def test_fail_create_sql_statement_create():
trig = PGTrigger(
schema="public",
signature="lower_account_email",
on_entity="public.sometab",
definition="INVALID DEF",
)
with pytest.raises(SQLParseFailure):
trig.to_sql_statement_create()
def test_fail_create_sql_statement_create():
trig = PGTrigger(
schema=TRIG.schema,
signature=TRIG.signature,
on_entity=TRIG.on_entity,
definition="INVALID DEF",
)
with pytest.raises(SQLParseFailure):
trig.to_sql_statement_create()
def test_on_entity_schema_not_qualified() -> None:
SQL = """create trigger lower_account_email
AFTER INSERT ON account
FOR EACH ROW EXECUTE PROCEDURE public.downcase_email()
"""
trigger = PGTrigger.from_sql(SQL)
assert trigger.schema == "public"
def collect_all_db_entities(sess: Session) -> List[ReplaceableEntity]:
"""Collect all entities from the database"""
return [
*PGFunction.from_database(sess, "%"),
*PGTrigger.from_database(sess, "%"),
*PGView.from_database(sess, "%"),
*PGMaterializedView.from_database(sess, "%"),
]
def test_trig_update_revision(sql_setup, engine) -> None:
engine.execute(FUNC.to_sql_statement_create())
engine.execute(TRIG.to_sql_statement_create())
UPDATED_TRIG = PGTrigger(
schema="public",
signature="lower_account_email",
on_entity="public.account",
is_constraint=True,
definition="""
AFTER INSERT OR UPDATE ON public.account
FOR EACH ROW EXECUTE PROCEDURE public.downcase_email()
""",
)
register_entities([FUNC, UPDATED_TRIG], entity_types=[PGTrigger])
# Autogenerate a new migration
# It should detect the change we made and produce a "replace_function" statement
run_alembic_command(
engine=engine,
command="revision",
command_kwargs={
"autogenerate": True,
"rev_id": "2",
"message": "replace"
},
)
migration_replace_path = TEST_VERSIONS_ROOT / "2_replace.py"
with migration_replace_path.open() as migration_file:
migration_contents = migration_file.read()
assert "op.replace_entity" in migration_contents
assert "op.create_entity" not in migration_contents
assert "op.drop_entity" not in migration_contents
assert "from alembic_utils.pg_trigger import PGTrigger" in migration_contents
# Execute upgrade
run_alembic_command(engine=engine,
command="upgrade",
command_kwargs={"revision": "head"})
# Execute Downgrade
run_alembic_command(engine=engine,
command="downgrade",
command_kwargs={"revision": "base"})
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_index("idx_40750_similarity_opinion_b_id", table_name="similarity")
op.drop_index("idx_40750_similarity_opinion_a_id", table_name="similarity")
op.drop_table("similarity")
op.drop_index("opinionparenthetical_citing_opinion_id",
table_name="opinionparenthetical")
op.drop_index("opinionparenthetical_cited_opinion_id",
table_name="opinionparenthetical")
op.drop_table("opinionparenthetical")
op.drop_index("idx_40705_opinion_cluster_id", table_name="opinion")
op.drop_table("opinion")
op.drop_index("idx_40753_clustercitation_citing_cluster_id",
table_name="clustercitation")
op.drop_index("idx_40753_clustercitation_cited_cluster_id",
table_name="clustercitation")
op.drop_table("clustercitation")
op.drop_index("searchable_case_name_idx", table_name="cluster")
op.drop_table("cluster")
op.drop_index("idx_40711_citation_citing_opinion_id",
table_name="citation")
op.drop_index("idx_40711_citation_cited_opinion_id", table_name="citation")
op.drop_table("citation")
# ### end Alembic commands ###
public_pg_trgm = PGExtension(schema="public", signature="pg_trgm")
op.drop_entity(public_pg_trgm)
public_cluster_update_searchable_case_name = PGTrigger(
schema="public",
signature="update_searchable_case_name",
on_entity="public.cluster",
is_constraint=False,
definition=
"BEFORE INSERT OR UPDATE ON public.cluster\n FOR EACH ROW EXECUTE PROCEDURE public.update_searchable_case_name_trigger()",
)
op.drop_entity(public_cluster_update_searchable_case_name)
public_update_searchable_case_name_trigger = PGFunction(
schema="public",
signature="update_searchable_case_name_trigger()",
definition=
"RETURNS trigger\n LANGUAGE plpgsql\n AS $$\n begin\n new.searchable_case_name := \n to_tsvector('pg_catalog.english', new.case_name || ' ' || coalesce(new.reporter, '') || ' ' || new.year);\n return new;\n end\n $$",
)
op.drop_entity(public_update_searchable_case_name_trigger)
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.execute(CreateSequence(Sequence("citation_seq")))
op.create_table(
"citation",
sa.Column(
"id",
sa.BigInteger(),
server_default=sa.text("nextval('citation_seq')"),
nullable=False,
),
sa.Column("citing_opinion_id", sa.BigInteger(), nullable=True),
sa.Column("cited_opinion_id", sa.BigInteger(), nullable=True),
sa.Column("depth", sa.BigInteger(), nullable=True),
sa.PrimaryKeyConstraint("id"),
)
op.create_index(
"idx_40711_citation_cited_opinion_id",
"citation",
["cited_opinion_id"],
unique=False,
)
op.create_index(
"idx_40711_citation_citing_opinion_id",
"citation",
["citing_opinion_id"],
unique=False,
)
op.execute(CreateSequence(Sequence("cluster_seq")))
op.create_table(
"cluster",
sa.Column(
"id",
sa.BigInteger(),
server_default=sa.text("nextval('cluster_seq')"),
nullable=False,
),
sa.Column("resource_id", sa.BigInteger(), nullable=True),
sa.Column("case_name", sa.Text(), nullable=True),
sa.Column("reporter", sa.Text(), nullable=True),
sa.Column("citation_count", sa.BigInteger(), nullable=True),
sa.Column("cluster_uri", sa.Text(), nullable=True),
sa.Column("docket_uri", sa.Text(), nullable=True),
sa.Column("year", sa.BigInteger(), nullable=True),
sa.Column("time", sa.BigInteger(), nullable=True),
sa.Column("searchable_case_name", postgresql.TSVECTOR(),
nullable=True),
sa.Column("court", sa.Text(), nullable=True),
sa.PrimaryKeyConstraint("id"),
)
op.execute(CreateSequence(Sequence("clustercitation_seq")))
op.create_table(
"clustercitation",
sa.Column(
"id",
sa.BigInteger(),
server_default=sa.text("nextval('clustercitation_seq')"),
nullable=False,
),
sa.Column("citing_cluster_id", sa.BigInteger(), nullable=True),
sa.Column("cited_cluster_id", sa.BigInteger(), nullable=True),
sa.Column("depth", sa.BigInteger(), nullable=True),
sa.PrimaryKeyConstraint("id"),
)
op.create_index(
"idx_40753_clustercitation_cited_cluster_id",
"clustercitation",
["cited_cluster_id"],
unique=False,
)
op.create_index(
"idx_40753_clustercitation_citing_cluster_id",
"clustercitation",
["citing_cluster_id"],
unique=False,
)
op.execute(CreateSequence(Sequence("opinion_seq")))
op.create_table(
"opinion",
sa.Column(
"id",
sa.BigInteger(),
server_default=sa.text("nextval('opinion_seq')"),
nullable=False,
),
sa.Column("resource_id", sa.BigInteger(), nullable=True),
sa.Column("opinion_uri", sa.Text(), nullable=True),
sa.Column("cluster_uri", sa.Text(), nullable=True),
sa.Column("cluster_id", sa.BigInteger(), nullable=True),
sa.Column("html_text", sa.Text(), nullable=True),
sa.PrimaryKeyConstraint("id"),
)
op.create_index("idx_40705_opinion_cluster_id",
"opinion", ["cluster_id"],
unique=False)
op.execute(CreateSequence(Sequence("opinionparenthetical_id_seq")))
op.create_table(
"opinionparenthetical",
sa.Column(
"id",
sa.Integer(),
server_default=sa.text("nextval('opinionparenthetical_id_seq')"),
nullable=False,
),
sa.Column("citing_opinion_id", sa.Integer(), nullable=False),
sa.Column("cited_opinion_id", sa.Integer(), nullable=False),
sa.Column("text", sa.Text(), nullable=False),
sa.PrimaryKeyConstraint("id"),
)
op.create_index(
"opinionparenthetical_cited_opinion_id",
"opinionparenthetical",
["cited_opinion_id"],
unique=False,
)
op.create_index(
"opinionparenthetical_citing_opinion_id",
"opinionparenthetical",
["citing_opinion_id"],
unique=False,
)
op.execute(CreateSequence(Sequence("similarity_seq")))
op.create_table(
"similarity",
sa.Column(
"id",
sa.BigInteger(),
server_default=sa.text("nextval('similarity_seq')"),
nullable=False,
),
sa.Column("opinion_a_id", sa.BigInteger(), nullable=True),
sa.Column("opinion_b_id", sa.BigInteger(), nullable=True),
sa.Column("similarity_index", sa.Float(), nullable=True),
sa.PrimaryKeyConstraint("id"),
)
op.create_index(
"idx_40750_similarity_opinion_a_id",
"similarity",
["opinion_a_id"],
unique=False,
)
op.create_index(
"idx_40750_similarity_opinion_b_id",
"similarity",
["opinion_b_id"],
unique=False,
)
# ### end Alembic commands ###
op.create_index(
"searchable_case_name_idx",
"cluster",
["searchable_case_name"],
unique=False,
postgresql_using="gin",
)
public_pg_trgm = PGExtension(schema="public", signature="pg_trgm")
op.create_entity(public_pg_trgm)
public_update_searchable_case_name_trigger = PGFunction(
schema="public",
signature="update_searchable_case_name_trigger()",
definition=
"RETURNS trigger\n LANGUAGE plpgsql\n AS $$\n begin\n new.searchable_case_name := \n to_tsvector('pg_catalog.english', new.case_name || ' ' || coalesce(new.reporter, '') || ' ' || new.year);\n return new;\n end\n $$",
)
op.create_entity(public_update_searchable_case_name_trigger)
public_cluster_update_searchable_case_name = PGTrigger(
schema="public",
signature="update_searchable_case_name",
on_entity="public.cluster",
is_constraint=False,
definition=
"BEFORE INSERT OR UPDATE ON public.cluster\n FOR EACH ROW EXECUTE PROCEDURE public.update_searchable_case_name_trigger()",
)
op.create_entity(public_cluster_update_searchable_case_name)
schema="public",
signature="update_searchable_case_name_trigger()",
definition="""
RETURNS trigger
LANGUAGE plpgsql
AS $$
begin
new.searchable_case_name :=
to_tsvector('pg_catalog.english', new.case_name || ' ' || coalesce(new.reporter, '') || ' ' || new.year);
return new;
end
$$;
""",
)
update_searchable_case_name_trigger = PGTrigger(
schema="public",
signature="update_searchable_case_name",
on_entity="public.cluster",
definition="""
BEFORE INSERT OR UPDATE ON public.cluster
FOR EACH ROW EXECUTE PROCEDURE public.update_searchable_case_name_trigger()
""",
)
PG_ENTITY_LIST = [
pg_trgm_extension,
update_searchable_case_name_func,
update_searchable_case_name_trigger,
]
def test_unparsable() -> None:
SQL = "create trigger lower_account_email faile fail fail"
with pytest.raises(SQLParseFailure):
PGTrigger.from_sql(SQL)
conn.execute("drop table public.account cascade")
FUNC = PGFunction.from_sql(
"""create function public.downcase_email() returns trigger as $$
begin
return new;
end;
$$ language plpgsql;
""")
TRIG = PGTrigger(
schema="public",
signature="lower_account_EMAIL",
on_entity="public.account",
definition="""
BEFORE INSERT ON public.account
FOR EACH ROW EXECUTE PROCEDURE public.downcase_email()
""",
)
def test_create_revision(sql_setup, engine) -> None:
engine.execute(FUNC.to_sql_statement_create())
register_entities([FUNC, TRIG], entity_types=[PGTrigger])
run_alembic_command(
engine=engine,
command="revision",
command_kwargs={
"autogenerate": True,
conn.execute("drop table public.account cascade")
FUNC = PGFunction.from_sql(
"""create function public.downcase_email() returns trigger as $$
begin
return new;
end;
$$ language plpgsql;
""")
TRIG = PGTrigger(
schema="public",
signature="lower_account_email",
on_entity="public.account",
is_constraint=True,
definition="""
AFTER INSERT ON public.account
FOR EACH ROW EXECUTE PROCEDURE public.downcase_email()
""",
)
def test_create_revision(sql_setup, engine) -> None:
engine.execute(FUNC.to_sql_statement_create())
register_entities([FUNC, TRIG], entity_types=[PGTrigger])
run_alembic_command(
engine=engine,
command="revision",
command_kwargs={
"autogenerate": True,
def sql_trigger_entities():
sql_trigger_entities = []
for p in Path("./triggers").glob("*.sql"):
pg_trigger_entity = PGTrigger.from_sql(p.read_text())
sql_trigger_entities.append(pg_trigger_entity)
return sql_trigger_entities
