This is an automated email from the ASF dual-hosted git repository.
dmollitor pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/hive.git
The following commit(s) were added to refs/heads/master by this push:
new e56a775 HIVE-20447: Add JSON Output Format to beeline (Hunter Logan
via David Mollitor)
e56a775 is described below
commit e56a775c38732da5928c0f6555dc167b5a6d1fa7
Author: Hunter Logan <hunterlo...@outlook.com>
AuthorDate: Tue Jul 21 09:10:46 2020 -0400
HIVE-20447: Add JSON Output Format to beeline (Hunter Logan via David
Mollitor)
---
beeline/pom.xml | 4 +
.../src/java/org/apache/hive/beeline/BeeLine.java | 2 +
.../apache/hive/beeline/JSONFileOutputFormat.java | 62 ++++++++++
.../org/apache/hive/beeline/JSONOutputFormat.java | 126 +++++++++++++++++++++
beeline/src/main/resources/BeeLine.properties | 4 +-
.../hive/beeline/TestJSONFileOutputFormat.java | 106 +++++++++++++++++
.../apache/hive/beeline/TestJSONOutputFormat.java | 108 ++++++++++++++++++
7 files changed, 410 insertions(+), 2 deletions(-)
diff --git a/beeline/pom.xml b/beeline/pom.xml
index c8be6a6..46bfe98 100644
--- a/beeline/pom.xml
+++ b/beeline/pom.xml
@@ -70,6 +70,10 @@
<artifactId>commons-io</artifactId>
</dependency>
<dependency>
+ <groupId>com.fasterxml.jackson.core</groupId>
+ <artifactId>jackson-core</artifactId>
+ </dependency>
+ <dependency>
<groupId>jline</groupId>
<artifactId>jline</artifactId>
</dependency>
diff --git a/beeline/src/java/org/apache/hive/beeline/BeeLine.java
b/beeline/src/java/org/apache/hive/beeline/BeeLine.java
index cb14013..a86fe5c 100644
--- a/beeline/src/java/org/apache/hive/beeline/BeeLine.java
+++ b/beeline/src/java/org/apache/hive/beeline/BeeLine.java
@@ -186,6 +186,8 @@ public class BeeLine implements Closeable {
"tsv", new DeprecatedSeparatedValuesOutputFormat(this, '\t'),
"xmlattr", new XMLAttributeOutputFormat(this),
"xmlelements", new XMLElementOutputFormat(this),
+ "json", new JSONOutputFormat(this),
+ "jsonfile", new JSONFileOutputFormat(this),
});
private List<String> supportedLocalDriver =
diff --git a/beeline/src/java/org/apache/hive/beeline/JSONFileOutputFormat.java
b/beeline/src/java/org/apache/hive/beeline/JSONFileOutputFormat.java
new file mode 100644
index 0000000..b5f2a84
--- /dev/null
+++ b/beeline/src/java/org/apache/hive/beeline/JSONFileOutputFormat.java
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hive.beeline;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+import com.fasterxml.jackson.core.util.MinimalPrettyPrinter;
+
+/**
+ * OutputFormat for hive JSON file format.
+ * Removes "{ "resultset": [...] }" wrapping and prints one object per line.
+ * This output format matches the same format as a Hive table created with
JSONFILE file format:
+ * CREATE TABLE ... STORED AS JSONFILE;
+ * e.g.
+ * {"name":"Ritchie Tiger","age":40,"is_employed":true,"college":"RIT"}
+ * {"name":"Bobby Tables","age":8,"is_employed":false,"college":null}
+ * ...
+ *
+ * Note the lack of "," at the end of lines.
+ *
+ */
+public class JSONFileOutputFormat extends JSONOutputFormat {
+
+
+ JSONFileOutputFormat(BeeLine beeLine) {
+ super(beeLine);
+ this.generator.setPrettyPrinter(new MinimalPrettyPrinter("\n"));
+ }
+
+ @Override
+ void printHeader(Rows.Row header) {}
+
+ @Override
+ void printFooter(Rows.Row header) {
+ ByteArrayOutputStream buf = (ByteArrayOutputStream)
generator.getOutputTarget();
+ try {
+ generator.flush();
+ String out = buf.toString(StandardCharsets.UTF_8.name());
+ beeLine.output(out);
+ } catch(IOException e) {
+ beeLine.handleException(e);
+ }
+ buf.reset();
+ }
+}
diff --git a/beeline/src/java/org/apache/hive/beeline/JSONOutputFormat.java
b/beeline/src/java/org/apache/hive/beeline/JSONOutputFormat.java
new file mode 100644
index 0000000..ef0ddd3
--- /dev/null
+++ b/beeline/src/java/org/apache/hive/beeline/JSONOutputFormat.java
@@ -0,0 +1,126 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+/*
+ * This source file is based on code taken from SQLLine 1.9
+ * See SQLLine notice in LICENSE
+ */
+package org.apache.hive.beeline;
+
+import java.sql.SQLException;
+import java.sql.Types;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+import com.fasterxml.jackson.core.JsonEncoding;
+import com.fasterxml.jackson.core.JsonFactory;
+import com.fasterxml.jackson.core.JsonGenerator;
+
+/**
+ * OutputFormat for standard JSON.
+ *
{"resultset":[{"String":"a","Int":1,"Decimal":3.14,"Bool":true,"Null":null},{"String":"b","Int":2,"Decimal":2.718,"Bool":false,"Null":null}]}
+ *
+ */
+public class JSONOutputFormat extends AbstractOutputFormat {
+ protected final BeeLine beeLine;
+ protected JsonGenerator generator;
+
+ /**
+ * @param beeLine
+ */
+ JSONOutputFormat(BeeLine beeLine) {
+ this.beeLine = beeLine;
+ try {
+ this.generator = new JsonFactory().createGenerator(new
ByteArrayOutputStream(), JsonEncoding.UTF8);
+ } catch(IOException e) {
+ beeLine.handleException(e);
+ }
+ }
+
+ @Override
+ void printHeader(Rows.Row header) {
+ try {
+ generator.writeStartObject();
+ generator.writeArrayFieldStart("resultset");
+ } catch(IOException e) {
+ beeLine.handleException(e);
+ }
+ }
+
+ @Override
+ void printFooter(Rows.Row header) {
+ ByteArrayOutputStream buf = (ByteArrayOutputStream)
generator.getOutputTarget();
+ try {
+ generator.writeEndArray();
+ generator.writeEndObject();
+ generator.flush();
+ String out = buf.toString(StandardCharsets.UTF_8.name());
+ beeLine.output(out);
+ } catch(IOException e) {
+ beeLine.handleException(e);
+ }
+ buf.reset();
+ }
+
+ @Override
+ void printRow(Rows rows, Rows.Row header, Rows.Row row) {
+ String[] head = header.values;
+ String[] vals = row.values;
+
+ try {
+ generator.writeStartObject();
+ for (int i = 0; (i < head.length) && (i < vals.length); i++) {
+ generator.writeFieldName(head[i]);
+ switch(rows.rsMeta.getColumnType(i+1)) {
+ case Types.TINYINT:
+ case Types.SMALLINT:
+ case Types.INTEGER:
+ case Types.BIGINT:
+ case Types.REAL:
+ case Types.FLOAT:
+ case Types.DOUBLE:
+ case Types.DECIMAL:
+ case Types.NUMERIC:
+ case Types.ROWID:
+ generator.writeNumber(vals[i]);
+ break;
+ case Types.BINARY:
+ case Types.BLOB:
+ case Types.VARBINARY:
+ case Types.LONGVARBINARY:
+ generator.writeString(vals[i]);
+ break;
+ case Types.NULL:
+ generator.writeNull();
+ break;
+ case Types.BOOLEAN:
+ generator.writeBoolean(Boolean.parseBoolean(vals[i]));
+ break;
+ default:
+ generator.writeString(vals[i]);
+ }
+ }
+ generator.writeEndObject();
+ } catch (IOException e) {
+ beeLine.handleException(e);
+ } catch (SQLException e) {
+ beeLine.handleSQLException(e);
+ }
+ }
+}
diff --git a/beeline/src/main/resources/BeeLine.properties
b/beeline/src/main/resources/BeeLine.properties
index 1a70e85..f58cf10 100644
--- a/beeline/src/main/resources/BeeLine.properties
+++ b/beeline/src/main/resources/BeeLine.properties
@@ -68,7 +68,7 @@ help-procedures: List all the procedures
help-tables: List all the tables in the database
help-columns: List all the columns for the specified table
help-properties: Connect to the database specified in the properties file(s)
-help-outputformat: Set the output format for displaying results
(table,vertical,csv2,dsv,tsv2,xmlattrs,xmlelements, and deprecated formats(csv,
tsv))
+help-outputformat: Set the output format for displaying results
(table,vertical,csv2,dsv,tsv2,xmlattrs,xmlelements,json,jsonfile and deprecated
formats(csv, tsv))
help-delimiterForDSV: Set the delimiter for dsv output format
help-nullemptystring: Set to true to get historic behavior of printing null as
empty string. Default is false.
help-addlocaldriverjar: Add driver jar file in the beeline client side.
@@ -194,7 +194,7 @@ cmd-usage: Usage: java org.apache.hive.cli.beeline.BeeLine
\n \
\ --silent=[true/false] be more silent\n \
\ --report=[true/false] show number of rows and execution time
after query execution\n \
\ --autosave=[true/false] automatically save preferences\n \
-\ --outputformat=[table/vertical/csv2/tsv2/dsv/csv/tsv] format mode for
result display\n \
+\ --outputformat=[table/vertical/csv2/tsv2/dsv/csv/tsv/json/jsonfile] format
mode for result display\n \
\ Note that csv, and tsv are deprecated - use
csv2, tsv2 instead\n \
\ --incremental=[true/false] Defaults to false. When set to false, the
entire result set\n \
\ is fetched and buffered before being
displayed, yielding optimal\n \
diff --git
a/beeline/src/test/org/apache/hive/beeline/TestJSONFileOutputFormat.java
b/beeline/src/test/org/apache/hive/beeline/TestJSONFileOutputFormat.java
new file mode 100644
index 0000000..7cb85ab
--- /dev/null
+++ b/beeline/src/test/org/apache/hive/beeline/TestJSONFileOutputFormat.java
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hive.beeline;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.sql.Types;
+
+import org.junit.Test;
+import org.junit.Before;
+
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+public class TestJSONFileOutputFormat {
+ private final String[][] mockRowData = {
+ {"aaa","1","3.14","true","","SGVsbG8sIFdvcmxkIQ"},
+ {"bbb","2","2.718","false","Null","RWFzdGVyCgllZ2cu"}
+ };
+
+ public ResultSet mockResultSet;
+ public TestBufferedRows.MockRow mockRow;
+
+ @Test
+ public final void testPrint() throws SQLException {
+ BeeLine mockBeeline = spy(BeeLine.class);
+ ArgumentCaptor<String> captureOutput =
ArgumentCaptor.forClass(String.class);
+ Mockito.doNothing().when(mockBeeline).output(captureOutput.capture());
+ BufferedRows bfRows = new BufferedRows(mockBeeline, mockResultSet);
+ JSONFileOutputFormat instance = new JSONFileOutputFormat(mockBeeline);
+ instance.print(bfRows);
+ String expResult =
"{\"String\":\"aaa\",\"Int\":1,\"Decimal\":3.14,\"Bool\":true,\"Null\":null,\"Binary\":\"SGVsbG8sIFdvcmxkIQ\"}\n{\"String\":\"bbb\",\"Int\":2,\"Decimal\":2.718,\"Bool\":false,\"Null\":null,\"Binary\":\"RWFzdGVyCgllZ2cu\"}";
+ assertEquals(expResult, captureOutput.getValue());
+ }
+
+ @Before
+ public void setupMockData() throws SQLException {
+ mockResultSet = mock(ResultSet.class);
+ ResultSetMetaData mockResultSetMetaData = mock(ResultSetMetaData.class);
+ when(mockResultSetMetaData.getColumnCount()).thenReturn(6);
+ when(mockResultSetMetaData.getColumnLabel(1)).thenReturn("String");
+ when(mockResultSetMetaData.getColumnLabel(2)).thenReturn("Int");
+ when(mockResultSetMetaData.getColumnLabel(3)).thenReturn("Decimal");
+ when(mockResultSetMetaData.getColumnLabel(4)).thenReturn("Bool");
+ when(mockResultSetMetaData.getColumnLabel(5)).thenReturn("Null");
+ when(mockResultSetMetaData.getColumnLabel(6)).thenReturn("Binary");
+
+ when(mockResultSetMetaData.getColumnType(1)).thenReturn(Types.VARCHAR);
+ when(mockResultSetMetaData.getColumnType(2)).thenReturn(Types.INTEGER);
+ when(mockResultSetMetaData.getColumnType(3)).thenReturn(Types.DECIMAL);
+ when(mockResultSetMetaData.getColumnType(4)).thenReturn(Types.BOOLEAN);
+ when(mockResultSetMetaData.getColumnType(5)).thenReturn(Types.NULL);
+ when(mockResultSetMetaData.getColumnType(6)).thenReturn(Types.BINARY);
+
+ when(mockResultSet.getMetaData()).thenReturn(mockResultSetMetaData);
+
+ mockRow = new TestBufferedRows.MockRow();
+ when(mockResultSet.next()).thenAnswer(new Answer<Boolean>() {
+ private int mockRowDataIndex = 0;
+
+ @Override
+ public Boolean answer(final InvocationOnMock invocation) {
+ if (mockRowDataIndex < mockRowData.length) {
+ mockRow.setCurrentRowData(mockRowData[mockRowDataIndex]);
+ mockRowDataIndex++;
+ return true;
+ } else {
+ return false;
+ }
+ }
+ });
+
+ when(mockResultSet.getObject(anyInt())).thenAnswer(new Answer<String>() {
+ @Override
+ public String answer(final InvocationOnMock invocation) {
+ Object[] args = invocation.getArguments();
+ int index = ((Integer) args[0]);
+ return mockRow.getColumn(index);
+ }
+ });
+ }
+}
diff --git a/beeline/src/test/org/apache/hive/beeline/TestJSONOutputFormat.java
b/beeline/src/test/org/apache/hive/beeline/TestJSONOutputFormat.java
new file mode 100644
index 0000000..ac216d7
--- /dev/null
+++ b/beeline/src/test/org/apache/hive/beeline/TestJSONOutputFormat.java
@@ -0,0 +1,108 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.hive.beeline;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.sql.Types;
+
+import org.junit.Test;
+import org.junit.Before;
+
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+public class TestJSONOutputFormat {
+ private final String[][] mockRowData = {
+ {"aaa","1","3.14","true","","SGVsbG8sIFdvcmxkIQ"},
+ {"bbb","2","2.718","false","Null","RWFzdGVyCgllZ2cu"}
+ };
+
+ public ResultSet mockResultSet;
+ public TestBufferedRows.MockRow mockRow;
+
+ @Test
+ public final void testPrint() throws SQLException {
+ BeeLine mockBeeline = spy(BeeLine.class);
+ ArgumentCaptor<String> captureOutput =
ArgumentCaptor.forClass(String.class);
+ Mockito.doNothing().when(mockBeeline).output(captureOutput.capture());
+ //when(mockBeeline.getOpts().getNumberFormat()).thenReturn("default");
+
//when(mockBeeline.getOpts().getConvertBinaryArrayToString()).thenReturn(true);
+ BufferedRows bfRows = new BufferedRows(mockBeeline, mockResultSet);
+ JSONOutputFormat instance = new JSONOutputFormat(mockBeeline);
+ instance.print(bfRows);
+ String expResult =
"{\"resultset\":[{\"String\":\"aaa\",\"Int\":1,\"Decimal\":3.14,\"Bool\":true,\"Null\":null,\"Binary\":\"SGVsbG8sIFdvcmxkIQ\"},{\"String\":\"bbb\",\"Int\":2,\"Decimal\":2.718,\"Bool\":false,\"Null\":null,\"Binary\":\"RWFzdGVyCgllZ2cu\"}]}";
+ assertEquals(expResult, captureOutput.getValue());
+ }
+
+ @Before
+ public void setupMockData() throws SQLException {
+ mockResultSet = mock(ResultSet.class);
+ ResultSetMetaData mockResultSetMetaData = mock(ResultSetMetaData.class);
+ when(mockResultSetMetaData.getColumnCount()).thenReturn(6);
+ when(mockResultSetMetaData.getColumnLabel(1)).thenReturn("String");
+ when(mockResultSetMetaData.getColumnLabel(2)).thenReturn("Int");
+ when(mockResultSetMetaData.getColumnLabel(3)).thenReturn("Decimal");
+ when(mockResultSetMetaData.getColumnLabel(4)).thenReturn("Bool");
+ when(mockResultSetMetaData.getColumnLabel(5)).thenReturn("Null");
+ when(mockResultSetMetaData.getColumnLabel(6)).thenReturn("Binary");
+
+ when(mockResultSetMetaData.getColumnType(1)).thenReturn(Types.VARCHAR);
+ when(mockResultSetMetaData.getColumnType(2)).thenReturn(Types.INTEGER);
+ when(mockResultSetMetaData.getColumnType(3)).thenReturn(Types.DECIMAL);
+ when(mockResultSetMetaData.getColumnType(4)).thenReturn(Types.BOOLEAN);
+ when(mockResultSetMetaData.getColumnType(5)).thenReturn(Types.NULL);
+ when(mockResultSetMetaData.getColumnType(6)).thenReturn(Types.BINARY);
+
+ when(mockResultSet.getMetaData()).thenReturn(mockResultSetMetaData);
+
+ mockRow = new TestBufferedRows.MockRow();
+ when(mockResultSet.next()).thenAnswer(new Answer<Boolean>() {
+ private int mockRowDataIndex = 0;
+
+ @Override
+ public Boolean answer(final InvocationOnMock invocation) {
+ if (mockRowDataIndex < mockRowData.length) {
+ mockRow.setCurrentRowData(mockRowData[mockRowDataIndex]);
+ mockRowDataIndex++;
+ return true;
+ } else {
+ return false;
+ }
+ }
+ });
+
+ when(mockResultSet.getObject(anyInt())).thenAnswer(new Answer<String>() {
+ @Override
+ public String answer(final InvocationOnMock invocation) {
+ Object[] args = invocation.getArguments();
+ int index = ((Integer) args[0]);
+ return mockRow.getColumn(index);
+ }
+ });
+ }
+}
