From f958526560eb4a34eba53e0bbe959b7b2d929d66 Mon Sep 17 00:00:00 2001
From: nooberfsh <nooberfsh@gmail.com>
Date: Sun, 2 Jan 2022 15:52:52 +0800
Subject: [PATCH] support empty array expression in presto

---
 dialects/presto/src/Database/Sql/Presto/Parser.hs | 2 +-
 test/Database/Sql/Presto/Parser/Test.hs           | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/dialects/presto/src/Database/Sql/Presto/Parser.hs b/dialects/presto/src/Database/Sql/Presto/Parser.hs
index 6b4b709..84485fc 100644
--- a/dialects/presto/src/Database/Sql/Presto/Parser.hs
+++ b/dialects/presto/src/Database/Sql/Presto/Parser.hs
@@ -948,7 +948,7 @@ arrayPrimaryExprP :: Parser (Expr RawNames Range)
 arrayPrimaryExprP = do
     r <- Tok.arrayP
     _ <- Tok.openBracketP
-    exprs <- exprP `sepBy1` Tok.commaP
+    exprs <- exprP `sepBy` Tok.commaP
     r' <- Tok.closeBracketP
     return $ ArrayExpr (r <> r') exprs
 
diff --git a/test/Database/Sql/Presto/Parser/Test.hs b/test/Database/Sql/Presto/Parser/Test.hs
index fe03b4e..4b92f61 100644
--- a/test/Database/Sql/Presto/Parser/Test.hs
+++ b/test/Database/Sql/Presto/Parser/Test.hs
@@ -119,6 +119,7 @@ testParser = test
         , "SELECT CURRENT_TIME(1);"
         , "SELECT CURRENT_DATE;"
         , "SELECT ARRAY[1+1, LOCALTIME];"
+        , "SELECT ARRAY[];"
         , "SELECT CAST(NULL AS BIGINT);"
         , "SELECT TRY_CAST(NULL AS BIGINT);"
         , "SELECT TRY_CAST(NULL AS BIGINT ARRAY);"