TsReaper commented on a change in pull request #9029: [FLINK-13118][jdbc]
Introduce JDBC table factory and bridge JDBC table source with streaming table
source
URL: https://github.com/apache/flink/pull/9029#discussion_r301882168
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File path:
flink-connectors/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/dialect/JDBCDialect.java
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@@ -125,7 +125,7 @@ default String getSelectFromStatement(String tableName,
String[] selectFields, S
String fieldExpressions = Arrays.stream(conditionFields)
.map(f -> quoteIdentifier(f) + "=?")
.collect(Collectors.joining(" AND "));
- return "SELECT " + selectExpressions + " FROM " +
- quoteIdentifier(tableName) + " WHERE " +
fieldExpressions;
+ return "SELECT " + (selectFields.length > 0 ? selectExpressions
: "*") + " FROM " +
Review comment:
Actually I discover that I don't need select star for now, so I'll change it
back.
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