feat: create legacy NMA_Stratigraphy table with associated columns and indexes

Author: jirhiker

alembic/versions/1d2c3b4a5e67_create_nma_stratigraphy_table.py

@@ -0,0 +1,70 @@
+"""Create legacy NMA_Stratigraphy table.
+
+Revision ID: 1d2c3b4a5e67
+Revises: a7b8c9d0e1f2
+Create Date: 2026-01-15 00:00:00.000000
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy import inspect
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision: str = "1d2c3b4a5e67"
+down_revision: Union[str, Sequence[str], None] = "f5a6b7c8d9e0"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Create the legacy stratigraphy table."""
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    if inspector.has_table("NMA_Stratigraphy"):
+        return
+
+    op.create_table(
+        "NMA_Stratigraphy",
+        sa.Column(
+            "GlobalID",
+            postgresql.UUID(as_uuid=True),
+            primary_key=True,
+            nullable=False,
+        ),
+        sa.Column("WellID", postgresql.UUID(as_uuid=True), nullable=True),
+        sa.Column("PointID", sa.String(length=10), nullable=False),
+        sa.Column(
+            "thing_id",
+            sa.Integer(),
+            sa.ForeignKey("thing.id", ondelete="CASCADE"),
+            nullable=False,
+        ),
+        sa.Column("StratTop", sa.Float(), nullable=True),
+        sa.Column("StratBottom", sa.Float(), nullable=True),
+        sa.Column("UnitIdentifier", sa.String(length=50), nullable=True),
+        sa.Column("Lithology", sa.String(length=100), nullable=True),
+        sa.Column("LithologicModifier", sa.String(length=100), nullable=True),
+        sa.Column("ContributingUnit", sa.String(length=10), nullable=True),
+        sa.Column("StratSource", sa.Text(), nullable=True),
+        sa.Column("StratNotes", sa.Text(), nullable=True),
+        sa.Column("OBJECTID", sa.Integer(), nullable=True, unique=True),
+    )
+    op.create_index(
+        "ix_nma_stratigraphy_point_id",
+        "NMA_Stratigraphy",
+        ["PointID"],
+    )
+    op.create_index(
+        "ix_nma_stratigraphy_thing_id",
+        "NMA_Stratigraphy",
+        ["thing_id"],
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("ix_nma_stratigraphy_thing_id", table_name="NMA_Stratigraphy")
+    op.drop_index("ix_nma_stratigraphy_point_id", table_name="NMA_Stratigraphy")
+    op.drop_table("NMA_Stratigraphy")