feat: 支持 hive 数据源

backend/src/main/java/io/dataease/dto/datasource/HiveConfiguration.java

+package io.dataease.dto.datasource;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.apache.commons.lang3.StringUtils;
+
+@Getter
+@Setter
+public class HiveConfiguration extends JdbcConfiguration {
+
+    private String driver = "org.apache.hive.jdbc.HiveDriver";
+    private String extraParams = "";
+
+    public String getJdbc() {
+        if(StringUtils.isEmpty(extraParams.trim())){
+            return "jdbc:hive2://HOSTNAME:PORT/DATABASE"
+                    .replace("HOSTNAME", getHost().trim())
+                    .replace("PORT", getPort().toString().trim())
+                    .replace("DATABASE", getDataBase().trim());
+        }else {
+            return "jdbc:hive2://HOSTNAME:PORT/DATABASE?EXTRA_PARAMS"
+                    .replace("HOSTNAME", getHost().trim())
+                    .replace("PORT", getPort().toString().trim())
+                    .replace("DATABASE", getDataBase().trim())
+                    .replace("EXTRA_PARAMS", getExtraParams().trim());
+        }
+    }
+}
\ No newline at end of file

backend/src/main/java/io/dataease/provider/query/hive/HiveConstants.java

+package io.dataease.provider.query.hive;
+
+import io.dataease.provider.query.SQLConstants;
+
+import static io.dataease.commons.constants.DatasourceTypes.mysql;
+
+/**
+ * @Author gin
+ * @Date 2021/7/8 7:22 下午
+ */
+public class HiveConstants extends SQLConstants {
+    public static final String KEYWORD_TABLE = mysql.getKeywordPrefix() + "%s" + mysql.getKeywordSuffix();
+
+    public static final String KEYWORD_FIX = "%s." + mysql.getKeywordPrefix() + "%s" + mysql.getKeywordSuffix();
+
+    public static final String UNIX_TIMESTAMP = "unix_timestamp(%s)";
+
+    public static final String DATE_FORMAT = "DATE_FORMAT(%s,'%s')";
+
+    public static final String FROM_UNIXTIME = "FROM_UNIXTIME(%s,'%s')";
+
+    public static final String STR_TO_DATE = "STR_TO_DATE(%s,'%s')";
+
+    public static final String CAST = "CAST(%s AS %s)";
+
+    public static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
+
+    public static final String DEFAULT_INT_FORMAT = "DECIMAL(20,0)";
+
+    public static final String DEFAULT_FLOAT_FORMAT = "DECIMAL(20,2)";
+
+    public static final String WHERE_VALUE_NULL = "(NULL,'')";
+
+    public static final String WHERE_VALUE_VALUE = "'%s'";
+
+    public static final String AGG_COUNT = "COUNT(*)";
+
+    public static final String AGG_FIELD = "%s(%s)";
+
+    public static final String WHERE_BETWEEN = "'%s' AND '%s'";
+
+    public static final String BRACKETS = "(%s)";
+}