August 2010
Intermediate to advanced
526 pages
23h 39m
English
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Name
sqlite3_column_type() — Get the datatype of a result column
Definition
int sqlite3_column_type( sqlite3_stmt* stmt, int cidx );
-
stmt A prepared and executed statement.
-
cidx A column index. The first column has an index of zero (
0).- Returns
The native datatype code of a result value.
Description
This function returns the initial datatype of the value in a
result column. For a given column, this value may change from
one result row to the next. If this function is used, it should
be called before any sqlite3_column_xxx() function. Once a type
conversion takes place, the result of this function is
undefined.
The return value will be SQLITE_INTEGER, SQLITE_FLOAT, SQLITE_TEXT, SQLITE_BLOB, or SQLITE_NULL.
See Also
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.