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-- Applied automatically by collect_pipeline_artifacts.py on first run.
-- Manual init: sqlite3 Data/DE_pipeline_artifacts.db < Scripts/pipeline_schema.sql
-- ── Collection progress (including repos with 0 matched artifacts) ─────────
CREATE TABLE IF NOT EXISTS repo_scan_status (
repo_full_name TEXT PRIMARY KEY,
artifact_file_count INTEGER NOT NULL,
tree_status TEXT, -- ok | 404 | empty | truncated | http_*
scanned_at TEXT NOT NULL
);
-- ── Discovery ──────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS pipeline_files (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
artifact_type TEXT NOT NULL, -- airflow_dag | dbt_model | dbt_schema |
-- prefect_flow | dagster | luigi |
-- kedro | beam | dlt | mage_block
file_sha TEXT, -- git blob SHA
file_size_bytes INTEGER,
collected_at TEXT NOT NULL,
parse_error TEXT, -- NULL when parsing succeeded
UNIQUE(repo_full_name, file_path)
);
-- ── Airflow ─────────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS airflow_dag_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
dag_id TEXT,
schedule_interval TEXT, -- cron expr, timedelta repr, preset, or NULL
schedule_type TEXT, -- cron | timedelta | preset | none | dynamic
catchup INTEGER, -- 0/1/NULL (NULL = not set, inherits default)
max_active_runs INTEGER,
default_retries INTEGER,
default_retry_delay_seconds INTEGER,
task_count INTEGER,
edge_count INTEGER, -- explicit dependency edges
unique_operator_count INTEGER,
operator_types TEXT, -- JSON array of operator class names
has_python_operator INTEGER, -- 0/1
has_bash_operator INTEGER,
has_external_task_sensor INTEGER, -- cross-DAG coupling
has_branch_operator INTEGER,
has_trigger_rule INTEGER, -- non-default trigger rules
uses_xcom INTEGER, -- xcom_push/xcom_pull detected
uses_pools INTEGER,
uses_connections INTEGER, -- conn_id parameter present
has_sla INTEGER, -- sla= or sla_miss_callback
has_on_failure_callback INTEGER,
has_on_success_callback INTEGER,
dag_tags TEXT, -- JSON array
-- Anti-pattern flags (directly usable as SE research features)
antipattern_catchup_no_maxruns INTEGER, -- catchup=True with no max_active_runs
antipattern_no_retries INTEGER, -- no retry config anywhere in DAG
antipattern_no_failure_cb INTEGER, -- no failure callback
antipattern_no_schedule INTEGER, -- schedule_interval=None (orphaned DAG)
antipattern_bare_xcom INTEGER, -- xcom used for large data transfer
file_lines INTEGER,
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
-- ── dbt ─────────────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS dbt_model_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
model_name TEXT NOT NULL,
model_layer TEXT, -- staging | intermediate | marts | other
materialization TEXT, -- view | table | incremental | ephemeral | NULL
ref_count INTEGER, -- upstream dbt model dependencies
source_count INTEGER, -- raw source references
cte_count INTEGER, -- WITH clause count
has_where_clause INTEGER,
has_join INTEGER,
has_window_function INTEGER,
uses_incremental INTEGER,
has_unique_key INTEGER, -- required for safe incremental models
hardcoded_limit INTEGER, -- LIMIT with literal integer (smell)
select_star INTEGER, -- SELECT * (smell)
has_tests INTEGER, -- set from schema.yml via extract_schema
file_lines INTEGER,
-- Anti-pattern flags
antipattern_incremental_no_unique_key INTEGER,
antipattern_select_star INTEGER,
antipattern_no_source_no_ref INTEGER, -- raw table name in FROM (hardcoded)
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
CREATE TABLE IF NOT EXISTS dbt_project_summary (
repo_full_name TEXT PRIMARY KEY,
dbt_version_required TEXT,
model_paths TEXT, -- JSON array from dbt_project.yml
has_tests_dir INTEGER,
has_snapshots INTEGER,
has_seeds INTEGER,
has_analyses INTEGER,
profile_outputs TEXT, -- JSON: target names from profiles.yml if present
total_model_files INTEGER,
total_schema_files INTEGER,
FOREIGN KEY(repo_full_name) REFERENCES pipeline_files(repo_full_name)
);
-- ── Prefect ──────────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS prefect_flow_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
prefect_version TEXT, -- 1.x | 2.x inferred from imports
flow_count INTEGER,
task_count INTEGER,
has_retries INTEGER,
max_retries INTEGER,
has_schedule INTEGER,
has_timeout INTEGER,
uses_result_caching INTEGER,
uses_state_handler INTEGER,
uses_mapped_tasks INTEGER, -- .map() or unmapped() pattern
has_deployment_block INTEGER, -- Prefect 2.x deployment definition
-- Anti-patterns
antipattern_no_retries INTEGER,
antipattern_no_timeout INTEGER,
file_lines INTEGER,
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
-- ── Dagster ──────────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS dagster_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
asset_count INTEGER,
op_count INTEGER,
job_count INTEGER,
graph_count INTEGER,
resource_count INTEGER,
has_partitions INTEGER,
has_sensors INTEGER,
has_schedules INTEGER,
uses_io_manager INTEGER,
uses_config_schema INTEGER,
uses_metadata INTEGER,
has_freshness_policy INTEGER,
-- Anti-patterns
antipattern_op_without_io_manager INTEGER, -- op returning data without IOManager
antipattern_no_metadata INTEGER,
file_lines INTEGER,
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
-- ── Luigi ────────────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS luigi_task_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
task_count INTEGER,
max_requires_depth INTEGER, -- longest dependency chain in file
uses_local_target INTEGER,
uses_s3_target INTEGER,
uses_gcs_target INTEGER,
uses_hdfs_target INTEGER,
uses_external_task INTEGER, -- ExternalTask dependency
has_dynamic_requires INTEGER, -- requires() returns variable list
has_run_method INTEGER,
has_output_method INTEGER,
-- Anti-patterns
antipattern_missing_output INTEGER, -- run() without output()
antipattern_hardcoded_path INTEGER, -- string literal in LocalTarget
file_lines INTEGER,
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
-- ── Kedro ────────────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS kedro_pipeline_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
node_count INTEGER,
pipeline_count INTEGER,
dataset_types TEXT, -- JSON array of dataset type strings
has_parameters_file INTEGER,
has_catalog_file INTEGER,
uses_versioning INTEGER, -- versioned datasets
uses_partitioned_ds INTEGER,
file_lines INTEGER,
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
-- ── Apache Beam ──────────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS beam_pipeline_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
ptransform_count INTEGER, -- custom PTransform subclasses
pardo_count INTEGER,
combinefn_count INTEGER,
runner_type TEXT, -- DirectRunner | DataflowRunner | SparkRunner
uses_windowing INTEGER,
uses_side_inputs INTEGER,
uses_state_and_timers INTEGER,
file_lines INTEGER,
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
-- ── dlt (data load tool) ────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS dlt_features (
id INTEGER PRIMARY KEY AUTOINCREMENT,
repo_full_name TEXT NOT NULL,
file_path TEXT NOT NULL,
source_count INTEGER, -- @dlt.source decorated functions
resource_count INTEGER, -- @dlt.resource decorated functions
destination_types TEXT, -- JSON array: bigquery, snowflake, etc.
uses_incremental INTEGER,
uses_schema_contracts INTEGER,
uses_transformers INTEGER, -- @dlt.transformer
file_lines INTEGER,
FOREIGN KEY(repo_full_name, file_path) REFERENCES pipeline_files(repo_full_name, file_path)
);
-- ── Indexes ──────────────────────────────────────────────────────────────────
CREATE INDEX IF NOT EXISTS idx_pf_repo ON pipeline_files(repo_full_name);
CREATE INDEX IF NOT EXISTS idx_pf_type ON pipeline_files(artifact_type);
CREATE INDEX IF NOT EXISTS idx_adf_repo ON airflow_dag_features(repo_full_name);
CREATE INDEX IF NOT EXISTS idx_dbt_repo ON dbt_model_features(repo_full_name);
CREATE INDEX IF NOT EXISTS idx_prf_repo ON prefect_flow_features(repo_full_name);
CREATE INDEX IF NOT EXISTS idx_dag_repo ON dagster_features(repo_full_name);
CREATE INDEX IF NOT EXISTS idx_lui_repo ON luigi_task_features(repo_full_name);
CREATE INDEX IF NOT EXISTS idx_ked_repo ON kedro_pipeline_features(repo_full_name);
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