Small. Fast. Reliable.
Choose any three.
Choose any three.
const char *sqlite3_column_name(sqlite3_stmt*, int N); const void *sqlite3_column_name16(sqlite3_stmt*, int N);
R-07548-06087:[These routines return the name assigned to a particular column in the result set of a SELECT statement. ] R-17100-46000:[The sqlite3_column_name() interface returns a pointer to a zero-terminated UTF-8 string and sqlite3_column_name16() returns a pointer to a zero-terminated UTF-16 string. ] R-52669-16467:[The first parameter is the prepared statement that implements the SELECT statement. ] R-46397-11150:[The second parameter is the column number. ] R-41499-47058:[The leftmost column is number 0. ]
R-04966-20924:[The returned string pointer is valid until either the prepared statement is destroyed by sqlite3_finalize() or until the statement is automatically reprepared by the first call to sqlite3_step() for a particular run or until the next call to sqlite3_column_name() or sqlite3_column_name16() on the same column. ]
R-51001-58728:[If sqlite3_malloc() fails during the processing of either routine (for example during a conversion from UTF-8 to UTF-16) then a NULL pointer is returned. ]
R-17768-43126:[The name of a result column is the value of the "AS" clause for that column, if there is an AS clause. ] If there is no AS clause then the name of the column is unspecified and may change from one release of SQLite to the next.