Allow to skip connection check for certain sources

Addresses #2359

src/main/java/org/ohdsi/webapi/source/Source.java

@@ -113,6 +113,10 @@ public class Source extends CommonEntity<Integer> implements Serializable {
   @Column(name = "is_cache_enabled")
   private boolean isCacheEnabled;
 
+  @Column(name = "check_connection")
+  private boolean checkConnection;
+
+
   public String getTableQualifier(DaimonType daimonType) {
 		String result = getTableQualifierOrNull(daimonType);
 		if (result == null)
@@ -251,6 +255,14 @@ public void setIsCacheEnabled(boolean isCacheEnabled) {
     this.isCacheEnabled = isCacheEnabled;
   }
 
+  public boolean isCheckConnection() {
+    return checkConnection;
+  }
+
+  public void setCheckConnection(boolean checkConnection) {
+    this.checkConnection = checkConnection;
+  }
+
   @Override
   public boolean equals(Object o) {
 

src/main/java/org/ohdsi/webapi/source/SourceService.java

@@ -104,8 +104,10 @@ public <T> Map<T, Source> getSourcesMap(SourceMapKey<T> mapKey) {
 
     public void checkConnection(Source source) {
 
-        final JdbcTemplate jdbcTemplate = getSourceJdbcTemplate(source);
-        jdbcTemplate.execute(SqlTranslate.translateSql("select 1;", source.getSourceDialect()).replaceAll(";$", ""));
+        if (source.isCheckConnection()) {
+            final JdbcTemplate jdbcTemplate = getSourceJdbcTemplate(source);
+            jdbcTemplate.execute(SqlTranslate.translateSql("select 1;", source.getSourceDialect()).replaceAll(";$", ""));
+        }
     }
 
     public Source getPrioritySourceForDaimon(SourceDaimon.DaimonType daimonType) {

src/main/resources/db/migration/postgresql/V2.15.0.20240523164700__skip_connection_check_setting.sql

@@ -0,0 +1,2 @@
+ALTER TABLE ${ohdsiSchema}.source
+  ADD COLUMN check_connection boolean not null DEFAULT true;