Merging upstream version 9.0.6.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/sqlglot/dialects/dialect.py b/sqlglot/dialects/dialect.py
index 46661cf..33985a7 100644
--- a/sqlglot/dialects/dialect.py
+++ b/sqlglot/dialects/dialect.py
@@ -28,6 +28,7 @@ class Dialects(str, Enum):
     TABLEAU = "tableau"
     TRINO = "trino"
     TSQL = "tsql"
+    DATABRICKS = "databricks"
 
 
 class _Dialect(type):
@@ -331,3 +332,15 @@ def create_with_partitions_sql(self, expression):
             expression.set("this", schema)
 
     return self.create_sql(expression)
+
+
+def parse_date_delta(exp_class, unit_mapping=None):
+    def inner_func(args):
+        unit_based = len(args) == 3
+        this = list_get(args, 2) if unit_based else list_get(args, 0)
+        expression = list_get(args, 1) if unit_based else list_get(args, 1)
+        unit = list_get(args, 0) if unit_based else exp.Literal.string("DAY")
+        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit
+        return exp_class(this=this, expression=expression, unit=unit)
+
+    return inner_func