Cassandra 卡桑德拉插入布尔错误
我使用的是Cassandra,视觉信息如下:Cassandra 卡桑德拉插入布尔错误,cassandra,cql,cqlsh,Cassandra,Cql,Cqlsh,我使用的是Cassandra,视觉信息如下: [cqlsh 5.0.1 | Cassandra 2.1.2 | CQL spec 3.2.0 | Native protocol v3] CREATE TABLE test.crew ( name text PRIMARY KEY, alliance_trouble boolean, bunk int ) WITH bloom_filter_fp_chance = 0.01 AND caching = '{"keys":"ALL", "rows_
[cqlsh 5.0.1 | Cassandra 2.1.2 | CQL spec 3.2.0 | Native protocol v3]
CREATE TABLE test.crew (
name text PRIMARY KEY,
alliance_trouble boolean,
bunk int
) WITH bloom_filter_fp_chance = 0.01
AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
AND comment = ''
AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
AND compression = {'sstable_compression': 'org.apache.cassandra.io.compress.LZ4Compressor'}
AND dclocal_read_repair_chance = 0.1
AND default_time_to_live = 0
AND gc_grace_seconds = 864000
AND max_index_interval = 2048
AND memtable_flush_period_in_ms = 0
AND min_index_interval = 128
AND read_repair_chance = 0.0
AND speculative_retry = '99.0PERCENTILE';
我发现在CQL
中可以插入布尔值
我的表架构如下所示:
[cqlsh 5.0.1 | Cassandra 2.1.2 | CQL spec 3.2.0 | Native protocol v3]
CREATE TABLE test.crew (
name text PRIMARY KEY,
alliance_trouble boolean,
bunk int
) WITH bloom_filter_fp_chance = 0.01
AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
AND comment = ''
AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
AND compression = {'sstable_compression': 'org.apache.cassandra.io.compress.LZ4Compressor'}
AND dclocal_read_repair_chance = 0.1
AND default_time_to_live = 0
AND gc_grace_seconds = 864000
AND max_index_interval = 2048
AND memtable_flush_period_in_ms = 0
AND min_index_interval = 128
AND read_repair_chance = 0.0
AND speculative_retry = '99.0PERCENTILE';
当我使用cql
插入
insert into crew (alliance_trouble) values ('true');
它表明:
code=2200 [Invalid query] message="Invalid STRING constant (true) for "alliance_trouble" of type boolean"
这里有什么问题?如何在Cassandra中插入boolean
类型
> insert into crew (alliance_trouble) values ('true');
code=2200 [Invalid query] message="Invalid STRING constant (true) for "alliance_trouble" of type boolean"
我在这里看到两个问题#1,将值true
作为字符串常量插入。去掉单引号。但即使这样也不能完全解决这个问题:
> insert into crew (alliance_trouble) values (true);
code=2200 [Invalid query] message="Missing mandatory PRIMARY KEY part name"
如果不指定主键,则不能插入值,或者在这种情况下不能指定名称:
> insert into crew (name,alliance_trouble) values ('Malcolm Reynolds',true);
> SELECT * FROM crew;
name | alliance_trouble | bunk
------------------+------------------+------
Malcolm Reynolds | True | null
(1 rows)
请注意,我只是好奇,为什么
datasax
提供了错误的信息…@您引用的文章是2012年关于C*1.1的博客文章。我在底部留下了一条评论,指出布尔值不应该被引用。