Первый

DBTools.java

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+package tools;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.jdbc.core.RowMapper;
+import tctable.Tools;
+
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class DBTools {
+
+    public static class JsonRowMapper implements RowMapper<String> {
+
+        @Override
+        public String mapRow(ResultSet rs, int rowNum) throws SQLException {
+            ObjectMapper objectMapper = new ObjectMapper();
+            Map<String, Object> resultMap = new HashMap<>();
+
+            // Получаем метаданные ResultSet для получения названий столбцов
+            int columnCount = rs.getMetaData().getColumnCount();
+            for (int i = 1; i <= columnCount; i++) {
+                String columnName = rs.getMetaData().getColumnName(i);
+                Object columnValue = rs.getObject(i);
+                resultMap.put(columnName, columnValue);
+            }
+
+            // Преобразовываем Map в JSON строку
+            try {
+                return objectMapper.writeValueAsString(resultMap);
+            } catch (Exception e) {
+                throw new RuntimeException("Failed to convert Map to JSON", e);
+            }
+        }
+
+    }
+
+    public static boolean hasColumn(ResultSet rs, String columnName) throws SQLException {
+        ResultSetMetaData metaData = rs.getMetaData();
+        int columnCount = metaData.getColumnCount();
+
+        for (int i = 1; i <= columnCount; i++) {
+            if (columnName.equalsIgnoreCase(metaData.getColumnName(i))) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static String getSQLValue(String t, String v) {
+        //if($t=='object' && (strtoupper($v)!='NULL' && gettype($v)=='string')) $t='string'; //Если id шники uuid
+
+        if (t.equals("object") || t.equals("uid")) {
+            if (v.equals(""))
+                v = "NULL";
+        } else if (t.equals("i4") || t.equals("integer")) {
+            if (v.equals(""))
+                v = "NULL";
+        } else if (t.equals("f8")) {
+            if (v.equals(""))
+                v = "NULL";
+            v = Tools.replaceAll(v,",", "."); //The decimal part: point.
+        } else if (t.equals("f4")) {
+            if (v.equals(""))
+                v = "NULL";
+            v = Tools.replaceAll(v,",", "."); //The decimal part: point.
+        } else if (t.equals("b")) {
+            if (v.equals(""))
+                v = "NULL";
+            else if (v.equals("1"))
+                v = "true";
+            else if (v.equals("0"))
+                v = "false";
+        } else if (t.equals("string") || t.equals("text") || t.equals("dateTime") || t.equals("date")) {
+            if (v.equals("")) {
+                v = "NULL";
+            } else {
+                v = Tools.replaceAll(v,"'", "''");
+                v = "'" + v + "'";
+            }
+        } else {
+            v = "'" + v + "'";
+        }
+        return v;
+    }
+
+}