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[fix](oracle scan) Fix performance issues caused by version judgment #41407

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merged 1 commit into from
Sep 30, 2024
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[fix](oracle scan) Fix performance issues caused by version judgment #41407

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4 changes: 3 additions & 1 deletion ...-java-extensions/jdbc-scanner/src/main/java/org/apache/doris/jdbc/OracleJdbcExecutor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,9 +39,11 @@
public class OracleJdbcExecutor extends BaseJdbcExecutor {
private static final Logger LOG = Logger.getLogger(OracleJdbcExecutor.class);
private final CharsetDecoder utf8Decoder = StandardCharsets.UTF_8.newDecoder();
private final boolean isNewJdbcVersion;

public OracleJdbcExecutor(byte[] thriftParams) throws Exception {
super(thriftParams);
isNewJdbcVersion = isJdbcVersionGreaterThanOrEqualTo("12.2.0");
}

@Override
Expand All @@ -65,7 +67,7 @@ protected void initializeBlock(int columnCount, String[] replaceStringList, int

@Override
protected Object getColumnValue(int columnIndex, ColumnType type, String[] replaceStringList) throws SQLException {
if (isJdbcVersionGreaterThanOrEqualTo("12.2.0")) {
if (isNewJdbcVersion) {
return newGetColumnValue(columnIndex, type, replaceStringList);
} else {
return oldGetColumnValue(columnIndex, type, replaceStringList);
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