Skip to content

T
TDengine

慢慢CG / TDengine
与 Fork 源项目一致

Fork自 taosdata / TDengine

通知 1
Star 0
Fork 0
T
TDengine
提交 179a4f55 编写于 作者: Z zyyang
浏览文件
操作

[TD-3142]<fix>: fix JDBC-RESTful back ResultSet with null Type

上级 1734b1d1
隐藏空白更改
内联 并排
Showing with 237 addition and 146 deletion
src/connector/jdbc/src/main/java/com/taosdata/jdbc/DatabaseMetaDataResultSet.java
浏览文件 @ 179a4f55
......@@ -308,7 +308,7 @@ public class DatabaseMetaDataResultSet implements ResultSet {
return colMetaData.getColIndex() + 1;
}
}
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_INVALID_VARIABLE);
}
@Override
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBConstants.java
浏览文件 @ 179a4f55
......@@ -14,16 +14,13 @@
*****************************************************************************/
package com.taosdata.jdbc;
import java.sql.SQLException;
import java.sql.Types;
import java.util.HashMap;
import java.util.Map;
public abstract class TSDBConstants {
public static final String STATEMENT_CLOSED = "statement is closed";
public static final String UNSUPPORTED_METHOD_EXCEPTION_MSG = "this operation is NOT supported currently!";
public static final String INVALID_VARIABLES = "invalid variables";
public static final String RESULT_SET_IS_CLOSED = "resultSet is closed";
public static final String DEFAULT_PORT = "6200";
public static Map<Integer, String> DATATYPE_MAP = null;
......@@ -77,8 +74,65 @@ public abstract class TSDBConstants {
return WrapErrMsg("unkown error!");
}
public static int taosType2JdbcType(int taosType) throws SQLException {
switch (taosType) {
case TSDBConstants.TSDB_DATA_TYPE_NULL:
return Types.NULL;
case TSDBConstants.TSDB_DATA_TYPE_BOOL:
return Types.BOOLEAN;
case TSDBConstants.TSDB_DATA_TYPE_TINYINT:
return Types.TINYINT;
case TSDBConstants.TSDB_DATA_TYPE_SMALLINT:
return Types.SMALLINT;
case TSDBConstants.TSDB_DATA_TYPE_INT:
return Types.INTEGER;
case TSDBConstants.TSDB_DATA_TYPE_BIGINT:
return Types.BIGINT;
case TSDBConstants.TSDB_DATA_TYPE_FLOAT:
return Types.FLOAT;
case TSDBConstants.TSDB_DATA_TYPE_DOUBLE:
return Types.DOUBLE;
case TSDBConstants.TSDB_DATA_TYPE_BINARY:
return Types.BINARY;
case TSDBConstants.TSDB_DATA_TYPE_TIMESTAMP:
return Types.TIMESTAMP;
case TSDBConstants.TSDB_DATA_TYPE_NCHAR:
return Types.NCHAR;
}
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNKNOWN_SQL_TYPE_IN_TDENGINE);
}
public static int jdbcType2TaosType(int jdbcType) throws SQLException {
switch (jdbcType){
case Types.NULL:
return TSDBConstants.TSDB_DATA_TYPE_NULL;
case Types.BOOLEAN:
return TSDBConstants.TSDB_DATA_TYPE_BOOL;
case Types.TINYINT:
return TSDBConstants.TSDB_DATA_TYPE_TINYINT;
case Types.SMALLINT:
return TSDBConstants.TSDB_DATA_TYPE_SMALLINT;
case Types.INTEGER:
return TSDBConstants.TSDB_DATA_TYPE_INT;
case Types.BIGINT:
return TSDBConstants.TSDB_DATA_TYPE_BIGINT;
case Types.FLOAT:
return TSDBConstants.TSDB_DATA_TYPE_FLOAT;
case Types.DOUBLE:
return TSDBConstants.TSDB_DATA_TYPE_DOUBLE;
case Types.BINARY:
return TSDBConstants.TSDB_DATA_TYPE_BINARY;
case Types.TIMESTAMP:
return TSDBConstants.TSDB_DATA_TYPE_TIMESTAMP;
case Types.NCHAR:
return TSDBConstants.TSDB_DATA_TYPE_NCHAR;
}
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNKNOWN_SQL_TYPE_IN_TDENGINE);
}
static {
DATATYPE_MAP = new HashMap<>();
DATATYPE_MAP.put(0, "NULL");
DATATYPE_MAP.put(1, "BOOL");
DATATYPE_MAP.put(2, "TINYINT");
DATATYPE_MAP.put(3, "SMALLINT");
......@@ -90,4 +144,8 @@ public abstract class TSDBConstants {
DATATYPE_MAP.put(9, "TIMESTAMP");
DATATYPE_MAP.put(10, "NCHAR");
}
public static String jdbcType2TaosTypeName(int type) throws SQLException {
return DATATYPE_MAP.get(jdbcType2TaosType(type));
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBErrorNumbers.java
浏览文件 @ 179a4f55
......@@ -18,6 +18,7 @@ public class TSDBErrorNumbers {
public static final int ERROR_INVALID_FOR_EXECUTE = 0x230c; //not a valid sql for execute: (SQL)
public static final int ERROR_PARAMETER_INDEX_OUT_RANGE = 0x230d; // parameter index out of range
public static final int ERROR_SQLCLIENT_EXCEPTION_ON_CONNECTION_CLOSED = 0x230e; // connection already closed
public static final int ERROR_UNKNOWN_SQL_TYPE_IN_TDENGINE = 0x230f; //unknown sql type in tdengine
public static final int ERROR_UNKNOWN = 0x2350; //unknown error
......@@ -49,6 +50,7 @@ public class TSDBErrorNumbers {
errorNumbers.add(ERROR_INVALID_FOR_EXECUTE);
errorNumbers.add(ERROR_PARAMETER_INDEX_OUT_RANGE);
errorNumbers.add(ERROR_SQLCLIENT_EXCEPTION_ON_CONNECTION_CLOSED);
errorNumbers.add(ERROR_UNKNOWN_SQL_TYPE_IN_TDENGINE);
/*****************************************************/
errorNumbers.add(ERROR_SUBSCRIBE_FAILED);
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBResultSetMetaData.java
浏览文件 @ 179a4f55
......@@ -20,7 +20,7 @@ import java.sql.Timestamp;
import java.sql.Types;
import java.util.List;
public class TSDBResultSetMetaData implements ResultSetMetaData {
public class TSDBResultSetMetaData extends WrapperImpl implements ResultSetMetaData {
List<ColumnMetaData> colMetaDataList = null;
......@@ -28,14 +28,6 @@ public class TSDBResultSetMetaData implements ResultSetMetaData {
this.colMetaDataList = metaDataList;
}
public <T> T unwrap(Class<T> iface) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
}
public boolean isWrapperFor(Class<?> iface) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
}
public int getColumnCount() throws SQLException {
return colMetaDataList.size();
}
......@@ -94,7 +86,7 @@ public class TSDBResultSetMetaData implements ResultSetMetaData {
}
public String getSchemaName(int column) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
}
public int getPrecision(int column) throws SQLException {
......@@ -125,18 +117,18 @@ public class TSDBResultSetMetaData implements ResultSetMetaData {
}
public String getTableName(int column) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
}
public String getCatalogName(int column) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
}
public int getColumnType(int column) throws SQLException {
ColumnMetaData meta = this.colMetaDataList.get(column - 1);
switch (meta.getColType()) {
case TSDBConstants.TSDB_DATA_TYPE_BOOL:
return java.sql.Types.BIT;
return Types.BOOLEAN;
case TSDBConstants.TSDB_DATA_TYPE_TINYINT:
return java.sql.Types.TINYINT;
case TSDBConstants.TSDB_DATA_TYPE_SMALLINT:
......@@ -150,13 +142,13 @@ public class TSDBResultSetMetaData implements ResultSetMetaData {
case TSDBConstants.TSDB_DATA_TYPE_DOUBLE:
return java.sql.Types.DOUBLE;
case TSDBConstants.TSDB_DATA_TYPE_BINARY:
return java.sql.Types.CHAR;
return Types.BINARY;
case TSDBConstants.TSDB_DATA_TYPE_TIMESTAMP:
return java.sql.Types.BIGINT;
return java.sql.Types.TIMESTAMP;
case TSDBConstants.TSDB_DATA_TYPE_NCHAR:
return java.sql.Types.CHAR;
return Types.NCHAR;
}
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_INVALID_VARIABLE);
}
public String getColumnTypeName(int column) throws SQLException {
......@@ -173,7 +165,7 @@ public class TSDBResultSetMetaData implements ResultSetMetaData {
}
public boolean isDefinitelyWritable(int column) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
}
public String getColumnClassName(int column) throws SQLException {
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBResultSetWrapper.java
浏览文件 @ 179a4f55
......@@ -1153,11 +1153,11 @@ public class TSDBResultSetWrapper implements ResultSet {
}
public <T> T getObject(int columnIndex, Class<T> type) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
}
public <T> T getObject(String columnLabel, Class<T> type) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
}
@Override
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSet.java
浏览文件 @ 179a4f55
......@@ -18,10 +18,10 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
private final String database;
private final Statement statement;
// data
private ArrayList<ArrayList<Object>> resultSet = new ArrayList<>();
private ArrayList<ArrayList<Object>> resultSet;
// meta
private ArrayList<String> columnNames = new ArrayList<>();
private ArrayList<Field> columns = new ArrayList<>();
private ArrayList<String> columnNames;
private ArrayList<Field> columns;
private RestfulResultSetMetaData metaData;
/**
......@@ -29,11 +29,36 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
*
* @param resultJson: 包含data信息的结果集，有sql返回的结果集
***/
public RestfulResultSet(String database, Statement statement, JSONObject resultJson) {
public RestfulResultSet(String database, Statement statement, JSONObject resultJson) throws SQLException {
this.database = database;
this.statement = statement;
// column metadata
JSONArray columnMeta = resultJson.getJSONArray("column_meta");
columnNames = new ArrayList<>();
columns = new ArrayList<>();
for (int colIndex = 0; colIndex < columnMeta.size(); colIndex++) {
JSONArray col = columnMeta.getJSONArray(colIndex);
String col_name = col.getString(0);
int col_type = TSDBConstants.taosType2JdbcType(col.getInteger(1));
int col_length = col.getInteger(2);
columnNames.add(col_name);
columns.add(new Field(col_name, col_type, col_length, ""));
}
this.metaData = new RestfulResultSetMetaData(this.database, columns, this);
// row data
JSONArray data = resultJson.getJSONArray("data");
resultSet = new ArrayList<>();
for (int rowIndex = 0; rowIndex < data.size(); rowIndex++) {
ArrayList row = new ArrayList();
JSONArray jsonRow = data.getJSONArray(rowIndex);
for (int colIndex = 0; colIndex < jsonRow.size(); colIndex++) {
row.add(parseColumnData(jsonRow, colIndex, columns.get(colIndex).type));
}
resultSet.add(row);
}
/*
int columnIndex = 0;
for (; columnIndex < data.size(); columnIndex++) {
ArrayList oneRow = new ArrayList<>();
......@@ -52,50 +77,77 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
columns.add(new Field(name, "", 0, ""));
}
this.metaData = new RestfulResultSetMetaData(this.database, columns, this);
}
/**
* 由多个resultSet的JSON构造结果集
*
* @param resultJson: 包含data信息的结果集，有sql返回的结果集
* @param fieldJson: 包含多个（最多2个）meta信息的结果集，有describe xxx
**/
public RestfulResultSet(String database, Statement statement, JSONObject resultJson, List<JSONObject> fieldJson) {
this(database, statement, resultJson);
ArrayList<Field> newColumns = new ArrayList<>();
for (Field column : columns) {
Field field = findField(column.name, fieldJson);
if (field != null) {
newColumns.add(field);
} else {
newColumns.add(column);
}
}
this.columns = newColumns;
this.metaData = new RestfulResultSetMetaData(this.database, this.columns, this);
}
public Field findField(String columnName, List<JSONObject> fieldJsonList) {
for (JSONObject fieldJSON : fieldJsonList) {
JSONArray fieldDataJson = fieldJSON.getJSONArray("data");
for (int i = 0; i < fieldDataJson.size(); i++) {
JSONArray field = fieldDataJson.getJSONArray(i);
if (columnName.equalsIgnoreCase(field.getString(0))) {
return new Field(field.getString(0), field.getString(1), field.getInteger(2), field.getString(3));
}
}
*/
}
private Object parseColumnData(JSONArray row, int colIndex, int sqlType) {
switch (sqlType) {
case Types.NULL:
return null;
case Types.BOOLEAN:
return row.getBoolean(colIndex);
case Types.TINYINT:
case Types.SMALLINT:
return row.getShort(colIndex);
case Types.INTEGER:
return row.getInteger(colIndex);
case Types.BIGINT:
return row.getBigInteger(colIndex);
case Types.FLOAT:
return row.getFloat(colIndex);
case Types.DOUBLE:
return row.getDouble(colIndex);
case Types.TIMESTAMP:
return row.getTimestamp(colIndex);
case Types.BINARY:
case Types.NCHAR:
default:
return row.getString(colIndex);
}
return null;
}
// /**
// * 由多个resultSet的JSON构造结果集
// *
// * @param resultJson: 包含data信息的结果集，有sql返回的结果集
// * @param fieldJson: 包含多个（最多2个）meta信息的结果集，有describe xxx
// **/
// public RestfulResultSet(String database, Statement statement, JSONObject resultJson, List<JSONObject> fieldJson) throws SQLException {
// this(database, statement, resultJson);
// ArrayList<Field> newColumns = new ArrayList<>();
//
// for (Field column : columns) {
// Field field = findField(column.name, fieldJson);
// if (field != null) {
// newColumns.add(field);
// } else {
// newColumns.add(column);
// }
// }
// this.columns = newColumns;
// this.metaData = new RestfulResultSetMetaData(this.database, this.columns, this);
// }
// public Field findField(String columnName, List<JSONObject> fieldJsonList) {
// for (JSONObject fieldJSON : fieldJsonList) {
// JSONArray fieldDataJson = fieldJSON.getJSONArray("data");
// for (int i = 0; i < fieldDataJson.size(); i++) {
// JSONArray field = fieldDataJson.getJSONArray(i);
// if (columnName.equalsIgnoreCase(field.getString(0))) {
// return new Field(field.getString(0), field.getString(1), field.getInteger(2), field.getString(3));
// }
// }
// }
// return null;
// }
public class Field {
String name;
String type;
int type;
int length;
String note;
public Field(String name, String type, int length, String note) {
public Field(String name, int type, int length, String note) {
this.name = name;
this.type = type;
this.length = length;
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSetMetaData.java
浏览文件 @ 179a4f55
......@@ -5,6 +5,7 @@ import com.taosdata.jdbc.TSDBConstants;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.ArrayList;
public class RestfulResultSetMetaData implements ResultSetMetaData {
......@@ -53,14 +54,14 @@ public class RestfulResultSetMetaData implements ResultSetMetaData {
@Override
public boolean isSigned(int column) throws SQLException {
String type = this.fields.get(column - 1).type.toUpperCase();
int type = this.fields.get(column - 1).type;
switch (type) {
case "TINYINT":
case "SMALLINT":
case "INT":
case "BIGINT":
case "FLOAT":
case "DOUBLE":
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
case Types.BIGINT:
case Types.FLOAT:
case Types.DOUBLE:
return true;
default:
return false;
......@@ -89,14 +90,14 @@ public class RestfulResultSetMetaData implements ResultSetMetaData {
@Override
public int getPrecision(int column) throws SQLException {
String type = this.fields.get(column - 1).type.toUpperCase();
int type = this.fields.get(column - 1).type;
switch (type) {
case "FLOAT":
case Types.FLOAT:
return 5;
case "DOUBLE":
case Types.DOUBLE:
return 9;
case "BINARY":
case "NCHAR":
case Types.BINARY:
case Types.NCHAR:
return this.fields.get(column - 1).length;
default:
return 0;
......@@ -105,11 +106,11 @@ public class RestfulResultSetMetaData implements ResultSetMetaData {
@Override
public int getScale(int column) throws SQLException {
String type = this.fields.get(column - 1).type.toUpperCase();
int type = this.fields.get(column - 1).type;
switch (type) {
case "FLOAT":
case Types.FLOAT:
return 5;
case "DOUBLE":
case Types.DOUBLE:
return 9;
default:
return 0;
......@@ -128,36 +129,13 @@ public class RestfulResultSetMetaData implements ResultSetMetaData {
@Override
public int getColumnType(int column) throws SQLException {
String type = this.fields.get(column - 1).type.toUpperCase();
switch (type) {
case "BOOL":
return java.sql.Types.BOOLEAN;
case "TINYINT":
return java.sql.Types.TINYINT;
case "SMALLINT":
return java.sql.Types.SMALLINT;
case "INT":
return java.sql.Types.INTEGER;
case "BIGINT":
return java.sql.Types.BIGINT;
case "FLOAT":
return java.sql.Types.FLOAT;
case "DOUBLE":
return java.sql.Types.DOUBLE;
case "BINARY":
return java.sql.Types.BINARY;
case "TIMESTAMP":
return java.sql.Types.TIMESTAMP;
case "NCHAR":
return java.sql.Types.NCHAR;
}
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
return this.fields.get(column - 1).type;
}
@Override
public String getColumnTypeName(int column) throws SQLException {
String type = fields.get(column - 1).type;
return type.toUpperCase();
int type = fields.get(column - 1).type;
return TSDBConstants.jdbcType2TaosTypeName(type);
}
@Override
......@@ -177,26 +155,26 @@ public class RestfulResultSetMetaData implements ResultSetMetaData {
@Override
public String getColumnClassName(int column) throws SQLException {
String type = this.fields.get(column - 1).type;
int type = this.fields.get(column - 1).type;
String columnClassName = "";
switch (type) {
case "BOOL":
case Types.BOOLEAN:
return Boolean.class.getName();
case "TINYINT":
case "SMALLINT":
case Types.TINYINT:
case Types.SMALLINT:
return Short.class.getName();
case "INT":
case Types.INTEGER:
return Integer.class.getName();
case "BIGINT":
case Types.BIGINT:
return Long.class.getName();
case "FLOAT":
case Types.FLOAT:
return Float.class.getName();
case "DOUBLE":
case Types.DOUBLE:
return Double.class.getName();
case "TIMESTAMP":
case Types.TIMESTAMP:
return Timestamp.class.getName();
case "BINARY":
case "NCHAR":
case Types.BINARY:
case Types.NCHAR:
return String.class.getName();
}
return columnClassName;
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulStatement.java
浏览文件 @ 179a4f55
......@@ -151,22 +151,21 @@ public class RestfulStatement extends AbstractStatement {
throw new SQLException(TSDBConstants.WrapErrMsg("SQL execution error: " + resultJson.getString("desc") + "\n" + "error code: " + resultJson.getString("code")));
}
// parse table name from sql
String[] tableIdentifiers = parseTableIdentifier(sql);
if (tableIdentifiers != null) {
List<JSONObject> fieldJsonList = new ArrayList<>();
for (String tableIdentifier : tableIdentifiers) {
// field meta
String fields = HttpClientPoolUtil.execute(url, "DESCRIBE " + tableIdentifier);
JSONObject fieldJson = JSON.parseObject(fields);
if (fieldJson.getString("status").equals("error")) {
throw new SQLException(TSDBConstants.WrapErrMsg("SQL execution error: " + fieldJson.getString("desc") + "\n" + "error code: " + fieldJson.getString("code")));
}
fieldJsonList.add(fieldJson);
}
this.resultSet = new RestfulResultSet(database, this, resultJson, fieldJsonList);
} else {
this.resultSet = new RestfulResultSet(database, this, resultJson);
}
// String[] tableIdentifiers = parseTableIdentifier(sql);
// if (tableIdentifiers != null) {
// List<JSONObject> fieldJsonList = new ArrayList<>();
// for (String tableIdentifier : tableIdentifiers) {
// String fields = HttpClientPoolUtil.execute(url, "DESCRIBE " + tableIdentifier);
// JSONObject fieldJson = JSON.parseObject(fields);
// if (fieldJson.getString("status").equals("error")) {
// throw new SQLException(TSDBConstants.WrapErrMsg("SQL execution error: " + fieldJson.getString("desc") + "\n" + "error code: " + fieldJson.getString("code")));
// }
// fieldJsonList.add(fieldJson);
// }
// this.resultSet = new RestfulResultSet(database, this, resultJson, fieldJsonList);
// } else {
this.resultSet = new RestfulResultSet(database, this, resultJson);
// }
this.affectedRows = 0;
return resultSet;
}
......@@ -201,7 +200,7 @@ public class RestfulStatement extends AbstractStatement {
@Override
public ResultSet getResultSet() throws SQLException {
if (isClosed())
throw new SQLException(TSDBConstants.STATEMENT_CLOSED);
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
return resultSet;
}
......
src/connector/jdbc/src/test/java/com/taosdata/jdbc/rs/SQLTest.java
浏览文件 @ 179a4f55
......@@ -11,8 +11,8 @@ import java.sql.*;
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class SQLTest {
private static final String host = "127.0.0.1";
// private static final String host = "master";
// private static final String host = "127.0.0.1";
private static final String host = "master";
private static Connection connection;
@Test
......@@ -323,6 +323,18 @@ public class SQLTest {
SQLExecutor.executeQuery(connection, sql);
}
@Test
public void testCase052() {
String sql = "select server_status()";
SQLExecutor.executeQuery(connection, sql);
}
@Test
public void testCase053() {
String sql = "select avg(cpu_taosd), avg(cpu_system), max(cpu_cores), avg(mem_taosd), avg(mem_system), max(mem_total), avg(disk_used), max(disk_total), avg(band_speed), avg(io_read), avg(io_write), sum(req_http), sum(req_select), sum(req_insert) from log.dn1 where ts> now - 60m and ts<= now interval(1m) fill(value, 0)";
SQLExecutor.executeQuery(connection, sql);
}
@BeforeClass
public static void before() throws ClassNotFoundException, SQLException {
Class.forName("com.taosdata.jdbc.rs.RestfulDriver");
......
tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java
浏览文件 @ 179a4f55
......@@ -3,17 +3,15 @@ package com.taosdata.taosdemo;
import com.taosdata.taosdemo.components.DataSourceFactory;
import com.taosdata.taosdemo.components.JdbcTaosdemoConfig;
import com.taosdata.taosdemo.domain.SuperTableMeta;
import com.taosdata.taosdemo.service.*;
import com.taosdata.taosdemo.service.DatabaseService;
import com.taosdata.taosdemo.service.SqlExecuteTask;
import com.taosdata.taosdemo.service.SubTableService;
import com.taosdata.taosdemo.service.SuperTableService;
import com.taosdata.taosdemo.service.data.SuperTableMetaGenerator;
import com.taosdata.taosdemo.utils.Printer;
import org.apache.log4j.Logger;
import javax.sql.DataSource;
import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.time.Duration;
import java.time.Instant;
import java.util.Arrays;
......@@ -35,7 +33,7 @@ public class TaosDemoApplication {
// 初始化
final DataSource dataSource = DataSourceFactory.getInstance(config.host, config.port, config.user, config.password);
if (config.executeSql != null && !config.executeSql.isEmpty() && !config.executeSql.replaceAll("\\s", "").isEmpty()) {
Thread task = new Thread(new SqlExecuteor(dataSource, config.executeSql));
Thread task = new Thread(new SqlExecuteTask(dataSource, config.executeSql));
task.start();
try {
task.join();
......
tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/service/SqlExecuteor.java → tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/service/SqlExecuteTask.java
浏览文件 @ 179a4f55
......@@ -8,11 +8,11 @@ import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class SqlExecuteor implements Runnable {
public class SqlExecuteTask implements Runnable {
private final DataSource dataSource;
private final String sql;
public SqlExecuteor(DataSource dataSource, String sql) {
public SqlExecuteTask(DataSource dataSource, String sql) {
this.dataSource = dataSource;
this.sql = sql;
}
......
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或