[calcite] branch master updated (a6a1e2c -> a15dc38)

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forwardxu pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/calcite.git.


    from a6a1e2c  [CALCITE-5044] JDBC adapter generates integer literal in ORDER BY, which some dialects wrongly interpret as a reference to a field
     add 10ac7e2  [CALCITE-4989] Nested JSON_OBJECT creation does not produce proper json
     add 244222e  fix checkstyle
     add a15dc38  make jdk11 checker happy

No new revisions were added by this update.

Summary of changes:
 .../calcite/adapter/enumerable/RexImpTable.java    |   3 +
 .../org/apache/calcite/runtime/JsonFunctions.java  |   2 +-
 .../main/java/org/apache/calcite/sql/SqlKind.java  |   3 +
 ...faultOperator.java => SqlJsonTypeOperator.java} |  28 ++---
 .../calcite/sql/fun/SqlStdOperatorTable.java       |   3 +
 .../apache/calcite/sql2rel/SqlToRelConverter.java  | 138 +++++++++++++++++++++
 .../apache/calcite/test/SqlJsonFunctionsTest.java  |   8 --
 .../apache/calcite/test/SqlToRelConverterTest.java |  52 ++++++++
 .../apache/calcite/test/SqlToRelConverterTest.xml  |  84 +++++++++++++
 core/src/test/resources/sql/agg.iq                 |  26 ++++
 .../org/apache/calcite/test/SqlOperatorTest.java   |   6 +-
 11 files changed, 324 insertions(+), 29 deletions(-)
 copy core/src/main/java/org/apache/calcite/sql/fun/{SqlDefaultOperator.java => SqlJsonTypeOperator.java} (65%)