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e50bfa8376
Decimal type is a primitive data type for Impala. Current code returns wrong values for columns with decimal data type in external JDBC tables. This patch fixes wrong values returned from JDBC data source, and supports pushing down decimal type of predicates to remote database and remote Impala. The decimal precision and scale of the columns in external JDBC table must be no less than the decimal precision and scale of the corresponding columns in the table of remote database. Otherwise, Impala fails with an error since it may cause truncation of decimal data. Testing: - Added Planner test for pushing down decimal type of predicates. - Added end-to-end unit-tests for tables with decimal type of columns for Postgres, MySQL, and Impala-to-Impala. - Passed core-tests. Change-Id: I8c9d2e0667c42c0e52436b158e3dfe3ec14b9e3b Reviewed-on: http://gerrit.cloudera.org:8080/21218 Reviewed-by: Michael Smith <michael.smith@cloudera.com> Reviewed-by: Abhishek Rawat <arawat@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
49 lines
1.6 KiB
Bash
Executable File
49 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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# This script deletes the mysql jdbc, sql files and stops
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# the mysqld container.
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set -euo pipefail
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. $IMPALA_HOME/bin/report_build_error.sh
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setup_report_build_error
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. ${IMPALA_HOME}/bin/impala-config.sh > /dev/null 2>&1
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# Cleanup the jar
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rm -rf /tmp/mysql-connector-j-8*
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# Clean up mysql source jar
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rm -rf /tmp/mysql-8.2.0.*
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# Clean tmp files
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rm -f /tmp/mysql_jdbc_alltypes.*
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rm -f /tmp/mysql_jdbc.*sql
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rm -f /tmp/mysql_jdbc_decimal_tbl.*
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EXT_DATA_SOURCES_HDFS_PATH=${FILESYSTEM_PREFIX}/test-warehouse/data-sources
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JDBC_DRIVERS_HDFS_PATH=${EXT_DATA_SOURCES_HDFS_PATH}/jdbc-drivers
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# Remove jar file of mysql jdbc driver from Hadoop FS.
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hadoop fs -rm -f ${JDBC_DRIVERS_HDFS_PATH}/mysql-jdbc.jar
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echo "Removed mysql-jdbc.jar from HDFS" ${JDBC_DRIVERS_HDFS_PATH}
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# Stop the mysqld docker container
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docker stop mysql
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