[+] add Ticker table

deps/test-task-2025-06-30-v1/python/online/fxreader/pr34/test_task_2025_06_30_v1/tickers/alembic/env.py

@@ -8,6 +8,8 @@ from sqlalchemy.ext.asyncio import async_engine_from_config
 from sqlalchemy import engine_from_config
 from sqlalchemy import pool
 
+from sqlalchemy.engine.base import Connection
+
 from alembic import context
 
 from online.fxreader.pr34.test_task_2025_06_30_v1.tickers.settings import Settings
@@ -47,7 +49,9 @@ target_metadata = Base.metadata
 # ... etc.
 
 
-def do_run_migrations(connection):
+def do_run_migrations(
+    connection: Connection,
+):
     context.configure(connection=connection, target_metadata=target_metadata)
 
     with context.begin_transaction():

deps/test-task-2025-06-30-v1/python/online/fxreader/pr34/test_task_2025_06_30_v1/tickers/alembic/versions/eb63f793db3a_add_ticker_table.py

@@ -0,0 +1,38 @@
+"""add Ticker table
+
+Revision ID: eb63f793db3a
+Revises: 335b4c4f052c
+Create Date: 2025-07-07 10:32:49.812738
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'eb63f793db3a'
+down_revision: Union[str, Sequence[str], None] = '335b4c4f052c'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('tickers_ticker',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('timestamp', sa.DateTime(), nullable=False),
+    sa.Column('value', sa.Numeric(precision=32, scale=6), nullable=False),
+    sa.ForeignKeyConstraint(['id'], ['tickers_market.id'], ondelete='CASCADE'),
+    sa.UniqueConstraint('id', 'timestamp')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('tickers_ticker')
+    # ### end Alembic commands ###

deps/test-task-2025-06-30-v1/python/online/fxreader/pr34/test_task_2025_06_30_v1/tickers/models.py

@@ -1,3 +1,6 @@
+import datetime
+import decimal
+
 from sqlalchemy.orm import (
 	mapped_column,
 	Mapped,
@@ -6,6 +9,8 @@ from sqlalchemy.orm import (
 from sqlalchemy import (
 	String,
 	ForeignKey,
+	Numeric,
+	UniqueConstraint,
 )
 
 from typing import (Optional,)
@@ -21,3 +26,26 @@ class Market(Base):
 
 	def __repr__(self) -> str:
 		return f"Market(id={self.id!r}, name={self.name!r})"
+
+class Ticker(Base):
+	__tablename__ = 'tickers_ticker'
+
+	id: Mapped[int] = mapped_column(ForeignKey(
+		'tickers_market.id',
+		ondelete='CASCADE',
+	))
+	timestamp: Mapped[datetime.datetime] = mapped_column()
+	value: Mapped[decimal.Decimal] = mapped_column(Numeric(
+		precision=32, scale=6,
+	))
+
+	__table_args__ = (
+		UniqueConstraint('id', 'timestamp'),
+	)
+
+	__mapper_args__ = dict(
+		primary_key=('id', 'timestamp',)
+	)
+
+	def __repr__(self) -> str:
+		return f"Ticker(id={self.id!r}, timestamp={self.timestamp!r}, value={self.value!r})"