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From "Javier Canillas (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-13935) Indexes creation should have IF EXISTS on its String representation
Date Wed, 04 Oct 2017 19:44:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16191923#comment-16191923
] 

Javier Canillas edited comment on CASSANDRA-13935 at 10/4/17 7:43 PM:
----------------------------------------------------------------------

This seems to happen with CUSTOM INDEXES too


was (Author: kani):
This seems to happens too with CUSTOM INDEXES

> Indexes creation should have IF EXISTS on its String representation
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-13935
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13935
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL, Secondary Indexes
>         Environment: Ubuntu 16.04.2 LTS
> java version "1.8.0_144"
> Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
> Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)
>            Reporter: Javier Canillas
>            Priority: Trivial
>
> I came across something that bothers me a lot. I'm using snapshots to backup data from
my Cassandra cluster in case something really bad happens (like dropping a table or a keyspace).
> Exercising the recovery actions from those backups, I discover that the schema put on
the file "schema.cql" as a result of the snapshot has the "CREATE IF NOT EXISTS" for the table,
but not for the indexes.
> When restoring from snapshots, and relying on the execution of these schemas to build
up the table structure, everything seems fine for tables without secondary indexes, but for
the ones that make use of them, the execution of these statements fail miserably.
> Here I paste a generated schema.cql content for a table with indexes:
> CREATE TABLE IF NOT EXISTS keyspace1.table1 (
> 	id text PRIMARY KEY,
> 	content text,
> 	last_update_date date,
> 	last_update_date_time timestamp)
> 	WITH ID = f1045fc0-2f59-11e7-95ec-295c3c064920
> 	AND bloom_filter_fp_chance = 0.01
> 	AND dclocal_read_repair_chance = 0.1
> 	AND crc_check_chance = 1.0
> 	AND default_time_to_live = 8640000
> 	AND gc_grace_seconds = 864000
> 	AND min_index_interval = 128
> 	AND max_index_interval = 2048
> 	AND memtable_flush_period_in_ms = 0
> 	AND read_repair_chance = 0.0
> 	AND speculative_retry = '99PERCENTILE'
> 	AND caching = { 'keys': 'NONE', 'rows_per_partition': 'NONE' }
> 	AND compaction = { 'max_threshold': '32', 'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy'
}
> 	AND compression = { 'chunk_length_in_kb': '64', 'class': 'org.apache.cassandra.io.compress.LZ4Compressor'
}
> 	AND cdc = false
> 	AND extensions = {  };
> CREATE INDEX table1_last_update_date_idx ON keyspace1.table1 (last_update_date);
> I think the last part should be:
> CREATE INDEX IF NOT EXISTS table1_last_update_date_idx ON keyspace1.table1 (last_update_date);



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