Ensure \copy commands in export.sql are single line

Author: jtgeibel

src/tasks/dump_db/dump-export.sql.hbs

@@ -1,11 +1,7 @@
 BEGIN ISOLATION LEVEL REPEATABLE READ, READ ONLY;
 {{~#each tables}}
 {{~#if this.filter}}
-    \copy (
-        SELECT {{this.columns}}
-        FROM "{{this.name}}"
-        WHERE {{this.filter}}
-    ) TO 'data/{{this.name}}.csv' WITH CSV HEADER
+    \copy (SELECT {{this.columns}} FROM "{{this.name}}" WHERE {{this.filter}}) TO 'data/{{this.name}}.csv' WITH CSV HEADER
 {{~else}}
     \copy "{{this.name}}" ({{this.columns}}) TO 'data/{{this.name}}.csv' WITH CSV HEADER
 {{~/if}}

src/tasks/dump_db/gen_scripts.rs

@@ -42,7 +42,7 @@ struct TableConfig {
 #[derive(Debug, Serialize)]
 struct HandlebarsTableContext<'a> {
     name: &'a str,
-    filter: Option<&'a str>,
+    filter: Option<String>,
     columns: String,
     column_defaults: BTreeMap<&'a str, &'a str>,
 }
@@ -59,7 +59,7 @@ impl TableConfig {
         if columns.is_empty() {
             None
         } else {
-            let filter = self.filter.as_ref().map(String::as_str);
+            let filter = self.filter.as_ref().map(|s| s.replace('\n', " "));
             let column_defaults = self
                 .column_defaults
                 .iter()