feat: Vector retrieval matches tables

Author: XiaJunjie2020

backend/alembic/versions/047_table_embedding.py

@@ -0,0 +1,30 @@
+"""047_table_embedding
+
+Revision ID: c1b794a961ce
+Revises: 8855aea2dd61
+Create Date: 2025-10-09 11:32:10.578313
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+from sqlalchemy.dialects import postgresql
+import pgvector
+
+# revision identifiers, used by Alembic.
+revision = 'c1b794a961ce'
+down_revision = '8855aea2dd61'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('core_table', sa.Column('embedding', pgvector.sqlalchemy.vector.VECTOR(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('core_table', 'embedding')
+    # ### end Alembic commands ###