[Feature][Jdbc] Add String type column split Support by charset-based splitting algorithm

Author: chenhongyu05

seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/config/JdbcSourceConfig.java

@@ -47,7 +47,7 @@ public class JdbcSourceConfig implements Serializable {
 
     private StringSplitMode stringSplitMode;
 
-    private String collate;
+    private String stringSplitModeCollate;
 
     public static JdbcSourceConfig of(ReadonlyConfig config) {
         JdbcSourceConfig.Builder builder = JdbcSourceConfig.builder();
@@ -61,7 +61,7 @@ public static JdbcSourceConfig of(ReadonlyConfig config) {
                         && config.getOptional(JdbcOptions.PARTITION_COLUMN).isPresent();
         builder.useDynamicSplitter(!isOldVersion);
         builder.stringSplitMode(config.get(JdbcOptions.STRING_SPLIT_MODE));
-        builder.collate(config.get(JdbcOptions.STRING_SPLIT_MODE_COLLATE));
+        builder.stringSplitModeCollate(config.get(JdbcOptions.STRING_SPLIT_MODE_COLLATE));
         builder.splitSize(config.get(JdbcSourceOptions.SPLIT_SIZE));
         builder.splitEvenDistributionFactorUpperBound(
                 config.get(JdbcSourceOptions.SPLIT_EVEN_DISTRIBUTION_FACTOR_UPPER_BOUND));

seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/source/DynamicChunkSplitter.java

@@ -154,7 +154,7 @@ private List<ChunkRange> charsetBasedColumnSplitChunks(
         boolean paddingAtEnd = true;
         boolean isCaseInsensitive = false;
         String collationSequence =
-                jdbcDialect.getCollationSequence(getOrEstablishConnection(), config.getCollate());
+                jdbcDialect.getCollationSequence(getOrEstablishConnection(), config.getStringSplitModeCollate());
         if (collationSequence.matches(".*[aA][Aa].*")) {
             isCaseInsensitive = true;
             collationSequence = filterOutUppercase(collationSequence);

seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/source/FixedChunkSplitter.java

@@ -102,7 +102,7 @@ private Collection<JdbcSourceSplit> getJdbcSourceStringSplits(
         boolean paddingAtEnd = true;
         boolean isCaseInsensitive = false;
         String collationSequence =
-                jdbcDialect.getCollationSequence(getOrEstablishConnection(), config.getCollate());
+                jdbcDialect.getCollationSequence(getOrEstablishConnection(), config.getStringSplitModeCollate());
         if (collationSequence.matches(".*[aA][Aa].*")) {
             isCaseInsensitive = true;
             collationSequence = filterOutUppercase(collationSequence);