feat: Case-insensitive search for non-ASCII messages (#5052) #5321
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iequidoo
commented
Mar 5, 2024
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Let's merge this after merging peerchannels. @Simon-Laux is running peerchannels PR with current account without a backup AFAIK, so rebasing peerchannel migration on top of this migration will cause troubles. |
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Peerchannels are merged, so this needs a rebase now. |
SQLite search with `LIKE` is case-insensitive only for ASCII chars. To make it case-insensitive for all messages, create a new column `msgs.txt_normalized` defaulting to `NULL` (so we do not bump up the database size in a migration) and storing lowercased/normalized text there when the row is created/updated. When doing a search, search over `IFNULL(txt_normalized, txt)`.
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SQLite search with
LIKEis case-insensitive only for ASCII chars. To make it case-insensitive for all messages, create a new columnmsgs.txt_normalizeddefaulting toNULL(so we do not bump up the database size in a migration) and storing lowercased/normalized text there when the row is created/updated. When doing a search, search overIFNULL(txt_normalized, txt).Close #5052