post vote effect index

app/models.py

@@ -835,7 +835,7 @@ class PostVote(db.Model):
     user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
     author_id = db.Column(db.Integer, db.ForeignKey('user.id'))
     post_id = db.Column(db.Integer, db.ForeignKey('post.id'))
-    effect = db.Column(db.Float)
+    effect = db.Column(db.Float, index=True)
     created_at = db.Column(db.DateTime, default=utcnow)
     post = db.relationship('Post', foreign_keys=[post_id])
 

migrations/versions/aaf434e9e7bf_post_vote_index.py

@@ -0,0 +1,32 @@
+"""post vote index
+
+Revision ID: aaf434e9e7bf
+Revises: 5b4a967f9988
+Create Date: 2024-01-10 10:17:47.397781
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'aaf434e9e7bf'
+down_revision = '5b4a967f9988'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('post_vote', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_post_vote_effect'), ['effect'], unique=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('post_vote', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_post_vote_effect'))
+
+    # ### end Alembic commands ###