From 3903ab0cbbd9a146745f550fce7328bdd08074e8 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jeff@bloq.com>
Date: Sat, 17 Feb 2018 00:13:29 -0500
Subject: [PATCH] sql.l: Handle square bracket column names

Credit: @mewalig
Fixes #2
---
 Makefile.am | 3 ++-
 ok3.sql     | 1 +
 sql.l       | 1 +
 3 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 ok3.sql

diff --git a/Makefile.am b/Makefile.am
index 3d9c288..2fbaea6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -17,7 +17,8 @@ EXTRA_DIST = sql.y sql.l \
 	fail3.sql \
 	fail4.sql \
 	ok1.sql \
-	ok2.sql
+	ok2.sql \
+	ok3.sql
 
 sql_SOURCES = exec.c sql-parser.h
 nodist_sql_SOURCES = sql.c sql.tab.c sql.tab.h sql.lex.h
diff --git a/ok3.sql b/ok3.sql
new file mode 100644
index 0000000..e496389
--- /dev/null
+++ b/ok3.sql
@@ -0,0 +1 @@
+select [a b] from d;
diff --git a/sql.l b/sql.l
index 30f58df..b04ae94 100644
--- a/sql.l
+++ b/sql.l
@@ -345,6 +345,7 @@ COUNT    { int c = input(pstate->scanner); unput(c);
 
 [A-Za-z][A-Za-z0-9_]*	{ yylval->strval = strdup(yytext);
                           return NAME; }
+\[(\\.|[^\]\n])*\] |
 `[^`/\\.\n]+`           { yylval->strval = strdup(yytext+1);
                           yylval->strval[yyleng-2] = 0;
                           return NAME; }