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IMPALA-10660: Impala shell prints DOUBLEs with less precision in HS2 than beeswax

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This change adds a shell option called "hs2_fp_format"
which manipulates the print format of floating-point values in HS2.
It lets the user to specify a Python-based format specification
expression (https://docs.python.org/2.7/library/string.html#formatspec)
which will get parsed and applied to floating-point
column values. The default value is None, in this case the
formatting is the same as the state before this change.
This option does not support the Beeswax protocol, because Beeswax
converts all of the column values to strings in its response.

Tests: command line tests for various formatting options and
       for invalid formatting option

Change-Id: I424339266be66437941be8bafaa83fa0f2dfbd4e
Reviewed-on: http://gerrit.cloudera.org:8080/18990
Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
This commit is contained in:
Peter Rozsa
2022-09-09 18:30:50 +02:00
committed by Impala Public Jenkins
parent 3f382b7ebb
commit 81e36d4584
8 changed files with 224 additions and 44 deletions
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1
shell/packaging/make_python_package.sh
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@@ -60,6 +60,7 @@ assemble_package_files() {
cp "${SHELL_HOME}/ImpalaHttpClient.py" "${MODULE_LIB_DIR}"
cp "${SHELL_HOME}/shell_exceptions.py" "${MODULE_LIB_DIR}"
cp "${SHELL_HOME}/cookie_util.py" "${MODULE_LIB_DIR}"
cp "${SHELL_HOME}/value_converter.py" "${MODULE_LIB_DIR}"
cp "${SHELL_HOME}/packaging/README.md" "${PACKAGE_DIR}"
cp "${SHELL_HOME}/packaging/MANIFEST.in" "${PACKAGE_DIR}"