timoninmaxim commented on code in PR #317:
URL: https://github.com/apache/ignite-extensions/pull/317#discussion_r2274190524


##########
modules/cdc-ext/src/main/java/org/apache/ignite/cdc/postgresql/IgniteToPostgreSqlCdcApplier.java:
##########
@@ -364,27 +272,33 @@ public long applyCacheEvents(Iterator<CdcCacheEvent> 
evts, boolean createTables)
         while (evts.hasNext()) {
             evt = evts.next();
 
-            if (evt.queryEntities().size() != 1)
-                throw new IgniteException("There should be exactly 1 
QueryEntity for cacheId: " + evt.cacheId());
+            try {
+                if (evt.queryEntities().size() != 1)
+                    throw new IgniteException("There should be exactly 1 
QueryEntity for cacheId: " + evt.cacheId());

Review Comment:
   You throw it within try-catch block intenionally?



##########
modules/cdc-ext/src/main/java/org/apache/ignite/cdc/postgresql/JavaToSqlTypeMapper.java:
##########
@@ -0,0 +1,221 @@
+package org.apache.ignite.cdc.postgresql;
+
+import java.math.BigDecimal;
+import java.sql.PreparedStatement;
+import java.sql.Types;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.OffsetDateTime;
+import java.time.OffsetTime;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+import org.apache.ignite.IgniteException;
+
+import static 
org.apache.ignite.cdc.postgresql.JavaToSqlTypeMapper.JavaToSqlType.OBJECT;
+
+/** */
+class JavaToSqlTypeMapper {
+    /** */
+    private static final Map<String, JavaToSqlType> JAVA_TO_SQL_TYPE_MAP = new 
HashMap<>();
+
+    static {
+        for (JavaToSqlType type : JavaToSqlType.values())
+            JAVA_TO_SQL_TYPE_MAP.put(type.javaTypeName(), type);
+    }
+
+    /**
+     * Sets a value in the PreparedStatement at the given index using the 
appropriate setter
+     * based on the runtime type of the object.
+     * @param stmt {@link PreparedStatement}
+     * @param idx value index in {@link PreparedStatement}
+     * @param obj value
+     */
+    public void setValue(PreparedStatement stmt, int idx, Object obj) {
+        try {
+            if (obj == null) {
+                stmt.setNull(idx, Types.NULL);

Review Comment:
   replace with assert then



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