From f61afc306b225768f741171a8be9c4c82ec83145 Mon Sep 17 00:00:00 2001
From: Konstantin Burkalev <KSDaemon@gmail.com>
Date: Wed, 27 Nov 2024 19:58:41 +0200
Subject: [PATCH] =?UTF-8?q?feat(databricks-driver):=20Support=20for=20inte?=
 =?UTF-8?q?rvals=20and=C2=A0CURRENT=5FDATE=20for=20sql=20push=20down=20(#9?=
 =?UTF-8?q?000)?=
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* add single intervals transformation for databricks

* add CURRENTDATE support for Databricks SQL Push down
---
 packages/cubejs-databricks-jdbc-driver/src/DatabricksQuery.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/cubejs-databricks-jdbc-driver/src/DatabricksQuery.ts b/packages/cubejs-databricks-jdbc-driver/src/DatabricksQuery.ts
index 1a37613ba222b..af30172a76e40 100644
--- a/packages/cubejs-databricks-jdbc-driver/src/DatabricksQuery.ts
+++ b/packages/cubejs-databricks-jdbc-driver/src/DatabricksQuery.ts
@@ -186,6 +186,7 @@ export class DatabricksQuery extends BaseQuery {
 
   public sqlTemplates() {
     const templates = super.sqlTemplates();
+    templates.functions.CURRENTDATE = 'CURRENT_DATE';
     templates.functions.DATETRUNC = 'DATE_TRUNC({{ args_concat }})';
     templates.functions.DATEPART = 'DATE_PART({{ args_concat }})';
     templates.functions.BTRIM = 'TRIM({% if args[1] is defined %}{{ args[1] }} FROM {% endif %}{{ args[0] }})';
@@ -197,6 +198,7 @@ export class DatabricksQuery extends BaseQuery {
     templates.functions.TRUNC = 'CASE WHEN ({{ args[0] }}) >= 0 THEN FLOOR({{ args_concat }}) ELSE CEIL({{ args_concat }}) END';
     templates.expressions.timestamp_literal = 'from_utc_timestamp(\'{{ value }}\', \'UTC\')';
     templates.expressions.extract = 'EXTRACT({{ date_part }} FROM {{ expr }})';
+    templates.expressions.interval_single_date_part = 'INTERVAL \'{{ num }}\' {{ date_part }}';
     templates.quotes.identifiers = '`';
     templates.quotes.escape = '``';
     // TODO: Databricks has `TIMESTAMP_NTZ` with logic similar to Pg's `TIMESTAMP`