Add indexes to important columns

* This is to make searches faster in the dashboard, now that we have a lot of rows

server/app/repositories/db/models.py

@@ -61,11 +61,11 @@ class StationData(BaseDBConnector.Base):
     bme688_data_id: Mapped[int] = mapped_column(INTEGER(), ForeignKey("bme688_data.id"), nullable=True)
 
     # Id of the individual sensor station submitting the data
-    station_id: Mapped[int] = mapped_column(INTEGER(), ForeignKey("stations.id"), nullable=False)
+    station_id: Mapped[int] = mapped_column(INTEGER(), ForeignKey("stations.id"), nullable=False, index=True)
     # Id of the border router forwarding the data
-    border_router_id: Mapped[int] = mapped_column(INTEGER(), ForeignKey("border_routers.id"), nullable=True)
+    border_router_id: Mapped[int] = mapped_column(INTEGER(), ForeignKey("border_routers.id"), nullable=True, index=True)
 
-    timestamp: Mapped[str] = mapped_column(VARCHAR(20), nullable=False)
+    timestamp: Mapped[str] = mapped_column(VARCHAR(20), nullable=False, index=True)
 
     scd41_data: Mapped[SCD41Data] = relationship("SCD41Data", lazy="joined")
     ens160_data: Mapped[ENS160Data] = relationship("ENS160Data", lazy="joined")

server/migrations/versions/8d2149a11367_add_indexes_to_important_columns.py

@@ -0,0 +1,38 @@
+"""Add indexes to important columns
+
+Revision ID: 8d2149a11367
+Revises: 74b685228bd5
+Create Date: 2025-01-20 17:31:16.781760
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = "8d2149a11367"
+down_revision: Union[str, None] = "74b685228bd5"
+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! ###
+    with op.get_context().autocommit_block():
+        op.create_index(
+            op.f("ix_station_data_border_router_id"), "station_data", ["border_router_id"], unique=False, postgresql_concurrently=True
+        )
+        op.create_index(op.f("ix_station_data_station_id"), "station_data", ["station_id"], unique=False, postgresql_concurrently=True)
+        op.create_index(op.f("ix_station_data_timestamp"), "station_data", ["timestamp"], unique=False, postgresql_concurrently=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f("ix_station_data_timestamp"), table_name="station_data")
+    op.drop_index(op.f("ix_station_data_station_id"), table_name="station_data")
+    op.drop_index(op.f("ix_station_data_border_router_id"), table_name="station_data")
+    # ### end Alembic commands ###