maksaska commented on code in PR #317:
URL: https://github.com/apache/ignite-extensions/pull/317#discussion_r2255268647


##########
modules/cdc-ext/src/main/java/org/apache/ignite/cdc/postgresql/JavaToSqlTypeMapper.java:
##########
@@ -0,0 +1,264 @@
+package org.apache.ignite.cdc.postgresql;
+
+import java.math.BigDecimal;
+import java.sql.PreparedStatement;
+import java.sql.Types;
+import java.time.Duration;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.OffsetDateTime;
+import java.time.OffsetTime;
+import java.time.Period;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.internal.util.lang.RunnableX;
+
+/** */
+public class JavaToSqlTypeMapper {
+    /** */
+    private static final int NO_SQL_TYPE = -1;
+
+    /** */
+    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 setEventFieldValue(PreparedStatement stmt, Integer idx, Object 
obj) {
+        if (obj == null) {
+            setSafe(() -> stmt.setNull(idx, Types.NULL));
+
+            return;
+        }
+
+        int types = JAVA_TO_SQL_TYPE_MAP.get(obj.getClass().getName()).types();
+
+        if (types != -1)
+            setSafe(() -> stmt.setObject(idx, obj, types));
+        else if (obj instanceof Duration) {
+            Duration dur = (Duration)obj;
+
+            BigDecimal durVal = 
BigDecimal.valueOf(dur.getSeconds()).add(BigDecimal.valueOf(dur.getNano(), 9));
+
+            setSafe(() -> stmt.setBigDecimal(idx, durVal));
+        }
+        else if (obj instanceof byte[])
+            setSafe(() -> stmt.setBytes(idx, (byte[])obj));
+        else
+            setSafe(() -> stmt.setObject(idx, obj));
+    }
+
+    /**
+     * Renders the SQL type for a given Java class name, including both 
precision and scale if supported.
+     *
+     * @param clsName  The fully qualified Java class name (e.g., {@code 
java.math.BigDecimal}).
+     * @param precision The numeric precision to include in the SQL type 
declaration.
+     * @param scale     The numeric scale to include in the SQL type 
declaration.
+     * @return A SQL type string (e.g., {@code DECIMAL (10, 2)}) corresponding 
to the given class and numeric metadata.
+     *         If the SQL type does not support scale, {@link 
#renderSqlType(String, int)} is used instead.
+     */
+    public String renderSqlType(String clsName, int precision, int scale) {
+        JavaToSqlType type = JAVA_TO_SQL_TYPE_MAP.get(clsName);
+
+        if (!type.scale())
+            return renderSqlType(clsName, precision);
+
+        return type.sqlType().replace("?", String.format("(%d, %d)", 
precision, scale));
+    }
+
+    /**
+     * Renders the SQL type for a given Java class name, including precision 
if supported.
+     *
+     * @param clsName   The fully qualified Java class name (e.g., {@code 
java.lang.String}).
+     * @param precision The numeric precision or length to include in the SQL 
type declaration.
+     * @return A SQL type string (e.g., {@code VARCHAR (255)}) corresponding 
to the given class and precision.
+     *         If the SQL type does not support precision, {@link 
#renderSqlType(String)} is used instead.
+     */
+    public String renderSqlType(String clsName, int precision) {
+        JavaToSqlType type = JAVA_TO_SQL_TYPE_MAP.get(clsName);
+
+        if (!type.precision())
+            return renderSqlType(clsName);
+
+        return type.sqlType().replace("?", String.format("(%d)", precision));
+    }
+
+    /**
+     * Renders the SQL type for a given Java class name without any precision 
or scale.
+     *
+     * @param clsName The fully qualified Java class name (e.g., {@code 
java.lang.Integer}).
+     * @return A SQL type string (e.g., {@code INTEGER}, {@code VARCHAR}, or 
{@code DECIMAL}) with or without
+     * placeholders removed. If the mapped SQL type includes a precision 
placeholder, it will be removed.
+     */
+    public String renderSqlType(String clsName) {
+        JavaToSqlType type = JAVA_TO_SQL_TYPE_MAP.get(clsName);
+
+        if (type.precision())
+            return type.sqlType().replace("?", "");
+
+        return type.sqlType();
+    }
+
+    /**
+     * Executes the given operation that may throw an exception, converting 
any thrown {@link Throwable}
+     * into an {@link IgniteException}.
+     *
+     * @param op the operation to execute, represented as a {@link RunnableX}.
+     * @throws IgniteException if the operation throws any exception.
+     */
+    private void setSafe(RunnableX op) {

Review Comment:
   Fixed



##########
modules/cdc-ext/src/main/java/org/apache/ignite/cdc/postgresql/JavaToSqlTypeMapper.java:
##########
@@ -0,0 +1,264 @@
+package org.apache.ignite.cdc.postgresql;
+
+import java.math.BigDecimal;
+import java.sql.PreparedStatement;
+import java.sql.Types;
+import java.time.Duration;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.OffsetDateTime;
+import java.time.OffsetTime;
+import java.time.Period;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.internal.util.lang.RunnableX;
+
+/** */
+public class JavaToSqlTypeMapper {
+    /** */
+    private static final int NO_SQL_TYPE = -1;
+
+    /** */
+    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 setEventFieldValue(PreparedStatement stmt, Integer idx, Object 
obj) {

Review Comment:
   fixed



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