33.50. tables

Note: The following description applies both to Postgres-XC and PostgreSQL if not described explicitly.

The view tables contains all tables and views defined in the current database. Only those tables and views are shown that the current user has access to (by way of being the owner or having some privilege).

Table 33-48. tables Columns

NameData TypeDescription
table_catalogsql_identifierName of the database that contains the table (always the current database)
table_schemasql_identifierName of the schema that contains the table
table_namesql_identifierName of the table
table_typecharacter_data Type of the table: BASE TABLE for a persistent base table (the normal table type), VIEW for a view, FOREIGN TABLE for a foreign table, or LOCAL TEMPORARY for a temporary table
self_referencing_column_namesql_identifierApplies to a feature not available in Postgres-XC
reference_generationcharacter_dataApplies to a feature not available in Postgres-XC
user_defined_type_catalogsql_identifier If the table is a typed table, the name of the database that contains the underlying data type (always the current database), else null.
user_defined_type_schemasql_identifier If the table is a typed table, the name of the schema that contains the underlying data type, else null.
user_defined_type_namesql_identifier If the table is a typed table, the name of the underlying data type, else null.
is_insertable_intoyes_or_no YES if the table is insertable into, NO if not (Base tables are always insertable into, views not necessarily.)
is_typedyes_or_noYES if the table is a typed table, NO if not
commit_actioncharacter_data If the table is a temporary table, then PRESERVE, else null. (The SQL standard defines other commit actions for temporary tables, which are not supported by Postgres-XC.)