kopia lustrzana https://github.com/bugout-dev/moonstream
155 wiersze
4.8 KiB
Python
155 wiersze
4.8 KiB
Python
"""Added leaderboard_versions table and corresponding constraints
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Revision ID: cc80e886e153
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Revises: 040f2dfde5a5
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Create Date: 2023-11-08 16:16:39.265150
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = "cc80e886e153"
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down_revision = "040f2dfde5a5"
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.create_table(
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"leaderboard_versions",
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sa.Column("leaderboard_id", sa.UUID(), nullable=False),
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sa.Column("version_number", sa.DECIMAL(), nullable=False),
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sa.Column("published", sa.Boolean(), nullable=False),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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server_default=sa.text("TIMEZONE('utc', statement_timestamp())"),
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nullable=False,
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),
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sa.Column(
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"updated_at",
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sa.DateTime(timezone=True),
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server_default=sa.text("TIMEZONE('utc', statement_timestamp())"),
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nullable=False,
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),
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sa.ForeignKeyConstraint(
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["leaderboard_id"],
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["leaderboards.id"],
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name=op.f("fk_leaderboard_versions_leaderboard_id_leaderboards"),
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ondelete="CASCADE",
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),
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sa.PrimaryKeyConstraint(
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"leaderboard_id", "version_number", name=op.f("pk_leaderboard_versions")
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),
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sa.UniqueConstraint(
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"leaderboard_id",
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"version_number",
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name=op.f("uq_leaderboard_versions_leaderboard_id"),
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),
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)
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op.create_index(
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op.f("ix_leaderboard_versions_created_at"),
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"leaderboard_versions",
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["created_at"],
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unique=False,
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)
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op.add_column(
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"leaderboard_scores",
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sa.Column("leaderboard_version_number", sa.DECIMAL(), nullable=True),
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)
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op.drop_constraint(
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"uq_leaderboard_scores_leaderboard_id", "leaderboard_scores", type_="unique"
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)
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op.create_unique_constraint(
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op.f("uq_leaderboard_scores_leaderboard_id"),
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"leaderboard_scores",
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["leaderboard_id", "address", "leaderboard_version_number"],
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)
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op.drop_constraint(
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"fk_leaderboard_scores_leaderboard_id_leaderboards",
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"leaderboard_scores",
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type_="foreignkey",
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)
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op.create_foreign_key(
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op.f("fk_leaderboard_scores_leaderboard_id_leaderboard_versions"),
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"leaderboard_scores",
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"leaderboard_versions",
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["leaderboard_id", "leaderboard_version_number"],
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["leaderboard_id", "version_number"],
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ondelete="CASCADE",
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)
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# ### end Alembic commands ###
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# Insert version 0 for all existing leaderboards
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op.execute(
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"""
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INSERT INTO leaderboard_versions (leaderboard_id, version_number, published)
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SELECT id, 0, true FROM leaderboards
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"""
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)
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# Set the leaderboard_version_number for all existing scores to the version 0
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op.execute(
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"""
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UPDATE leaderboard_scores SET leaderboard_version_number = 0
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"""
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)
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# Alter leaderboard_scores to make leaderboard_version_number non-nullable
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op.alter_column(
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"leaderboard_scores",
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"leaderboard_version_number",
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nullable=False,
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)
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def downgrade():
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op.execute(
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"""
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WITH latest_version_for_leaderboard AS (
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SELECT leaderboard_id, MAX(version_number) AS latest_version
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FROM leaderboard_versions WHERE published = true
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GROUP BY leaderboard_id
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)
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DELETE FROM leaderboard_scores WHERE
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(leaderboard_id, leaderboard_version_number) NOT IN (
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SELECT
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leaderboard_id,
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latest_version AS leaderboard_version_number
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FROM
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latest_version_for_leaderboard
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)
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"""
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)
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint(
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op.f("fk_leaderboard_scores_leaderboard_id_leaderboard_versions"),
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"leaderboard_scores",
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type_="foreignkey",
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)
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op.create_foreign_key(
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"fk_leaderboard_scores_leaderboard_id_leaderboards",
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"leaderboard_scores",
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"leaderboards",
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["leaderboard_id"],
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["id"],
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ondelete="CASCADE",
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)
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op.drop_constraint(
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op.f("uq_leaderboard_scores_leaderboard_id"),
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"leaderboard_scores",
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type_="unique",
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)
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op.create_unique_constraint(
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"uq_leaderboard_scores_leaderboard_id",
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"leaderboard_scores",
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["leaderboard_id", "address"],
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)
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op.drop_column("leaderboard_scores", "leaderboard_version_number")
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op.drop_index(
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op.f("ix_leaderboard_versions_created_at"), table_name="leaderboard_versions"
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)
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op.drop_table("leaderboard_versions")
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# ### end Alembic commands ###
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