IF NOT EXISTS (SELECT 1 FROM sys.objects WHERE object_id = OBJECT_ID('[dbo].[sys_sql_const]') AND type = 'U')
CREATE TABLE [dbo].[sys_sql_const]
(
    [constid] int NOT NULL IDENTITY(1, 1),
    [parseid] int NULL,
    [constname] varchar(10) COLLATE Chinese_PRC_CI_AS NOT NULL,
    [constval] varchar(1000) COLLATE Chinese_PRC_CI_AS NOT NULL,
    [row] int NULL,
    [col] int NULL,
    CONSTRAINT [PK_SYS_SQL_CONST] PRIMARY KEY ([constid] ASC)
)