Use decimal for case/unit quantities in handheld/inventory batches

rattail/db/alembic/versions/a47a4d73b662_use_decimal_qty_for_handheld_inventory_.py

@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+"""use decimal qty for handheld/inventory rows
+
+Revision ID: a47a4d73b662
+Revises: 0f4cb39da3cc
+Create Date: 2016-12-16 16:12:48.505269
+
+"""
+
+from __future__ import unicode_literals
+
+# revision identifiers, used by Alembic.
+revision = 'a47a4d73b662'
+down_revision = u'0f4cb39da3cc'
+branch_labels = None
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+import rattail.db.types
+from sqlalchemy.dialects import postgresql
+
+
+batch_id_seq = sa.Sequence('batch_id_seq')
+
+
+def upgrade():
+
+    # batch_handheld_row
+    op.alter_column('batch_handheld_row', 'cases', type_=sa.Numeric(precision=10, scale=4))
+    op.alter_column('batch_handheld_row', 'units', type_=sa.Numeric(precision=10, scale=4))
+
+    # batch_inventory_row
+    op.alter_column('batch_inventory_row', 'cases', type_=sa.Numeric(precision=10, scale=4))
+    op.alter_column('batch_inventory_row', 'units', type_=sa.Numeric(precision=10, scale=4))
+
+
+def downgrade():
+
+    # batch_inventory_row
+    op.alter_column('batch_inventory_row', 'cases', type_=sa.Integer())
+    op.alter_column('batch_inventory_row', 'units', type_=sa.Integer())
+
+    # batch_handheld_row
+    op.alter_column('batch_handheld_row', 'cases', type_=sa.Integer())
+    op.alter_column('batch_handheld_row', 'units', type_=sa.Integer())

rattail/db/model/batch/handheld.py

@@ -67,10 +67,10 @@ class HandheldBatchRow(ProductBatchRowMixin, Base):
         STATUS_PRODUCT_NOT_FOUND:       "product not found",
     }
 
-    cases = sa.Column(sa.Integer(), nullable=True, doc="""
+    cases = sa.Column(sa.Numeric(precision=10, scale=4), nullable=True, doc="""
     Case quantity for the record.
     """)
 
-    units = sa.Column(sa.Integer(), nullable=True, doc="""
+    units = sa.Column(sa.Numeric(precision=10, scale=4), nullable=True, doc="""
     Unit quantity for the record.
     """)

rattail/db/model/batch/inventory.py

@@ -80,10 +80,10 @@ class InventoryBatchRow(ProductBatchRowMixin, Base):
         STATUS_PRODUCT_NOT_FOUND:       "product not found",
     }
 
-    cases = sa.Column(sa.Integer(), nullable=True, doc="""
+    cases = sa.Column(sa.Numeric(precision=10, scale=4), nullable=True, doc="""
     Case quantity for the record.
     """)
 
-    units = sa.Column(sa.Integer(), nullable=True, doc="""
+    units = sa.Column(sa.Numeric(precision=10, scale=4), nullable=True, doc="""
     Unit quantity for the record.
     """)