From a677676dcb5195f720d042f2b6382d67b5ca641f Mon Sep 17 00:00:00 2001
From: Matthew Peveler <matt@popsql.com>
Date: Wed, 10 Aug 2022 13:55:28 -0400
Subject: [PATCH] Fix identifying DECLARE statements for bigquery

Signed-off-by: Matthew Peveler <matt@popsql.com>
---
 src/parser.ts                            |  2 +-
 test/identifier/single-statement.spec.ts | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/parser.ts b/src/parser.ts
index cb158ed..1b42f93 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -65,7 +65,7 @@ const blockOpeners: Record<Dialect, string[]> = {
   mssql: ['BEGIN', 'CASE'],
   sqlite: ['BEGIN', 'CASE'],
   oracle: ['DECLARE', 'BEGIN', 'CASE'],
-  bigquery: ['DECLARE', 'BEGIN', 'CASE'],
+  bigquery: ['BEGIN', 'CASE'],
 };
 
 interface ParseOptions {
diff --git a/test/identifier/single-statement.spec.ts b/test/identifier/single-statement.spec.ts
index c5c84f5..65b28fa 100644
--- a/test/identifier/single-statement.spec.ts
+++ b/test/identifier/single-statement.spec.ts
@@ -1361,5 +1361,24 @@ describe('identifier', () => {
 
       expect(actual).to.eql(expected);
     });
+
+    it('Should identify declare statement as unknown for bigquery', () => {
+      const actual = identify("DECLARE start_time TIMESTAMP DEFAULT '2022-08-08 13:05:00';", {
+        dialect: 'bigquery',
+        strict: false,
+      });
+      const expected = [
+        {
+          start: 0,
+          end: 58,
+          text: "DECLARE start_time TIMESTAMP DEFAULT '2022-08-08 13:05:00';",
+          type: 'UNKNOWN',
+          executionType: 'UNKNOWN',
+          parameters: [],
+        },
+      ];
+
+      expect(actual).to.eql(expected);
+    });
   });
 });