Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/877#discussion_r132406353
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/exec/store/parquet/TestParquetMetadataCache.java
---
@@ -452,33 +458,202 @@ public void testMoveCache() throws Exception {
@Test
public void testMetadataCacheAbsolutePaths() throws Exception {
+ final String absolutePathsMetadata = "absolute_paths_metadata";
try {
test("use dfs_test.tmp");
- final String relative_path_metadata_t1 = RELATIVE_PATHS_METADATA +
"/t1";
- final String relative_path_metadata_t2 = RELATIVE_PATHS_METADATA +
"/t2";
- test("create table `%s` as select * from cp.`tpch/nation.parquet`",
relative_path_metadata_t1);
- test("create table `%s` as select * from cp.`tpch/nation.parquet`",
relative_path_metadata_t2);
+ // creating two inner directories to leverage
METADATA_DIRECTORIES_FILENAME metadata file as well
+ final String absolutePathsMetadataT1 = absolutePathsMetadata + "/t1";
+ final String absolutePathsMetadataT2 = absolutePathsMetadata + "/t2";
+ test("create table `%s` as select * from cp.`tpch/nation.parquet`",
absolutePathsMetadataT1);
+ test("create table `%s` as select * from cp.`tpch/nation.parquet`",
absolutePathsMetadataT2);
copyMetaDataCacheToTempReplacingInternalPaths("parquet/metadata_with_absolute_path/"
+
- "metadata_directories_with_absolute_paths.requires_replace.txt",
RELATIVE_PATHS_METADATA, Metadata.METADATA_DIRECTORIES_FILENAME);
+ "metadata_directories_with_absolute_paths.requires_replace.txt",
absolutePathsMetadata, Metadata.METADATA_DIRECTORIES_FILENAME);
copyMetaDataCacheToTempReplacingInternalPaths("parquet/metadata_with_absolute_path/"
+
- "metadata_table_with_absolute_paths.requires_replace.txt",
RELATIVE_PATHS_METADATA, Metadata.METADATA_FILENAME);
+ "metadata_table_with_absolute_paths.requires_replace.txt",
absolutePathsMetadata, Metadata.METADATA_FILENAME);
copyMetaDataCacheToTempReplacingInternalPaths("parquet/metadata_with_absolute_path/"
+
- "metadata_table_with_absolute_paths_t1.requires_replace.txt",
relative_path_metadata_t1, Metadata.METADATA_FILENAME);
+ "metadata_table_with_absolute_paths_t1.requires_replace.txt",
absolutePathsMetadataT1, Metadata.METADATA_FILENAME);
copyMetaDataCacheToTempReplacingInternalPaths("parquet/metadata_with_absolute_path/"
+
- "metadata_table_with_absolute_paths_t2.requires_replace.txt",
relative_path_metadata_t2, Metadata.METADATA_FILENAME);
+ "metadata_table_with_absolute_paths_t2.requires_replace.txt",
absolutePathsMetadataT2, Metadata.METADATA_FILENAME);
+ String query = String.format("select * from %s",
absolutePathsMetadata);
+ int expectedRowCount = 50;
+ int expectedNumFiles = 1; // point to selectionRoot since no pruning
is done in this query
+ int actualRowCount = testSql(query);
+ assertEquals("An incorrect result was obtained while querying a
table with metadata cache files",
+ expectedRowCount, actualRowCount);
+ String numFilesPattern = "numFiles=" + expectedNumFiles;
+ String usedMetaPattern = "usedMetadataFile=true";
+ String cacheFileRootPattern = String.format("cacheFileRoot=%s/%s",
getDfsTestTmpSchemaLocation(), absolutePathsMetadata);
+ PlanTestBase.testPlanMatchingPatterns(query, new
String[]{numFilesPattern, usedMetaPattern, cacheFileRootPattern},
+ new String[] {"Filter"});
+ } finally {
+ test("drop table if exists %s", absolutePathsMetadata);
+ }
+ }
- int rowCount = testSql(String.format("select * from %s",
RELATIVE_PATHS_METADATA));
- assertEquals("An incorrect result was obtained while querying a
table with metadata cache files", 50, rowCount);
+ @Test
+ public void testSpacesInMetadataCachePath() throws Exception {
+ final String pathWithSpaces = "path with spaces";
+ try {
+ test("use dfs_test.tmp");
+ // creating multilevel table to store path with spaces in both
metadata files (METADATA and METADATA_DIRECTORIES)
+ test("create table `%s` as select * from cp.`tpch/nation.parquet`",
pathWithSpaces);
+ test("create table `%1$s/%1$s` as select * from
cp.`tpch/nation.parquet`", pathWithSpaces);
+ test("refresh table metadata `%s`", pathWithSpaces);
+ checkForMetadataFile(pathWithSpaces);
+ String query = String.format("select * from `%s`", pathWithSpaces);
+ int expectedRowCount = 50;
+ int expectedNumFiles = 1; // point to selectionRoot since no pruning
is done in this query
+ int actualRowCount = testSql(query);
+ assertEquals("An incorrect result was obtained while querying a
table with metadata cache files",
+ expectedRowCount, actualRowCount);
+ String numFilesPattern = "numFiles=" + expectedNumFiles;
+ String usedMetaPattern = "usedMetadataFile=true";
+ String cacheFileRootPattern = String.format("cacheFileRoot=%s/%s",
getDfsTestTmpSchemaLocation(), pathWithSpaces);
+ PlanTestBase.testPlanMatchingPatterns(query, new
String[]{numFilesPattern, usedMetaPattern, cacheFileRootPattern},
+ new String[] {"Filter"});
+ } finally {
+ test("drop table if exists `%s`", pathWithSpaces);
+ }
+ }
+
+ @Test
+ public void testFutureUnsupportedMetadataVersion() throws Exception {
+ final String unsupportedMetadataVersion =
"unsupported_metadata_version";
+ try {
+ test("use dfs_test.tmp");
+ test("create table `%s` as select * from cp.`tpch/nation.parquet`",
unsupportedMetadataVersion);
+ MetadataVersion lastVersion =
MetadataVersion.Constants.SUPPORTED_VERSIONS.last();
+ // Get the future version, which is absent in
MetadataVersions.SUPPORTED_VERSIONS set
+ String futureVersion = new MetadataVersion(lastVersion.getMajor() +
1, 0).toString();
+
copyMetaDataCacheToTempWithReplacements("parquet/unsupported_metadata/unsupported_metadata_version.requires_replace.txt",
+ unsupportedMetadataVersion, Metadata.METADATA_FILENAME,
futureVersion);
+ String query = String.format("select * from %s",
unsupportedMetadataVersion);
+ int expectedRowCount = 25;
+ int expectedNumFiles = 1;
+ int actualRowCount = testSql(query);
+ assertEquals("An incorrect result was obtained while querying a
table with metadata cache files",
+ expectedRowCount, actualRowCount);
+ String numFilesPattern = "numFiles=" + expectedNumFiles;
+ String usedMetaPattern = "usedMetadataFile=false"; // ignoring
metadata cache file
+ PlanTestBase.testPlanMatchingPatterns(query, new
String[]{numFilesPattern, usedMetaPattern},
+ new String[] {"Filter"});
+ } finally {
+ test("drop table if exists %s", unsupportedMetadataVersion);
+ }
+ }
+
+ @Test
+ public void testCorruptedMetadataFile() throws Exception {
+ final String corruptedMetadata = "corrupted_metadata";
+ try {
+ test("use dfs_test.tmp");
+ test("create table `%s` as select * from cp.`tpch/nation.parquet`",
corruptedMetadata);
+
copyMetaDataCacheToTempReplacingInternalPaths("parquet/unsupported_metadata/" +
+ "corrupted_metadata.requires_replace.txt", corruptedMetadata,
Metadata.METADATA_FILENAME);
+ String query = String.format("select * from %s", corruptedMetadata);
+ int expectedRowCount = 25;
+ int expectedNumFiles = 1;
+ int actualRowCount = testSql(query);
+ assertEquals("An incorrect result was obtained while querying a
table with metadata cache files",
+ expectedRowCount, actualRowCount);
+ String numFilesPattern = "numFiles=" + expectedNumFiles;
+ String usedMetaPattern = "usedMetadataFile=false"; // ignoring
metadata cache file
+ PlanTestBase.testPlanMatchingPatterns(query, new
String[]{numFilesPattern, usedMetaPattern},
+ new String[] {"Filter"});
+ } finally {
+ test("drop table if exists %s", corruptedMetadata);
+ }
+ }
+
+ @Test
+ public void testEmptyMetadataFile() throws Exception {
+ final String emptyMetadataFile = "empty_metadata_file";
+ try {
+ test("use dfs_test.tmp");
+ test("create table `%s` as select * from cp.`tpch/nation.parquet`",
emptyMetadataFile);
+
copyMetaDataCacheToTempReplacingInternalPaths("parquet/unsupported_metadata/" +
+ "empty_metadata_file.requires_replace.txt", emptyMetadataFile,
Metadata.METADATA_FILENAME);
+ String query = String.format("select * from %s", emptyMetadataFile);
+ int expectedRowCount = 25;
+ int expectedNumFiles = 1;
+ int actualRowCount = testSql(query);
+ assertEquals("An incorrect result was obtained while querying a
table with metadata cache files",
+ expectedRowCount, actualRowCount);
+ String numFilesPattern = "numFiles=" + expectedNumFiles;
+ String usedMetaPattern = "usedMetadataFile=false"; // ignoring
metadata cache file
+ PlanTestBase.testPlanMatchingPatterns(query, new
String[]{numFilesPattern, usedMetaPattern},
+ new String[] {"Filter"});
+ } finally {
+ test("drop table if exists %s", emptyMetadataFile);
+ }
+ }
+
+ @Test
+ public void testRootMetadataFileIsAbsent() throws Exception {
+ try {
--- End diff --
It seems that you use the same table for `testRootMetadataFileIsAbsent()`
and `testInnerMetadataFilesAreAbsent()` tests, to ensure that tests can be run
in parallel they should use different tables.
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