From 09120b1432289e4c0ae8df0341672fb13a999ac1 Mon Sep 17 00:00:00 2001
From: Sylvain LE GAL <sylvain.legal@grap.coop>
Date: Fri, 2 Apr 2021 20:41:45 +0200
Subject: [PATCH] [IMP] sql_export : add preview button

---
 sql_export/views/sql_export_view.xml             | 1 +
 sql_request_abstract/models/sql_request_mixin.py | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/sql_export/views/sql_export_view.xml b/sql_export/views/sql_export_view.xml
index 12b48e479..08297194d 100644
--- a/sql_export/views/sql_export_view.xml
+++ b/sql_export/views/sql_export_view.xml
@@ -8,6 +8,7 @@
                 <header>
                     <button name="button_validate_sql_expression" type="object" states="draft"
                             string="Validate SQL Expression" class="oe_highlight"/>
+                    <button name="button_preview_sql_expression" type="object" states="draft" string="Preview Results" attrs="{'invisible': [('field_ids', '!=', False)]}"/>
                     <button name="button_set_draft" type="object" states="sql_valid"
                             string="Set to Draft" groups="sql_request_abstract.group_sql_request_manager"/>
                     <button name="export_sql_query" string="Execute Query" states="sql_valid" type="object" class="oe_highlight"
diff --git a/sql_request_abstract/models/sql_request_mixin.py b/sql_request_abstract/models/sql_request_mixin.py
index da88c2e90..d20d9c61f 100644
--- a/sql_request_abstract/models/sql_request_mixin.py
+++ b/sql_request_abstract/models/sql_request_mixin.py
@@ -270,3 +270,9 @@ class SQLRequestMixin(models.AbstractModel):
         """
         self.ensure_one()
         return False
+
+    @api.multi
+    def button_preview_sql_expression(self):
+        self.button_validate_sql_expression()
+        res = self._execute_sql_request()
+        raise UserError('\n'.join(map(lambda x: str(x), res[:100])))