sqlite3_stmt*//SQL Statement Object>>Supported Data TypesofColumn似乎SQLite2仅仅支持TEXT类型,在SQLite3中大大丰富了。TEXTNUMERICINTEGERREALNONE>>Methods: Sqlite3有82个函数,但是常用的也就那么几个://LibraryInitialization/Shutdownintsqlite3_initialize(void);intsqlite3_shutdown(void);//DatabaseModify/Que...
1. -[VSDatabaseController runDatabaseBlockInTransaction:(VSDatabaseUpdateBlock)databaseBlock] VSDatabaseUpdateBlock很简单: 1. typedef void (^VSDatabaseUpdateBlock)(FMDatabase *database); runDatabaseBlockInTransaction也很简单: 1. - (void)runDatabaseBlockInTransaction:(VSDatabaseUpdateBlock)databas...
#define SQLITE_MISMATCH 20 /* Data type mismatch */ 1. #define SQLITE_MISUSE 21 /* Library used incorrectly */ 1. #define SQLITE_NOLFS 22 /* Uses OS features not supported on host */ 1. #define SQLITE_AUTH 23 /* Authorization denied */ 1. #define SQLITE_ROW 100 /* sqlite_step(...
Supported data types All primitive JavaScript data types ('String', 'Number', 'Boolean') and properties of type 'Date' are supported. Type safety is guaranteed, when reading properties of these types from the database (NULL values are treated as 'undefined'). Dateproperties can be mapped to...
An alternative approach utilizing WITHOUT ROWID can achieve a query time of 8ms. It is necessary to manually implement an auto-incrementing id since the AUTOINCREMENT feature is not supported by WITHOUT ROWID . WITHOUT ROWID is a beneficial solution when we want to avoid having an extra rowid ...
It has no means to return any data (such as the number of affected rows). Instead, you're encouraged 鼓励 to use insert、 update, et al, when possible. Parameters sql String: the SQL statement to be executed. Multiple statements separated by semicolons arenot supported. ...
SQLite, got something like DataTypeNotSupportedError: Data type "Object" in "Post.publishDate" is not supported by "sqlite" database. when some columns are Date or Buffer type. If I do something like@Column('datetime') or @Column('blob')...
Useful if you need to call methods that are not supported yet. constrawDb=db.getDatabaseInstance()constrawStatement=stmt.getStatementInstance() Closing the database awaitdb.close() ES6 tagged template strings This module is compatible withsql-template-strings. ...
throw new UnsupportedOperationException("No drop foreign key syntax supported by SQLiteDialect"); } @Override public String getAddForeignKeyConstraintString(String constraintName, String[] foreignKey, String referencedTable, String[] primaryKey, boolean referencesPrimaryKey) { throw new UnsupportedOperationExc...
Complete list of options supported by any importing plugin can be learned by executingSELECTimport_options('CSV'). If you'd like to provide more than one option at singleimport()call, then put each option in a new line, like this: ...