fix: allow empty headers for btql routing #1072
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This reverts commit b915691.
jackdingilian
approved these changes
Jan 17, 2025
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Normally, gapic clients treat empty strings as unset values for routing headers. This causes issues with btql, which requires the header to be sent to the backend, even if empty.
This PR patches the gapic code to allow empty
app_profile_idheaders for theexecute_queryrpc. Long term, we will have to find a solution on the backend, so empty headers aren't neededFixes #1073