75 lines
3.3 KiB
Python
75 lines
3.3 KiB
Python
"""measuringtools plugin baseline (real create).
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This plugin was built AFTER the ADR-008 ownership cutover, so unlike the ten
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bundled plugins whose 0001 is a stamp-only no-op anchor, this baseline actually
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CREATES the plugin's tables. The core Alembic chain never knew about
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measuringtooltypes / measuringtools, so this per-plugin chain is their sole
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authoritative creator. It runs from `flask plugin install measuringtools`
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(and `flask plugin upgrade-all`) after `flask db upgrade` builds the core schema.
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Note on create_plugin_tables: the shared helper in
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shopdb.plugins.alembic_template builds a per-plugin MetaData filtered to only the
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plugin's own tables, which means a foreign key to a core table (assets) cannot
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be resolved at CreateTable-compile time (NoReferencedTableError). Since these
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tables reference assets.assetid, the baseline emits explicit Alembic ops (the
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same shape Alembic autogenerate produces) instead. Tables inherit the
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connection's default charset, so on a utf8mb4 database they are utf8mb4, matching
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how the core chain creates its tables.
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"""
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from alembic import op
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from shopdb.plugins.alembic_template import (
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create_index_if_missing,
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create_table_if_missing,
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)
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = 'measuringtools0001baseline'
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down_revision = None
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branch_labels = None
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depends_on = None
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def upgrade():
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create_table_if_missing(
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'measuringtooltypes',
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sa.Column('measuringtooltypeid', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(length=100), nullable=False),
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sa.Column('description', sa.Text(), nullable=True),
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sa.Column('color', sa.String(length=20), nullable=True),
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sa.Column('createddate', sa.DateTime(), nullable=False),
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sa.Column('modifieddate', sa.DateTime(), nullable=False),
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sa.Column('isactive', sa.Boolean(), nullable=False),
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sa.PrimaryKeyConstraint('measuringtooltypeid'),
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sa.UniqueConstraint('name'),
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)
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create_table_if_missing(
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'measuringtools',
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sa.Column('measuringtoolid', sa.Integer(), nullable=False),
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sa.Column('assetid', sa.Integer(), nullable=False),
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sa.Column('measuringtooltypeid', sa.Integer(), nullable=True),
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sa.Column('calibrationintervaldays', sa.Integer(), nullable=True),
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sa.Column('lastcalibrationdate', sa.Date(), nullable=True),
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sa.Column('nextcalibrationdate', sa.Date(), nullable=True),
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sa.Column('calibrationprovider', sa.String(length=150), nullable=True),
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sa.Column('notes', sa.Text(), nullable=True),
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sa.Column('createddate', sa.DateTime(), nullable=False),
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sa.Column('modifieddate', sa.DateTime(), nullable=False),
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sa.Column('isactive', sa.Boolean(), nullable=False),
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sa.ForeignKeyConstraint(['assetid'], ['assets.assetid'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['measuringtooltypeid'],
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['measuringtooltypes.measuringtooltypeid']),
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sa.PrimaryKeyConstraint('measuringtoolid'),
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sa.UniqueConstraint('assetid'),
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)
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create_index_if_missing('idx_measuringtool_type', 'measuringtools',
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['measuringtooltypeid'])
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def downgrade():
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op.drop_index('idx_measuringtool_type', table_name='measuringtools')
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op.drop_table('measuringtools')
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op.drop_table('measuringtooltypes')
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