I am trying to model placement of parts on a circuit board. Without any meaningful constraints, my basic schema looks like this: create table part ( part_id bigserial primary key, name text ...
My partitioned table SELECT queries include all partitioned tables even though checks are in place and constraint_exclusion = on. The insert trigger works fine and new rows are inserted into the ...
I am evaluating software systems which configure products that tout constraint based versus rules based engines. Can someone explain (with maybe an example or two) to a non-expert what the difference ...
I have my own enum data type (called direction), which can be IN or OUT and I want to use EXCLUDE USING gist constraint to prevent inserting row with the same direction (and two more columns) like ...
In PostgreSQL 9.2.3 I am trying to create this simplified table: CREATE TABLE test ( user_id INTEGER, startend TSTZRANGE, EXCLUDE USING gist (user_id WITH =, startend WITH &&) ); ...