Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/520#discussion_r69997455
--- Diff:
exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillDatabaseMetaDataImpl.java
---
@@ -219,11 +226,26 @@ public boolean storesMixedCaseQuotedIdentifiers()
throws SQLException {
return super.storesMixedCaseQuotedIdentifiers();
}
- // TODO(DRILL-3510): Update when Drill accepts standard SQL's double
quote.
@Override
public String getIdentifierQuoteString() throws SQLException {
throwIfClosed();
- return "`";
+ boolean systemOption = false;
+ boolean sessionOption = false;
+ String sql = "select type, bool_val from sys.options where name =
'parser.ansi_quotes'";
+ ResultSet rs = executeSql(sql);
+ while (rs.next()) {
+ if (rs.getString(1).equals("SYSTEM")) {
+ systemOption = rs.getBoolean(2);
+ }
+ if (rs.getString(1).equals("SESSION")) {
+ sessionOption = rs.getBoolean(2);
+ }
+ }
+ if (systemOption || sessionOption) {
--- End diff --
If session option is turned off, but system options is turned on for
ansi_quote, do we still return DOULBE_QUOTE?
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