From 63f620481913cac1069062561c0eb46649219e42 Mon Sep 17 00:00:00 2001
From: "E. Choroba" <choroba@matfyz.cz>
Date: Fri, 28 Jun 2024 12:24:27 -0700
Subject: [PATCH] Stop parsing a table named "limits" as the LIMIT keyword

Fixes #205.
---
 dbdimp.c    |  2 ++
 t/35limit.t | 22 +++++++++++++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/dbdimp.c b/dbdimp.c
index 6104405d..869a4d21 100644
--- a/dbdimp.c
+++ b/dbdimp.c
@@ -883,6 +883,8 @@ static char *parse_params(
 
 	/* in case this is a nested LIMIT */
       case ')':
+        /* in case this is table named "limit" */
+      case '=':
         limit_flag = FALSE;
 	*ptr++ = *statement_ptr++;
         break;
diff --git a/t/35limit.t b/t/35limit.t
index 35429049..4a833e79 100644
--- a/t/35limit.t
+++ b/t/35limit.t
@@ -14,7 +14,7 @@ require 'lib.pl';
 
 my $dbh = DbiTestConnect($test_dsn, $test_user, $test_password,
                       { RaiseError => 1, PrintError => 0, AutoCommit => 0 });
-plan tests => 120;
+plan tests => 124;
 
 ok(defined $dbh, "Connected to database");
 
@@ -75,4 +75,24 @@ SQL
 
 ok($dbh->do("DROP TABLE dbd_mysql_t35"));
 
+# Issue #205: A table named "limits" shouldn't be parsed as LIMIT.
+my $limits = 500;
+my $flag = 1;
+my $id = 1;
+$dbh->do('CREATE TABLE IF NOT EXISTS dbd_mysql_t35_1 ( id INT(10) PRIMARY KEY, lxmxts INT(10), flag ENUM("9","0","1") )');
+$dbh->do('INSERT INTO dbd_mysql_t35_1 SET id=?, lxmxts=?, flag=?', undef, $id, $limits, $flag);
+my ($set_flag1) = $dbh->selectrow_array('SELECT flag FROM dbd_mysql_t35_1 WHERE id=?', undef, $id);
+
+is($set_flag1, $flag, 'flag set without limits involved');
+
+ok($dbh->do('DROP TABLE dbd_mysql_t35_1'));
+
+$dbh->do('CREATE TABLE IF NOT EXISTS dbd_mysql_t35_2 ( id INT(10) PRIMARY KEY, limits INT(10), flag ENUM("9","0","1") )');
+$dbh->do('INSERT INTO dbd_mysql_t35_2 SET id=?, limits=?, flag=?', undef, $id, $limits, $flag);
+my ($set_flag2) = $dbh->selectrow_array('SELECT flag FROM dbd_mysql_t35_2 WHERE id=?', undef, $id);
+
+is($set_flag2, $flag, 'flag set with limits involved');
+
+ok($dbh->do('DROP TABLE dbd_mysql_t35_2'));
+
 ok($dbh->disconnect);