Boolean 数据类型 Date 与 Time 数据类型 SQLite运算符 SQLite算数运算符 SQLite比较运算符 SQLite逻辑运算符 SQLite位运算 SQLite表达式 SQLite日期表达式 SQLite约束 NOT NULL 约束 DEFAULT 约束 UNIQUE 约束 PRIMARY Key 约束 CHECK 约束 删除约束 SQLite命令 DDL – 数据定义语言 DML – 数据操作语言 DQL – 数据查...
SQLite没有单独的BOOLEAN存储类。然而,BOOLEAN值被存储为INTEGERS,其值为0(为假)或1(为真)。 存储SQLite的日期和时间: 你可以使用以下数据类型之一在SQLite中声明日期或日期时间: DATE DATETIME TIMESTAMP TIME 注意,在SQLite中没有单独的DATE或DATETIME存储类。相反,任何用前述数据类型之一声明的值都会根据插入值的...
The purpose of the likelihood(X,Y) function is to provide a hint to the query planner that the argument X is a boolean that is true with a probability of approximately Y. The unlikely(X) function is short-hand for likelihood(X,0.0625). load_extension(X) load_extension(X,Y) 尝试加载一...
#import#import/** *sql数据库支持的类型宏定义 */#define YHBASE_SQL_DATATYPE_SMALLINT @"smallint" //short#define YHBASE_SQL_DATATYPE_INTRGER @"integer" //int#define YHBASE_SQL_DATATYPE_REAL @"real" //实数#define YHBASE_SQL_DATATYPE_FLOAT @"float" //float#define YHBASE_SQL_DATATYPE...
setBoolean(pos, ((Boolean) value).booleanValue()); } else if (value instanceof byte[]) { batch(pos, value); } else if (value instanceof BigDecimal) { setBigDecimal(pos, (BigDecimal)value); } else { batch(pos, value.toString()); ...
fillWindowForwardOnly Boolean if true, rows will be fetched starting from requested position up to the window's capacity. Default value is false. Attributes RegisterAttribute Remarks Controls fetching of rows relative to requested position. Calling this method defines how rows will be loaded, but...
* This property controls the default auto-commit behavior of connections returned from the pool. It is a boolean value. Default: true */ private Boolean autoCommit; /** * [常用]当默认30秒在连接池内还没有拿到可用的链接,会报错 1 * This property controls the maximum number of milliseconds tha...
Booleanproperties can either be mapped to 'TEXT' or to 'INTEGER' (default). On storing a boolean valuefalsewill be converted to '0' andtruewill be converted to '1', on reading '0' or 'false' will be converted tofalseand '1' or 'true' will be converted totrue. All other values ...
// 获取总的数据项数intgetCount();// 判断是否第一条记录booleanisFirst();// 判断是否最后一条记录booleanisLast();// 移动到第一条记录booleanmoveToFirst();// 移动到最后一条记录booleanmoveToLast();// 移动到指定记录booleanmove(intvar1);// 移动到下一条记录booleanmoveToNext();// 移动到上一条...
: boolean/*** Migrations table name. Default is 'migrations'*/table?: string/*** Path to the migrations folder. Default is `path.join(process.cwd(), 'migrations')`*/migrationsPath?:string}) Typescript tricks Import interfaces from sqlite...