新增获取表是否存在于数据库状态标识

hutool-db/src/main/java/cn/hutool/db/meta/MetaUtil.java

@@ -229,6 +229,7 @@ public class MetaUtil {
 				if (null != rs) {
 					if (rs.next()) {
 						table.setComment(rs.getString("REMARKS"));
+						table.setExists(true);
 					}
 				}
 			}

hutool-db/src/main/java/cn/hutool/db/meta/Table.java

@@ -45,6 +45,11 @@ public class Table implements Serializable, Cloneable {
 	 */
 	private final Map<String, Column> columns = new LinkedHashMap<>();
 
+	/**
+	 * 表是否存在
+	 */
+	private Boolean exists;
+
 	public static Table create(String tableName) {
 		return new Table(tableName);
 	}
@@ -58,6 +63,7 @@ public class Table implements Serializable, Cloneable {
 	 */
 	public Table(String tableName) {
 		this.setTableName(tableName);
+		this.setExists(false);
 	}
 	// ----------------------------------------------------- Constructor end
 
@@ -173,6 +179,27 @@ public class Table implements Serializable, Cloneable {
 	public void setPkNames(Set<String> pkNames) {
 		this.pkNames = pkNames;
 	}
+
+	/**
+	 * 获取表是否存在
+	 *
+	 * @return 表是否存在
+	 */
+	public Boolean isExists() {
+		return exists;
+	}
+
+	/**
+	 * 设置表是否存在
+	 *
+	 * @param exists 表是否存在
+	 * @return this
+	 */
+	public Table setExists(Boolean exists) {
+		this.exists = exists;
+		return this;
+	}
+
 	// ----------------------------------------------------- Getters and Setters end
 
 	/**