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我必須包含這些列的表:欄添加「ALTER TABLE」當我提出一個要求不出現
[email protected]:test> DESCRIBE Table "ItemSource";
CREATE TABLE connect."ItemSource" (
"Identifier" text,
"SourceID" uuid,
"ItemID" uuid,
"Priority" int,
"AdditionalParams" map<text, text>,
"Binding" map<text, text>,
"CountryRestriction" list<text>,
"ItemSourceID" uuid,
"Marker" text,
"Scraped" int,
"SearchField" text,
PRIMARY KEY (("Identifier", "SourceID"), "ItemID", "Priority")
) WITH CLUSTERING ORDER BY ("ItemID" ASC, "Priority" ASC)
AND 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';
我公司推出以下欄添加一個名爲int類型的限價欄:
ALTER TABLE "ItemSource" ADD "Limit" int;
表中已經包含元素,我更新了它們全部以便它們具有極限值0,如果我使用cqlsh執行以下命令,則出現「限制」列並且值也存在。
但如果我使用gocql,圍棋驅動程序卡桑德拉做同樣的要求,我沒有收到限制列,但我收到了別人,這裏是所提出的要求:
SELECT * FROM "ItemSource" WHERE "Identifier" = ? AND "ItemID" = ? AND "SourceID" = ? AND "Priority" = ? LIMIT ? ALLOW FILTERING
我有不知道發生了什麼,我試圖將數據複製到一個csv文件,然後截斷表,然後重新導入數據,仍然得到相同的結果...
它可能是一個緩存問題?如果是,我該如何清空它。否則,它會是什麼?
這可能是go驅動程序中的一個錯誤:我會建議報告它 – 2015-02-06 01:42:49