xiangfu0 commented on code in PR #9263:
URL: https://github.com/apache/pinot/pull/9263#discussion_r951989943
##########
pinot-clients/pinot-java-client/src/main/java/org/apache/pinot/client/Connection.java:
##########
@@ -105,6 +108,38 @@ public ResultSetGroup execute(Request request)
return execute(null, request);
}
+ /**
+ * Extract tableName from the given query
+ * @param query
+ * @return tableName
+ * @throws PinotClientException
+ */
+ public String getTableNameFromQuery(String query) {
+ PinotQuery pinotQuery;
+
+ try {
+ pinotQuery = CalciteSqlParser.compileToPinotQuery(query);
+ } catch (Exception e) {
+ LOGGER.info("Caught exception while compiling SQL request: {}, {}",
query, e.getMessage());
+ throw new PinotClientException("Caught exception while compiling SQL
request");
Review Comment:
Add e to the PinotClientException.
##########
pinot-clients/pinot-java-client/src/main/java/org/apache/pinot/client/Connection.java:
##########
@@ -105,6 +108,38 @@ public ResultSetGroup execute(Request request)
return execute(null, request);
}
+ /**
+ * Extract tableName from the given query
+ * @param query
+ * @return tableName
+ * @throws PinotClientException
+ */
+ public String getTableNameFromQuery(String query) {
+ PinotQuery pinotQuery;
+
+ try {
+ pinotQuery = CalciteSqlParser.compileToPinotQuery(query);
+ } catch (Exception e) {
+ LOGGER.info("Caught exception while compiling SQL request: {}, {}",
query, e.getMessage());
+ throw new PinotClientException("Caught exception while compiling SQL
request");
+ }
+
+ DataSource dataSource;
+
+ try {
+ dataSource = pinotQuery.getDataSource();
+ } catch (Exception e) {
+ throw new PinotClientException("Caught exception while extracting
DataSource from PinotQuery. DataSource is null.");
+ }
+
+ String tableName = dataSource.getTableName();
+
+ if(tableName == null) {
Review Comment:
If tableName is null, then return null.
I'm thinking of the case like `select 1` which is a valid SQL and should be
executed by any pinot broker.
##########
pinot-clients/pinot-java-client/src/main/java/org/apache/pinot/client/Connection.java:
##########
@@ -105,6 +108,38 @@ public ResultSetGroup execute(Request request)
return execute(null, request);
}
+ /**
+ * Extract tableName from the given query
+ * @param query
+ * @return tableName
+ * @throws PinotClientException
+ */
+ public String getTableNameFromQuery(String query) {
+ PinotQuery pinotQuery;
+
+ try {
+ pinotQuery = CalciteSqlParser.compileToPinotQuery(query);
+ } catch (Exception e) {
+ LOGGER.info("Caught exception while compiling SQL request: {}, {}",
query, e.getMessage());
Review Comment:
LOGGER.error
##########
pinot-clients/pinot-java-client/src/main/java/org/apache/pinot/client/Connection.java:
##########
@@ -105,6 +108,38 @@ public ResultSetGroup execute(Request request)
return execute(null, request);
}
+ /**
+ * Extract tableName from the given query
+ * @param query
+ * @return tableName
+ * @throws PinotClientException
+ */
+ public String getTableNameFromQuery(String query) {
+ PinotQuery pinotQuery;
+
+ try {
+ pinotQuery = CalciteSqlParser.compileToPinotQuery(query);
+ } catch (Exception e) {
+ LOGGER.info("Caught exception while compiling SQL request: {}, {}",
query, e.getMessage());
+ throw new PinotClientException("Caught exception while compiling SQL
request");
+ }
+
+ DataSource dataSource;
+
+ try {
+ dataSource = pinotQuery.getDataSource();
Review Comment:
When this will throw an exception?
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