DEC-15106 fix: 改成统一在方言中实现，方便维护一点

fine-hibernate/src/main/java/com/fr/third/org/hibernate/dialect/Dialect.java

@@ -2785,17 +2785,20 @@ public abstract class Dialect implements ConversionContext {
 	}
 
 	/**
-	 * 获取主键sql字符串
+	 * 获取建表时创建约束字符串
 	 *
 	 * @param columnList 主键列集合
 	 * @return String
 	 */
-	public String getPrimaryKeyString(List<Column> columnList) { return "primary key";}
+	public String sqlConstraintString(List<Column> columnList) {
+		StringBuilder buf = new StringBuilder("primary key (");
+		for (int i = 0; i < columnList.size(); i ++) {
+			if (i != 0) {
+				buf.append(", ");
+			}
+			buf.append(columnList.get(i).getQuotedName(this));
+		}
+		return buf.append(')').toString();
+	}
 
-	/**
-	 * 获取主键sql后缀
-	 *
-	 * @return String
-	 */
-	public String getPrimaryKeyPostfix(Column column) { return "";}
 }

fine-hibernate/src/main/java/com/fr/third/org/hibernate/dialect/MySQL5Dialect.java

@@ -37,24 +37,28 @@ public class MySQL5Dialect extends MySQLDialect {
 		return false;
 	}
 
-	//utf8编码下，mysql5.7以下版本主键长度不能超过255，故特殊处理，去掉它的primary。
-	// 它默认会生成一个长度为255的前缀索引
-	@Override
-	public String getPrimaryKeyString(List<Column> columnList) {
-		for (Column column : columnList) {
-			if (column.getLength() > INDEX_LENGTH_LIMIT) {
-				return "key";
+
+    @Override
+    public String sqlConstraintString(List<Column> columnList) {
+        StringBuilder buf = new StringBuilder("key (");
+        boolean overLimit = false;
+        for (int i = 0; i < columnList.size(); i ++) {
+            if (i != 0) {
+                buf.append(", ");
+            }
+            Column column = columnList.get(i);
+            buf.append(column.getQuotedName(this));
+            if (column.getLength() > INDEX_LENGTH_LIMIT) {
+            	buf.append("(" + INDEX_LENGTH_LIMIT +  ")");
+            	overLimit = true;
 			}
+        }
+        if (!overLimit) {
+        	buf.insert(0, "primary ");
 		}
-		return "primary key";
-	}
+        return buf.append(')').toString();
+    }
 
-	// mysql有些小版本(如5.5.46)不支持创建key的同时自动创建前缀索引，此处手动指定
-    @Override
-    public String getPrimaryKeyPostfix(Column column) {
-	    int columnLength = column.getLength();
-	    return columnLength > INDEX_LENGTH_LIMIT ? "(" + INDEX_LENGTH_LIMIT + ")" : "";
-	}
 
 	public ViolatedConstraintNameExtracter getViolatedConstraintNameExtracter() {
 		return EXTRACTER;

fine-hibernate/src/main/java/com/fr/third/org/hibernate/dialect/MySQL8Dialect.java

@@ -11,11 +11,14 @@ import java.util.List;
  */
 public class MySQL8Dialect extends MySQL5Dialect {
     @Override
-    public String getPrimaryKeyString(List<Column> columnList) {
-        return "primary key";
+    public String sqlConstraintString(List<Column> columnList) {
+        StringBuilder buf = new StringBuilder("primary key (");
+        for (int i = 0; i < columnList.size(); i++) {
+            if (i != 0) {
+                buf.append(", ");
+            }
+            buf.append(columnList.get(i).getQuotedName(this));
+        }
+        return buf.append(')').toString();
     }
-
-
-    @Override
-    public String getPrimaryKeyPostfix(Column column) { return "";}
 }

fine-hibernate/src/main/java/com/fr/third/org/hibernate/mapping/PrimaryKey.java

@@ -6,7 +6,6 @@
  */
 package com.fr.third.org.hibernate.mapping;
 import java.util.Iterator;
-import java.util.List;
 
 import com.fr.third.org.hibernate.dialect.Dialect;
 import com.fr.third.org.hibernate.internal.util.StringHelper;
@@ -59,18 +58,7 @@ public class PrimaryKey extends Constraint {
 	}
 
 	public String sqlConstraintString(Dialect dialect) {
-		List<Column> columnList = getColumns();
-		StringBuilder buf = new StringBuilder(dialect.getPrimaryKeyString(columnList)).append(" (");
-		Iterator iter = getColumnIterator();
-		while ( iter.hasNext() ) {
-			Column column = (Column) iter.next();
-			buf.append( column.getQuotedName(dialect) );
-			buf.append( dialect.getPrimaryKeyPostfix(column) );
-			if ( iter.hasNext() ) {
-				buf.append(", ");
-			}
-		}
-		return buf.append(')').toString();
+		return dialect.sqlConstraintString(getColumns());
 	}
 
 	public String sqlConstraintString(Dialect dialect, String constraintName, String defaultCatalog, String defaultSchema) {