CC Interface For SQLite Version 3. Small. Fast. Reliable. Choose any three. This page is intended to be a precise and detailed specification. For a tutorial introductions, see instead. This same content is also available split out into. Experimental And Deprecated Interfaces. SQLite interfaces can be subdivided into three categories Stable. Experimental. Deprecated. Stable interfaces will be maintained indefinitely in a backwards. An application that uses only stable interfaces. Which Statement Move The File Pointer To The Last Character' title='Which Statement Move The File Pointer To The Last Character' />SQLite. Experimental interfaces are subject to change. Applications that use experimental interfaces. SQLite release, though. Which Statement Move The File Pointer To The Last Character' title='Which Statement Move The File Pointer To The Last Character' />When new interfaces are added to SQLite, they generally begin. After an interface has been in use for. Deprecated interfaces have been superceded by better methods of. Deprecated interfaces continue to be supported for the sake of. At some point in the future, it is possible. Key points Experimental interfaces are subject to change andor removal. Deprecated interfaces should not be used in new code and might. List Of Objects List Of Constants Also available list of error codes. Sass Syntactically Awesome StyleSheets Table of contents toc Sass is an extension of CSS that adds power and elegance to the basic language. It allows you to use. A glossary of terms used in the body of this dictionary. See also WiktionaryGlossary, which contains terms used elsewhere in the Wiktionary community. Freeformat layout. Freeformat an alternative to columnbased fixedformat. Must choose either free or fixed format for each source file rules differ. Warning. If the passed file pointer is not valid you may get an infinite loop, because feof fails to return TRUE. List Of Functions Note Functions marked with exp. Function Flags. define SQLITEDETERMINISTIC 0x. These constants may be ORed together with the. Virtual Table Scan Flags. SQLITEINDEXSCANUNIQUE 1 Scan visits at most 1 row. SQLITEPREPAREPERSISTENT 0x. These constants define various flags that can be passed into. Flags parameter of the sqlite. New flags may be added in future releases of SQLite. SQLITEPREPAREPERSISTENTThe SQLITEPREPAREPERSISTENT flag is a hint to the query planner. Without this flag, sqlite. Which Statement Move The File Pointer To The Last Character' title='Which Statement Move The File Pointer To The Last Character' />The current implementation acts. Future versions of. SQLite may act on this hint differently. Maximum x. Shm. Lock index. SQLITESHMNLOCK 8. The x. Shm. Lock method on sqlite. The SQLite core will never attempt to acquire or release a. Virtual Table Configuration Options. SQLITEVTABCONSTRAINTSUPPORT 1. These macros define the various options to the. SQLITEVTABCONSTRAINTSUPPORT. COBOL Programming Standards. Program Data 4. 1 Record Definitions. The DATA DIVISION of any program is a mixture of individual record names subdivided into. End advances arrays internal pointer to the last element, and returns its value. Copyright. txtThis computer source code is Copyright c2006 MindView, Inc. All Rights Reserved. Permission to use, copy, modify, and distribute this. The File System Object FSO object model provides an objectbased tool for working with folders and files. Using object. method syntax, it exposes a comprehensive. Calls of the form. SQLITEVTABCONSTRAINTSUPPORT,X are supported. X is an integer. If X is zero, then the virtual table whose. Create or x. Connect method invoked sqlite. In this configuration which is the default if. Update method returns SQLITECONSTRAINT, then the entire. OR ABORT had been. SQL statement, regardless of the actual. ON CONFLICT mode specified. If X is non zero, then the virtual table implementation guarantees. Update returns SQLITECONSTRAINT, it will do so before. If the ON CONFLICT mode is ABORT, FAIL, IGNORE or ROLLBACK, SQLite. SQL statement as appropriate. Quran Sharif In Hindi Pdf Free Download there. If the ON CONFLICT mode is REPLACE and the x. Update method returns. SQLITECONSTRAINT, SQLite handles this as if the ON CONFLICT mode. ABORT. Virtual table implementations that are required to handle OR REPLACE. Update method. If a call to the. ON. CONFLICT policy is REPLACE, the virtual table implementation should. Update callback and. SQLITEOK. Or, if this is not possible, it may return. SQLITECONSTRAINT, in which case SQLite falls back to OR ABORT. Loadable Extension Thunk. A pointer to the opaque sqlite. This. structure must be typedefed in order to work around compiler warnings. Online Backup Object. The sqlite. 3backup object records state information about an ongoing. The sqlite. 3backup object is created by. See Also Using the SQLite Online Backup APISQL Function Context Object. The context in which an SQL function executes is stored in an. A pointer to an sqlite. SQL functions. The application defined SQL function implementation will pass this. Name Of The Folder Holding Database Files. SQLITEEXTERN char qlite. If this global variable is made to point to a string which is. SQLite when using a built in windows VFS will be assumed. If this variable is a NULL. SQLite assumes that all database files specified. Only the windows VFS makes use of this global. VFS. Changing the value of this variable while a database connection is. It is not safe to read or modify this variable in more than one. It is not safe to read or modify this variable. It is intended that this variable be set once. SQLite interface. The datastoredirectory pragma may modify this variable and cause. Furthermore. the datastoredirectory pragma always assumes that any string. Hence, if this variable is modified directly, either it should be. NULL or made to point to memory obtained from sqlite. OS Interface Open File Handle. Methods Methods for an open file. An sqlite. 3file object represents an open file in the. OS interface layer. Individual OS interface. The p. Methods entry is a pointer to an. IO operations on the open file. Virtual Table Indexing Information. Constraint Number of entries in a. Constraint. struct sqlite. Column Column constrained. ROWID. unsigned char op Constraint operator. True if this constraint is usable. Term. Offset Used internally x. Best. Index should ignore. Constraint Table of WHERE clause constraints. Order. By Number of terms in the ORDER BY clause. Column Column number. True for DESC. False for ASC. Order. By The ORDER BY clause. Outputs. struct sqlite. Index if 0, constraint is part of argv to x. Filter. unsigned char omit Do not code a test for this constraint. Constraint. Usage. Num Number used to identify the index. Str String, possibly obtained from sqlite. To. Free. Idx. Str Free idx. Str using sqlite. By. Consumed True if output is already ordered. Cost Estimated cost of using this index. Fields below are only available in SQLite 3. Rows Estimated number of rows returned. Fields below are only available in SQLite 3. Flags Mask of SQLITEINDEXSCANflags. Fields below are only available in SQLite 3. Used Input Mask of columns used by statement. The sqlite. 3indexinfo structure and its substructures is used as part. Best. Index. method of a virtual table module. The fields under Inputs are the. Best. Index and are read only. Best. Index inserts its. Outputs fields. The a. Constraint array records WHERE clause constraints of the form column OP exprwhere OP is, lt, lt, or. The particular operator is. Constraint. op using one of the. SQLITEINDEXCONSTRAINT values. The index of the column is stored in. Constraint. i. Column. Constraint. usable is TRUE if the. The optimizer automatically inverts terms of the form expr OP column. WHERE clause in an attempt to. WHERE clause terms into the form shown above as possible. The a. Constraint array only reports WHERE clause terms that are. Information about the ORDER BY clause is stored in a. Order. By. Each term of a. Order. By records a column of the ORDER BY clause. The col. Used field indicates which columns of the virtual table may be. Virtual table columns are numbered from. CREATE TABLE statement. For the first 6. 3 columns columns 0 6. Used mask if the column may be. SQLite. If the table has at least 6. Used is also. set. In other words, column i. Col may be required if the expression. Used sqlite. Col 6. Col evaluates to. The x. Best. Index method must fill a. Constraint. Usage with information. Filter. If argv. Index 0 then. Constraint is evaluated. Index th entry in argv. If a. Constraint. Usage. omit. is true, then the constraint is assumed to be fully handled by the. SQLite. The idx. Num and idx. Ptr values are recorded and passed into the.