![[str_idx_spgist.png|256]] - **Description**: "Space-Partitioned GiST". Optimized for data that can be recursively partitioned into non-overlapping domains. - **Supported Operators**: Varies (e.g., `<<`, `>>`, `~=`, `<@`). - **Special Features**: - Ideal for data with natural clustering or prefix structures (like phone numbers or coordinates). - **Metaphor**: A radar map partitioned into quadrants. If you're looking for something in the North-East, you don't even bother looking at the other three quadrants.