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94102c0460
* Add downgrade command * Add docs per @lexi-lambda's suggestions * make tests pass * Update hdb_version once, from Haskell * more work based on feedback * Improve the usage message * Small docs changes * Test downgrades exist for each tag * Update downgrading.rst * Use git-log to find tags which are ancestors of the current commit Co-authored-by: Vamshi Surabhi <0x777@users.noreply.github.com>
146 lines
4.8 KiB
SQL
146 lines
4.8 KiB
SQL
DROP VIEW hdb_catalog.hdb_table_info_agg;
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DROP VIEW hdb_catalog.hdb_permission_agg;
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ALTER TABLE hdb_catalog.hdb_table
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ALTER COLUMN table_schema TYPE text,
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ALTER COLUMN table_name TYPE text;
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ALTER TABLE hdb_catalog.hdb_relationship
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ALTER COLUMN table_schema TYPE text,
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ALTER COLUMN table_name TYPE text;
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ALTER TABLE hdb_catalog.hdb_permission
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ALTER COLUMN table_schema TYPE text,
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ALTER COLUMN table_name TYPE text;
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CREATE VIEW hdb_catalog.hdb_permission_agg AS
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SELECT
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table_schema,
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table_name,
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role_name,
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json_object_agg(perm_type, perm_def) as permissions
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FROM hdb_catalog.hdb_permission
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GROUP BY table_schema, table_name, role_name;
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CREATE VIEW hdb_catalog.hdb_column AS
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WITH primary_key_references AS (
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SELECT fkey.table_schema AS src_table_schema
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, fkey.table_name AS src_table_name
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, fkey.columns->>0 AS src_column_name
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, json_agg(json_build_object(
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'schema', fkey.ref_table_table_schema,
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'name', fkey.ref_table
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)) AS ref_tables
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FROM hdb_catalog.hdb_foreign_key_constraint AS fkey
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JOIN hdb_catalog.hdb_primary_key AS pkey
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ON pkey.table_schema = fkey.ref_table_table_schema
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AND pkey.table_name = fkey.ref_table
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AND pkey.columns::jsonb = fkey.ref_columns::jsonb
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WHERE json_array_length(fkey.columns) = 1
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GROUP BY fkey.table_schema
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, fkey.table_name
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, fkey.columns->>0)
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SELECT columns.table_schema
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, columns.table_name
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, columns.column_name AS name
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, columns.udt_name AS type
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, columns.is_nullable
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, columns.ordinal_position
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, coalesce(pkey_refs.ref_tables, '[]') AS primary_key_references
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, col_description(pg_class.oid, columns.ordinal_position) AS description
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FROM information_schema.columns
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JOIN pg_class ON pg_class.relname = columns.table_name
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JOIN pg_namespace ON pg_namespace.oid = pg_class.relnamespace
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AND pg_namespace.nspname = columns.table_schema
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LEFT JOIN primary_key_references AS pkey_refs
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ON columns.table_schema = pkey_refs.src_table_schema
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AND columns.table_name = pkey_refs.src_table_name
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AND columns.column_name = pkey_refs.src_column_name;
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CREATE VIEW hdb_catalog.hdb_table_info_agg AS (
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select
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tables.table_name as table_name,
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tables.table_schema as table_schema,
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descriptions.description,
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coalesce(columns.columns, '[]') as columns,
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coalesce(pk.columns, '[]') as primary_key_columns,
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coalesce(constraints.constraints, '[]') as constraints,
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coalesce(views.view_info, 'null') as view_info
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from
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information_schema.tables as tables
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left outer join (
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select
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c.table_name,
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c.table_schema,
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json_agg(
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json_build_object(
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'name', name,
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'type', type,
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'is_nullable', is_nullable :: boolean,
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'references', primary_key_references,
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'description', description
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)
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) as columns
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from
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hdb_catalog.hdb_column c
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group by
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c.table_schema,
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c.table_name
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) columns on (
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tables.table_schema = columns.table_schema
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AND tables.table_name = columns.table_name
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)
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left outer join (
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select * from hdb_catalog.hdb_primary_key
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) pk on (
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tables.table_schema = pk.table_schema
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AND tables.table_name = pk.table_name
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)
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left outer join (
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select
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c.table_schema,
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c.table_name,
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json_agg(constraint_name) as constraints
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from
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information_schema.table_constraints c
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where
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c.constraint_type = 'UNIQUE'
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or c.constraint_type = 'PRIMARY KEY'
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group by
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c.table_schema,
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c.table_name
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) constraints on (
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tables.table_schema = constraints.table_schema
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AND tables.table_name = constraints.table_name
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)
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left outer join (
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select
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table_schema,
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table_name,
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json_build_object(
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'is_updatable',
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(is_updatable::boolean OR is_trigger_updatable::boolean),
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'is_deletable',
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(is_updatable::boolean OR is_trigger_deletable::boolean),
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'is_insertable',
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(is_insertable_into::boolean OR is_trigger_insertable_into::boolean)
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) as view_info
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from
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information_schema.views v
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) views on (
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tables.table_schema = views.table_schema
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AND tables.table_name = views.table_name
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)
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left outer join (
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select
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pc.relname as table_name,
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pn.nspname as table_schema,
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pd.description
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from pg_class pc
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left join pg_namespace pn on pn.oid = pc.relnamespace
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left join pg_description pd on pd.objoid = pc.oid
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where pd.objsubid = 0
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) descriptions on (
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tables.table_schema = descriptions.table_schema
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AND tables.table_name = descriptions.table_name
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)
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);
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