| # How to query odb database | |
| Tool: OpenDB | |
| Subcategory: Incomplete documentation | |
| ## Conversation | |
| ### titan73 | |
| I want to directly query odb database. How can I do that? There is no command for that. | |
| I found some ord::xxx commands by searching the net but there is no proper documentation with all commands. | |
| ### titan73 | |
| also found odb::xxx. No documentation either. | |
| Most functions required a self argument. | |
| Tested "::odb::dbBlock_getPowerDomains [::odb::dbBlock]" to get power domains but it crashes. | |
| ### titan73 | |
| I got to something using orf and odb to get the created power domains: | |
| foreach pd [::odb::dbBlock_getPowerDomains [::ord::get_db_block]] { | |
| puts "[::odb::dbPowerDomain_getName $pd]" | |
| } | |
| I think I get the idea. A pity it's not documented. | |
| ### maliberty | |
| We use swig on https://github.com/The-OpenROAD-Project/OpenROAD/blob/master/src/odb/include/odb/db.h so the APIs and comments there should be a guide. If you have specific questions please ask. | |
| ### titan73 | |
| Ok thanks. It helps. Although not all methods have comments. dbPowerDomain for instance. | |
| How does int& is supposed to be mapped in tcl? Ex: bool getArea(int& x1, int& y1, int& x2, int& y2); | |