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Posted to issues@calcite.apache.org by "Zhengqiang Duan (Jira)" <ji...@apache.org> on 2022/12/01 00:41:00 UTC
[jira] [Commented] (CALCITE-5406) Support the SELECT DISTINCT ON statement for PostgreSQL dialect
[ https://issues.apache.org/jira/browse/CALCITE-5406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17641600#comment-17641600 ]
Zhengqiang Duan commented on CALCITE-5406:
------------------------------------------
Thanks for your suggestion [~julianhyde]. I'm sorry for the content of this jira, there's really no value in just providing the exception stack. I will adjust the content of this jira to describe it as a new feature request.
> Support the SELECT DISTINCT ON statement for PostgreSQL dialect
> ---------------------------------------------------------------
>
> Key: CALCITE-5406
> URL: https://issues.apache.org/jira/browse/CALCITE-5406
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.32.0
> Reporter: Zhengqiang Duan
> Assignee: Zhengqiang Duan
> Priority: Major
>
> I use the following sql statement to test with PostgreSQL dialect:
> {code:java}
> select distinct on (user_id) * from t_order order by user_id, order_id; {code}
> But a sql parsing exception is thrown.
> {code:java}
> org.apache.calcite.sql.parser.SqlParseException: Encountered "on" at line 1, column 17.
> Was expecting one of:
> "ABS" ...
> "ARRAY" ...
> "AVG" ...
> "CARDINALITY" ...
> "CASE" ...
> "CAST" ...
> "CEIL" ...
> "CEILING" ...
> "CHAR" ...
> "CHAR_LENGTH" ...
> "CHARACTER_LENGTH" ...
> "CLASSIFIER" ...
> "COALESCE" ...
> "COLLECT" ...
> "CONVERT" ...
> "COUNT" ...
> "COVAR_POP" ...
> "COVAR_SAMP" ...
> "CUME_DIST" ...
> "CURRENT" ...
> "CURRENT_CATALOG" ...
> "CURRENT_DATE" ...
> "CURRENT_DEFAULT_TRANSFORM_GROUP" ...
> "CURRENT_PATH" ...
> "CURRENT_ROLE" ...
> "CURRENT_SCHEMA" ...
> "CURRENT_TIME" ...
> "CURRENT_TIMESTAMP" ...
> "CURRENT_USER" ...
> "CURSOR" ...
> "DATE" ...
> "DENSE_RANK" ...
> "ELEMENT" ...
> "EVERY" ...
> "EXISTS" ...
> "EXP" ...
> "EXTRACT" ...
> "FALSE" ...
> "FIRST_VALUE" ...
> "FLOOR" ...
> "FUSION" ...
> "GROUPING" ...
> "HOUR" ...
> "INTERSECTION" ...
> "INTERVAL" ...
> "JSON_ARRAY" ...
> "JSON_ARRAYAGG" ...
> "JSON_EXISTS" ...
> "JSON_OBJECT" ...
> "JSON_OBJECTAGG" ...
> "JSON_QUERY" ...
> "JSON_VALUE" ...
> "LAG" ...
> "LAST_VALUE" ...
> "LEAD" ...
> "LEFT" ...
> "LN" ...
> "LOCALTIME" ...
> "LOCALTIMESTAMP" ...
> "LOWER" ...
> "MATCH_NUMBER" ...
> "MAX" ...
> "MIN" ...
> "MINUTE" ...
> "MOD" ...
> "MONTH" ...
> "MULTISET" ...
> "NEW" ...
> "NEXT" ...
> "NOT" ...
> "NTH_VALUE" ...
> "NTILE" ...
> "NULL" ...
> "NULLIF" ...
> "OCTET_LENGTH" ...
> "OVERLAY" ...
> "PERCENTILE_CONT" ...
> "PERCENTILE_DISC" ...
> "PERCENT_RANK" ...
> "PERIOD" ...
> "POSITION" ...
> "POWER" ...
> "PREV" ...
> "RANK" ...
> "REGR_COUNT" ...
> "REGR_SXX" ...
> "REGR_SYY" ...
> "RIGHT" ...
> "ROW" ...
> "ROW_NUMBER" ...
> "RUNNING" ...
> "SECOND" ...
> "SESSION_USER" ...
> "SOME" ...
> "SPECIFIC" ...
> "SQRT" ...
> "STDDEV_POP" ...
> "STDDEV_SAMP" ...
> "SUBSTRING" ...
> "SUM" ...
> "SYSTEM_USER" ...
> "TIME" ...
> "TIMESTAMP" ...
> "TRANSLATE" ...
> "TRIM" ...
> "TRUE" ...
> "TRUNCATE" ...
> "UNIQUE" ...
> "UNKNOWN" ...
> "UPPER" ...
> "USER" ...
> "VAR_POP" ...
> "VAR_SAMP" ...
> "YEAR" ...
> <UNSIGNED_INTEGER_LITERAL> ...
> <APPROX_NUMERIC_LITERAL> ...
> <DECIMAL_NUMERIC_LITERAL> ...
> <BINARY_STRING_LITERAL> ...
> <QUOTED_STRING> ...
> <PREFIXED_STRING_LITERAL> ...
> <UNICODE_STRING_LITERAL> ...
> <BIG_QUERY_DOUBLE_QUOTED_STRING> ...
> <BIG_QUERY_QUOTED_STRING> ...
> "(" ...
> <LBRACE_D> ...
> <LBRACE_T> ...
> <LBRACE_TS> ...
> <LBRACE_FN> ...
> "?" ...
> "+" ...
> "-" ...
> "*" ...
> <BRACKET_QUOTED_IDENTIFIER> ...
> <QUOTED_IDENTIFIER> ...
> <BACK_QUOTED_IDENTIFIER> ...
> <BIG_QUERY_BACK_QUOTED_IDENTIFIER> ...
> <HYPHENATED_IDENTIFIER> ...
> <IDENTIFIER> ...
> <UNICODE_QUOTED_IDENTIFIER> ...
> at org.apache.calcite.sql.parser.impl.SqlParserImpl.convertException(SqlParserImpl.java:402)
> at org.apache.calcite.sql.parser.impl.SqlParserImpl.normalizeException(SqlParserImpl.java:155)
> at org.apache.calcite.sql.parser.SqlParser.handleException(SqlParser.java:156)
> at org.apache.calcite.sql.parser.SqlParser.parseQuery(SqlParser.java:171) {code}
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