cartodb-postgresql/scripts-available/CDB_AnalysisCatalog.sql
2019-05-31 15:37:15 +02:00

96 lines
3.5 KiB
PL/PgSQL

-- Table to register analysis nodes from https://github.com/cartodb/camshaft
CREATE TABLE IF NOT EXISTS
@extschema@.cdb_analysis_catalog (
-- md5 hex hash
node_id char(40) CONSTRAINT cdb_analysis_catalog_pkey PRIMARY KEY,
-- being json allows to do queries like analysis_def->>'type' = 'buffer'
analysis_def json NOT NULL,
-- can reference other nodes in this very same table, allowing recursive queries
input_nodes char(40) ARRAY NOT NULL DEFAULT '{}',
status TEXT NOT NULL DEFAULT 'pending',
CONSTRAINT valid_status CHECK (
status IN ( 'pending', 'waiting', 'running', 'canceled', 'failed', 'ready' )
),
created_at timestamp with time zone NOT NULL DEFAULT now(),
-- should be updated when some operation was performed in the node
-- and anything associated to it might have changed
updated_at timestamp with time zone DEFAULT NULL,
-- should register last time the node was used
used_at timestamp with time zone NOT NULL DEFAULT now(),
-- should register the number of times the node was used
hits NUMERIC DEFAULT 0,
-- should register what was the last node using current node
last_used_from char(40),
-- last job modifying the node
last_modified_by uuid,
-- store error message for failures
last_error_message text,
-- cached tables involved in the analysis
cache_tables regclass[] NOT NULL DEFAULT '{}',
-- useful for multi account deployments
username text
);
-- This can only be called from an SQL script executed by CREATE EXTENSION
DO LANGUAGE 'plpgsql' $$
BEGIN
PERFORM pg_catalog.pg_extension_config_dump('@extschema@.cdb_analysis_catalog', '');
END
$$;
-- Migrations to add new columns from old versions.
-- IMPORTANT: Those columns will be added in order of creation. To be consistent
-- in column order, ensure that new columns are added at the end and in the same order.
DO $$
BEGIN
BEGIN
ALTER TABLE @extschema@.cdb_analysis_catalog ADD COLUMN last_modified_by uuid;
EXCEPTION
WHEN duplicate_column THEN END;
END;
$$;
DO $$
BEGIN
BEGIN
ALTER TABLE @extschema@.cdb_analysis_catalog ADD COLUMN last_error_message text;
EXCEPTION
WHEN duplicate_column THEN END;
END;
$$;
DO $$
BEGIN
BEGIN
ALTER TABLE @extschema@.cdb_analysis_catalog ADD COLUMN cache_tables regclass[] NOT NULL DEFAULT '{}';
EXCEPTION
WHEN duplicate_column THEN END;
END;
$$;
DO $$
BEGIN
BEGIN
ALTER TABLE @extschema@.cdb_analysis_catalog ADD COLUMN username text;
EXCEPTION
WHEN duplicate_column THEN END;
END;
$$;
-- We want the "username" column to be moved to the last position if it was on a position from other versions
-- see https://github.com/CartoDB/cartodb-postgresql/issues/276
DO LANGUAGE 'plpgsql' $$
DECLARE
column_index int;
BEGIN
SELECT ordinal_position FROM information_schema.columns WHERE table_name='cdb_analysis_catalog' AND table_schema='@extschema@' AND column_name='username' INTO column_index;
IF column_index = 1 OR column_index = 10 THEN
ALTER TABLE @extschema@.cdb_analysis_catalog ADD COLUMN username_final text;
UPDATE @extschema@.cdb_analysis_catalog SET username_final = username;
ALTER TABLE @extschema@.cdb_analysis_catalog DROP COLUMN username;
ALTER TABLE @extschema@.cdb_analysis_catalog RENAME COLUMN username_final TO username;
END IF;
END;
$$;