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Overview
Comment:Improved documentation of the sqlite3_column_count() and sqlite3_data_count() interfaces.
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SHA1: 0593373d4bf4f3451b41810513fd12cd8ebd0395
User & Date: drh 2010-09-03 12:05:12.000
Context
2010-09-03
18:50
Documentation enhancements for sqlite3_db_status(). Evidence marks on the SQL function call intrface. (check-in: f06c7b1973 user: drh tags: trunk)
12:05
Improved documentation of the sqlite3_column_count() and sqlite3_data_count() interfaces. (check-in: 0593373d4b user: drh tags: trunk)
10:58
Add a few more subquery tests to e_expr.test. (check-in: 189cba0072 user: dan tags: trunk)
Changes
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/*
** CAPI3REF: Number Of Columns In A Result Set
**
** ^Return the number of columns in the result set returned by the
** [prepared statement]. ^This routine returns 0 if pStmt is an SQL
** statement that does not return data (for example an [UPDATE]).
**
** See also: [sqlite3_data_count()]
*/
int sqlite3_column_count(sqlite3_stmt *pStmt);

/*
** CAPI3REF: Column Names In A Result Set
**
** ^These routines return the name assigned to a particular column
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** by sqlite3_step().  The use of the "v2" interface is recommended.
*/
int sqlite3_step(sqlite3_stmt*);

/*
** CAPI3REF: Number of columns in a result set
**
** ^The sqlite3_data_count(P) the number of columns in the
** of the result set of [prepared statement] P.
** ^The sqlite3_data_count(P) interface returns the number of columns in the
** current row of the result set of [prepared statement] P.
** ^If prepared statement P does not have results ready to return
** (via calls to the [sqlite3_column_int | sqlite3_column_*()] of
** interfaces) then sqlite3_data_count(P) returns 0.
** ^The sqlite3_data_count(P) routine also returns 0 if P is a NULL pointer.
**
** See also: [sqlite3_column_count()]
*/
int sqlite3_data_count(sqlite3_stmt *pStmt);

/*
** CAPI3REF: Fundamental Datatypes
** KEYWORDS: SQLITE_TEXT
**
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