Determine "select" statements with semantic analysis

docs/todo.txt

-Firebird, Postgre
+Detect source table for queries (Oracle, Postgresql, etc). Also fixes generate sql for queries.
 BUG: Save navigation filter and use correct nav page index
 
 BUG: open object (F4) with FQ name (schema)

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/model/DBUtils.java

@@ -38,6 +38,7 @@ import org.jkiss.dbeaver.model.runtime.DBRRunnableWithResult;
 import org.jkiss.dbeaver.model.sql.SQLDataSource;
 import org.jkiss.dbeaver.model.sql.SQLDialect;
 import org.jkiss.dbeaver.model.sql.SQLUtils;
+import org.jkiss.dbeaver.model.sql.parser.SQLSemanticProcessor;
 import org.jkiss.dbeaver.model.struct.*;
 import org.jkiss.dbeaver.model.struct.rdb.*;
 import org.jkiss.dbeaver.model.virtual.DBVEntity;
@@ -932,7 +933,7 @@ public final class DBUtils {
         long offset,
         long maxRows) throws DBCException
     {
-        final boolean dataModifyQuery = SQLUtils.isDataModifyQuery(query);
+        final boolean dataModifyQuery = !SQLSemanticProcessor.isSelectQuery(query);
         final boolean hasLimits = !dataModifyQuery && offset >= 0 && maxRows > 0;
 
         DBCQueryTransformer limitTransformer = null, fetchAllTransformer = null;

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/model/sql/parser/SQLSemanticProcessor.java

@@ -26,10 +26,13 @@ import net.sf.jsqlparser.parser.CCJSqlParserUtil;
 import net.sf.jsqlparser.schema.Column;
 import net.sf.jsqlparser.schema.Table;
 import net.sf.jsqlparser.statement.Statement;
+import net.sf.jsqlparser.statement.insert.Insert;
 import net.sf.jsqlparser.statement.select.FromItem;
 import net.sf.jsqlparser.statement.select.OrderByElement;
 import net.sf.jsqlparser.statement.select.PlainSelect;
 import net.sf.jsqlparser.statement.select.Select;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.jkiss.dbeaver.DBException;
 import org.jkiss.dbeaver.model.DBPDataSource;
 import org.jkiss.dbeaver.model.data.DBDAttributeConstraint;
@@ -48,6 +51,21 @@ public class SQLSemanticProcessor {
 
     private static final String NESTED_QUERY_AlIAS = "z_q";
 
+    static final Log log = LogFactory.getLog(SQLUtils.class);
+
+    public static boolean isSelectQuery(String query)
+    {
+        try {
+            Statement statement = CCJSqlParserUtil.parse(query);
+            return statement instanceof Select &&
+                ((Select) statement).getSelectBody() instanceof PlainSelect &&
+                ((PlainSelect) ((Select) statement).getSelectBody()).getInto() == null;
+        } catch (Exception e) {
+            log.error(e);
+            return false;
+        }
+    }
+
     public static String addFiltersToQuery(final DBPDataSource dataSource, String sqlQuery, final DBDDataFilter dataFilter) throws DBException {
         boolean supportSubqueries = dataSource instanceof SQLDataSource && ((SQLDataSource) dataSource).getSQLDialect().supportsSubqueries();
         try {