Support CREATE OR REPLACE MATERIALIZED VIEW

#4069
sqlfluff · Nov 16, 2022 · e8cf71b · e8cf71b
1 parent 3e3d746
commit e8cf71b
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Showing 3 changed files with 30 additions and 1 deletion.
diff --git a/src/sqlfluff/dialects/dialect_postgres.py b/src/sqlfluff/dialects/dialect_postgres.py
@@ -2029,6 +2029,7 @@ class CreateMaterializedViewStatementSegment(BaseSegment):
 
     match_grammar = Sequence(
         "CREATE",
+        Sequence("OR", "REPLACE", optional=True),
         "MATERIALIZED",
         "VIEW",
         Ref("IfNotExistsGrammar", optional=True),

diff --git a/test/fixtures/dialects/postgres/postgres_create_materialized_view.sql b/test/fixtures/dialects/postgres/postgres_create_materialized_view.sql
@@ -150,4 +150,8 @@ CREATE MATERIALIZED VIEW my_mat_view
 WITH (left.right)
 AS
 SELECT a
+FROM my_table;
+
+CREATE OR REPLACE MATERIALIZED VIEW my_mat_view AS
+SELECT a
 FROM my_table;
diff --git a/test/fixtures/dialects/postgres/postgres_create_materialized_view.yml b/test/fixtures/dialects/postgres/postgres_create_materialized_view.yml
@@ -3,7 +3,7 @@
 # computed by SQLFluff when running the tests. Please run
 # `python test/generate_parse_fixture_yml.py`  to generate them after adding or
 # altering SQL files.
-_hash: 372bd8f828b87dd66ddcf9a78448d50ea8a681bef794b750256f3786a988f06e
+_hash: 241ca7aedfaff431b1ffae209bc65103e8caf6896b36324a8d4fb38b27c4bfb4
 file:
 - statement:
     create_materialized_view_statement:
@@ -704,3 +704,27 @@ file:
                 table_reference:
                   naked_identifier: my_table
 - statement_terminator: ;
+- statement:
+    create_materialized_view_statement:
+    - keyword: CREATE
+    - keyword: OR
+    - keyword: REPLACE
+    - keyword: MATERIALIZED
+    - keyword: VIEW
+    - table_reference:
+        naked_identifier: my_mat_view
+    - keyword: AS
+    - select_statement:
+        select_clause:
+          keyword: SELECT
+          select_clause_element:
+            column_reference:
+              naked_identifier: a
+        from_clause:
+          keyword: FROM
+          from_expression:
+            from_expression_element:
+              table_expression:
+                table_reference:
+                  naked_identifier: my_table
+- statement_terminator: ;