String createSQL = ct.toString()
.replaceAll("`", “”")
//.replaceAll(“bigint (19)”,“int8”)
.replaceAll(“BIGINT UNIQUE NOT NULL AUTO_INCREMENT”, “BIGSERIAL PRIMARY KEY”)
.replaceAll(“BIGINT NULL AUTO_INCREMENT”, “BIGSERIAL PRIMARY KEY”)
.replaceAll(“BIGINT NOT NULL AUTO_INCREMENT”, “BIGSERIAL PRIMARY KEY”)
.replaceAll(“INT NOT NULL AUTO_INCREMENT”, “BIGSERIAL PRIMARY KEY”)
.replaceAll(“INT NULL AUTO_INCREMENT”, “BIGSERIAL PRIMARY KEY”)
//.replaceAll(“int8 NOT NULL AUTO_INCREMENT”, “BIGSERIAL PRIMARY KEY”)
.replaceAll(“IF NOT EXISTS”, “”)
.replaceAll(“TINYINT”, “SMALLINT”)
.replaceAll(“DATETIME”, “TIMESTAMP”)
.replaceAll(", PRIMARY KEY \(“id”\)", “”);

// 如果存在表注釋if (createSQL.contains("COMMENT")) {String substring = createSQL.substring(createSQL.indexOf("= '")+2);String commentSql = genCommentSql(table.toString(), substring);comments.add(commentSql);createSQL = createSQL.substring(0, createSQL.indexOf("COMMENT"));createSQL = createSQL.substring(0, createSQL.indexOf("ENGINE"));}System.out.println(createSQL + ";");comments.forEach(t -> System.out.println(t.replaceAll("`", "\"") + ";"));}); }

/**
* 獲得注釋的下標
*
* @param columnSpecStrings columnSpecStrings
* @return 下標
*/
private static int getCommentIndex(List columnSpecStrings) {
for (int i = 0; i < columnSpecStrings.size(); i++) {
if (“COMMENT”.equalsIgnoreCase(columnSpecStrings.get(i))) {
return i;
}
}
return -1;
}

/*** 生成COMMENT語句** @param table 表名* @param column 字段名* @param commentValue 描述文字* @return COMMENT語句*/ private static String genCommentSql(String table, String column, String commentValue) {return String.format("COMMENT ON COLUMN %s.%s IS %s", table, column, commentValue); }/*** 生成COMMENT語句** @param table 表名* @param commentValue 描述文字* @return COMMENT語句*/ private static String genCommentSql(String table, String commentValue) {return String.format("COMMENT ON TABLE %s IS %s", table, commentValue); }

}

總結

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