Add _pgsql_schemas to grab the list of schemas for pg_dump.

src/_pgsql_utils

@@ -96,6 +96,23 @@ _pgsql_tables () {
         $( psql $_pgsql_params[@] -Aqt -c $_pgsql_table_sql $db 2>/dev/null )
 }
 
+_pgsql_schemas () {
+    local _pgsql_user _pgsql_port _pgsql_host _pgsql_params
+    _pgsql_get_identity
+
+    local db
+    db=${line[1]:-${PGDATABASE:-$LOGNAME}}
+
+    local _pgsql_schema_sql="select n.nspname \
+        from pg_catalog.pg_namespace n \
+        where n.nspname !~ '^pg_' \
+            and n.nspname <> 'information_schema' \
+        order by 1;"
+
+    compadd "$@" - \
+        $( psql $_pgsql_params[@] -Aqt -c $_pgsql_schema_sql $db 2>/dev/null )
+}
+
 _pgsql_databases () {
     local _pgsql_user _pgsql_port _pgsql_host _pgsql_params
     _pgsql_get_identity
@@ -171,7 +188,7 @@ _pg_dump () {
         {-f+,--file=}':output file:_files' \
         {-F+,--format=}':output format:_values "format" "p[plain text]" "t[tar]" "c[custom]"' \
         {-i,--ignore-version}'[ignore version mismatch]' \
-        {-n+,--schema=}':schema to dump:' \
+        {-n+,--schema=}':schema to dump:_pgsql_schemas' \
         {-o,--oids}'[dump objects identifiers for every table]' \
         {-O,--no-owner}'[dont recreate as same owner]' \
         {-R,--no-reconnect}'[dont output connect]' \