Jin Sun created HIVE-18168:
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Summary: Block create table statement with colon and dot in column
name
Key: HIVE-18168
URL: https://issues.apache.org/jira/browse/HIVE-18168
Project: Hive
Issue Type: Improvement
Reporter: Jin Sun
Priority: Minor
According to the documentation:
In Hive 0.13 and later, column names can contain any Unicode character (see
HIVE-6013), however, dot (.) and colon (:) yield errors on querying, so they
are disallowed in Hive 1.2.0 (see HIVE-10120). Any column name that is
specified within backticks (`) is treated literally. Within a backtick string,
use double backticks (``) to represent a backtick character. Backtick quotation
also enables the use of reserved keywords for table and column identifiers.
We should not only fail on querying but block users from creating such tables
as well.
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