fix: resolve postgres format and sync cleanup issues (#7928)

Cargo.lock

@@ -7290,7 +7290,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07033963ba89ebaf1584d767badaa2e8fcec21aedea6b8c0346d487d49c28667"
 dependencies = [
  "cfg-if",
- "windows-targets 0.48.5",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -9586,9 +9586,9 @@ dependencies = [
 
 [[package]]
 name = "pgwire"
-version = "0.38.2"
+version = "0.38.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a1bdf05fc8231cc5024572fe056e3ce34eb6b9b755ba7aba110e1c64119cec3"
+checksum = "24bd4e6b1bfddc5c6420dee6602ec80946700b4c31ddcb64ee190ad6d979c210"
 dependencies = [
  "async-trait",
  "base64 0.22.1",

src/servers/Cargo.toml

@@ -91,7 +91,7 @@ otel-arrow-rust.workspace = true
 parking_lot.workspace = true
 partition.workspace = true
 pg_interval = { version = "0.5.2", package = "pg_interval_2" }
-pgwire = { version = "0.38.2", default-features = false, features = [
+pgwire = { version = "0.38.3", default-features = false, features = [
     "server-api-ring",
     "pg-ext-types",
 ] }

src/servers/src/postgres/handler.rs

@@ -529,7 +529,7 @@ impl ExtendedQueryHandler for PostgresServerHandlerInner {
             .collect::<Vec<_>>();
 
         if let Some(schema) = &sql_plan.schema {
-            schema_to_pg(schema, &Format::UnifiedBinary, None)
+            schema_to_pg(schema, &Format::UnifiedText, None)
                 .map(|fields| DescribeStatementResponse::new(param_types, fields))
                 .map_err(convert_err)
         } else {