@Override
public void createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata) {
checkArgument(!isNullOrEmpty(tableMetadata.getOwner()), "Table owner is null or empty");
SchemaTableName schemaTableName = tableMetadata.getTable();
String schemaName = schemaTableName.getSchemaName();
String tableName = schemaTableName.getTableName();
ImmutableList.Builder<String> columnNames = ImmutableList.builder();
ImmutableList.Builder<Type> columnTypes = ImmutableList.builder();
buildColumnInfo(tableMetadata, columnNames, columnTypes);
ImmutableList.Builder<FieldSchema> partitionKeys = ImmutableList.builder();
ImmutableList.Builder<FieldSchema> columns = ImmutableList.builder();
List<String> names = columnNames.build();
List<String> typeNames =
columnTypes
.build()
.stream()
.map(HiveType::toHiveType)
.map(HiveType::getHiveTypeName)
.collect(toList());
for (int i = 0; i < names.size(); i++) {
if (tableMetadata.getColumns().get(i).isPartitionKey()) {
partitionKeys.add(new FieldSchema(names.get(i), typeNames.get(i), null));
} else {
columns.add(new FieldSchema(names.get(i), typeNames.get(i), null));
}
}
Path targetPath = getTargetPath(schemaName, tableName, schemaTableName);
HiveStorageFormat hiveStorageFormat = getHiveStorageFormat(session, this.hiveStorageFormat);
SerDeInfo serdeInfo = new SerDeInfo();
serdeInfo.setName(tableName);
serdeInfo.setSerializationLib(hiveStorageFormat.getSerDe());
StorageDescriptor sd = new StorageDescriptor();
sd.setLocation(targetPath.toString());
sd.setCols(columns.build());
sd.setSerdeInfo(serdeInfo);
sd.setInputFormat(hiveStorageFormat.getInputFormat());
sd.setOutputFormat(hiveStorageFormat.getOutputFormat());
Table table = new Table();
table.setDbName(schemaName);
table.setTableName(tableName);
table.setOwner(tableMetadata.getOwner());
table.setTableType(TableType.MANAGED_TABLE.toString());
String tableComment = "Created by Presto";
table.setParameters(ImmutableMap.of("comment", tableComment));
table.setPartitionKeys(partitionKeys.build());
table.setSd(sd);
metastore.createTable(table);
}
public static org.apache.hadoop.hive.metastore.api.Table toMetastoreApiTable(
Table table, PrincipalPrivilegeSet privileges) {
org.apache.hadoop.hive.metastore.api.Table result =
new org.apache.hadoop.hive.metastore.api.Table();
result.setDbName(table.getDatabaseName());
result.setTableName(table.getTableName());
result.setOwner(table.getOwner());
result.setTableType(table.getTableType());
result.setParameters(table.getParameters());
result.setPartitionKeys(
table
.getPartitionColumns()
.stream()
.map(MetastoreUtil::toMetastoreApiFieldSchema)
.collect(toList()));
result.setSd(
makeStorageDescriptor(table.getTableName(), table.getDataColumns(), table.getStorage()));
result.setPrivileges(privileges);
result.setViewOriginalText(table.getViewOriginalText().orElse(null));
result.setViewExpandedText(table.getViewExpandedText().orElse(null));
return result;
}
@Override
public void createView(
ConnectorSession session, SchemaTableName viewName, String viewData, boolean replace) {
if (replace) {
try {
dropView(session, viewName);
} catch (ViewNotFoundException ignored) {
}
}
Map<String, String> properties =
ImmutableMap.<String, String>builder()
.put("comment", "Presto View")
.put(PRESTO_VIEW_FLAG, "true")
.build();
FieldSchema dummyColumn = new FieldSchema("dummy", STRING_TYPE_NAME, null);
StorageDescriptor sd = new StorageDescriptor();
sd.setCols(ImmutableList.of(dummyColumn));
sd.setSerdeInfo(new SerDeInfo());
Table table = new Table();
table.setDbName(viewName.getSchemaName());
table.setTableName(viewName.getTableName());
table.setOwner(session.getUser());
table.setTableType(TableType.VIRTUAL_VIEW.name());
table.setParameters(properties);
table.setViewOriginalText(encodeViewData(viewData));
table.setViewExpandedText("/* Presto View */");
table.setSd(sd);
try {
metastore.createTable(table);
} catch (TableAlreadyExistsException e) {
throw new ViewAlreadyExistsException(e.getTableName());
}
}
public void setFieldValue(_Fields field, Object value) {
switch (field) {
case TABLE_NAME:
if (value == null) {
unsetTableName();
} else {
setTableName((String) value);
}
break;
case DB_NAME:
if (value == null) {
unsetDbName();
} else {
setDbName((String) value);
}
break;
case OWNER:
if (value == null) {
unsetOwner();
} else {
setOwner((String) value);
}
break;
case CREATE_TIME:
if (value == null) {
unsetCreateTime();
} else {
setCreateTime((Integer) value);
}
break;
case LAST_ACCESS_TIME:
if (value == null) {
unsetLastAccessTime();
} else {
setLastAccessTime((Integer) value);
}
break;
case RETENTION:
if (value == null) {
unsetRetention();
} else {
setRetention((Integer) value);
}
break;
case SD:
if (value == null) {
unsetSd();
} else {
setSd((StorageDescriptor) value);
}
break;
case PARTITION_KEYS:
if (value == null) {
unsetPartitionKeys();
} else {
setPartitionKeys((List<FieldSchema>) value);
}
break;
case PARAMETERS:
if (value == null) {
unsetParameters();
} else {
setParameters((Map<String, String>) value);
}
break;
case VIEW_ORIGINAL_TEXT:
if (value == null) {
unsetViewOriginalText();
} else {
setViewOriginalText((String) value);
}
break;
case VIEW_EXPANDED_TEXT:
if (value == null) {
unsetViewExpandedText();
} else {
setViewExpandedText((String) value);
}
break;
case TABLE_TYPE:
if (value == null) {
unsetTableType();
} else {
setTableType((String) value);
}
break;
case PRIVILEGES:
if (value == null) {
unsetPrivileges();
} else {
setPrivileges((PrincipalPrivilegeSet) value);
}
break;
}
}
@Override
public void commitCreateTable(
ConnectorOutputTableHandle tableHandle, Collection<Slice> fragments) {
HiveOutputTableHandle handle =
checkType(tableHandle, HiveOutputTableHandle.class, "tableHandle");
// verify no one raced us to create the target directory
Path targetPath = new Path(handle.getTargetPath());
// rename if using a temporary directory
if (handle.hasTemporaryPath()) {
if (pathExists(targetPath)) {
SchemaTableName table = new SchemaTableName(handle.getSchemaName(), handle.getTableName());
throw new PrestoException(
HIVE_PATH_ALREADY_EXISTS,
format(
"Unable to commit creation of table '%s': target directory already exists: %s",
table, targetPath));
}
// rename the temporary directory to the target
rename(new Path(handle.getTemporaryPath()), targetPath);
}
// create the table in the metastore
List<String> types =
handle
.getColumnTypes()
.stream()
.map(HiveType::toHiveType)
.map(HiveType::getHiveTypeName)
.collect(toList());
boolean sampled = false;
ImmutableList.Builder<FieldSchema> columns = ImmutableList.builder();
for (int i = 0; i < handle.getColumnNames().size(); i++) {
String name = handle.getColumnNames().get(i);
String type = types.get(i);
if (name.equals(SAMPLE_WEIGHT_COLUMN_NAME)) {
columns.add(new FieldSchema(name, type, "Presto sample weight column"));
sampled = true;
} else {
columns.add(new FieldSchema(name, type, null));
}
}
HiveStorageFormat hiveStorageFormat = handle.getHiveStorageFormat();
SerDeInfo serdeInfo = new SerDeInfo();
serdeInfo.setName(handle.getTableName());
serdeInfo.setSerializationLib(hiveStorageFormat.getSerDe());
serdeInfo.setParameters(ImmutableMap.<String, String>of());
StorageDescriptor sd = new StorageDescriptor();
sd.setLocation(targetPath.toString());
sd.setCols(columns.build());
sd.setSerdeInfo(serdeInfo);
sd.setInputFormat(hiveStorageFormat.getInputFormat());
sd.setOutputFormat(hiveStorageFormat.getOutputFormat());
sd.setParameters(ImmutableMap.<String, String>of());
Table table = new Table();
table.setDbName(handle.getSchemaName());
table.setTableName(handle.getTableName());
table.setOwner(handle.getTableOwner());
table.setTableType(TableType.MANAGED_TABLE.toString());
String tableComment = "Created by Presto";
if (sampled) {
tableComment =
"Sampled table created by Presto. Only query this table from Hive if you understand how Presto implements sampling.";
}
table.setParameters(ImmutableMap.of("comment", tableComment));
table.setPartitionKeys(ImmutableList.<FieldSchema>of());
table.setSd(sd);
metastore.createTable(table);
}
@Test
public void testHiveLocalMetaStore() {
// Create a table and display it back
try {
HiveMetaStoreClient hiveClient = new HiveMetaStoreClient(hiveLocalMetaStore.getHiveConf());
hiveClient.dropTable(
propertyParser.getProperty(ConfigVars.HIVE_TEST_DATABASE_NAME_KEY),
propertyParser.getProperty(ConfigVars.HIVE_TEST_TABLE_NAME_KEY),
true,
true);
// Define the cols
List<FieldSchema> cols = new ArrayList<FieldSchema>();
cols.add(new FieldSchema("id", serdeConstants.INT_TYPE_NAME, ""));
cols.add(new FieldSchema("msg", serdeConstants.STRING_TYPE_NAME, ""));
// Values for the StorageDescriptor
String location =
new File(propertyParser.getProperty(ConfigVars.HIVE_TEST_TABLE_NAME_KEY))
.getAbsolutePath();
String inputFormat = "org.apache.hadoop.hive.ql.io.orc.OrcInputFormat";
String outputFormat = "org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat";
int numBuckets = 16;
Map<String, String> orcProps = new HashMap<String, String>();
orcProps.put("orc.compress", "NONE");
SerDeInfo serDeInfo =
new SerDeInfo(OrcSerde.class.getSimpleName(), OrcSerde.class.getName(), orcProps);
List<String> bucketCols = new ArrayList<String>();
bucketCols.add("id");
// Build the StorageDescriptor
StorageDescriptor sd = new StorageDescriptor();
sd.setCols(cols);
sd.setLocation(location);
sd.setInputFormat(inputFormat);
sd.setOutputFormat(outputFormat);
sd.setNumBuckets(numBuckets);
sd.setSerdeInfo(serDeInfo);
sd.setBucketCols(bucketCols);
sd.setSortCols(new ArrayList<Order>());
sd.setParameters(new HashMap<String, String>());
// Define the table
Table tbl = new Table();
tbl.setDbName(propertyParser.getProperty(ConfigVars.HIVE_TEST_DATABASE_NAME_KEY));
tbl.setTableName(propertyParser.getProperty(ConfigVars.HIVE_TEST_TABLE_NAME_KEY));
tbl.setSd(sd);
tbl.setOwner(System.getProperty("user.name"));
tbl.setParameters(new HashMap<String, String>());
tbl.setViewOriginalText("");
tbl.setViewExpandedText("");
tbl.setTableType(TableType.EXTERNAL_TABLE.name());
List<FieldSchema> partitions = new ArrayList<FieldSchema>();
partitions.add(new FieldSchema("dt", serdeConstants.STRING_TYPE_NAME, ""));
tbl.setPartitionKeys(partitions);
// Create the table
hiveClient.createTable(tbl);
// Describe the table
Table createdTable =
hiveClient.getTable(
propertyParser.getProperty(ConfigVars.HIVE_TEST_DATABASE_NAME_KEY),
propertyParser.getProperty(ConfigVars.HIVE_TEST_TABLE_NAME_KEY));
LOG.info("HIVE: Created Table: {}", createdTable.toString());
assertThat(
createdTable.toString(),
containsString(propertyParser.getProperty(ConfigVars.HIVE_TEST_TABLE_NAME_KEY)));
} catch (MetaException e) {
e.printStackTrace();
} catch (TException e) {
e.printStackTrace();
}
}