Impala Public Jenkins has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/21425 )

Change subject: IMPALA-13079: Add support for FLOAT/DOUBLE in Iceberg metadata 
tables
......................................................................

IMPALA-13079: Add support for FLOAT/DOUBLE in Iceberg metadata tables

Until now, the float and double data types were not supported in Iceberg
metadata tables. This commit adds support for them.

Testing:
 - added a test table that contains all primitive types (except for
   decimal, which is still not supported), a struct, an array and a map
 - added a test query that queries the `files` metadata table of the
   above table - the 'readable_metrics' struct contains lower and upper
   bounds for all columns in the original table, with the original type

Change-Id: I2171c9aa9b6d2b634b8c511263b1610cb1d7cb29
Reviewed-on: http://gerrit.cloudera.org:8080/21425
Reviewed-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
---
M be/src/exec/iceberg-metadata/iceberg-row-reader.cc
M be/src/exec/iceberg-metadata/iceberg-row-reader.h
M testdata/datasets/functional/functional_schema_template.sql
M testdata/datasets/functional/schema_constraints.csv
M 
testdata/workloads/functional-query/queries/QueryTest/iceberg-metadata-tables.test
5 files changed, 122 insertions(+), 0 deletions(-)

Approvals:
  Impala Public Jenkins: Looks good to me, approved; Verified

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I2171c9aa9b6d2b634b8c511263b1610cb1d7cb29
Gerrit-Change-Number: 21425
Gerrit-PatchSet: 5
Gerrit-Owner: Daniel Becker <daniel.bec...@cloudera.com>
Gerrit-Reviewer: Daniel Becker <daniel.bec...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Peter Rozsa <pro...@cloudera.com>

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