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from 9652b6d [FLINK-18325][table-sql-parser] Check null when calling SqlDataTypeSpec#getNullable add a2eb2c1 [FLINK-19891][table-planner-blink] ScalarOperatorGens should generate a not-null type for IS NULL and IS NOT NULL No new revisions were added by this update. Summary of changes: .../planner/codegen/calls/ScalarOperatorGens.scala | 12 +++++------ .../planner/runtime/stream/sql/FunctionITCase.java | 23 ++++++++++++++++++++++ 2 files changed, 29 insertions(+), 6 deletions(-)