Exploring Custom Operators in Postgres Grammar
By
sbdchd
A respectable bake. You'd come back tomorrow for another.
Summary
The article discusses interesting aspects of Postgres grammar, focusing on custom operators and their significance in Postgres features.
Key quotes
· 3 pulledI’ve been working on Squawk for a while, it’s a linter for PostgreSQL, and it now uses a handmade parser.
For example, Postgres uses <-> for comparing geometric types, along with a whole host of others: ##, @-@, #, @>, <@>, &<, &>, |>>, |<<, <^, >^, ?-, ?|, ?||, ~=.
A neat consequence of custom operators is that the
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