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alembic: add 0021 csv_format_templates

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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Giorgio Gilestro 2026-05-27 12:03:17 +02:00
parent fb3498efb0
commit ac82d5854e
1 changed files with 40 additions and 0 deletions
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alembic/versions/0021_csv_format_template.py Normal file
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"""csv format templates table — LLM-fallback parser cache.
Revision ID: 0021
Revises: 0020
Create Date: 2026-05-27
"""
from typing import Sequence, Union
import sqlalchemy as sa
from alembic import op
revision: str = "0021"
down_revision: Union[str, None] = "0020"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.create_table(
"csv_format_templates",
sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True),
sa.Column("fingerprint", sa.String(length=64), nullable=False),
sa.Column("headers", sa.JSON(), nullable=False),
sa.Column("sample_row", sa.JSON(), nullable=False),
sa.Column("mapping", sa.JSON(), nullable=False),
sa.Column("preamble_rows", sa.Integer(), nullable=False, server_default="0"),
sa.Column("delimiter", sa.String(length=1), nullable=False, server_default=","),
sa.Column("broker_label", sa.String(length=128), nullable=True),
sa.Column("first_seen_at", sa.DateTime(timezone=True), nullable=False),
sa.Column("use_count", sa.Integer(), nullable=False, server_default="1"),
sa.Column("last_used_at", sa.DateTime(timezone=True), nullable=False),
sa.Column("llm_model", sa.String(length=64), nullable=True),
sa.Column("llm_cost_usd", sa.Float(), nullable=True),
sa.UniqueConstraint("fingerprint", name="uq_csv_format_templates_fingerprint"),
)
def downgrade() -> None:
op.drop_table("csv_format_templates")