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https://issues.apache.org/jira/browse/CASSANDRA-12051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15366334#comment-15366334
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Tyler Hobbs commented on CASSANDRA-12051:
-----------------------------------------
Ah, good point. I forgot that we accepted the string literal {{now}} for
timestamp values. This isn't technically a function call (in CQL terms), so
other function names will not work.
> JSON does not take functions
> ----------------------------
>
> Key: CASSANDRA-12051
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12051
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Tianshi Wang
>
> toTimestamp(now()) does not work in JSON format.
> {code}
> cqlsh:ops> create table test (
> ... id int,
> ... ts timestamp,
> ... primary key(id)
> ... );
> cqlsh:ops> insert into test (id, ts) values (1, toTimestamp(now()));
> cqlsh:ops> select * from test;
> id | ts
> ----+---------------------------------
> 1 | 2016-06-21 18:46:28.753000+0000
> (1 rows)
> cqlsh:ops> insert into test JSON '{"id":2,"ts":toTimestamp(now())}';
> InvalidRequest: code=2200 [Invalid query] message="Could not decode JSON
> string as a map: org.codehaus.jackson.JsonParseException: Unrecognized token
> 'toTimestamp': was expecting
> at [Source: java.io.StringReader@2da0329d; line: 1, column: 25]. (String
> was: {"id":2,"ts":toTimestamp(now())})"
> cqlsh:ops> insert into test JSON '{"id":2,"ts":"toTimestamp(now())"}';
> InvalidRequest: code=2200 [Invalid query] message="Error decoding JSON value
> for ts: Unable to coerce 'toTimestamp(now())' to a formatted date (long)"
> {code}
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