docs: clarify sqlx.In always uses ? placeholders#995
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Postgres users often write $1 in the query passed to In, which does not expand and surfaces as "number of bindVars less than number arguments". Document that In expects ?, then Rebind for the driver. Fixes jmoiron#959
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Description
sqlx.Inalways expects?placeholders. PostgreSQL users often write$1in the query passed toIn, which does not expand and commonly fails with:Fix
Inwith the correctIn→RebindpatternTests
Docs-only. Package compiles.
Linked Issue
Closes #959