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380fdad468
* update metadata when constraints on a table are altered, fix #240 * capture only unique or primary constraints in tableinfo
75 lines
1.9 KiB
SQL
75 lines
1.9 KiB
SQL
select
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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_schema,
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c.table_name,
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json_agg(
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json_build_object(
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'name',
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column_name,
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'type',
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udt_name,
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'is_nullable',
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is_nullable :: boolean
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)
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) as columns
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from
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information_schema.columns 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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where
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tables.table_schema = $1 AND
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tables.table_name = $2
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