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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