New stylesheets in datapower-tools/XSLT_binary_search directory allow for efficient number range search. And for efficient string range search as well, despite the fact that XSLT 1.0 spec only allows equality/inequality tests for strings. All documented in repo README.md, and I discussed application of this technique for processing several thousand entries routing tables without noticable latency:
datapower-tools/XSLT_binary_search at master · ibm-datapower/datapower-tools
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Hermann Stamm-Wilbrandt
Compiler Level 3 support & Fixpack team lead
IBM DataPower Gateways (⬚ᵈᵃᵗᵃ / ⣏⠆⡮⡆⢹⠁⡮⡆⡯⠂⢎⠆⡧⡇⣟⡃⡿⡃)
https://stamm-wilbrandt.de/en/blog/------------------------------