strongduanmu commented on code in PR #18272:
URL: https://github.com/apache/shardingsphere/pull/18272#discussion_r894059342
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shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/antlr4/imports/postgresql/DMLStatement.g4:
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@@ -463,60 +463,38 @@ checkpoint
;
copy
- : COPY (BINARY)? qualifiedName (LP_ columnList RP_)? (FROM | TO) PROGRAM?
- (STRING_ | STDIN | STDOUT) copyDelimiter? (WITH)? copyOptions
whereClause?
- | COPY LP_ preparableStmt RP_ TO PROGRAM? (STRING_ | STDIN | STDOUT) WITH?
copyOptions
+ : copyWithTableOrQuery | copyWithTableOrQueryBinaryCsv |
copyWithTableBinary
;
-copyOptions
- : copyOptList | LP_ copyGenericOptList RP_
+copyWithTableOrQuery
+ : COPY (tableName columnNames? | LP_ preparableStmt RP_) (FROM | TO)
(fileName | PROGRAM STRING_ | STDIN | STDOUT) (WITH? LP_ copyOptionList RP_)?
whereClause?
Review Comment:
Do you think it is better to use qualifiedName? Because the table name in
the copy statement can be prefixed.
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