poltski.blogg.se - Change sqlite 3 from 2 to 3

CHANGE SQLITE 3 FROM 2 TO 3 INSTALL

CHANGE SQLITE 3 FROM 2 TO 3 INSTALL

The same steps apply to the tools offered by MSVC, just changing the commands for compilation and library creation as appropriate. Installation of SQLite If you downloaded the optional documentation, issue the following command to install the documentation into the source tree: unzip -q. If you don't want to actually create the static library but you just want to drop the sqlite3.h and sqlite3.c in your source code (something that SQLite itself suggests doing with their amalgamation files), then open sqlite3.c with your favourite editor, look for SQLITE_MAX_COLUMN and modify the value in there. According to the first page Shawn linked, in the absence of using PRAGMA tempstoredirectory or setting sqlite3tempdirectory, under Linux it should look for environment variables SQLITETMPDIR or TMPDIR. Issue this statement to create an object file and setting the desired number of columns: gcc -I. I have to do this by changing the sqlite3tempdirectory. You will see sqlite3.c and sqlite3.h among other files. Now you can link against the library when compiling your program using -lsqlite3, after having placed the library in a location that your linker is aware of (or use -L/path/to/library). Unzip and change directory inside the unzippped folder.

The Ubuntu was upgraded from 14 to 18, and sqlite was installed 3 years ago.

create a static library to link against: ar crsf libsqlite3.a sqlite3.o I followed this article (system install section) to upgrade Ubuntu 18.04 sqlite 3.13 to sqlite 3.25.

Note that, according to the comments in sqlite3.c, you shouldn't use a number greater than 32676. O3 -DSQLITE_MAX_COLUMN=5000 -c sqlite3.c -o sqlite3.o Change 5000 to the number you desire.

Issue this statement to create an object file and setting the desired number of columns: gcc -I.

Unzip and change directory inside the unzippped folder.Download amalgamation source code here.There is no other way but by setting the number of columns you want at compile time. This setting can essentially switch SQLite between its default mode of SERIALIZABLE isolation, and a dirty read.