io.trino.tests.product.hive.util.TableLocationUtils Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.trino.tests.product.hive.util;
import java.net.URI;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static com.google.common.collect.Iterables.getOnlyElement;
import static io.trino.tests.product.utils.QueryExecutors.onTrino;
import static java.lang.String.format;
public final class TableLocationUtils
{
private static final Pattern ACID_LOCATION_PATTERN = Pattern.compile("(.*)/delta_[^/]+");
private TableLocationUtils()
{
}
public static String getTableLocation(String tableName)
{
return getTableLocation(tableName, 0);
}
public static String getTableLocation(String tableName, int partitionColumns)
{
StringBuilder regex = new StringBuilder("/[^/]*$");
for (int i = 0; i < partitionColumns; i++) {
regex.insert(0, "/[^/]*");
}
String tableLocation = getOnlyElement(onTrino().executeQuery(format("SELECT DISTINCT regexp_replace(\"$path\", '%s', '') FROM %s", regex, tableName)).column(1));
// trim the /delta_... suffix for ACID tables
Matcher acidLocationMatcher = ACID_LOCATION_PATTERN.matcher(tableLocation);
if (acidLocationMatcher.matches()) {
tableLocation = acidLocationMatcher.group(1);
}
return tableLocation;
}
public static String getTablePath(String tableName)
{
return getTablePath(tableName, 0);
}
public static String getTablePath(String tableName, int partitionColumns)
{
String location = getTableLocation(tableName, partitionColumns);
return URI.create(location).getPath();
}
}