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Posted to issues@hive.apache.org by "Ashish Sharma (Jira)" <ji...@apache.org> on 2020/10/03 05:26:00 UTC
[jira] [Assigned] (HIVE-24223) Insert into Hive tables doesn't work
for decimal numbers with no preceding digit before the decimal
[ https://issues.apache.org/jira/browse/HIVE-24223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashish Sharma reassigned HIVE-24223:
------------------------------------
Assignee: Ashish Sharma
> Insert into Hive tables doesn't work for decimal numbers with no preceding digit before the decimal
> ---------------------------------------------------------------------------------------------------
>
> Key: HIVE-24223
> URL: https://issues.apache.org/jira/browse/HIVE-24223
> Project: Hive
> Issue Type: Bug
> Affects Versions: All Versions
> Reporter: Kriti Jha
> Assignee: Ashish Sharma
> Priority: Minor
>
> Any insert operation to a table in Hive with decimal integers without a digit before the DOT ('.') fails with an exception as shown below:
> ------------------------------------------------------------------
> hive> create table test_dec(id decimal(10,8));
> hive> insert into test_dec values (-.00005);
> NoViableAltException(16@[412:1: atomExpression : ( constant | ( intervalExpression )=> intervalExpression | castExpression | extractExpression | floorExpression | caseExpression | whenExpression | ( subQueryExpression )=> ( subQueryExpression ) -> ^( TOK_SUBQUERY_EXPR TOK_SUBQUERY_OP subQueryExpression ) | ( functionName LPAREN )=> function | tableOrColumn | expressionsInParenthesis[true] );])NoViableAltException(16@[412:1: atomExpression : ( constant | ( intervalExpression )=> intervalExpression | castExpression | extractExpression | floorExpression | caseExpression | whenExpression | ( subQueryExpression )=> ( subQueryExpression ) -> ^( TOK_SUBQUERY_EXPR TOK_SUBQUERY_OP subQueryExpression ) | ( functionName LPAREN )=> function | tableOrColumn | expressionsInParenthesis[true] );]) at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser$DFA36.specialStateTransition(HiveParser_IdentifiersParser.java:31810) at org.antlr.runtime.DFA.predict(DFA.java:80) at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.atomExpression(HiveParser_IdentifiersParser.java:6746) at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceFieldExpression(HiveParser_IdentifiersParser.java:6988) at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceUnaryPrefixExpression(HiveParser_IdentifiersParser.java:7324) at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceUnarySuffixExpression(HiveParser_IdentifiersParser.java:7380) at
> ...
> org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.expression(HiveParser_IdentifiersParser.java:6686) at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.expressionsNotInParenthesis(HiveParser_IdentifiersParser.java:2287) at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.expressionsInParenthesis(HiveParser_IdentifiersParser.java:2233) at org.apache.hadoop.hive.ql.parse.HiveParser.expressionsInParenthesis(HiveParser.java:42106) at org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.valueRowConstructor(HiveParser_FromClauseParser.java:6499) at org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.valuesTableConstructor(HiveParser_FromClauseParser.java:6583) at org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.valuesClause(HiveParser_FromClauseParser.java:6704) at org.apache.hadoop.hive.ql.parse.HiveParser.valuesClause(HiveParser.java:41954) at org.apache.hadoop.hive.ql.parse.HiveParser.regularBody(HiveParser.java:36536) at org.apache.hadoop.hive.ql.parse.HiveParser.queryStatementExpressionBody(HiveParser.java:35822) at
> ...
> org.apache.hadoop.util.RunJar.main(RunJar.java:153)FAILED: ParseException line 1:30 cannot recognize input near '.' '00005' ')' in expression specification
> ------------------------------------------------------------------
> It seems to be coming from the Lexer where the types are defined and the definition of 'Number' should be coming into play:
> ----------------------
> Number : (Digit)+ ( DOT (Digit)* (Exponent)? | Exponent)? ;
> ----------------------
> >[https://github.com/apache/hive/blob/2006e52713508a92fb4d1d28262fd7175eade8b7/parser/src/java/org/apache/hadoop/hive/ql/parse/HiveLexerParent.g#L469]
> However, the below works:
> > insert into test_dec values ('-.00005');
> > insert into test_dec values (-0.00005);
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