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[Plan B] fix(connection): prefer_socket=false should work, fix prisma/prisma#24010 #6

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[Plan B] fix(connection): prefer_socket=false should work, fix prisma/prisma#24010 #6

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11 changes: 9 additions & 2 deletions src/conn/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -921,8 +921,15 @@ impl Conn {
let read_max_allowed_packet = self.opts().max_allowed_packet().is_none();
let read_wait_timeout = self.opts().wait_timeout().is_none();

let settings: Option<Row> = if read_socket || read_max_allowed_packet || read_wait_timeout {
self.query_internal("SELECT @@socket, @@max_allowed_packet, @@wait_timeout")
let query_marks = [read_socket, read_max_allowed_packet, read_wait_timeout];
let query_variables: Vec<&str> = ["@@socket", "@@max_allowed_packet", "@@wait_timeout"].iter()
.enumerate()
.filter(|&(i, _)| query_marks[i])
.map(|(_, &x)| x)
.collect();

let settings: Option<Row> = if query_variables.len() > 0 {
self.query_internal(format!("SELECT {}", query_variables.join(", ")).to_string())
.await?
} else {
None
Expand Down