PostgreSQL also provides some operators that mirror the functionality of LIKE, NOT LIKE, ILIKE, NOT ILIKE, as shown in the following table: OperatorEquivalent ~~ LIKE ~~* ILIKE !~~ NOT LIKE !~~* NOT ILIKE For example, the following statement uses the ~~ operator to find a customer whose...
ctx.batch) throw new IllegalStateException("JDBCContex setting error: only supported in batch update commands!") ctx.copy( returnGeneratedKey = if (returnKey) Seq(Some(1)) else Nil ) } def setDDLCommand(_statement: String, _parameters: Any*): JDBCContext = { ctx.copy( statements = Seq...
SQL语句:statement:Seq[String]、parameters: Seq[Option[Seq[Any]]] 下面就是JDBCContext类型定义: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import java.sql.PreparedStatement import scala.collection.generic.CanBuildFrom import scalikejdbc._ object JDBCContext { type SQLTYPE = Int val SQL_SELE...
There are three types of pattern matching in PostgreSQL : LIKE operator, SIMILAR TO operator, and POSIX-style regular expressions. The LIKE expression returns true if the string matches the supplied pattern. and the NOT LIKE expression returns false if LIKE returns true. Syntax: string LIKE patte...
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PostgreSQL 14 onwards, we have an additional option: client_connection_check_interval, which can detect whether the connection to the client has gone away or not. This is most useful if a client dies during a long-running statement like those complex reporting queries from OLAP systems....
val statement: String,private[scalikejdbc] val rawParameters: Seq[Any] )(f: WrappedResultSet=>A) {...} Update功能置于下面这几个子类中: /** * SQL which execute java.sql.Statement#executeUpdate(). * * @param statement SQL template ...
SQL语句:statement:Seq[String]、parameters: Seq[Option[Seq[Any]]] 下面就是JDBCContext类型定义: import java.sql.PreparedStatement import scala.collection.generic.CanBuildFrom import scalikejdbc._objectJDBCContext { type SQLTYPE=Int val SQL_SELECT: Int=0val SQL_EXECUTE=1val SQL_UPDATE=2def return...
SelectStatement…Wherecolumn_name NOT LIKE‘X%’ Mysql Copy 这里X是任何指定的起始模式,如单个字符或更多字符,%匹配从0开始的任意数量的字符。 百分号“%”通配符可以有许多种与指定模式一起使用的方式。以下是一些示例,显示不同的NOT LIKE运算符和%。这里的X表示指定的模式: ...
The effect of the rollback is as if the statement had never been run. In PostgreSQL the transaction cannot continue when you encounter an error and the entire work done in the transaction is rolled back. Oracle or DB2 have implicit savepoint before each statement execution which allow a roll...