//
// How we organize this isolation test spec, is explained at README.md file in this directory.
//

// create distributed table to test behavior of DROP in concurrent operations
setup
{
	SET citus.shard_replication_factor TO 1;
	CREATE SCHEMA drop_tests;
	CREATE TABLE drop_tests.drop_hash(id integer, data text);
	SELECT create_distributed_table('drop_tests.drop_hash', 'id');

	CREATE SCHEMA drop_tests_2;
	CREATE TABLE drop_tests_2.drop_hash_2(id integer, data text);
	SELECT create_distributed_table('drop_tests_2.drop_hash_2', 'id');
}

// drop distributed table
teardown
{
	DROP TABLE IF EXISTS drop_tests.drop_hash, drop_tests_2.drop_hash_2 CASCADE;
	DROP SCHEMA IF EXISTS drop_tests, drop_tests_2 CASCADE;
}

// session 1
session "s1"
step "s1-initialize" { SET search_path TO 'drop_tests'; COPY drop_hash FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH CSV;}
step "s1-begin" { BEGIN; }
step "s1-drop" { DROP TABLE drop_hash; }
step "s1-drop-schema" { DROP SCHEMA drop_tests CASCADE; }
step "s1-ddl-create-index" { CREATE INDEX drop_hash_index ON drop_hash(id); }
step "s1-ddl-drop-index" { DROP INDEX drop_hash_index; }
step "s1-ddl-add-column" { ALTER TABLE drop_hash ADD new_column int DEFAULT 0; }
step "s1-ddl-drop-column" { ALTER TABLE drop_hash DROP new_column; }
step "s1-ddl-rename-column" { ALTER TABLE drop_hash RENAME data TO new_column; }
step "s1-table-size" { SELECT citus_total_relation_size('drop_hash'); }
step "s1-create-non-distributed-table" { CREATE TABLE drop_hash(id integer, data text); COPY drop_hash FROM PROGRAM 'echo 0, a && echo 1, b && echo 2, c && echo 3, d && echo 4, e' WITH CSV; }
step "s1-distribute-table" { SELECT create_distributed_table('drop_hash', 'id'); }
step "s1-select-count" { SELECT COUNT(*) FROM drop_hash; }
step "s1-show-indexes" { SELECT run_command_on_workers('SELECT COUNT(*) FROM pg_indexes WHERE tablename LIKE ''drop_hash%'''); }
step "s1-show-columns" { SELECT run_command_on_workers('SELECT column_name FROM information_schema.columns WHERE table_name LIKE ''ddl_hash%'' AND column_name = ''drop_hash'' ORDER BY 1 LIMIT 1'); }
step "s1-commit" { COMMIT; }

// session 2
session "s2"
step "s2-initialize" { SET search_path TO 'drop_tests'; }
step "s2-begin" { BEGIN; }
step "s2-drop" { DROP TABLE drop_hash; }
step "s2-drop-schema" { DROP SCHEMA drop_tests CASCADE; }
step "s2-drop-schema-2" { DROP SCHEMA drop_tests_2 CASCADE; }
step "s2-ddl-create-index" { CREATE INDEX drop_hash_index ON drop_hash(id); }
step "s2-ddl-drop-index" { DROP INDEX drop_hash_index; }
step "s2-ddl-create-index-concurrently" { CREATE INDEX CONCURRENTLY drop_hash_index ON drop_hash(id); }
step "s2-ddl-add-column" { ALTER TABLE drop_hash ADD new_column int DEFAULT 0; }
step "s2-ddl-drop-column" { ALTER TABLE drop_hash DROP new_column; }
step "s2-ddl-rename-column" { ALTER TABLE drop_hash RENAME data TO new_column; }
step "s2-table-size" { SELECT citus_total_relation_size('drop_hash'); }
step "s2-distribute-table" { SELECT create_distributed_table('drop_hash', 'id'); }
step "s2-commit" { COMMIT; }

// permutations - DROP vs DROP
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop" "s2-drop" "s1-commit" "s2-commit" "s1-select-count"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop-schema" "s2-drop-schema" "s1-commit" "s2-commit" "s1-select-count"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop-schema" "s2-drop-schema-2" "s1-commit" "s2-commit" "s1-select-count"

// permutations - DROP first
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop" "s2-ddl-create-index" "s1-commit" "s2-commit" "s1-select-count" "s1-show-indexes"
permutation "s1-initialize" "s2-initialize" "s1-ddl-create-index" "s1-begin" "s2-begin" "s1-drop" "s2-ddl-drop-index" "s1-commit" "s2-commit" "s1-select-count" "s1-show-indexes"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s1-drop" "s2-ddl-create-index-concurrently" "s1-commit" "s1-select-count" "s1-show-indexes"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop" "s2-ddl-add-column" "s1-commit" "s2-commit" "s1-select-count" "s1-show-columns"
permutation "s1-initialize" "s2-initialize" "s1-ddl-add-column" "s1-begin" "s2-begin" "s1-drop" "s2-ddl-drop-column" "s1-commit" "s2-commit" "s1-select-count" "s1-show-columns"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop" "s2-ddl-rename-column" "s1-commit" "s2-commit" "s1-select-count" "s1-show-columns"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop" "s2-table-size" "s1-commit" "s2-commit" "s1-select-count"
permutation "s1-drop" "s1-create-non-distributed-table" "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-drop" "s2-distribute-table" "s1-commit" "s2-commit" "s1-select-count"

// permutations - DROP second
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-ddl-create-index" "s2-drop" "s1-commit" "s2-commit" "s1-select-count" "s1-show-indexes"
permutation "s1-initialize" "s2-initialize" "s1-ddl-create-index" "s1-begin" "s2-begin" "s1-ddl-drop-index" "s2-drop" "s1-commit" "s2-commit" "s1-select-count" "s1-show-indexes"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-ddl-add-column" "s2-drop" "s1-commit" "s2-commit" "s1-select-count" "s1-show-columns"
permutation "s1-initialize" "s2-initialize" "s1-ddl-add-column" "s1-begin" "s2-begin" "s1-ddl-drop-column" "s2-drop" "s1-commit" "s2-commit" "s1-select-count" "s1-show-columns"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-ddl-rename-column" "s2-drop" "s1-commit" "s2-commit" "s1-select-count" "s1-show-columns"
permutation "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-table-size" "s2-drop" "s1-commit" "s2-commit" "s1-select-count"
permutation "s1-drop" "s1-create-non-distributed-table" "s1-initialize" "s2-initialize" "s1-begin" "s2-begin" "s1-distribute-table" "s2-drop" "s1-commit" "s2-commit" "s1-select-count"