Refactor, remove unused SqlReservedWords

src/main/java/io/ebeaninternal/server/deploy/parse/SqlReservedWords.java

@@ -1,79 +0,0 @@
-package io.ebeaninternal.server.deploy.parse;
-
-import java.util.HashSet;
-
-/**
- * Keywords deemed inappropriate for use as table alias' column or table name.
- * <p>
- * That is, they might cause sql syntax errors if used.
- * </p>
- */
-public class SqlReservedWords {
-
-  private static final String baseKeyWords =
-    "ALIAS,ALTER,ADD,ALL,ARE,AND,ANY,ARRAY"
-      + ",AS,ASC,AT"
-      + ",AVG,BEGIN,BETWEEN,BIGINT,BINARY,BIT,BIT_LENGTH,BLOB,BOOLEAN"
-      + ",BOTH,BY,CALL,CALLED,CASCADE,CASCADED,CASE,CAST,CATALOG,CHAR"
-      + ",CHARACTER,CHECK,CLOB,CLOSE,COALESCE,COLLATE"
-      + ",COLLATION,COLUMN,COMMIT,CONDITION,CONNECT,CONNECTION,CONSTRAINT"
-      + ",CONSTRAINTS,CONSTRUCTOR,CONTAINS,CONTINUE,CONVERT"
-      + ",COUNT,CREATE,CROSS,CURRENT_DATE"
-      + ",CURRENT_PATH,CURRENT_ROLE,CURRENT_TIME,CURRENT_TIMESTAMP"
-      + ",CURRENT_USER,CURSOR,DATE"
-      + ",DAY,DEC,DECIMAL,DECLARE,DEFAULT,DELETE"
-      + ",DESC"
-      + ",DISTINCT,DO,DOUBLE,DROP,ELSE,ELSEIF,END,EQUALS"
-      + ",EXEC,EXIT,EXISTS,EXTRACT"
-      + ",FLOAT,FROM,FOR,FREE"
-      + ",GET,GLOBAL,GO,GOTO,GRANT,GROUP,HAVING,HOUR"
-      + ",IF,IN,INNER,INOUT,INSERT"
-      + ",INT,INTEGER,INTO,IS,JOIN"
-      + ",LAST,LIKE,LIMIT"
-      + ",MAX,MIN"
-      + ",NCHAR,NCLOB,NOT"
-      + ",NULL,NULLIF,NUMERIC,"
-      + ",OR,ORDER,OUTER"
-      + ",REAL,REF,REFERENCES"
-      + ",RETURN,RETURNS"
-      + ",SELECT,SSL"
-      + ",SMALLINT,"
-      + ",SYSTEM,SYSTEM_USER,TABLE"
-      + ",TO"
-      + ",TRIGGER,UNION,UNIQUE"
-      + ",UPDATE,USER,VARCHAR,VIEW,WHEN"
-      + ",WHERE,WITH";
-
-
-  private static final HashSet<String> keywords = new HashSet<>();
-
-  static {
-
-    String[] initialKeywords = baseKeyWords.split(",");
-    for (String initialKeyword : initialKeywords) {
-      keywords.add(initialKeyword.trim());
-    }
-
-  }
-
-
-  /**
-   * Return true if the tableAlias is a keyword.
-   */
-  public static synchronized boolean isKeyword(String keyword) {
-    String s = keyword.trim().toUpperCase();
-    return keywords.contains(s);
-  }
-
-  /**
-   * Add a sql keyword to the known set.
-   */
-  public static synchronized void addKeyword(String keyword) {
-    if (keyword != null) {
-      keyword = keyword.trim().toUpperCase();
-      if (!keyword.isEmpty()) {
-        keywords.add(keyword);
-      }
-    }
-  }
-}