3rd October 2019: PostgreSQL 12 Released!
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34.40. sql_parts

The table sql_parts contains information about which of the several parts of the SQL standard are supported by PostgreSQL.

Table 34-38. sql_parts Columns

Name Data Type Description
feature_id character_data An identifier string containing the number of the part
feature_name character_data Descriptive name of the part
is_supported yes_or_no YES if the part is fully supported by the current version of PostgreSQL, NO if not
is_verified_by character_data Always null, since the PostgreSQL development group does not perform formal testing of feature conformance
comments character_data Possibly a comment about the supported status of the part