### |
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