Merging upstream version 10.5.2.

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

1 files changed, 17 insertions, 0 deletions

diff --git a/sqlglot/dialects/dialect.py b/sqlglot/dialects/dialect.py
index e788852..1c840da 100644
--- a/sqlglot/dialects/dialect.py
+++ b/sqlglot/dialects/dialect.py
@@ -381,3 +381,20 @@ def timestrtotime_sql(self, expression: exp.TimeStrToTime) -> str:
 
 def datestrtodate_sql(self, expression: exp.DateStrToDate) -> str:
     return f"CAST({self.sql(expression, 'this')} AS DATE)"
+
+
+def trim_sql(self, expression):
+    target = self.sql(expression, "this")
+    trim_type = self.sql(expression, "position")
+    remove_chars = self.sql(expression, "expression")
+    collation = self.sql(expression, "collation")
+
+    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
+    if not remove_chars and not collation:
+        return self.trim_sql(expression)
+
+    trim_type = f"{trim_type} " if trim_type else ""
+    remove_chars = f"{remove_chars} " if remove_chars else ""
+    from_part = "FROM " if trim_type or remove_chars else ""
+    collation = f" COLLATE {collation}" if collation else ""
+    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"