From 67eb0eeecf0a3b19549c7af4d6bfc234f03e7269 Mon Sep 17 00:00:00 2001
From: "a.sabirov" <a.sabirov@picodata.io>
Date: Thu, 26 Dec 2024 01:03:56 +0300
Subject: [PATCH] query.ebnf: add coalesce rule
Follow-up for !1425
---
sbroad/doc/sql/query.ebnf | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sbroad/doc/sql/query.ebnf b/sbroad/doc/sql/query.ebnf
index 91cc4633b6..f02956e700 100644
--- a/sbroad/doc/sql/query.ebnf
+++ b/sbroad/doc/sql/query.ebnf
@@ -23,6 +23,7 @@ expression ::= ('NOT'* (
| literal
| case
| cast
+ | coalesce
| current_date
| like
| ilike
@@ -52,6 +53,7 @@ case ::= 'CASE' expression?
('WHEN' expression 'THEN' expression)+
('ELSE' expression)? 'END'
cast ::= 'CAST' '(' expression 'AS' type ')' | expression '::' type
+coalesce ::= 'COALESCE' '(' expression ',' expression (',' expression)* ')'
like ::= expression 'LIKE' expression ('ESCAPE' expression)?
ilike ::= expression 'ILIKE' expression ('ESCAPE' expression)?
to_char ::= 'TO_CHAR' '(' expression ',' format ')'
--
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