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Fix #79664: PDOStatement::getColumnMeta fails on empty result set

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As its name suggests, `sqlite3_data_count` returns the number of
columns in the current row of the result set; we are interested in the
number of columns regardless of the current row, so we have to use
`sqlite3_column_count` instead.
This commit is contained in:
Christoph M. Becker 2020-06-02 09:36:39 +02:00
parent 923c45bdca
commit 63bd8f38f4
3 changed files with 37 additions and 1 deletions
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2
ext/pdo_sqlite/sqlite_statement.c
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@ -337,7 +337,7 @@ static int pdo_sqlite_stmt_col_meta(pdo_stmt_t *stmt, zend_long colno, zval *ret
if (!S->stmt) {
return FAILURE;
}
if(colno >= sqlite3_data_count(S->stmt)) {
if(colno >= sqlite3_column_count(S->stmt)) {
/* error invalid column */
pdo_sqlite_error_stmt(stmt);
return FAILURE;