Allow String to be used for table and column names in COPY FROM

Author: ahoppen

Sources/PostgresNIO/Connection/PostgresConnection+CopyFrom.swift

@@ -131,9 +131,12 @@ public struct PostgresCopyFromFormat: Sendable {
 ///
 /// An empty `columns` array signifies that no columns should be specified in the query and that all columns will be
 /// copied by the caller.
+///
+/// - Important: The table and column names are inserted into the `COPY FROM` query as passed and might thus be
+///   susceptible to SQL injection. Ensure no untrusted data is contained in these strings.
 private func buildCopyFromQuery(
-    table: StaticString,
-    columns: [StaticString] = [],
+    table: String,
+    columns: [String] = [],
     format: PostgresCopyFromFormat
 ) -> PostgresQuery {
     var query = """
@@ -175,9 +178,12 @@ extension PostgresConnection {
     ///
     /// - Note: The table and column names are inserted into the SQL query verbatim. They are forced to be compile-time
     ///   specified to avoid runtime SQL injection attacks.
+    ///
+    /// - Important: The table and column names are inserted into the `COPY FROM` query as passed and might thus be
+    ///   susceptible to SQL injection. Ensure no untrusted data is contained in these strings.
     public func copyFrom(
-        table: StaticString,
-        columns: [StaticString] = [],
+        table: String,
+        columns: [String] = [],
         format: PostgresCopyFromFormat = .text(.init()),
         logger: Logger,
         isolation: isolated (any Actor)? = #isolation,