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"""Database migrations for the jobs to ensure consistency downstream."""
from gn_libs.protocols import DbCursor
from gn_libs.sqlite3 import cursor, connection
def __create_table_jobs__(cursor: DbCursor):
"""Create the jobs table"""
cursor.execute(
"""
CREATE TABLE IF NOT EXISTS jobs(
job_id TEXT PRIMARY KEY NOT NULL,
created TEXT NOT NULL,
expires TEXT,
command TEXT NOT NULL
) WITHOUT ROWID
""")
def __create_table_jobs_metadata__(cursor: DbCursor):
cursor.execute(
"""
CREATE TABLE IF NOT EXISTS jobs_metadata(
job_id TEXT,
metadata_key TEXT NOT NULL,
metadata_value TEXT NOT NULL,
FOREIGN KEY(job_id) REFERENCES jobs(job_id)
ON UPDATE CASCADE ON DELETE RESTRICT,
PRIMARY KEY(job_id, metadata_key)
) WITHOUT ROWID
""")
cursor.execute(
"""
CREATE INDEX IF NOT EXISTS idx_tbl_jobs_metadata_cols_job_id
ON jobs_metadata(job_id)
""")
def __create_table_jobs_output_streams__(cursor: DbCursor):
cursor.execute(
"""
CREATE TABLE IF NOT EXISTS jobs_standard_outputs(
job_id TEXT NOT NULL,
output_stream TEXT,
value TEXT,
FOREIGN KEY(job_id) REFERENCES jobs(job_id)
ON UPDATE CASCADE ON DELETE RESTRICT,
CHECK (output_stream IN ('stdout', 'stderr')),
PRIMARY KEY(job_id, output_stream)
) WITHOUT ROWID
""")
cursor.execute(
"""
CREATE INDEX IF NOT EXISTS idx_tbl_jobs_standard_outputs_cols_job_id
ON jobs_standard_outputs(job_id)
""")
cursor.execute(
"""
CREATE INDEX IF NOT EXISTS
idx_tbl_jobs_standard_outputs_cols_job_id_output_stream
ON jobs_standard_outputs(job_id, output_stream)
""")
def run_migrations(sqlite_url: str):
with (connection(sqlite_url) as conn,
cursor(conn) as curr):
__create_table_jobs__(curr)
__create_table_jobs_metadata__(curr)
__create_table_jobs_output_streams__(curr)
|
