21 lines
671 B
SQL
21 lines
671 B
SQL
-- https://github.com/apache/incubator-doris/issues/4218
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drop database if exists issue_4218
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create database issue_4218
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use issue_4218
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-- create table
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DROP TABLE IF EXISTS `t3`
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CREATE TABLE `t3` (`c0` varchar(1)) ENGINE=OLAP DUPLICATE KEY(`c0`) COMMENT "OLAP" DISTRIBUTED BY HASH(`c0`) BUCKETS 10 PROPERTIES ("replication_num" = "1", "in_memory" = "false", "storage_format" = "DEFAULT")
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insert into t3 values(''),(NULL),('N'),('w')
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select *FROM t3 WHERE (CAST(t3.c0 AS BOOLEAN)) is NULL
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select * from t3
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select CAST('' AS BOOLEAN)
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select CAST('w' AS BOOLEAN)
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select CAST('n' AS BOOLEAN)
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select CAST('1' AS BOOLEAN)
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select CAST('0' AS BOOLEAN)
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drop database issue_4218
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