#3025 Table truncate config for different databases

Former-commit-id: 04156ded

plugins/org.jkiss.dbeaver.ext.generic/plugin.xml

@@ -128,6 +128,7 @@
                     <property id="supports-multiple-results" label="Driver supports multiple results" description="Driver supports multiple results for a single query." type="boolean" required="false" defaultValue="false"/>
                     <property id="supports-limits" label="Driver supports result set limit" description="Driver supports multiple result set limit (max rows)." type="boolean" required="false" defaultValue="true"/>
                     <property id="supports-struct-cache" label="Driver supports structure cache" description="Driver supports structure cache reading. Enables schema columns, keys, etc." type="boolean" required="false" defaultValue="true"/>
+                    <property id="supports-truncate" label="Driver supports TRUNCATE operation" description="Driver supports TRUNCATE command. It is much faster than DELETE without criteria." type="boolean" required="false" defaultValue="true"/>
                 </propertyGroup>
                 <propertyGroup label="Queries" description="Custom driver queries">
                     <property id="query-get-active-db" label="Get active database" description="Query to obtain active database name" type="string" required="false" defaultValue=""/>
@@ -563,6 +564,7 @@
                     webURL="http://www.ingres.com/products/ingres-database/"
                     description="Ingres Database">
                     <file type="jar" path="maven:/com.ingres.jdbc:iijdbc:RELEASE"/>
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
                 <driver
                     id="linter"
@@ -594,6 +596,7 @@
                     <parameter name="supports-scroll" value="true"/>
                     <parameter name="ddl-drop-column-short" value="true"/>
                     <parameter name="script-delimiter-redefiner" value="SET TERM"/>
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
                 <driver
                     id="firebird_jaybird3"
@@ -618,6 +621,7 @@
                     <parameter name="supports-scroll" value="true"/>
                     <parameter name="ddl-drop-column-short" value="true"/>
                     <parameter name="script-delimiter-redefiner" value="SET TERM"/>
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
                 <driver
                     id="sqlite_jdbc"
@@ -641,6 +645,7 @@
                     <parameter name="supports-struct-cache" value="false"/>
                     <parameter name="supports-indexes" value="true"/>
                     <parameter name="supports-stored-code" value="false"/>
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
 
                 <driver
@@ -659,6 +664,8 @@
                     <file type="jar" path="drivers/teradata/terajdbc4.jar" bundle="drivers.teradata"/>
                     <file type="jar" path="drivers/teradata/tdgssconfig.jar" bundle="drivers.teradata"/>
                     <file type="license" path="drivers/teradata/LICENSE.txt" bundle="drivers.teradata"/>
+
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
                 <driver
                     id="mysql3"
@@ -703,13 +710,16 @@
                     webURL="http://csvjdbc.sourceforge.net/"
                     embedded="true"
                     description="CsvJdbc driver for CSV and DBF files">
-                    <parameter name="supports-select-count" value="false"/>
+
                     <property name="separator" value=","/>
                     <property name="quotechar" value="&quot;"/>
                     <property name="fileExtension" value=".csv"/>
                     <property name="suppressHeaders" value="false"/>
                     <property name="charset" value="UTF-8"/>
+
+                    <parameter name="supports-select-count" value="false"/>
                     <parameter name="supports-stored-code" value="false"/>
+                    <parameter name="supports-truncate" value="false"/>
 
                     <file type="jar" path="maven:/net.sourceforge.csvjdbc:csvjdbc:RELEASE" bundle="!drivers.csvjdbc"/>
 
@@ -847,6 +857,8 @@
                     category="Hadoop">
                     <file type="jar" path="maven:/org.spark-project.hive:hive-jdbc:RELEASE"/>
                     <file type="jar" path="maven:/org.apache.hadoop:hadoop-core:RELEASE"/>
+
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
                 <driver
                     id="apache_drill"
@@ -857,6 +869,8 @@
                     webURL="http://drill.apache.org/docs/using-the-jdbc-driver/"
                     category="Hadoop">
                     <file type="jar" path="maven:/org.apache.drill.exec:drill-jdbc-all:RELEASE"/>
+
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
 
                 <!-- Cloudera -->
@@ -909,6 +923,7 @@
                     description="MACHBASE standard driver"
                     webURL="http://www.machbase.com">
                     <file type="jar" path="http://www.machbase.com/dist/machbase.jar"/>
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
 
                 <!-- Yandex ClickHouse -->
@@ -921,6 +936,8 @@
                     description="Yandex ClickHouse"
                     webURL="https://github.com/yandex/clickhouse-jdbc">
                     <file type="jar" path="maven:/ru.yandex.clickhouse:clickhouse-jdbc:RELEASE"/>
+
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
 
                 <!-- OrientDB -->
@@ -934,6 +951,8 @@
                     description="OrientDB JDBC driver"
                     webURL="https://github.com/orientechnologies/orientdb-jdbc">
                     <file type="jar" path="maven:/com.orientechnologies:orientdb-jdbc:RELEASE[1.7]"/>
+
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
 
                 <!-- Neo4j -->
@@ -947,6 +966,7 @@
                     description="Neo4j JDBC driver"
                     webURL="https://github.com/neo4j-contrib/neo4j-jdbc">
                     <file type="jar" path="maven:/org.neo4j:neo4j-jdbc-driver:RELEASE"/>
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
 
                 <!-- PrestoDB -->
@@ -997,6 +1017,7 @@
                         description="Apache SolrJ JDBC driver"
                         webURL="https://lucene.apache.org/solr/">
                     <file type="jar" path="maven:/org.apache.solr:solr-solrj:RELEASE"/>
+                    <parameter name="supports-truncate" value="false"/>
                 </driver>
 
             </drivers>

plugins/org.jkiss.dbeaver.ext.generic/src/org/jkiss/dbeaver/ext/generic/GenericConstants.java

@@ -36,6 +36,7 @@ public class GenericConstants {
     public static final String PARAM_SUPPORTS_SCROLL = "supports-scroll";
     public static final String PARAM_SUPPORTS_STRUCT_CACHE = "supports-struct-cache";
     public static final String PARAM_SUPPORTS_MULTIPLE_RESULTS = "supports-multiple-results";
+    public static final String PARAM_SUPPORTS_TRUNCATE = "supports-truncate";
     public static final String PARAM_OMIT_TYPE_CACHE = "omit-type-cache";
     public static final String PARAM_OMIT_CATALOG = "omit-catalog";
     public static final String PARAM_ALL_OBJECTS_PATTERN = "all-objects-pattern";

plugins/org.jkiss.dbeaver.ext.generic/src/org/jkiss/dbeaver/ext/generic/model/GenericTable.java

@@ -87,6 +87,13 @@ public class GenericTable extends JDBCTable<GenericDataSource, GenericStructCont
         return getContainer().getTableCache();
     }
 
+    @Override
+    protected boolean isTruncateSupported() {
+        return CommonUtils.getBoolean(
+            getDataSource().getContainer().getDriver().getDriverParameter(GenericConstants.PARAM_SUPPORTS_TRUNCATE),
+            false);
+    }
+
     @Override
     public DBSObject getParentObject()
     {

plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerTable.java

@@ -95,4 +95,8 @@ public class SQLServerTable extends GenericTable implements DBPOverloadedObject
         return ((SQLServerMetaModel)getDataSource().getMetaModel()).isSqlServer();
     }
 
+    @Override
+    protected boolean isTruncateSupported() {
+        return true;
+    }
 }

plugins/org.jkiss.dbeaver.ext.sqlite/src/org/jkiss/dbeaver/ext/sqlite/model/SQLiteTable.java

@@ -27,4 +27,9 @@ public class SQLiteTable extends GenericTable implements DBPNamedObject2 {
     public SQLiteTable(GenericStructContainer container, @Nullable String tableName, @Nullable String tableType, @Nullable JDBCResultSet dbResult) {
         super(container, tableName, tableType, dbResult);
     }
+
+    @Override
+    protected boolean isTruncateSupported() {
+        return false;
+    }
 }

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/jdbc/struct/JDBCTable.java

@@ -100,7 +100,11 @@ public abstract class JDBCTable<DATASOURCE extends DBPDataSource, CONTAINER exte
     @Override
     public int getSupportedFeatures()
     {
-        return DATA_COUNT | DATA_FILTER | DATA_SEARCH | DATA_INSERT | DATA_UPDATE | DATA_DELETE;
+        int features = DATA_COUNT | DATA_FILTER | DATA_SEARCH | DATA_INSERT | DATA_UPDATE | DATA_DELETE;
+        if (isTruncateSupported()) {
+            features |= DATA_TRUNCATE;
+        }
+        return features;
     }
 
     ////////////////////////////////////////////////////////////////////
@@ -534,7 +538,7 @@ public abstract class JDBCTable<DATASOURCE extends DBPDataSource, CONTAINER exte
     }
 
     protected boolean isTruncateSupported() {
-        return false;
+        return true;
     }
 
     protected String getTruncateTableQuery() {